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", 0x1000}, {&(0x7f00000003c0)="da58ab23", 0x4}, {&(0x7f0000002900)="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", 0x10e}, {&(0x7f0000000500)="554e2ea1b8577d26ba1ec49b2eb16f40515a6f22ae93d7bf387cfc6bb256d7e73f8eb9d754cbebbac1a8a28796dcc6d46922748c5e772bd0ec0ed5d07e57dc53bfcdf0e6355dc0cd7d9638b7b8e37fdd3ff6bece8a546b4ff9c5a150f9fd401a20723bb06cbd49439e8199d7f95b2d1db7e5a12f0fdf4712db2dd0087f1e53e702a52b2fa7ea780fa57e082935d45750269297bc06e83e1f9c069c26cb17412d7d42888a9525a5a38f83bfee9af26ea1aab06c8a74f31c77683a69853c779e7c852020882a8d0d2398f5afaa7cfe21e3549625023eba9804451d", 0xda}], 0x7}}], 0x2, 0x24008000) [ 220.594204][T14973] loop1: detected capacity change from 0 to 127 [ 220.604886][T14972] loop4: detected capacity change from 0 to 4096 [ 220.605533][T14971] FAT-fs (loop5): bogus number of reserved sectors [ 220.614000][T14970] VFS: unable to find oldfs superblock on device loop2 [ 220.621117][T14973] FAT-fs (loop1): bogus number of reserved sectors [ 220.624879][T14974] loop0: detected capacity change from 0 to 4096 [ 220.640759][T14974] EXT4-fs (loop0): unsupported descriptor size 0 [ 220.641638][T14971] FAT-fs (loop5): Can't find a valid FAT filesystem [ 220.648042][T14973] FAT-fs (loop1): Can't find a valid FAT filesystem [ 220.667229][T14972] EXT4-fs (loop4): ext4_check_descriptors: Checksum for group 0 failed (33325!=0) [ 220.676667][T14972] EXT4-fs (loop4): group descriptors corrupted! 20:55:12 executing program 0: pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0), 0x0, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 220.716771][T14970] loop2: detected capacity change from 0 to 512 [ 220.723157][T14973] loop1: detected capacity change from 0 to 127 [ 220.754836][T14973] FAT-fs (loop1): bogus number of reserved sectors 20:55:12 executing program 4: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f00030004000000000000000000", 0x1c, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 220.764952][T14971] FAT-fs (loop5): bogus number of reserved sectors [ 220.778188][T14971] FAT-fs (loop5): Can't find a valid FAT filesystem 20:55:12 executing program 2: pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {0x0, 0x0, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 220.814387][T14973] FAT-fs (loop1): Can't find a valid FAT filesystem [ 220.828329][T15002] loop4: detected capacity change from 0 to 4096 [ 220.847785][T15004] loop0: detected capacity change from 0 to 4096 [ 220.848641][T15002] EXT4-fs (loop4): ext4_check_descriptors: Checksum for group 0 failed (33325!=0) 20:55:12 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0xa, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:55:12 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x80000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 220.864834][T15004] EXT4-fs (loop0): unsupported descriptor size 0 [ 220.865004][T15002] EXT4-fs (loop4): group descriptors corrupted! [ 220.885656][T15010] loop2: detected capacity change from 0 to 4096 20:55:12 executing program 4: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f00", 0x1e, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:55:12 executing program 0: pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0), 0x0, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 220.956336][T15010] EXT4-fs (loop2): unsupported descriptor size 0 [ 221.010002][T15017] FAT-fs (loop5): bogus number of reserved sectors [ 221.016595][ T9516] usb 4-1: new high-speed USB device number 42 using dummy_hcd [ 221.045232][T15027] loop1: detected capacity change from 0 to 1024 [ 221.046842][T15017] FAT-fs (loop5): Can't find a valid FAT filesystem 20:55:12 executing program 2: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x7, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 221.054537][T15027] FAT-fs (loop1): bogus number of reserved sectors [ 221.065110][T15027] FAT-fs (loop1): Can't find a valid FAT filesystem [ 221.079346][T15029] loop4: detected capacity change from 0 to 4096 [ 221.136246][T15027] loop1: detected capacity change from 0 to 1024 [ 221.144807][T15017] FAT-fs (loop5): bogus number of reserved sectors [ 221.144917][T15029] EXT4-fs (loop4): ext4_check_descriptors: Checksum for group 0 failed (26926!=0) [ 221.152766][T15017] FAT-fs (loop5): Can't find a valid FAT filesystem [ 221.161134][T15026] loop0: detected capacity change from 0 to 4096 [ 221.176318][T15027] FAT-fs (loop1): bogus number of reserved sectors 20:55:12 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0xb, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:55:12 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x80040, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:55:12 executing program 2: pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x3, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 221.186155][T15036] FAT-fs (loop2): bogus number of reserved sectors [ 221.194318][T15036] FAT-fs (loop2): Can't find a valid FAT filesystem [ 221.201565][T15027] FAT-fs (loop1): Can't find a valid FAT filesystem [ 221.209416][T15026] EXT4-fs (loop0): unsupported descriptor size 0 [ 221.210684][T15029] EXT4-fs (loop4): group descriptors corrupted! [ 221.286635][ T9516] usb 4-1: Using ep0 maxpacket: 8 [ 221.325356][T15055] loop2: detected capacity change from 0 to 4096 [ 221.337953][T15055] EXT4-fs (loop2): unsupported descriptor size 0 [ 221.347384][T15059] FAT-fs (loop5): bogus number of reserved sectors [ 221.353992][T15059] FAT-fs (loop5): Can't find a valid FAT filesystem [ 221.396209][T15059] FAT-fs (loop5): bogus number of reserved sectors [ 221.403046][T15059] FAT-fs (loop5): Can't find a valid FAT filesystem [ 221.426750][ T9516] usb 4-1: New USB device found, idVendor=0c72, idProduct=000d, bcdDevice=9b.c9 [ 221.435807][ T9516] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 221.445453][ T9516] usb 4-1: config 0 descriptor?? [ 221.926606][ T9516] peak_usb 4-1:0.0 can0: unable to request usb[type=0 value=0] err=-71 [ 221.926633][ T9516] peak_usb 4-1:0.0: unable to read PCAN-USB Pro bootloader info (err -71) [ 221.966759][ T9516] peak_usb: probe of 4-1:0.0 failed with error -71 [ 221.979265][ T9516] usb 4-1: USB disconnect, device number 42 20:55:13 executing program 0: pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0), 0x0, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:55:13 executing program 4: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f00", 0x1e, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:55:13 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x200000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:55:13 executing program 2: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x2000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:55:13 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0xc, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:55:13 executing program 3: openat(0xffffffffffffffff, 0x0, 0x0, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000001240)={&(0x7f0000000200)=@newlink={0x3c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_MTU={0x8, 0x4, 0x10001}, @IFLA_IFNAME={0x14, 0x3, 'ip6gretap0\x00'}]}, 0x3c}}, 0x0) vmsplice(r0, &(0x7f0000000480)=[{&(0x7f00000000c0)="c5ca9dab122b5210ae76d5dd352eb8ed0f599318e194e48db422bb9149f5922c896cd37740f48d874880eb105f4eaca8e0cbf500e7ef3ed79b19d9187dae9311573f8f792bf33f242c1f86f2a190f25627be21cae5972a6b1a4b8e857280fe890fbb95896c0f28b65ecf6099bd7be5a4e87cdecf825a1405199eaebf7cd7871e31db306f9fe8195d47a8e834e77c04b482c2739f2b5722221f22951edf6c5cd71f6408a37be631cca534da9f329385c63c9def5142fd53d5e9578d1c9e4707860191355324f7c1399eb16b359df59ef471fc57e9559367e3b45ec7374310b47744d793e4bb2226019d332ce38437ffb9657bdd47d5", 0xf5}, {&(0x7f0000000000)="28a32488520e28dcc8c211bcb319ff3e9edb9f88b6bf02d85ee5ac87de89a16ae3905361eab6f8e0cc35475cbebcefcc2d0bdf1f2f3388393aca55955eadb5ad2299e8e64c3902", 0x47}, {&(0x7f00000001c0)="ac61b9609b0578c26a16ae7aaaa1bec045ca505ff772e7a924a0ac6efcccfca0c5dfc759e27a408dc5a49ef9b228076c84e2273f34786bd52401b3907e75109944dedfb47164147b568221ecf17f864f61aef7d6d0266f7149352963c0b9d147a57ce8f3f587261ddee1d0e00520c06cf888005791789450b4a003485203667c2a21beef332a1008fe7b5be46110e7669278c22e135a8f8eecec0df4edafca38cee5c2158e1b4759f75d158797472a5989fa52a092d939cdc88869a1fb79cb1b0c660aa0ae523c28c408919a6df083b80772f03682b185d62b65f56dfb57183faccff94254ba2be421d8e9c7846e1a1e65e3", 0xf2}, {&(0x7f00000002c0)="a43e676bfa619ee1bc1ebaa35acf11677522fab002cf06b725f4d2e9262d83e8928fab032edf6a6f706b5b6c57f5a370a5e9bd8759ce655c0b258fb8a774ace7969cfc1f0f9931253b95dbe4c4d6b4c67df856e5844f5f385f4106992bcd1d8c0d7eed93d430b4fd48be15c88ca137fbfc46f564ebc51cbae778f3118b13125e10d2b5a35162ce6a15dc55f56497280ef048f5ea721ce8ec3b80454bad7bd2f44cc9bec87b52e30392eb18d53160dc8b5b0377c3d46812a870723ed8fa3ce537ae3ddd78", 0xc4}, {&(0x7f00000003c0)="5eb6ab32fc04e0836d380e146dfb1bee683816ba6c4f645e7598aac945634f99206e81b90b2c6ab16f2062f00cc95a93626d536f29016260260918f31c64e89d3ec845ae022105caf362d86a4bf03260584637fc02786636588f1846830210f7e27fe7068f9d3f2dc2866e2e34baeee243", 0x71}, {&(0x7f0000000440)="e34ae1960d53363c1e7110c74528406dec7763647814a27c", 0x18}], 0x6, 0x1) r1 = syz_usb_connect(0x0, 0x24, &(0x7f0000000080)={{0x12, 0x1, 0x0, 0xf6, 0xbe, 0xd8, 0x8, 0xc72, 0xd, 0x9bc9, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x9b, 0x10, 0x39}}]}}]}}, 0x0) syz_usb_control_io(r1, 0x0, &(0x7f0000000840)={0x44, &(0x7f0000000000)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) [ 222.478795][T15108] loop2: detected capacity change from 0 to 16 [ 222.485810][T15109] loop4: detected capacity change from 0 to 4096 [ 222.488394][T15108] FAT-fs (loop2): bogus number of reserved sectors [ 222.492660][T15114] loop1: detected capacity change from 0 to 4096 [ 222.506845][T15107] loop0: detected capacity change from 0 to 4096 [ 222.516364][T15112] FAT-fs (loop5): bogus number of reserved sectors [ 222.530590][T15109] EXT4-fs (loop4): ext4_check_descriptors: Checksum for group 0 failed (26926!=0) [ 222.544164][T15108] FAT-fs (loop2): Can't find a valid FAT filesystem [ 222.552270][T15107] EXT4-fs (loop0): unsupported descriptor size 0 [ 222.560346][T15114] FAT-fs (loop1): bogus number of reserved sectors [ 222.567269][T15112] FAT-fs (loop5): Can't find a valid FAT filesystem [ 222.590763][T15114] FAT-fs (loop1): Can't find a valid FAT filesystem [ 222.603185][T15109] EXT4-fs (loop4): group descriptors corrupted! 20:55:14 executing program 0: pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724", 0x10, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:55:14 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0xd, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:55:14 executing program 2 (fault-call:4 fault-nth:0): r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) 20:55:14 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x1000000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:55:14 executing program 4: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f00", 0x1e, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 222.764227][T15139] loop0: detected capacity change from 0 to 4096 [ 222.776516][T15139] EXT4-fs (loop0): unsupported descriptor size 0 [ 222.783434][T15147] loop4: detected capacity change from 0 to 4096 [ 222.785219][T15146] loop1: detected capacity change from 0 to 32768 [ 222.798473][T15144] FAT-fs (loop5): bogus number of reserved sectors [ 222.801223][T15146] FAT-fs (loop1): bogus number of reserved sectors 20:55:14 executing program 0: pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724", 0x10, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 222.812673][T15142] VFS: unable to find oldfs superblock on device loop2 [ 222.812899][T15146] FAT-fs (loop1): Can't find a valid FAT filesystem [ 222.820674][T15144] FAT-fs (loop5): Can't find a valid FAT filesystem [ 222.827547][T15147] EXT4-fs (loop4): ext4_check_descriptors: Checksum for group 0 failed (26926!=0) [ 222.842080][T15147] EXT4-fs (loop4): group descriptors corrupted! [ 222.865967][T15158] FAULT_INJECTION: forcing a failure. [ 222.865967][T15158] name failslab, interval 1, probability 0, space 0, times 0 [ 222.883053][T15158] CPU: 0 PID: 15158 Comm: syz-executor.2 Not tainted 5.12.0-rc5-syzkaller #0 [ 222.891837][T15158] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 222.901886][T15158] Call Trace: [ 222.905160][T15158] dump_stack+0x137/0x19d [ 222.909509][T15158] should_fail+0x23c/0x250 [ 222.913920][T15158] __should_failslab+0x81/0x90 [ 222.918678][T15158] ? __se_sys_memfd_create+0xfb/0x390 [ 222.924105][T15158] should_failslab+0x5/0x20 [ 222.928670][T15158] __kmalloc+0x66/0x380 [ 222.932820][T15158] ? strnlen_user+0x137/0x1c0 [ 222.937505][T15158] __se_sys_memfd_create+0xfb/0x390 [ 222.942714][T15158] __x64_sys_memfd_create+0x2d/0x40 [ 222.947906][T15158] do_syscall_64+0x39/0x80 [ 222.952342][T15158] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 222.958256][T15158] RIP: 0033:0x466459 [ 222.962161][T15158] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 222.981965][T15158] RSP: 002b:00007fd568890f48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f [ 222.990435][T15158] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000466459 [ 222.998424][T15158] RDX: 0000000000000800 RSI: 0000000000000000 RDI: 00000000004beba8 [ 223.006389][T15158] RBP: 0000000000000001 R08: 0000000000000400 R09: ffffffffffffffff [ 223.014502][T15158] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000008100000 [ 223.022466][T15158] R13: 0000000020000100 R14: 0000000000040000 R15: 0000000020013800 [ 223.036627][ T9516] usb 4-1: new high-speed USB device number 43 using dummy_hcd [ 223.066175][T15144] FAT-fs (loop5): bogus number of reserved sectors [ 223.075215][T15146] loop1: detected capacity change from 0 to 32768 [ 223.082809][T15144] FAT-fs (loop5): Can't find a valid FAT filesystem [ 223.092186][T15166] loop0: detected capacity change from 0 to 4096 [ 223.093163][T15146] FAT-fs (loop1): bogus number of reserved sectors [ 223.105242][T15146] FAT-fs (loop1): Can't find a valid FAT filesystem 20:55:14 executing program 4: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e", 0x1f, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:55:14 executing program 2 (fault-call:4 fault-nth:1): r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) 20:55:14 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0xe, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 223.115617][T15166] EXT4-fs (loop0): unsupported descriptor size 0 20:55:14 executing program 0: pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724", 0x10, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:55:14 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x2000000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 223.231614][T15180] loop4: detected capacity change from 0 to 4096 [ 223.233059][T15179] FAT-fs (loop5): bogus number of reserved sectors [ 223.250733][T15184] VFS: unable to find oldfs superblock on device loop2 [ 223.258350][T15179] FAT-fs (loop5): Can't find a valid FAT filesystem [ 223.266365][T15180] EXT4-fs (loop4): ext4_check_descriptors: Checksum for group 0 failed (26926!=46) [ 223.268191][T15188] loop0: detected capacity change from 0 to 4096 [ 223.275947][T15180] EXT4-fs (loop4): group descriptors corrupted! [ 223.283389][ T9516] usb 4-1: Using ep0 maxpacket: 8 [ 223.291325][T15191] loop1: detected capacity change from 0 to 65536 [ 223.302669][T15191] FAT-fs (loop1): bogus number of reserved sectors [ 223.309555][T15191] FAT-fs (loop1): Can't find a valid FAT filesystem [ 223.324350][T15188] EXT4-fs (loop0): unsupported descriptor size 0 [ 223.339945][T15184] FAULT_INJECTION: forcing a failure. [ 223.339945][T15184] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 223.356217][T15179] FAT-fs (loop5): bogus number of reserved sectors [ 223.364401][T15191] loop1: detected capacity change from 0 to 65536 [ 223.365076][T15179] FAT-fs (loop5): Can't find a valid FAT filesystem [ 223.380245][T15191] FAT-fs (loop1): bogus number of reserved sectors [ 223.387448][T15191] FAT-fs (loop1): Can't find a valid FAT filesystem [ 223.392651][T15184] CPU: 0 PID: 15184 Comm: syz-executor.2 Not tainted 5.12.0-rc5-syzkaller #0 [ 223.402927][T15184] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 223.413040][T15184] Call Trace: [ 223.416340][T15184] dump_stack+0x137/0x19d [ 223.420701][T15184] should_fail+0x23c/0x250 [ 223.425247][T15184] should_fail_usercopy+0x16/0x20 [ 223.430382][T15184] _copy_from_user+0x1c/0xd0 [ 223.434960][T15184] __se_sys_memfd_create+0x137/0x390 [ 223.440264][T15184] __x64_sys_memfd_create+0x2d/0x40 [ 223.445452][T15184] do_syscall_64+0x39/0x80 [ 223.449894][T15184] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 223.455995][T15184] RIP: 0033:0x466459 [ 223.459920][T15184] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 223.479530][T15184] RSP: 002b:00007fd5688b1f48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f [ 223.487945][T15184] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000466459 [ 223.495900][T15184] RDX: 0000000000000800 RSI: 0000000000000000 RDI: 00000000004beba8 [ 223.503872][T15184] RBP: 0000000000000001 R08: 0000000000000400 R09: ffffffffffffffff [ 223.511841][T15184] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000008100000 [ 223.519869][T15184] R13: 0000000020000100 R14: 0000000000040000 R15: 0000000020013800 [ 223.556603][ T9516] usb 4-1: New USB device found, idVendor=0c72, idProduct=000d, bcdDevice=9b.c9 [ 223.565722][ T9516] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 223.579516][ T9516] usb 4-1: config 0 descriptor?? [ 224.078200][ T9516] peak_usb 4-1:0.0 can0: unable to request usb[type=0 value=0] err=-71 [ 224.086512][ T9516] peak_usb 4-1:0.0: unable to read PCAN-USB Pro bootloader info (err -71) [ 224.157826][ T9516] peak_usb: probe of 4-1:0.0 failed with error -71 [ 224.170497][ T9516] usb 4-1: USB disconnect, device number 43 [ 224.846606][ T5] usb 4-1: new high-speed USB device number 44 using dummy_hcd [ 225.106592][ T5] usb 4-1: Using ep0 maxpacket: 8 [ 225.256869][ T5] usb 4-1: New USB device found, idVendor=0c72, idProduct=000d, bcdDevice=9b.c9 [ 225.266079][ T5] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 225.275181][ T5] usb 4-1: config 0 descriptor?? 20:55:16 executing program 3: openat(0xffffffffffffffff, 0x0, 0x0, 0x0) r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000080)={{0x12, 0x1, 0x0, 0xf6, 0xbe, 0xd8, 0x8, 0xc72, 0xd, 0x9bc9, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x9b, 0x10, 0x39}}]}}]}}, 0x0) syz_usb_control_io$cdc_ncm(r0, &(0x7f0000000480)={0x14, &(0x7f0000000380)={0x20, 0x10, 0xa3, {0xa3, 0x9, "c76b8ead335dfd3f9faebdec691f431ce23143e341376a63eebc8a588dcb37034a3db33f682d54bcfea5775d7a0e49c7565a5d8ae021c7ffaadc466b15861d21ab76ac6919cb67c9f4041bf55faef2d854c299fa6ae1e48e06c6f08da0d9fbc13d6bc9b074cfbf9ed52cbbdf0f7b32b748acfde12fa6b60dea15ddd05677bea9989a3453607a0eddb098b0cb4b8c6bc17c5b6cf2c99ffa9e434cf32196267fc3c5"}}, &(0x7f0000000440)={0x0, 0x3, 0x1a, {0x1a}}}, &(0x7f00000006c0)={0x44, &(0x7f00000004c0)={0x0, 0x9, 0x39, "a188c460ebe1d76db1b8360e9367ceab36ac1fc6e427b1ed10386cb72c7d37382b5144353cae7284528cdae7d525e1e7774ec3aee2a65b2360"}, &(0x7f0000000500)={0x0, 0xa, 0x1, 0x3d}, &(0x7f0000000540)={0x0, 0x8, 0x1, 0x51}, &(0x7f0000000580)={0x20, 0x80, 0x1c, {0x8, 0x4, 0x9, 0x7, 0xe51, 0x7, 0xff, 0x0, 0x81, 0x63a, 0x7e99, 0x8000}}, &(0x7f00000005c0)={0x20, 0x85, 0x4, 0x2}, &(0x7f0000000600)={0x20, 0x83, 0x2}, &(0x7f0000000640)={0x20, 0x87, 0x2, 0x6}, &(0x7f0000000680)={0x20, 0x89, 0x2}}) syz_usb_connect$hid(0x0, 0x3f, &(0x7f0000000000)={{0x12, 0x1, 0x310, 0x0, 0x0, 0x0, 0x8, 0x56a, 0x314, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x2d, 0x1, 0x1, 0x7f, 0x0, 0x7, [{{0x9, 0x4, 0x0, 0x45, 0x1, 0x3, 0x1, 0x2, 0x2, {0x9, 0x21, 0x3f, 0x3, 0x1, {0x22, 0xa52}}, {{{0x9, 0x5, 0x81, 0x3, 0x10, 0x8, 0x9, 0x6}}, [{{0x9, 0x5, 0x2, 0x3, 0x3ff, 0x4, 0x5, 0x1f}}]}}}]}}]}}, &(0x7f0000000300)={0xa, &(0x7f0000000040)={0xa, 0x6, 0x201, 0x6, 0x5, 0x3, 0x8, 0xd7}, 0x49, &(0x7f00000000c0)=ANY=[@ANYBLOB="050f4900051c100a03e40000000ff0f3010fffff0000c0f9ffc07ffe00003fff0003100b071002002900001410040924de891ba9454054d90184e4c7e30c380a1003000800037f1f00"], 0x6, [{0x4, &(0x7f0000000140)=@lang_id={0x4, 0x3, 0x81a}}, {0x62, &(0x7f0000000180)=@string={0x62, 0x3, "a7f37270508c4d66250dd26a4999d0aaf146fc3bfa9e036ef0f149edfab5f65cf4719d658c229faad86804032d49f130387209f210446ec9a3cdd34c433f136f6d211721e56d74190852256a6244f77335d1592fa9731400ef57fd33e5524468"}}, {0x4, &(0x7f0000000200)=@lang_id={0x4, 0x3, 0x280a}}, {0x4, &(0x7f0000000240)=@lang_id={0x4, 0x3, 0x44a}}, {0x4, &(0x7f0000000280)=@lang_id={0x4, 0x3, 0x412}}, {0x4, &(0x7f00000002c0)=@lang_id={0x4, 0x3, 0x1004}}]}) syz_usb_control_io(r0, 0x0, &(0x7f0000000840)={0x44, &(0x7f0000000000)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) 20:55:16 executing program 4: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e", 0x1f, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:55:16 executing program 2 (fault-call:4 fault-nth:2): r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) 20:55:16 executing program 0: pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e5", 0x18, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:55:16 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0xf, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:55:16 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x2040000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 225.478792][ T5] peak_usb 4-1:0.0 can0: unable to request usb[type=0 value=1] err=-71 [ 225.507647][ T5] peak_usb 4-1:0.0: unable to read PCAN-USB Pro firmware info (err -71) [ 225.540089][T15255] loop4: detected capacity change from 0 to 4096 [ 225.545010][T15256] FAT-fs (loop5): bogus number of reserved sectors [ 225.554524][T15259] loop0: detected capacity change from 0 to 4096 [ 225.561820][T15260] loop1: detected capacity change from 0 to 66048 [ 225.572706][T15263] VFS: unable to find oldfs superblock on device loop2 [ 225.573792][T15256] FAT-fs (loop5): Can't find a valid FAT filesystem [ 225.581803][T15255] EXT4-fs (loop4): ext4_check_descriptors: Checksum for group 0 failed (26926!=46) [ 225.590596][T15260] FAT-fs (loop1): bogus number of reserved sectors [ 225.602218][T15259] EXT4-fs (loop0): unsupported descriptor size 0 [ 225.608800][ T5] peak_usb: probe of 4-1:0.0 failed with error -71 [ 225.615145][T15260] FAT-fs (loop1): Can't find a valid FAT filesystem [ 225.619880][ T5] usb 4-1: USB disconnect, device number 44 [ 225.629982][T15255] EXT4-fs (loop4): group descriptors corrupted! [ 225.641994][T15263] FAULT_INJECTION: forcing a failure. [ 225.641994][T15263] name failslab, interval 1, probability 0, space 0, times 0 [ 225.662635][T15263] CPU: 1 PID: 15263 Comm: syz-executor.2 Not tainted 5.12.0-rc5-syzkaller #0 [ 225.671429][T15263] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 225.681503][T15263] Call Trace: [ 225.684832][T15263] dump_stack+0x137/0x19d [ 225.689168][T15263] should_fail+0x23c/0x250 [ 225.693582][T15263] ? shmem_alloc_inode+0x22/0x30 [ 225.698579][T15263] __should_failslab+0x81/0x90 [ 225.703340][T15263] ? shmem_match+0xa0/0xa0 [ 225.707762][T15263] should_failslab+0x5/0x20 [ 225.712428][T15263] kmem_cache_alloc+0x46/0x320 [ 225.717189][T15263] ? __rcu_read_unlock+0x5c/0x250 [ 225.722214][T15263] ? fsnotify_perm+0x59/0x2e0 [ 225.726921][T15263] ? shmem_match+0xa0/0xa0 [ 225.731343][T15263] shmem_alloc_inode+0x22/0x30 [ 225.736169][T15263] new_inode_pseudo+0x38/0x190 [ 225.741067][T15263] new_inode+0x21/0x100 [ 225.745224][T15263] shmem_get_inode+0xa1/0x440 [ 225.750078][T15263] __shmem_file_setup+0xf1/0x1d0 [ 225.755203][T15263] shmem_file_setup+0x37/0x40 [ 225.760008][T15263] __se_sys_memfd_create+0x1eb/0x390 [ 225.765295][T15263] __x64_sys_memfd_create+0x2d/0x40 [ 225.770498][T15263] do_syscall_64+0x39/0x80 [ 225.774943][T15263] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 225.780857][T15263] RIP: 0033:0x466459 [ 225.784840][T15263] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 225.804460][T15263] RSP: 002b:00007fd5688b1f48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f [ 225.813035][T15263] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000466459 [ 225.821011][T15263] RDX: 0000000000000800 RSI: 0000000000000000 RDI: 00000000004beba8 [ 225.828985][T15263] RBP: 0000000000000001 R08: 0000000000000400 R09: ffffffffffffffff 20:55:17 executing program 0: pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e5", 0x18, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 225.836959][T15263] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000008100000 [ 225.844931][T15263] R13: 0000000020000100 R14: 0000000000040000 R15: 0000000020013800 [ 225.854100][T15256] FAT-fs (loop5): bogus number of reserved sectors 20:55:17 executing program 4: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e", 0x1f, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:55:17 executing program 2 (fault-call:4 fault-nth:3): r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) [ 225.892213][T15256] FAT-fs (loop5): Can't find a valid FAT filesystem 20:55:17 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x10, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 225.934211][T15260] loop1: detected capacity change from 0 to 66048 [ 225.952045][T15294] loop0: detected capacity change from 0 to 4096 [ 225.965544][T15260] FAT-fs (loop1): bogus number of reserved sectors [ 225.992216][T15299] VFS: unable to find oldfs superblock on device loop2 [ 226.000651][T15294] EXT4-fs (loop0): unsupported descriptor size 0 [ 226.021146][T15260] FAT-fs (loop1): Can't find a valid FAT filesystem [ 226.028419][T15299] FAULT_INJECTION: forcing a failure. [ 226.028419][T15299] name failslab, interval 1, probability 0, space 0, times 0 [ 226.041314][T15308] loop4: detected capacity change from 0 to 4096 20:55:17 executing program 0: pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e5", 0x18, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 226.068554][T15314] FAT-fs (loop5): bogus number of reserved sectors [ 226.079643][T15308] EXT4-fs (loop4): ext4_check_descriptors: Checksum for group 0 failed (26926!=46) [ 226.131122][T15299] CPU: 0 PID: 15299 Comm: syz-executor.2 Not tainted 5.12.0-rc5-syzkaller #0 [ 226.140030][T15299] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 226.150090][T15299] Call Trace: [ 226.153372][T15299] dump_stack+0x137/0x19d [ 226.157709][T15299] should_fail+0x23c/0x250 [ 226.162185][T15299] ? security_inode_alloc+0x30/0x180 [ 226.167590][T15299] __should_failslab+0x81/0x90 [ 226.172461][T15299] should_failslab+0x5/0x20 [ 226.176973][T15299] kmem_cache_alloc+0x46/0x320 [ 226.181800][T15299] security_inode_alloc+0x30/0x180 [ 226.186947][T15299] inode_init_always+0x222/0x440 [ 226.191967][T15299] ? shmem_match+0xa0/0xa0 [ 226.196415][T15299] new_inode_pseudo+0x6f/0x190 [ 226.201191][T15299] new_inode+0x21/0x100 [ 226.205347][T15299] shmem_get_inode+0xa1/0x440 [ 226.210082][T15299] __shmem_file_setup+0xf1/0x1d0 [ 226.215025][T15299] shmem_file_setup+0x37/0x40 [ 226.219702][T15299] __se_sys_memfd_create+0x1eb/0x390 [ 226.224987][T15299] __x64_sys_memfd_create+0x2d/0x40 [ 226.230263][T15299] do_syscall_64+0x39/0x80 [ 226.234679][T15299] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 226.237186][T15314] FAT-fs (loop5): Can't find a valid FAT filesystem [ 226.240575][T15299] RIP: 0033:0x466459 [ 226.240594][T15299] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 226.270705][T15299] RSP: 002b:00007fd5688b1f48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f [ 226.272734][T15308] EXT4-fs (loop4): group descriptors corrupted! [ 226.279130][T15299] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000466459 [ 226.279147][T15299] RDX: 0000000000000800 RSI: 0000000000000000 RDI: 00000000004beba8 [ 226.279165][T15299] RBP: 0000000000000001 R08: 0000000000000400 R09: ffffffffffffffff [ 226.279178][T15299] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000008100000 [ 226.317335][T15299] R13: 0000000020000100 R14: 0000000000040000 R15: 0000000020013800 [ 226.326848][ T5] usb 4-1: new high-speed USB device number 45 using dummy_hcd 20:55:17 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x3000000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 226.387076][T15314] FAT-fs (loop5): bogus number of reserved sectors [ 226.393730][T15314] FAT-fs (loop5): Can't find a valid FAT filesystem [ 226.512455][T15333] loop0: detected capacity change from 0 to 4096 [ 226.524661][T15333] EXT4-fs (loop0): unsupported descriptor size 0 [ 226.586592][ T5] usb 4-1: Using ep0 maxpacket: 8 [ 226.746669][ T5] usb 4-1: New USB device found, idVendor=0c72, idProduct=000d, bcdDevice=9b.c9 [ 226.755731][ T5] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 226.765002][ T5] usb 4-1: config 0 descriptor?? [ 227.237223][T15261] udc-core: couldn't find an available UDC or it's busy [ 227.244233][T15261] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 227.486753][ T5] peak_usb 4-1:0.0 can0: unable to request usb[type=2 value=5] err=-71 [ 227.556664][ T5] peak_usb: probe of 4-1:0.0 failed with error -71 [ 227.565780][ T5] usb 4-1: USB disconnect, device number 45 [ 227.965965][T15367] udc-core: couldn't find an available UDC or it's busy [ 227.973146][T15367] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 228.226627][ T5] usb 4-1: new high-speed USB device number 46 using dummy_hcd 20:55:19 executing program 3: openat(0xffffffffffffffff, 0x0, 0x0, 0x0) r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000000)=ANY=[@ANYBLOB="120100004c9ba208d8160a70bc6a000000010902120001000000000904740000c1d74f00611b26b5ccc22170b4b45d3e1d33fb0ef467ecffbcfefd729bb937275e1b16251058"], 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000840)={0x44, &(0x7f0000000000)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) 20:55:19 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x4000000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:55:19 executing program 4: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:55:19 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x11, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:55:19 executing program 2 (fault-call:4 fault-nth:4): r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) 20:55:19 executing program 0: pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378", 0x1c, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 228.354852][T15377] loop4: detected capacity change from 0 to 4096 [ 228.364868][T15377] EXT4-fs (loop4): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 228.377940][T15377] EXT4-fs (loop4): group descriptors corrupted! [ 228.392467][T15378] FAT-fs (loop5): bogus number of reserved sectors 20:55:19 executing program 4: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 228.404402][T15387] loop0: detected capacity change from 0 to 4096 [ 228.414279][T15389] loop1: detected capacity change from 0 to 131072 [ 228.421158][T15387] EXT4-fs (loop0): unsupported descriptor size 0 [ 228.421509][T15378] FAT-fs (loop5): Can't find a valid FAT filesystem [ 228.441180][T15389] FAT-fs (loop1): bogus number of reserved sectors [ 228.448683][T15389] FAT-fs (loop1): Can't find a valid FAT filesystem [ 228.456021][T15390] VFS: unable to find oldfs superblock on device loop2 [ 228.492568][T15389] loop1: detected capacity change from 0 to 131072 20:55:20 executing program 0: pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378", 0x1c, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 228.502734][T15390] FAULT_INJECTION: forcing a failure. [ 228.502734][T15390] name failslab, interval 1, probability 0, space 0, times 0 [ 228.522366][T15378] FAT-fs (loop5): bogus number of reserved sectors [ 228.529804][T15389] FAT-fs (loop1): bogus number of reserved sectors [ 228.542639][T15378] FAT-fs (loop5): Can't find a valid FAT filesystem [ 228.579435][T15413] loop4: detected capacity change from 0 to 4096 [ 228.597700][T15389] FAT-fs (loop1): Can't find a valid FAT filesystem [ 228.604490][T15390] CPU: 1 PID: 15390 Comm: syz-executor.2 Not tainted 5.12.0-rc5-syzkaller #0 [ 228.613269][T15390] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 228.623339][T15390] Call Trace: [ 228.626618][T15390] dump_stack+0x137/0x19d [ 228.630953][T15390] should_fail+0x23c/0x250 [ 228.635373][T15390] ? __d_alloc+0x36/0x370 [ 228.639746][T15390] __should_failslab+0x81/0x90 [ 228.644531][T15390] should_failslab+0x5/0x20 [ 228.649060][T15390] kmem_cache_alloc+0x46/0x320 [ 228.653824][T15390] ? __init_rwsem+0x59/0x70 [ 228.658359][T15390] __d_alloc+0x36/0x370 [ 228.662602][T15390] ? current_time+0xdb/0x190 [ 228.667210][T15390] d_alloc_pseudo+0x1a/0x50 [ 228.671704][T15390] alloc_file_pseudo+0x63/0x130 [ 228.676939][T15390] __shmem_file_setup+0x14c/0x1d0 [ 228.681991][T15390] shmem_file_setup+0x37/0x40 [ 228.686667][T15390] __se_sys_memfd_create+0x1eb/0x390 [ 228.691951][T15390] __x64_sys_memfd_create+0x2d/0x40 [ 228.697193][T15390] do_syscall_64+0x39/0x80 [ 228.701621][T15390] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 228.707572][T15390] RIP: 0033:0x466459 [ 228.711509][T15390] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 228.731136][T15390] RSP: 002b:00007fd5688b1f48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f [ 228.739628][T15390] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000466459 [ 228.747601][T15390] RDX: 0000000000000800 RSI: 0000000000000000 RDI: 00000000004beba8 [ 228.755564][T15390] RBP: 0000000000000001 R08: 0000000000000400 R09: ffffffffffffffff [ 228.763542][T15390] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000008100000 [ 228.771535][T15390] R13: 0000000020000100 R14: 0000000000040000 R15: 0000000020013800 20:55:20 executing program 2 (fault-call:4 fault-nth:5): r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) 20:55:20 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x12, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 228.787733][T15420] loop0: detected capacity change from 0 to 4096 [ 228.794870][T15413] EXT4-fs (loop4): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 228.804816][T15420] EXT4-fs (loop0): unsupported descriptor size 0 [ 228.824929][T15413] EXT4-fs (loop4): group descriptors corrupted! 20:55:20 executing program 0: pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378", 0x1c, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:55:20 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x5000000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 228.884812][T15426] VFS: unable to find oldfs superblock on device loop2 [ 228.907189][ T5] usb 4-1: Using ep0 maxpacket: 8 [ 228.923081][T15434] loop0: detected capacity change from 0 to 4096 [ 228.932155][T15436] FAT-fs (loop5): bogus number of reserved sectors [ 228.938880][T15436] FAT-fs (loop5): Can't find a valid FAT filesystem [ 228.943095][T15426] FAULT_INJECTION: forcing a failure. [ 228.943095][T15426] name failslab, interval 1, probability 0, space 0, times 0 [ 228.993725][T15434] EXT4-fs (loop0): unsupported descriptor size 0 [ 229.002768][T15447] loop1: detected capacity change from 0 to 163840 [ 229.003436][T15436] FAT-fs (loop5): bogus number of reserved sectors [ 229.019691][T15436] FAT-fs (loop5): Can't find a valid FAT filesystem [ 229.019987][T15447] FAT-fs (loop1): bogus number of reserved sectors [ 229.026935][T15426] CPU: 1 PID: 15426 Comm: syz-executor.2 Not tainted 5.12.0-rc5-syzkaller #0 [ 229.034003][ T5] usb 4-1: config 0 has an invalid interface number: 116 but max is 0 [ 229.041717][T15426] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 229.041730][T15426] Call Trace: [ 229.041739][T15426] dump_stack+0x137/0x19d [ 229.041765][T15426] should_fail+0x23c/0x250 [ 229.055960][ T5] usb 4-1: config 0 has no interface number 0 [ 229.059987][T15426] ? __alloc_file+0x2e/0x1a0 [ 229.060011][T15426] __should_failslab+0x81/0x90 [ 229.060031][T15426] should_failslab+0x5/0x20 [ 229.066492][T15447] FAT-fs (loop1): Can't find a valid FAT filesystem [ 229.067638][T15426] kmem_cache_alloc+0x46/0x320 [ 229.067660][T15426] ? __d_alloc+0x36/0x370 [ 229.075061][ T5] usb 4-1: New USB device found, idVendor=16d8, idProduct=700a, bcdDevice=6a.bc [ 229.079787][T15426] __alloc_file+0x2e/0x1a0 [ 229.079811][T15426] alloc_empty_file+0xcd/0x1c0 [ 229.079829][T15426] alloc_file+0x3a/0x280 [ 229.085415][ T5] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 229.089152][T15426] alloc_file_pseudo+0xe2/0x130 [ 229.096920][ T5] usb 4-1: config 0 descriptor?? [ 229.100263][T15426] __shmem_file_setup+0x14c/0x1d0 [ 229.138517][ T5] option 4-1:0.116: GSM modem (1-port) converter detected [ 229.139647][T15426] shmem_file_setup+0x37/0x40 [ 229.166237][T15426] __se_sys_memfd_create+0x1eb/0x390 [ 229.172707][T15426] __x64_sys_memfd_create+0x2d/0x40 [ 229.177885][T15426] do_syscall_64+0x39/0x80 [ 229.182311][T15426] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 229.188388][T15426] RIP: 0033:0x466459 [ 229.192356][T15426] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 229.211985][T15426] RSP: 002b:00007fd5688b1f48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f [ 229.220377][T15426] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000466459 [ 229.228466][T15426] RDX: 0000000000000800 RSI: 0000000000000000 RDI: 00000000004beba8 [ 229.236430][T15426] RBP: 0000000000000001 R08: 0000000000000400 R09: ffffffffffffffff [ 229.244382][T15426] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000008100000 [ 229.252332][T15426] R13: 0000000020000100 R14: 0000000000040000 R15: 0000000020013800 [ 229.321194][T15447] loop1: detected capacity change from 0 to 163840 [ 229.329288][T15447] FAT-fs (loop1): bogus number of reserved sectors [ 229.335974][T15447] FAT-fs (loop1): Can't find a valid FAT filesystem 20:55:22 executing program 3: openat(0xffffffffffffffff, 0x0, 0x0, 0x0) r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000000)=ANY=[@ANYBLOB="12010000f679edb7490300eed8bed808720c0d00c99b000000010902281219010000000009"], 0x0) mount$9p_xen(&(0x7f0000000040)='syz\x00', &(0x7f0000000080)='./file0\x00', &(0x7f00000000c0)='9p\x00', 0x20000, &(0x7f0000000100)={'trans=xen,', {[{@afid={'afid', 0x3d, 0x7}}, {@posixacl='posixacl'}, {@aname={'aname', 0x3d, '#\xf0,-%('}}], [{@hash='hash'}, {@context={'context', 0x3d, 'staff_u'}}, {@appraise='appraise'}, {@subj_role={'subj_role', 0x3d, '[*,'}}, {@obj_role={'obj_role'}}]}}) syz_usb_disconnect(r0) 20:55:22 executing program 4: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:55:22 executing program 2 (fault-call:4 fault-nth:6): r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) 20:55:22 executing program 0: pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e5277033780100", 0x1e, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:55:22 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x25, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:55:22 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x6000000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 231.382080][ T9516] usb 4-1: USB disconnect, device number 46 [ 231.388370][ T9516] option 4-1:0.116: device disconnected [ 231.439963][T15483] loop1: detected capacity change from 0 to 196608 [ 231.442184][T15481] loop0: detected capacity change from 0 to 4096 [ 231.453410][T15480] FAT-fs (loop5): bogus number of reserved sectors [ 231.468102][T15480] FAT-fs (loop5): Can't find a valid FAT filesystem [ 231.472426][T15483] FAT-fs (loop1): bogus number of reserved sectors [ 231.482954][T15481] EXT4-fs (loop0): unsupported descriptor size 0 [ 231.491044][T15490] loop4: detected capacity change from 0 to 4096 [ 231.494161][T15489] VFS: unable to find oldfs superblock on device loop2 [ 231.505221][T15483] FAT-fs (loop1): Can't find a valid FAT filesystem [ 231.515494][T15480] FAT-fs (loop5): bogus number of reserved sectors [ 231.522556][T15480] FAT-fs (loop5): Can't find a valid FAT filesystem 20:55:23 executing program 0: pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e5277033780100", 0x1e, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 231.535707][T15490] EXT4-fs (loop4): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 231.557722][T15489] FAULT_INJECTION: forcing a failure. [ 231.557722][T15489] name failslab, interval 1, probability 0, space 0, times 0 20:55:23 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x48, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 231.591167][T15483] loop1: detected capacity change from 0 to 196608 [ 231.608243][T15483] FAT-fs (loop1): bogus number of reserved sectors [ 231.620025][T15489] CPU: 0 PID: 15489 Comm: syz-executor.2 Not tainted 5.12.0-rc5-syzkaller #0 [ 231.628805][T15489] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 231.638861][T15489] Call Trace: [ 231.642140][T15489] dump_stack+0x137/0x19d [ 231.644518][T15483] FAT-fs (loop1): Can't find a valid FAT filesystem [ 231.646557][T15489] should_fail+0x23c/0x250 [ 231.646581][T15489] ? security_file_alloc+0x30/0x190 [ 231.646605][T15489] __should_failslab+0x81/0x90 [ 231.655672][T15490] EXT4-fs (loop4): group descriptors corrupted! [ 231.657583][T15489] should_failslab+0x5/0x20 [ 231.678282][T15489] kmem_cache_alloc+0x46/0x320 [ 231.683066][T15489] ? __alloc_file+0x2e/0x1a0 [ 231.687656][T15489] security_file_alloc+0x30/0x190 [ 231.692718][T15489] __alloc_file+0x83/0x1a0 [ 231.697138][T15489] alloc_empty_file+0xcd/0x1c0 [ 231.702069][T15489] alloc_file+0x3a/0x280 [ 231.706334][T15489] alloc_file_pseudo+0xe2/0x130 [ 231.711173][T15489] __shmem_file_setup+0x14c/0x1d0 [ 231.716182][T15489] shmem_file_setup+0x37/0x40 [ 231.720858][T15489] __se_sys_memfd_create+0x1eb/0x390 [ 231.726153][T15489] __x64_sys_memfd_create+0x2d/0x40 [ 231.731507][T15489] do_syscall_64+0x39/0x80 [ 231.735927][T15489] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 231.741816][T15489] RIP: 0033:0x466459 [ 231.745692][T15489] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 231.765292][T15489] RSP: 002b:00007fd5688b1f48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f [ 231.773788][T15489] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000466459 [ 231.781884][T15489] RDX: 0000000000000800 RSI: 0000000000000000 RDI: 00000000004beba8 20:55:23 executing program 2 (fault-call:4 fault-nth:7): r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) [ 231.789850][T15489] RBP: 0000000000000001 R08: 0000000000000400 R09: ffffffffffffffff [ 231.797813][T15489] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000008100000 [ 231.805847][T15489] R13: 0000000020000100 R14: 0000000000040000 R15: 0000000020013800 20:55:23 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x6040000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 231.856958][ T9516] usb 4-1: new high-speed USB device number 47 using dummy_hcd [ 231.887827][T15512] loop0: detected capacity change from 0 to 4096 20:55:23 executing program 4: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x3, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 231.922597][T15520] FAT-fs (loop5): bogus number of reserved sectors [ 231.933645][T15512] EXT4-fs (loop0): unsupported descriptor size 0 [ 231.933899][T15520] FAT-fs (loop5): Can't find a valid FAT filesystem [ 231.970736][T15524] VFS: unable to find oldfs superblock on device loop2 [ 231.979455][T15529] loop1: detected capacity change from 0 to 197120 [ 231.986075][T15530] loop4: detected capacity change from 0 to 4096 20:55:23 executing program 0: pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e5277033780100", 0x1e, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 232.011254][T15530] EXT4-fs (loop4): unsupported descriptor size 0 [ 232.018796][T15529] FAT-fs (loop1): bogus number of reserved sectors [ 232.019767][T15524] FAULT_INJECTION: forcing a failure. [ 232.019767][T15524] name failslab, interval 1, probability 0, space 0, times 0 [ 232.029849][T15529] FAT-fs (loop1): Can't find a valid FAT filesystem [ 232.048424][ T9516] usb 4-1: device descriptor read/64, error 18 [ 232.063611][T15524] CPU: 0 PID: 15524 Comm: syz-executor.2 Not tainted 5.12.0-rc5-syzkaller #0 [ 232.072398][T15524] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 232.076689][T15541] loop0: detected capacity change from 0 to 4096 [ 232.082524][T15524] Call Trace: [ 232.082535][T15524] dump_stack+0x137/0x19d [ 232.096479][T15524] should_fail+0x23c/0x250 [ 232.100898][T15524] __should_failslab+0x81/0x90 [ 232.105787][T15524] ? tomoyo_realpath_from_path+0x98/0x3b0 [ 232.111575][T15524] should_failslab+0x5/0x20 [ 232.116089][T15524] __kmalloc+0x66/0x380 [ 232.120469][T15524] tomoyo_realpath_from_path+0x98/0x3b0 [ 232.126017][T15524] tomoyo_path_perm+0xc6/0x330 [ 232.130774][T15524] ? security_file_alloc+0x30/0x190 [ 232.135999][T15524] tomoyo_path_truncate+0x18/0x20 [ 232.141227][T15524] security_path_truncate+0x7f/0xd0 [ 232.146455][T15524] do_sys_ftruncate+0x378/0x540 [ 232.151336][T15524] ? kfree+0xf0/0x1e0 [ 232.155314][T15524] ? fpregs_assert_state_consistent+0x7d/0x90 [ 232.161911][T15524] __x64_sys_ftruncate+0x2f/0x40 [ 232.166974][T15524] do_syscall_64+0x39/0x80 [ 232.171440][T15524] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 232.177392][T15524] RIP: 0033:0x466417 [ 232.181281][T15524] Code: 48 89 e7 e8 cb e5 ff ff 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 1a 00 00 90 b8 4d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 [ 232.200891][T15524] RSP: 002b:00007fd5688b1f48 EFLAGS: 00000217 ORIG_RAX: 000000000000004d [ 232.209339][T15524] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000466417 [ 232.217311][T15524] RDX: 0000000000000800 RSI: 0000000000040000 RDI: 0000000000000005 [ 232.225359][T15524] RBP: 0000000000000001 R08: 0000000000000400 R09: ffffffffffffffff [ 232.233329][T15524] R10: 0000000000000001 R11: 0000000000000217 R12: 0000000000000005 [ 232.241297][T15524] R13: 0000000000000005 R14: 0000000000040000 R15: 0000000020013800 [ 232.256252][T15524] ERROR: Out of memory at tomoyo_realpath_from_path. [ 232.263997][T15541] EXT4-fs (loop0): unsupported descriptor size 0 [ 232.275086][T15524] loop2: detected capacity change from 0 to 512 [ 232.281457][T15529] loop1: detected capacity change from 0 to 197120 [ 232.289324][T15529] FAT-fs (loop1): bogus number of reserved sectors [ 232.295844][T15529] FAT-fs (loop1): Can't find a valid FAT filesystem [ 232.302902][T15524] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 232.313713][T15524] EXT4-fs (loop2): group descriptors corrupted! [ 232.396636][ T9516] usb 4-1: new high-speed USB device number 48 using dummy_hcd [ 232.586662][ T9516] usb 4-1: device descriptor read/64, error 18 [ 232.706703][ T9516] usb usb4-port1: attempt power cycle [ 233.426625][ T9516] usb 4-1: new high-speed USB device number 49 using dummy_hcd [ 233.516781][ T9516] usb 4-1: Invalid ep0 maxpacket: 183 [ 233.666661][ T9516] usb 4-1: new high-speed USB device number 50 using dummy_hcd [ 233.756767][ T9516] usb 4-1: Invalid ep0 maxpacket: 183 [ 233.762172][ T9516] usb usb4-port1: unable to enumerate USB device 20:55:25 executing program 4: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x3, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:55:25 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x4c, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:55:25 executing program 0: pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:55:25 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x7000000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:55:25 executing program 2 (fault-call:4 fault-nth:8): r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) 20:55:25 executing program 3: r0 = openat(0xffffffffffffffff, 0x0, 0x0, 0x0) preadv(r0, &(0x7f0000000000)=[{&(0x7f00000000c0)=""/211, 0xd3}, {&(0x7f00000001c0)=""/230, 0xe6}, {&(0x7f00000002c0)=""/228, 0xe4}], 0x3, 0x3, 0x101) r1 = syz_usb_connect(0x0, 0x24, &(0x7f0000000080)={{0x12, 0x1, 0x0, 0xf6, 0xbe, 0xd8, 0x8, 0xc72, 0xd, 0x9bc9, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x9b, 0x10, 0x39}}]}}]}}, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) syz_usb_connect$hid(0x5, 0x36, &(0x7f0000000040)={{0x12, 0x1, 0x250, 0x0, 0x0, 0x0, 0x40, 0x17ef, 0x6062, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0x2, 0x0, 0x9c, [{{0x9, 0x4, 0x0, 0x7c, 0x2, 0x3, 0x1, 0x2, 0x81, {0x9, 0x21, 0x1, 0x8, 0x1, {0x22, 0x1bd}}, {{{0x9, 0x5, 0x81, 0x3, 0x8, 0x0, 0x1, 0x57}}}}}]}}]}}, &(0x7f0000000740)={0xa, &(0x7f0000000480)={0xa, 0x6, 0x310, 0x80, 0x51, 0x6, 0x20, 0x80}, 0x49, &(0x7f00000004c0)={0x5, 0xf, 0x49, 0x1, [@generic={0x44, 0x10, 0x4, "638840fbd37c61e75c110e850aec9e9ead1303b399838a0e9479b4470e67961dd819ae67a635ea107f56b483fbd3cf30e89c052efdebbbca4f23a946ac6166108c"}]}, 0x4, [{0x6b, &(0x7f0000000540)=@string={0x6b, 0x3, "eeeb83850d2401e98532d2702fda7ddb5851a5d0652cc163f54a41c1ea8d217c3c595198f046a146fa492591473c87f3000e4e71d8dd15462b40bbc8eb4f1a9074137bbbf34a2c5395a9ff5ef3bb6c47ededeea7725bc54c17dea22f1ab5d05c8d4f8e39cd15928415"}}, {0x14, &(0x7f00000005c0)=@string={0xfffffe26, 0x3, "229ae526a8013988d5b780dc85aeea12d664"}}, {0x4, &(0x7f0000000700)=@lang_id={0x4, 0x3, 0x1009}}, {0x4, &(0x7f0000000600)=@string={0x0, 0x3, "2aef47efc749329f315393219219995705fedfed2848b8e7311fa8e8e301cbaf724904d3673d7fddd10824844695f985e0277e2b1cd74402adf17f5632d25b92da1bcdc01a98d043532e1a5da3e901eb2ebdaa31fab3b4bc77ce39c2315ce5bdd21015983927912760304626cb54ca9c14a8f7f9b3fa5de4afdec02a86a6"}}]}) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000001240)={&(0x7f0000000200)=@newlink={0x3c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_MTU={0x8, 0x4, 0x10001}, @IFLA_IFNAME={0x14, 0x3, 'ip6gretap0\x00'}]}, 0x3c}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000001240)={&(0x7f0000000200)=@newlink={0x3c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_MTU={0x8, 0x4, 0x10001}, @IFLA_IFNAME={0x14, 0x3, 'ip6gretap0\x00'}]}, 0x3c}}, 0x0) syz_usb_control_io(r1, 0x0, &(0x7f00000003c0)={0x84, &(0x7f0000003400)=ANY=[@ANYBLOB="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", @ANYRESOCT, @ANYRES32, @ANYRES64=r0, @ANYBLOB="f25d09eed048989a78cdff50cf59b05161ecd82800c1895e07efcd34fd6a4ca518d9c2fff3612c6f51b145233cd665709f8e269cf7c3cad897b899eed35bc5627283a547f04cf683cad56a446e56be18ef2c5ec405b11c", @ANYRESDEC=r2, @ANYRESHEX=r3, @ANYBLOB="6cc657a4a76f2d39b0000881933588f64f399d2d02fb86f24e575850818deef6c42083994d36949e4416ebeae0261662c85fb55f131c86c2c51f6084bc0a1abcbc2c79a0d01f4e73b792b21000c8ad37a42ac4616e0b0354e7fcd3a045ac9eb1d5b24721111ff1d90a", @ANYBLOB="1e06d5c38b86c17db53dd2d8a580d05db3b598af4aae0d8728a50028dc830c34c587285a1f3a2dacd785c6ccb67de751aca79c4567a1cf3ea9d3d9495df7059d493ab382c8167ecfd558ac3b5c5926325d75506c63c487363e90f3ac0b0146191867ccf4803610341b1f604db48d25829a47289057882622f3b0438bd6a13badd8400e4e5f5c60d6490b1319ec6e9518c6caab4f75f635bcb52eaaaae347301f47a7f2f7e76ea3d3c0e989c8b2bba35be3095fc1a38e4c209a115f2140a6d891252d7187a35375c7a54ef1c238d8e23bc63c0ac946076f1af8cd2612cd6fc0d57f2f848049a252daf758963b7e726cd8c67b88"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) [ 234.507767][T15566] loop1: detected capacity change from 0 to 229376 [ 234.511229][T15565] loop4: detected capacity change from 0 to 4096 [ 234.518367][T15568] FAT-fs (loop5): bogus number of reserved sectors [ 234.522213][T15567] loop0: detected capacity change from 0 to 4096 [ 234.531758][T15566] FAT-fs (loop1): bogus number of reserved sectors [ 234.540455][T15568] FAT-fs (loop5): Can't find a valid FAT filesystem [ 234.547275][T15566] FAT-fs (loop1): Can't find a valid FAT filesystem [ 234.554639][T15569] VFS: unable to find oldfs superblock on device loop2 [ 234.562287][T15565] EXT4-fs (loop4): unsupported descriptor size 0 [ 234.569183][T15567] EXT4-fs (loop0): unsupported descriptor size 0 20:55:26 executing program 0: pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 234.626820][T15568] FAT-fs (loop5): bogus number of reserved sectors [ 234.633351][T15568] FAT-fs (loop5): Can't find a valid FAT filesystem [ 234.647232][T15569] FAULT_INJECTION: forcing a failure. [ 234.647232][T15569] name failslab, interval 1, probability 0, space 0, times 0 [ 234.663504][T15566] loop1: detected capacity change from 0 to 229376 20:55:26 executing program 4: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x3, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 234.688704][T15566] FAT-fs (loop1): bogus number of reserved sectors [ 234.697316][T15566] FAT-fs (loop1): Can't find a valid FAT filesystem [ 234.708511][T15569] CPU: 1 PID: 15569 Comm: syz-executor.2 Not tainted 5.12.0-rc5-syzkaller #0 [ 234.717306][T15569] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 234.727377][T15569] Call Trace: [ 234.730656][T15569] dump_stack+0x137/0x19d [ 234.734999][T15569] should_fail+0x23c/0x250 [ 234.739454][T15569] __should_failslab+0x81/0x90 [ 234.744300][T15569] ? tomoyo_encode2+0x1d3/0x350 [ 234.749163][T15569] should_failslab+0x5/0x20 [ 234.753672][T15569] __kmalloc+0x66/0x380 [ 234.757936][T15569] tomoyo_encode2+0x1d3/0x350 [ 234.762628][T15569] ? dynamic_dname+0xf0/0xf0 [ 234.767222][T15569] tomoyo_realpath_from_path+0x35e/0x3b0 [ 234.772905][T15569] tomoyo_path_perm+0xc6/0x330 [ 234.777694][T15569] ? security_file_alloc+0x30/0x190 [ 234.782907][T15569] tomoyo_path_truncate+0x18/0x20 [ 234.787933][T15569] security_path_truncate+0x7f/0xd0 [ 234.793132][T15569] do_sys_ftruncate+0x378/0x540 [ 234.797980][T15569] ? kfree+0xf0/0x1e0 [ 234.801964][T15569] ? fpregs_assert_state_consistent+0x7d/0x90 [ 234.808067][T15569] __x64_sys_ftruncate+0x2f/0x40 [ 234.813052][T15569] do_syscall_64+0x39/0x80 [ 234.817463][T15569] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 234.823457][T15569] RIP: 0033:0x466417 [ 234.827350][T15569] Code: 48 89 e7 e8 cb e5 ff ff 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 1a 00 00 90 b8 4d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 [ 234.846956][T15569] RSP: 002b:00007fd5688b1f48 EFLAGS: 00000217 ORIG_RAX: 000000000000004d [ 234.855390][T15569] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000466417 [ 234.863449][T15569] RDX: 0000000000000800 RSI: 0000000000040000 RDI: 0000000000000005 [ 234.871423][T15569] RBP: 0000000000000001 R08: 0000000000000400 R09: ffffffffffffffff [ 234.879408][T15569] R10: 0000000000000001 R11: 0000000000000217 R12: 0000000000000005 [ 234.887376][T15569] R13: 0000000000000005 R14: 0000000000040000 R15: 0000000020013800 [ 234.908411][T15569] ERROR: Out of memory at tomoyo_realpath_from_path. 20:55:26 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x5c, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 234.937120][T15602] loop0: detected capacity change from 0 to 4096 [ 234.952064][T15569] loop2: detected capacity change from 0 to 512 [ 234.960305][T15604] loop4: detected capacity change from 0 to 4096 [ 234.972076][T15569] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! 20:55:26 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x8000000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:55:26 executing program 0: pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 234.982968][T15604] EXT4-fs (loop4): unsupported descriptor size 0 [ 234.992340][T15602] EXT4-fs (loop0): unsupported descriptor size 0 [ 235.000778][T15612] FAT-fs (loop5): bogus number of reserved sectors [ 235.003202][T15569] EXT4-fs (loop2): group descriptors corrupted! [ 235.007423][T15612] FAT-fs (loop5): Can't find a valid FAT filesystem 20:55:26 executing program 4: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {0x0, 0x0, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:55:26 executing program 2 (fault-call:4 fault-nth:9): r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) [ 235.088049][T15612] FAT-fs (loop5): bogus number of reserved sectors [ 235.094575][T15612] FAT-fs (loop5): Can't find a valid FAT filesystem [ 235.105186][T15620] loop1: detected capacity change from 0 to 262144 [ 235.126884][ T9104] usb 4-1: new high-speed USB device number 51 using dummy_hcd [ 235.138918][T15620] FAT-fs (loop1): bogus number of reserved sectors [ 235.154308][T15627] loop0: detected capacity change from 0 to 4096 [ 235.177738][T15620] FAT-fs (loop1): Can't find a valid FAT filesystem 20:55:26 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x60, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 235.177832][T15631] loop4: detected capacity change from 0 to 4096 [ 235.197313][T15627] EXT4-fs (loop0): unsupported descriptor size 0 [ 235.209200][T15631] EXT4-fs (loop4): unsupported descriptor size 0 20:55:26 executing program 4: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {0x0, 0x0, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:55:26 executing program 0: pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x3, &(0x7f0000000200)=[{&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:55:26 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x9000000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 235.278975][T15637] VFS: unable to find oldfs superblock on device loop2 [ 235.304025][T15644] FAT-fs (loop5): bogus number of reserved sectors [ 235.310774][T15644] FAT-fs (loop5): Can't find a valid FAT filesystem [ 235.325533][T15637] FAULT_INJECTION: forcing a failure. [ 235.325533][T15637] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 235.340490][T15650] loop4: detected capacity change from 0 to 4096 [ 235.348497][T15637] CPU: 1 PID: 15637 Comm: syz-executor.2 Not tainted 5.12.0-rc5-syzkaller #0 [ 235.349512][T15652] loop0: detected capacity change from 0 to 4096 [ 235.357297][T15637] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 235.357311][T15637] Call Trace: [ 235.357320][T15637] dump_stack+0x137/0x19d [ 235.357347][T15637] should_fail+0x23c/0x250 [ 235.367418][T15650] EXT4-fs (loop4): unsupported descriptor size 0 [ 235.373703][T15637] __alloc_pages_nodemask+0xea/0x350 [ 235.373732][T15637] alloc_pages_vma+0x3e6/0x890 [ 235.373837][T15637] shmem_alloc_and_acct_page+0x2ba/0x640 [ 235.407767][T15637] shmem_getpage_gfp+0x6c6/0x1980 [ 235.412810][T15637] shmem_write_begin+0x83/0x100 [ 235.417699][T15637] generic_perform_write+0x196/0x3a0 [ 235.423059][T15637] ? file_update_time+0x1bd/0x3e0 [ 235.428089][T15637] __generic_file_write_iter+0x15c/0x340 [ 235.433737][T15637] ? generic_write_checks+0x250/0x290 [ 235.439135][T15637] generic_file_write_iter+0x75/0x130 [ 235.444553][T15637] vfs_write+0x6f9/0x7e0 [ 235.448851][T15637] __x64_sys_pwrite64+0xf5/0x150 [ 235.453801][T15637] do_syscall_64+0x39/0x80 [ 235.456662][T15644] FAT-fs (loop5): bogus number of reserved sectors [ 235.458306][T15637] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 235.465055][T15644] FAT-fs (loop5): Can't find a valid FAT filesystem [ 235.471044][T15637] RIP: 0033:0x4195f7 [ 235.471066][T15637] Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b [ 235.471082][T15637] RSP: 002b:00007fd5688b1f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 [ 235.509522][T15637] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 00000000004195f7 [ 235.517490][T15637] RDX: 000000000000003a RSI: 0000000020010000 RDI: 0000000000000005 [ 235.518661][T15652] EXT4-fs (loop0): VFS: Can't find ext4 filesystem [ 235.525525][T15637] RBP: 0000000000000001 R08: 0000000000000000 R09: ffffffffffffffff [ 235.525541][T15637] R10: 0000000000000400 R11: 0000000000000293 R12: 0000000000000005 [ 235.525552][T15637] R13: 0000000000000005 R14: 0000000020000200 R15: 0000000000000000 [ 235.557674][ T9104] usb 4-1: Using ep0 maxpacket: 8 [ 235.614938][T15637] loop2: detected capacity change from 0 to 512 [ 235.621432][T15667] loop1: detected capacity change from 0 to 264192 [ 235.628781][T15637] EXT4-fs (loop2): VFS: Can't find ext4 filesystem [ 235.644889][T15667] FAT-fs (loop1): bogus number of reserved sectors [ 235.653478][T15667] FAT-fs (loop1): Can't find a valid FAT filesystem [ 235.696802][ T9104] usb 4-1: New USB device found, idVendor=0c72, idProduct=000d, bcdDevice=9b.c9 [ 235.707453][ T9104] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 235.719337][ T9104] usb 4-1: config 0 descriptor?? [ 235.725399][T15667] loop1: detected capacity change from 0 to 264192 [ 235.732753][T15667] FAT-fs (loop1): bogus number of reserved sectors [ 235.739309][T15667] FAT-fs (loop1): Can't find a valid FAT filesystem [ 235.967478][T15571] udc-core: couldn't find an available UDC or it's busy [ 235.979921][T15571] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 236.246863][ T9104] peak_usb 4-1:0.0 can0: unable to request usb[type=0 value=0] err=-71 [ 236.255157][ T9104] peak_usb 4-1:0.0: unable to read PCAN-USB Pro bootloader info (err -71) [ 236.296730][ T9104] peak_usb: probe of 4-1:0.0 failed with error -71 [ 236.309653][ T9104] usb 4-1: USB disconnect, device number 51 [ 236.996658][ T9104] usb 4-1: new high-speed USB device number 52 using dummy_hcd [ 237.236664][ T9104] usb 4-1: Using ep0 maxpacket: 8 [ 237.356690][ T9104] usb 4-1: New USB device found, idVendor=0c72, idProduct=000d, bcdDevice=9b.c9 [ 237.366388][ T9104] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 237.375605][ T9104] usb 4-1: config 0 descriptor?? 20:55:29 executing program 3: openat(0xffffffffffffffff, 0x0, 0x0, 0x0) r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000080)={{0x12, 0x1, 0x0, 0xf6, 0xbe, 0xd8, 0x8, 0xc72, 0xd, 0x9bc9, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x9b, 0x10, 0x39}}]}}]}}, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000840)={0x44, &(0x7f0000000000)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$hid(r0, &(0x7f0000000200)={0x24, &(0x7f00000000c0)={0x40, 0xb, 0xcf, {0xcf, 0x31, "cc8cbb786f6cfa3974dec269df694b31e1ea38bf6e3935d893cee85c195f6e9b799ba2af0592aa0fea900e67a57acfa943726c05ca4718b1ae06feb32fb079fa084da97ad6fc4ff883567a2a007f1bc617288f654bbcd8f30cc6998aa444522d7960213f6ff20687500aba52f4716a61bc43ce3b28b7e7395321dbc3a003069a67aca1ec440a41e69aeaa01a5225b69fbe878bf426e2fb131c668e7c1cdd94f50644950f020f02ef4f984cc62e22f88cc47e291e450c65cc8a4e5a196aa78da3be0e9c13bbaaaeb4838ffb28fb"}}, &(0x7f0000000000)={0x0, 0x3, 0x4, @lang_id={0x4, 0x3, 0x1c09}}, &(0x7f0000000040)={0x0, 0x22, 0x17, {[@global=@item_4={0x3, 0x1, 0x7, "b7b1670c"}, @main=@item_4={0x3, 0x0, 0xa, "f8e41e72"}, @global=@item_012={0x2, 0x1, 0xb, '\"@'}, @global=@item_4={0x3, 0x1, 0x3, "2ced78bf"}, @local=@item_4={0x3, 0x2, 0x8, "f7f43870"}]}}, &(0x7f00000001c0)={0x0, 0x21, 0x9, {0x9, 0x21, 0x3, 0x1f, 0x1, {0x22, 0x49f}}}}, &(0x7f00000003c0)={0x2c, &(0x7f0000000240)={0x60, 0xe, 0x55, "d652cf530b256dcd66799491046021eb09a82dea250da99bb91c260266578be4173da599b7e9a9daf2b1f4e18e510156c924081d739b1525b0b1c60511a3991a1cad3eb933dbe76e51a0dd17808673068eb0fa7cde"}, &(0x7f00000002c0)={0x0, 0xa, 0x1, 0x9}, 0xfffffffffffffffd, &(0x7f0000000300)={0x20, 0x1, 0x58, "38847825bcda160cd46aac470cd5dea573db06838853809d2fe25274146a0ad35147a4f6b6b3c518e68e3e04fedde27cab8340e4a9bcee893b046296e5a238e40cfc5fbbc515de1dcd8210e8dd05d1bca96c653c918f8bd6"}, &(0x7f0000000380)={0x20, 0x3, 0x1}}) 20:55:29 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x64, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:55:29 executing program 4: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {0x0, 0x0, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:55:29 executing program 2 (fault-call:4 fault-nth:10): r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) 20:55:29 executing program 0: pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x3, &(0x7f0000000200)=[{&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:55:29 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0xa000000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 237.556658][ T9104] peak_usb 4-1:0.0 can0: unable to request usb[type=0 value=1] err=-71 [ 237.565160][ T9104] peak_usb 4-1:0.0: unable to read PCAN-USB Pro firmware info (err -71) [ 237.584956][T15723] VFS: unable to find oldfs superblock on device loop2 [ 237.598879][T15724] loop1: detected capacity change from 0 to 264192 [ 237.615701][T15723] FAULT_INJECTION: forcing a failure. [ 237.615701][T15723] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 237.618560][T15724] FAT-fs (loop1): bogus number of reserved sectors [ 237.629018][T15723] CPU: 0 PID: 15723 Comm: syz-executor.2 Not tainted 5.12.0-rc5-syzkaller #0 [ 237.636098][T15724] FAT-fs (loop1): Can't find a valid FAT filesystem [ 237.644215][T15723] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 237.644229][T15723] Call Trace: [ 237.644238][T15723] dump_stack+0x137/0x19d [ 237.644265][T15723] should_fail+0x23c/0x250 [ 237.672891][T15723] should_fail_usercopy+0x16/0x20 [ 237.677928][T15723] iov_iter_copy_from_user_atomic+0x2d6/0x830 [ 237.684017][T15723] ? shmem_write_begin+0x83/0x100 [ 237.689047][T15723] generic_perform_write+0x1e4/0x3a0 [ 237.694436][T15723] ? file_update_time+0x1bd/0x3e0 [ 237.699463][T15723] __generic_file_write_iter+0x15c/0x340 [ 237.705205][T15723] ? generic_write_checks+0x250/0x290 [ 237.710653][T15723] generic_file_write_iter+0x75/0x130 [ 237.716046][T15723] vfs_write+0x6f9/0x7e0 [ 237.720294][T15723] __x64_sys_pwrite64+0xf5/0x150 [ 237.725353][T15723] do_syscall_64+0x39/0x80 [ 237.729768][T15723] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 237.735767][T15723] RIP: 0033:0x4195f7 [ 237.739652][T15723] Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b [ 237.759339][T15723] RSP: 002b:00007fd5688b1f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 [ 237.767752][T15723] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 00000000004195f7 [ 237.775738][T15723] RDX: 000000000000003a RSI: 0000000020010000 RDI: 0000000000000005 [ 237.783709][T15723] RBP: 0000000000000001 R08: 0000000000000000 R09: ffffffffffffffff [ 237.791746][T15723] R10: 0000000000000400 R11: 0000000000000293 R12: 0000000000000005 [ 237.799724][T15723] R13: 0000000000000005 R14: 0000000020000200 R15: 0000000000000000 [ 237.816920][T15735] loop0: detected capacity change from 0 to 4096 [ 237.842506][T15735] EXT4-fs (loop0): VFS: Can't find ext4 filesystem [ 237.849220][ T9104] peak_usb: probe of 4-1:0.0 failed with error -71 [ 237.849544][T15738] FAT-fs (loop5): bogus number of reserved sectors [ 237.875267][T15738] FAT-fs (loop5): Can't find a valid FAT filesystem [ 237.878732][T15723] loop2: detected capacity change from 0 to 512 [ 237.882010][T15743] loop4: detected capacity change from 0 to 4096 [ 237.894610][T15724] loop1: detected capacity change from 0 to 264192 [ 237.908572][T15723] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! 20:55:29 executing program 0: pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x3, &(0x7f0000000200)=[{&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:55:29 executing program 2 (fault-call:4 fault-nth:11): r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) 20:55:29 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x65, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 237.924767][T15723] EXT4-fs (loop2): group descriptors corrupted! [ 237.954003][T15724] FAT-fs (loop1): bogus number of reserved sectors [ 237.960654][T15724] FAT-fs (loop1): Can't find a valid FAT filesystem [ 237.960683][T15743] EXT4-fs (loop4): unsupported descriptor size 0 20:55:29 executing program 4: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0), 0x0, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 237.997757][ T9104] usb 4-1: USB disconnect, device number 52 20:55:29 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0xb000000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 238.091164][T15774] loop4: detected capacity change from 0 to 4096 [ 238.109134][T15775] VFS: unable to find oldfs superblock on device loop2 [ 238.135529][T15780] loop0: detected capacity change from 0 to 4096 [ 238.145523][T15781] FAT-fs (loop5): bogus number of reserved sectors [ 238.157711][T15775] FAULT_INJECTION: forcing a failure. [ 238.157711][T15775] name failslab, interval 1, probability 0, space 0, times 0 [ 238.157715][T15774] EXT4-fs (loop4): unsupported descriptor size 0 [ 238.158113][T15780] EXT4-fs (loop0): VFS: Can't find ext4 filesystem [ 238.186938][T15781] FAT-fs (loop5): Can't find a valid FAT filesystem [ 238.193904][T15775] CPU: 0 PID: 15775 Comm: syz-executor.2 Not tainted 5.12.0-rc5-syzkaller #0 [ 238.202695][T15775] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 238.203352][T15792] loop1: detected capacity change from 0 to 264192 [ 238.212761][T15775] Call Trace: [ 238.212774][T15775] dump_stack+0x137/0x19d [ 238.227039][T15775] should_fail+0x23c/0x250 [ 238.231498][T15775] ? getname_flags+0x84/0x3d0 [ 238.236178][T15775] __should_failslab+0x81/0x90 [ 238.240971][T15775] should_failslab+0x5/0x20 [ 238.245631][T15775] kmem_cache_alloc+0x46/0x320 [ 238.250423][T15775] getname_flags+0x84/0x3d0 [ 238.254923][T15775] ? vfs_write+0x572/0x7e0 [ 238.259406][T15775] getname+0x15/0x20 [ 238.263309][T15775] do_sys_openat2+0x5b/0x250 [ 238.267978][T15775] __x64_sys_openat+0xef/0x110 [ 238.272785][T15775] do_syscall_64+0x39/0x80 [ 238.277209][T15775] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 238.283227][T15775] RIP: 0033:0x419544 [ 238.287126][T15775] Code: 84 00 00 00 00 00 44 89 54 24 0c e8 96 f9 ff ff 44 8b 54 24 0c 44 89 e2 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 89 44 24 0c e8 c8 f9 ff ff 8b 44 [ 238.306799][T15775] RSP: 002b:00007fd5688b1ed0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 [ 238.315217][T15775] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 0000000000419544 [ 238.323222][T15775] RDX: 0000000000000002 RSI: 00007fd5688b2000 RDI: 00000000ffffff9c 20:55:29 executing program 4: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0), 0x0, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 238.331283][T15775] RBP: 00007fd5688b2000 R08: 0000000000000000 R09: ffffffffffffffff [ 238.339266][T15775] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002 [ 238.347240][T15775] R13: 0000000000000005 R14: 0000000020000218 R15: 0000000000000001 [ 238.376652][ T9104] usb 4-1: new high-speed USB device number 53 using dummy_hcd [ 238.413693][T15781] FAT-fs (loop5): bogus number of reserved sectors [ 238.428191][T15792] FAT-fs (loop1): bogus number of reserved sectors [ 238.434844][T15792] FAT-fs (loop1): Can't find a valid FAT filesystem [ 238.458226][T15781] FAT-fs (loop5): Can't find a valid FAT filesystem [ 238.501227][T15803] loop4: detected capacity change from 0 to 4096 [ 238.521118][T15803] EXT4-fs (loop4): unsupported descriptor size 0 [ 238.646786][ T9104] usb 4-1: Using ep0 maxpacket: 8 [ 238.766687][ T9104] usb 4-1: New USB device found, idVendor=0c72, idProduct=000d, bcdDevice=9b.c9 [ 238.766716][ T9104] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 238.769203][ T9104] usb 4-1: config 0 descriptor?? [ 239.296716][ T9104] peak_usb 4-1:0.0 can0: unable to request usb[type=0 value=0] err=-71 [ 239.305062][ T9104] peak_usb 4-1:0.0: unable to read PCAN-USB Pro bootloader info (err -71) [ 239.366933][ T9104] peak_usb: probe of 4-1:0.0 failed with error -71 [ 239.376358][ T9104] usb 4-1: USB disconnect, device number 53 20:55:31 executing program 0: pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{0x0, 0x0, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:55:31 executing program 2 (fault-call:4 fault-nth:12): r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) 20:55:31 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0xc000000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:55:31 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x66, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:55:31 executing program 4: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0), 0x0, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:55:31 executing program 3: openat(0xffffffffffffffff, 0x0, 0x410043, 0x0) r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000080)=ANY=[@ANYBLOB="1201000009021200010000000009040000009b103900"], 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000840)={0x44, &(0x7f0000000000)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r1 = syz_usb_connect(0x0, 0x24, &(0x7f0000000040)={{0x12, 0x1, 0x0, 0x7b, 0xc, 0x68, 0x40, 0x733, 0x3281, 0xc771, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x8, 0xd8, 0xf3}}]}}]}}, 0x0) syz_usb_control_io(r1, 0x0, &(0x7f0000002f80)={0xac, &(0x7f00000000c0)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$cdc_ecm(r1, 0x0, 0x0) syz_usb_control_io(r1, 0x0, &(0x7f00000012c0)={0x84, &(0x7f0000000e40)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io(r1, 0x0, &(0x7f0000000880)={0x84, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f00000006c0)={0x40, 0x21, 0x1}}) syz_usb_control_io$hid(r1, 0x0, 0x0) syz_usb_control_io(r1, 0x0, &(0x7f00000007c0)={0x84, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000780)={0x40, 0x21, 0x1, 0x2}}) syz_usb_connect$hid(0x6, 0x36, &(0x7f0000000680)={{0x12, 0x1, 0x200, 0x0, 0x0, 0x0, 0x10, 0xeef, 0x72d0, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0x8, 0x40, 0xd6, [{{0x9, 0x4, 0x0, 0x8, 0x2, 0x3, 0x1, 0x0, 0x28, {0x9, 0x21, 0x800, 0xff, 0x1, {0x22, 0xa9e}}, {{{0x9, 0x5, 0x81, 0x3, 0x260, 0x8, 0xfc, 0xff}}}}}]}}]}}, &(0x7f0000000d00)={0xa, &(0x7f0000000700)={0xa, 0x6, 0x201, 0x1, 0x6, 0xc0, 0xff}, 0x5, &(0x7f0000000740)={0x5, 0xf, 0x5}, 0x8, [{0x62, &(0x7f0000000940)=@string={0x62, 0x3, "607efbcedcbfcaf48f4fe17862d3efd889cd58133153868ec345c5ea1f4e450f6420b30e17abb767fb56d0886665c0d8f951f456bc5490aab1512d32a2654ce47034e3dfc3331473d718898cb27b6cbb05d0e80206dc7826d98eeb7ce8b7108a"}}, {0x86, &(0x7f00000009c0)=@string={0x86, 0x3, "da9eb5e71832bfd39e9dc5515c241ace5cdcef2c1308b1b8ffd06771d9f7b8b4875fc2d524c81696e6553c6e55cd95798b4c3a9a31d38aad314babca92aaad6ffee18617a272a5fbb98f557dd80b14ee91dfdc1aad65b96dbc02731282b788dca864a438701a4de4a65ad922a30b629b461f4539f1653ab4c1d44045e00e2bcf100116d9"}}, {0xca, &(0x7f0000000a80)=@string={0xca, 0x3, "14a0a331ec5a663fad095be00d8e51c6913725fd16cd5cd886cb06985ef0ff3f617488914de3ee8cf6fc7184ccf8f67dc052992b85602011e3543ce2cf8d8b337816eda410dd77a37d6aea11b3fba7613762950aea90203892c665e7dfef4c4f9f554aed8b69c202a70d0a7ae9110c8ef8e210cce50bc00be755cd2f683b1b63f277e49ecca41d613e8d6887a5abca1a82f2bdb2bbf632c0f8ba3c9d94bb583b0e0c7163c01cfc0835b86e90cd9b85dd9794b3987c07eb434501b76b16a5b30cafee632286249a38"}}, {0x70, &(0x7f0000000b80)=@string={0x70, 0x3, "c3500aee3f6a911c18b355f051503b017c57088364fa7c6c1bb972af508812480dd4230a01fc32c1ee5407a21553767afae22a33d0fc4f3d9ed8b955a596b5d8bc4d98998a65681cc02835f25fb9643d99f01d0b2dad4548a4c20208077be789fdd841301df46eabaf5401dafe58"}}, {0x4, &(0x7f0000000c00)=@lang_id={0x4, 0x3, 0x816}}, {0x28, &(0x7f0000000c40)=@string={0x28, 0x3, "1621ab9d95f0b1fde1ec5506a2950d1861fc09fbbbc76bf7e1d27f8531a4b719560e7ce6ec97"}}, {0x33, &(0x7f0000000c80)=@string={0x33, 0x3, "bb67288cf7365cecf34ce5fb6782af68df165e4799aa9b9319878a6173579897ade44fd5c93ae3390f0c118bf27c44b208"}}, {0x4, &(0x7f0000000cc0)=@lang_id={0x4, 0x3, 0x459}}]}) r2 = syz_usb_connect(0x0, 0x24, &(0x7f0000000040)={{0x12, 0x1, 0x0, 0x7b, 0xc, 0x68, 0x40, 0x733, 0x3281, 0xc771, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x8, 0xd8, 0xf3}}]}}]}}, 0x0) syz_usb_control_io(r2, 0x0, &(0x7f0000002f80)={0xac, &(0x7f00000000c0)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$cdc_ecm(r2, 0x0, 0x0) syz_usb_control_io(r2, 0x0, &(0x7f00000012c0)={0x84, &(0x7f0000000e40)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io(r2, 0x0, &(0x7f0000000880)={0x84, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f00000006c0)={0x40, 0x21, 0x1}}) syz_usb_control_io$hid(0xffffffffffffffff, 0x0, 0x0) syz_usb_control_io$hid(r1, 0x0, &(0x7f0000000580)={0x2c, &(0x7f0000000440)=ANY=[], 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$hid(r1, 0x0, &(0x7f0000000380)={0x2c, &(0x7f0000000080), 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io(r1, &(0x7f0000000180)={0x2c, &(0x7f0000000000)={0x0, 0x21, 0xa, {0xa, 0xb, "100d67fbb5b00f31"}}, &(0x7f0000000040)={0x0, 0x3, 0x32, @string={0x32, 0x3, "6891196ffe08f06a6df407719731e88c7c80e4af33ebe909c0695a015db01b8417ad4f850e230bbdbe8d8db27ad8c916"}}, &(0x7f00000000c0)={0x0, 0xf, 0x5, {0x5, 0xf, 0x5}}, &(0x7f0000000100)={0x20, 0x29, 0xf, {0xf, 0x29, 0x5, 0x2, 0x80, 0x9, "d90032b9", "cfe81fb0"}}, &(0x7f0000000140)={0x20, 0x2a, 0xc, {0xc, 0x2a, 0xa7, 0x1, 0x1, 0x0, 0x7, 0x1, 0x9}}}, &(0x7f00000005c0)={0x84, &(0x7f00000001c0)={0x20, 0x16, 0x3, "ca7c3d"}, &(0x7f0000000200)={0x0, 0xa, 0x1, 0x4}, &(0x7f0000000240)={0x0, 0x8, 0x1}, &(0x7f0000000280)={0x20, 0x0, 0x4, {0x6}}, &(0x7f00000002c0)={0x20, 0x0, 0x8, {0xe0, 0x7bf61386a48a8f44, [0xf000]}}, &(0x7f0000000300)={0x40, 0x7, 0x2, 0x438}, &(0x7f0000000340)={0x40, 0x9, 0x1, 0x3f}, &(0x7f0000000380)={0x40, 0xb, 0x2, "0f3c"}, &(0x7f00000003c0)={0x40, 0xf, 0x2, 0x9}, &(0x7f0000000400)={0x40, 0x13, 0x6, @multicast}, &(0x7f0000000440)={0x40, 0x17, 0x6, @dev={[], 0x1f}}, &(0x7f0000000480)={0x40, 0x19, 0x2, "d1e5"}, &(0x7f00000004c0)={0x40, 0x1a, 0x2, 0x800}, &(0x7f0000000500)={0x40, 0x1c, 0x1, 0x1f}, &(0x7f0000000540)={0x40, 0x1e, 0x1, 0x4}, &(0x7f0000000580)={0x40, 0x21, 0x1, 0x5}}) [ 239.845938][T15847] loop0: detected capacity change from 0 to 4096 [ 239.854271][T15848] loop1: detected capacity change from 0 to 264192 [ 239.865320][T15847] EXT4-fs (loop0): VFS: Can't find ext4 filesystem [ 239.874621][T15848] FAT-fs (loop1): bogus number of reserved sectors [ 239.877863][T15852] VFS: unable to find oldfs superblock on device loop2 [ 239.882959][T15848] FAT-fs (loop1): Can't find a valid FAT filesystem [ 239.888672][T15854] loop4: detected capacity change from 0 to 4096 [ 239.903161][T15853] FAT-fs (loop5): bogus number of reserved sectors [ 239.910597][T15854] EXT4-fs (loop4): unsupported descriptor size 0 [ 239.920952][T15853] FAT-fs (loop5): Can't find a valid FAT filesystem 20:55:31 executing program 0: pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{0x0, 0x0, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 239.948526][T15848] loop1: detected capacity change from 0 to 264192 [ 239.962590][T15877] FAULT_INJECTION: forcing a failure. [ 239.962590][T15877] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 239.975925][T15877] CPU: 1 PID: 15877 Comm: syz-executor.2 Not tainted 5.12.0-rc5-syzkaller #0 [ 239.984699][T15877] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 239.994784][T15877] Call Trace: [ 239.998091][T15877] dump_stack+0x137/0x19d [ 240.002439][T15877] should_fail+0x23c/0x250 [ 240.006889][T15877] should_fail_usercopy+0x16/0x20 [ 240.011932][T15877] strncpy_from_user+0x21/0x250 [ 240.016785][T15877] getname_flags+0xb8/0x3d0 [ 240.021290][T15877] ? vfs_write+0x572/0x7e0 [ 240.025748][T15877] getname+0x15/0x20 [ 240.029661][T15877] do_sys_openat2+0x5b/0x250 [ 240.034277][T15877] __x64_sys_openat+0xef/0x110 [ 240.039121][T15877] do_syscall_64+0x39/0x80 20:55:31 executing program 4: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724", 0x10, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 240.043609][T15877] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 240.048351][T15848] FAT-fs (loop1): bogus number of reserved sectors [ 240.049513][T15877] RIP: 0033:0x419544 [ 240.049532][T15877] Code: 84 00 00 00 00 00 44 89 54 24 0c e8 96 f9 ff ff 44 8b 54 24 0c 44 89 e2 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 89 44 24 0c e8 c8 f9 ff ff 8b 44 [ 240.056053][T15848] FAT-fs (loop1): Can't find a valid FAT filesystem [ 240.086188][T15877] RSP: 002b:00007fd568890ed0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 [ 240.094618][T15877] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 0000000000419544 [ 240.102643][T15877] RDX: 0000000000000002 RSI: 00007fd568891000 RDI: 00000000ffffff9c [ 240.110703][T15877] RBP: 00007fd568891000 R08: 0000000000000000 R09: ffffffffffffffff [ 240.118770][T15877] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002 [ 240.126868][T15877] R13: 0000000000000006 R14: 0000000020000218 R15: 0000000000000001 [ 240.143066][T15880] loop0: detected capacity change from 0 to 4096 20:55:31 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0xd000000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:55:31 executing program 2 (fault-call:4 fault-nth:13): r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) [ 240.154944][T15880] EXT4-fs (loop0): VFS: Can't find ext4 filesystem [ 240.162979][T15853] FAT-fs (loop5): bogus number of reserved sectors [ 240.174877][T15853] FAT-fs (loop5): Can't find a valid FAT filesystem [ 240.186648][ T3574] usb 4-1: new high-speed USB device number 54 using dummy_hcd 20:55:31 executing program 0: pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{0x0, 0x0, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:55:31 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x68, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 240.205737][T15887] loop4: detected capacity change from 0 to 4096 [ 240.249452][T15887] EXT4-fs (loop4): unsupported descriptor size 0 [ 240.273898][T15898] loop1: detected capacity change from 0 to 264192 [ 240.278814][T15904] VFS: unable to find oldfs superblock on device loop2 [ 240.291793][T15901] FAT-fs (loop5): bogus number of reserved sectors [ 240.296640][T15898] FAT-fs (loop1): bogus number of reserved sectors [ 240.299011][T15903] loop0: detected capacity change from 0 to 4096 [ 240.307153][T15898] FAT-fs (loop1): Can't find a valid FAT filesystem [ 240.313164][T15901] FAT-fs (loop5): Can't find a valid FAT filesystem [ 240.330493][T15903] EXT4-fs (loop0): VFS: Can't find ext4 filesystem [ 240.337615][T15904] FAULT_INJECTION: forcing a failure. [ 240.337615][T15904] name failslab, interval 1, probability 0, space 0, times 0 [ 240.350245][T15904] CPU: 1 PID: 15904 Comm: syz-executor.2 Not tainted 5.12.0-rc5-syzkaller #0 [ 240.359127][T15904] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 240.369179][T15904] Call Trace: [ 240.372452][T15904] dump_stack+0x137/0x19d [ 240.376782][T15904] should_fail+0x23c/0x250 [ 240.381209][T15904] ? __alloc_file+0x2e/0x1a0 [ 240.385797][T15904] __should_failslab+0x81/0x90 [ 240.390703][T15904] should_failslab+0x5/0x20 [ 240.395260][T15904] kmem_cache_alloc+0x46/0x320 [ 240.400020][T15904] __alloc_file+0x2e/0x1a0 [ 240.404482][T15904] alloc_empty_file+0xcd/0x1c0 [ 240.409253][T15904] path_openat+0x65/0x21b0 [ 240.413706][T15904] ? iov_iter_advance+0x1eb/0xa40 [ 240.418767][T15904] ? balance_dirty_pages_ratelimited+0xce/0x8b0 [ 240.425101][T15904] ? generic_perform_write+0x332/0x3a0 [ 240.430566][T15904] do_filp_open+0xbd/0x1d0 [ 240.434987][T15904] ? expand_files+0x55/0x520 [ 240.439583][T15904] ? __virt_addr_valid+0x15a/0x1a0 [ 240.444700][T15904] ? __check_object_size+0x253/0x310 [ 240.450034][T15904] ? _raw_spin_unlock+0x22/0x40 [ 240.454892][T15904] ? alloc_fd+0x35d/0x3b0 [ 240.459223][T15904] do_sys_openat2+0xa3/0x250 [ 240.463817][T15904] __x64_sys_openat+0xef/0x110 [ 240.468648][T15904] do_syscall_64+0x39/0x80 [ 240.473063][T15904] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 240.478961][T15904] RIP: 0033:0x419544 [ 240.482847][T15904] Code: 84 00 00 00 00 00 44 89 54 24 0c e8 96 f9 ff ff 44 8b 54 24 0c 44 89 e2 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 89 44 24 0c e8 c8 f9 ff ff 8b 44 [ 240.502581][T15904] RSP: 002b:00007fd5688b1ed0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 [ 240.510995][T15904] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 0000000000419544 [ 240.518965][T15904] RDX: 0000000000000002 RSI: 00007fd5688b2000 RDI: 00000000ffffff9c [ 240.526932][T15904] RBP: 00007fd5688b2000 R08: 0000000000000000 R09: ffffffffffffffff [ 240.534896][T15904] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002 [ 240.542884][T15904] R13: 0000000000000005 R14: 0000000020000218 R15: 0000000000000001 20:55:31 executing program 4: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724", 0x10, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 240.551417][ T3574] usb 4-1: device descriptor read/64, error 18 [ 240.585848][T15901] FAT-fs (loop5): bogus number of reserved sectors [ 240.586828][T15898] loop1: detected capacity change from 0 to 264192 20:55:32 executing program 0: pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000), 0x0, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:55:32 executing program 2 (fault-call:4 fault-nth:14): r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) [ 240.594492][T15901] FAT-fs (loop5): Can't find a valid FAT filesystem 20:55:32 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x6c, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:55:32 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0xe000000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 240.628548][T15898] FAT-fs (loop1): bogus number of reserved sectors [ 240.635478][T15898] FAT-fs (loop1): Can't find a valid FAT filesystem [ 240.644517][T15922] loop0: detected capacity change from 0 to 4096 [ 240.653948][T15922] EXT4-fs (loop0): VFS: Can't find ext4 filesystem [ 240.668351][T15927] loop4: detected capacity change from 0 to 4096 [ 240.693596][T15933] FAT-fs (loop5): bogus number of reserved sectors [ 240.700888][T15927] EXT4-fs (loop4): unsupported descriptor size 0 [ 240.709638][T15933] FAT-fs (loop5): Can't find a valid FAT filesystem [ 240.729962][T15938] VFS: unable to find oldfs superblock on device loop2 [ 240.742729][T15933] FAT-fs (loop5): bogus number of reserved sectors [ 240.750048][T15944] loop1: detected capacity change from 0 to 264192 [ 240.750096][T15933] FAT-fs (loop5): Can't find a valid FAT filesystem [ 240.766550][T15944] FAT-fs (loop1): bogus number of reserved sectors [ 240.779969][T15938] FAULT_INJECTION: forcing a failure. [ 240.779969][T15938] name failslab, interval 1, probability 0, space 0, times 0 [ 240.782122][T15944] FAT-fs (loop1): Can't find a valid FAT filesystem [ 240.796537][T15938] CPU: 0 PID: 15938 Comm: syz-executor.2 Not tainted 5.12.0-rc5-syzkaller #0 [ 240.808238][T15938] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 240.818294][T15938] Call Trace: [ 240.821598][T15938] dump_stack+0x137/0x19d [ 240.825990][T15938] should_fail+0x23c/0x250 [ 240.830455][T15938] ? security_file_alloc+0x30/0x190 [ 240.835658][T15938] __should_failslab+0x81/0x90 [ 240.840453][T15938] should_failslab+0x5/0x20 [ 240.844980][T15938] kmem_cache_alloc+0x46/0x320 [ 240.849769][T15938] ? __alloc_file+0x2e/0x1a0 [ 240.854357][T15938] security_file_alloc+0x30/0x190 [ 240.859408][T15938] __alloc_file+0x83/0x1a0 [ 240.863802][T15938] alloc_empty_file+0xcd/0x1c0 [ 240.868546][T15938] path_openat+0x65/0x21b0 [ 240.872959][T15938] ? iov_iter_advance+0x1eb/0xa40 [ 240.877971][T15938] ? balance_dirty_pages_ratelimited+0xce/0x8b0 [ 240.884196][T15938] ? generic_perform_write+0x332/0x3a0 [ 240.889647][T15938] do_filp_open+0xbd/0x1d0 [ 240.894055][T15938] ? expand_files+0x55/0x520 [ 240.898638][T15938] ? __virt_addr_valid+0x15a/0x1a0 [ 240.903753][T15938] ? __check_object_size+0x253/0x310 [ 240.909030][T15938] ? _raw_spin_unlock+0x22/0x40 [ 240.913876][T15938] ? alloc_fd+0x35d/0x3b0 [ 240.918185][T15938] do_sys_openat2+0xa3/0x250 [ 240.922789][T15938] __x64_sys_openat+0xef/0x110 [ 240.927616][T15938] do_syscall_64+0x39/0x80 [ 240.932027][T15938] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 240.937984][T15938] RIP: 0033:0x419544 [ 240.941856][T15938] Code: 84 00 00 00 00 00 44 89 54 24 0c e8 96 f9 ff ff 44 8b 54 24 0c 44 89 e2 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 89 44 24 0c e8 c8 f9 ff ff 8b 44 [ 240.961441][T15938] RSP: 002b:00007fd5688b1ed0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 [ 240.970429][T15938] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 0000000000419544 [ 240.978409][T15938] RDX: 0000000000000002 RSI: 00007fd5688b2000 RDI: 00000000ffffff9c [ 240.986380][T15938] RBP: 00007fd5688b2000 R08: 0000000000000000 R09: ffffffffffffffff [ 240.994343][T15938] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002 [ 241.002299][T15938] R13: 0000000000000005 R14: 0000000020000218 R15: 0000000000000001 [ 241.012542][ T3574] usb 4-1: new high-speed USB device number 55 using dummy_hcd [ 241.054895][T15944] loop1: detected capacity change from 0 to 264192 [ 241.064701][T15944] FAT-fs (loop1): bogus number of reserved sectors [ 241.071320][T15944] FAT-fs (loop1): Can't find a valid FAT filesystem [ 241.206654][ T3574] usb 4-1: device descriptor read/64, error 18 [ 241.337544][ T3574] usb usb4-port1: attempt power cycle [ 242.046659][ T3574] usb 4-1: new high-speed USB device number 56 using dummy_hcd [ 242.136843][ T3574] usb 4-1: Invalid ep0 maxpacket: 0 [ 242.286644][ T3574] usb 4-1: new high-speed USB device number 57 using dummy_hcd [ 242.376798][ T3574] usb 4-1: Invalid ep0 maxpacket: 0 [ 242.382075][ T3574] usb usb4-port1: unable to enumerate USB device 20:55:34 executing program 3: openat(0xffffffffffffffff, 0x0, 0x0, 0x0) r0 = syz_usb_connect(0x0, 0x65d, &(0x7f00000000c0)={{0x12, 0x1, 0x0, 0xbc, 0x4f, 0xce, 0x8, 0x5c6, 0x9205, 0xf0fe, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x64b, 0x1, 0xff, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0xf, 0x27, 0xed, 0x1e, 0x0, [@hid_hid={0x9, 0x21, 0x7, 0x5, 0x1, {0x22, 0xaa1}}, @cdc_ecm={{0x9, 0x24, 0x6, 0x0, 0x0, "e55a1ecb"}, {0x5, 0x24, 0x0, 0x309b}, {0xd, 0x24, 0xf, 0x1, 0x1, 0x7, 0x81, 0xff}, [@mdlm={0x15, 0x24, 0x12, 0x3ff}, @network_terminal={0x7, 0x24, 0xa, 0x40, 0x11, 0x7, 0x1}, @acm={0x4, 0x24, 0x2, 0x1}, @obex={0x5, 0x24, 0x15, 0x6}, @country_functional={0xc, 0x24, 0x7, 0x7f, 0x8000, [0x4, 0x6, 0x5]}, @mbim={0xc, 0x24, 0x1b, 0x101, 0x3, 0x6, 0x3, 0x7f, 0x81}]}], [{{0x9, 0x5, 0x1, 0x0, 0x40, 0x6, 0xd6, 0x2, [@uac_iso={0x7, 0x25, 0x1, 0x0, 0x37, 0x1}, @generic={0x102, 0x10, "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"}]}}, {{0x9, 0x5, 0x7, 0xb6e796570ed82349, 0x40, 0x8, 0x1f, 0x80, [@uac_iso={0x7, 0x25, 0x1, 0x3, 0x0, 0x2}]}}, {{0x9, 0x5, 0xf, 0x2, 0x28, 0x5, 0x81}}, {{0x9, 0x5, 0x9, 0x10, 0x400, 0x40, 0x3, 0xff, [@uac_iso={0x7, 0x25, 0x1, 0x83, 0x1, 0xad}, @uac_iso={0x7, 0x25, 0x1, 0x83, 0x80, 0x8}]}}, {{0x9, 0x5, 0xe, 0x0, 0x400, 0x1f, 0xff, 0x7, [@generic={0x5e, 0x3, "7fa6ca8804e3502a25686912eeeb075c80077e7e316012a9557a5587dbb01827ba21f57df44bfc97b551e73270166e11ba98a9938fa1bbe543e685e824989a2cf60fe20a3f3e63452e533f5c9f26954638181af5fb2e28a1b056fde4"}]}}, {{0x9, 0x5, 0x8, 0x10, 0x40, 0xff, 0x20}}, {{0x9, 0x5, 0xb, 0x18, 0x400, 0xae, 0x1, 0x4, [@uac_iso={0x7, 0x25, 0x1, 0x0, 0x9}, @generic={0x71, 0x3, "6973e06382af2108839c6bbae20d601aa3df123278faad76ca31dd7e3d3db6e62ac642c44b5519664c979bbaebaf687de2c5e98e2b7a1ac5b319a05269490296ea8e8e6a0de24c22a89d8ab506b9601ff9361eaefccdf050517865874c22ac41c90b18bc9729ee04b9c6d24399ad9f"}]}}, {{0x9, 0x5, 0xa, 0xc, 0x20, 0x7f, 0x9, 0x81, [@generic={0x5b, 0x21, "d6a6a2539bd3bef713dbd2a2b3ae11c2e85c5f4cbdafce247226c09c81f9810e45e16730e804d92ee82448700166631aa064d2f66eed2aad1b9eb0c96eca230b7782cd6e645ccb2c42fd940f54eff6c0ace548750e48276ce8"}, @uac_iso={0x7, 0x25, 0x1, 0x3, 0x7f, 0xe000}]}}, {{0x9, 0x5, 0x5, 0x0, 0x400, 0x5, 0xfc, 0x81}}, {{0x9, 0x5, 0xd, 0x0, 0x10, 0x3f, 0x1}}, {{0x9, 0x5, 0xa, 0x3, 0x8, 0x9, 0x0, 0x20, [@generic={0x8a, 0xb, "49ee55242f37839b9be217efbc7fc7bab25df7d624ff0b27bb0c11e24d995bf75289f70dc99fa25429edb4d933ebea86e0fda25fb465c569920a01a316ab2a7e54bd57f86f80cfd58169276ff7c341d37ca198fc3a7b45bcc9120d279d334a042a8504f7b259532d0ea2e8cd0f85920bf7f915674788f894fc18d95445324b30c23c4d322957016d"}, @generic={0xda, 0x2, "d247ead24db188fd342ec968d4a6191ac69ca397e3e139034e41e714bf5f2281a8ea43c378dd7663efb9b535ea45efa3fbd1bd00e7190100deda454640556fa74fe28961763f1a688248dc48ed14ebf66decce52d079fc849bc84a799054ea5a28d81487477f4dfe67d76eac6369be4e54ece9dc598b8f3ade50832a2036c3a8bd8422c7f0a2ee803416b1d52ee765ecbef2cf3e449cea0e4c1cf9463ed21475295ead5d7d3957c269f5507a309a44091fb28b5fc5ce2576d87f9f228e24325eec3f4111543791422b7993fa0623b0e4a4d9af0cfc2e8d32"}]}}, {{0x9, 0x5, 0x4, 0x10, 0x8, 0x6, 0x0, 0x0, [@generic={0x56, 0x3, "7e8664560da91bbba34a1e0b615721a6558a0555a09b290b7d0ac8cce6133136663085c0c5859c484e15b9e6cba1110a5765fe591012af73548b6e4c76cc2d21d7d95695446667fcc7d1d7858841d46a1504e3d6"}, @uac_iso={0x7, 0x25, 0x1, 0x2, 0x1, 0xc67}]}}, {{0x9, 0x5, 0x9, 0x10, 0x250, 0x1, 0xe, 0x8d, [@generic={0xf0, 0x8, "19950f334d381ce27145a7119a00250c1cec3c2fb314e10c985251dc947353fee0e15a238c1ce0137b4d41637049d8d22c2443694f79cedd63429bafd30c0755483f8b6f045ba9a0c87751c28ce53b122a249d92621770493003d92590192a77f78897f04d8f277db2347c915271559aac288c3b754aa52a894bb3b7dec563c82a692fcdf3bd5059cb202d0330641bf9f4b51a0475b617cbbc7fb1b0959eb27bc7baeb5f9d984a8ad24efca67de36fb92e6ee1e37b38eeee16ad52ce15826082bc709ed3eaabfcf040139446393b3cfb66662c0a2514409f59c249f977e7419e475156171550f71bbfa5e411d596"}, @uac_iso={0x7, 0x25, 0x1, 0x81, 0x3, 0x4c}]}}, {{0x9, 0x5, 0xd, 0x0, 0x3ff, 0x9, 0x32, 0x1, [@uac_iso={0x7, 0x25, 0x1, 0x41, 0x7f, 0x40}]}}, {{0x9, 0x5, 0x2, 0x2, 0x400, 0x2, 0xe0, 0xcd, [@generic={0x3c, 0x22, "33f96f80210cc264d18072ca598f669892ec4529a3ebe1f6ebfff66faf3a2e10436d40b535dd786b4c4794a7e153fb7e404963fa9471e6c5551e"}]}}]}}]}}]}}, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000840)={0x37, &(0x7f0000000000)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) write$binfmt_misc(r1, &(0x7f0000000000)=ANY=[], 0xfffffecc) openat(r1, &(0x7f0000000000)='./file0\x00', 0x43, 0x2) 20:55:34 executing program 0: pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000), 0x0, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:55:34 executing program 2 (fault-call:4 fault-nth:15): r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) 20:55:34 executing program 4: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724", 0x10, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:55:34 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x74, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:55:34 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x10000000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 242.901645][T15968] loop0: detected capacity change from 0 to 4096 [ 242.912540][T15968] EXT4-fs (loop0): VFS: Can't find ext4 filesystem [ 242.925452][T15967] VFS: unable to find oldfs superblock on device loop2 [ 242.930801][T15974] loop4: detected capacity change from 0 to 4096 [ 242.936108][T15970] loop1: detected capacity change from 0 to 264192 [ 242.945300][T15973] FAT-fs (loop5): bogus number of reserved sectors [ 242.952550][T15973] FAT-fs (loop5): Can't find a valid FAT filesystem [ 242.953627][T15970] FAT-fs (loop1): bogus number of reserved sectors [ 242.966474][T15970] FAT-fs (loop1): Can't find a valid FAT filesystem [ 242.973137][T15974] EXT4-fs (loop4): unsupported descriptor size 0 [ 242.990243][T15967] FAULT_INJECTION: forcing a failure. [ 242.990243][T15967] name failslab, interval 1, probability 0, space 0, times 0 [ 243.010758][T15967] CPU: 1 PID: 15967 Comm: syz-executor.2 Not tainted 5.12.0-rc5-syzkaller #0 [ 243.019623][T15967] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 243.029694][T15967] Call Trace: [ 243.033074][T15967] dump_stack+0x137/0x19d [ 243.037427][T15967] should_fail+0x23c/0x250 [ 243.041893][T15967] __should_failslab+0x81/0x90 [ 243.046657][T15967] ? tomoyo_realpath_from_path+0x98/0x3b0 [ 243.052383][T15967] should_failslab+0x5/0x20 [ 243.056895][T15967] __kmalloc+0x66/0x380 [ 243.061097][T15967] ? __alloc_pages_nodemask+0x1a8/0x350 [ 243.067086][T15967] tomoyo_realpath_from_path+0x98/0x3b0 [ 243.072714][T15967] tomoyo_check_open_permission+0xaf/0x370 [ 243.078645][T15967] tomoyo_file_open+0xd3/0xf0 [ 243.083400][T15967] security_file_open+0x3f/0x90 [ 243.088266][T15967] do_dentry_open+0x22d/0x890 [ 243.092946][T15967] vfs_open+0x43/0x50 [ 243.096911][T15967] path_openat+0x1982/0x21b0 [ 243.101484][T15967] do_filp_open+0xbd/0x1d0 [ 243.105977][T15967] ? _raw_spin_unlock+0x22/0x40 [ 243.111189][T15967] ? alloc_fd+0x35d/0x3b0 [ 243.115518][T15967] do_sys_openat2+0xa3/0x250 [ 243.120090][T15967] __x64_sys_openat+0xef/0x110 [ 243.124882][T15967] do_syscall_64+0x39/0x80 [ 243.129350][T15967] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 243.135325][T15967] RIP: 0033:0x419544 [ 243.139254][T15967] Code: 84 00 00 00 00 00 44 89 54 24 0c e8 96 f9 ff ff 44 8b 54 24 0c 44 89 e2 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 89 44 24 0c e8 c8 f9 ff ff 8b 44 [ 243.158881][T15967] RSP: 002b:00007fd5688b1ed0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 [ 243.167338][T15967] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 0000000000419544 [ 243.175313][T15967] RDX: 0000000000000002 RSI: 00007fd5688b2000 RDI: 00000000ffffff9c [ 243.183371][T15967] RBP: 00007fd5688b2000 R08: 0000000000000000 R09: ffffffffffffffff [ 243.191347][T15967] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002 20:55:34 executing program 0: pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000), 0x0, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 243.199306][T15967] R13: 0000000000000005 R14: 0000000020000218 R15: 0000000000000001 [ 243.214637][T15967] ERROR: Out of memory at tomoyo_realpath_from_path. [ 243.237123][T15970] loop1: detected capacity change from 0 to 264192 20:55:34 executing program 4: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e5", 0x18, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 243.255659][T15970] FAT-fs (loop1): bogus number of reserved sectors [ 243.275734][T15967] loop2: detected capacity change from 0 to 512 [ 243.293852][T15973] FAT-fs (loop5): bogus number of reserved sectors [ 243.305799][T15967] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 243.314758][T15973] FAT-fs (loop5): Can't find a valid FAT filesystem [ 243.316107][T15967] EXT4-fs (loop2): group descriptors corrupted! 20:55:34 executing program 2 (fault-call:4 fault-nth:16): r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) 20:55:34 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x7a, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:55:34 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x11000000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 243.347002][T15970] FAT-fs (loop1): Can't find a valid FAT filesystem [ 243.368109][T16006] loop0: detected capacity change from 0 to 4096 [ 243.373349][T16009] loop4: detected capacity change from 0 to 4096 [ 243.385920][T16006] EXT4-fs (loop0): VFS: Can't find ext4 filesystem 20:55:34 executing program 0: pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf465", 0x33, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 243.424755][T16009] EXT4-fs (loop4): unsupported descriptor size 0 [ 243.435067][T16016] VFS: unable to find oldfs superblock on device loop2 [ 243.479169][T16025] FAT-fs (loop5): bogus number of reserved sectors [ 243.485779][T16026] loop1: detected capacity change from 0 to 264192 [ 243.498500][T16016] FAULT_INJECTION: forcing a failure. [ 243.498500][T16016] name failslab, interval 1, probability 0, space 0, times 0 [ 243.512521][ T9104] usb 4-1: new high-speed USB device number 58 using dummy_hcd [ 243.520158][T16016] CPU: 1 PID: 16016 Comm: syz-executor.2 Not tainted 5.12.0-rc5-syzkaller #0 [ 243.522191][T16025] FAT-fs (loop5): Can't find a valid FAT filesystem [ 243.528923][T16016] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 243.528938][T16016] Call Trace: [ 243.528946][T16016] dump_stack+0x137/0x19d [ 243.528976][T16016] should_fail+0x23c/0x250 [ 243.557656][T16016] __should_failslab+0x81/0x90 [ 243.562514][T16016] ? tomoyo_encode2+0x1d3/0x350 [ 243.567450][T16016] should_failslab+0x5/0x20 [ 243.571958][T16016] __kmalloc+0x66/0x380 [ 243.576144][T16016] tomoyo_encode2+0x1d3/0x350 [ 243.580007][T16034] loop0: detected capacity change from 0 to 4096 [ 243.580830][T16016] tomoyo_realpath_from_path+0x35e/0x3b0 [ 243.580864][T16016] tomoyo_check_open_permission+0xaf/0x370 [ 243.580891][T16016] tomoyo_file_open+0xd3/0xf0 [ 243.594975][T16034] EXT4-fs (loop0): VFS: Can't find ext4 filesystem [ 243.598828][T16016] security_file_open+0x3f/0x90 [ 243.598858][T16016] do_dentry_open+0x22d/0x890 [ 243.598883][T16016] vfs_open+0x43/0x50 [ 243.623507][T16016] path_openat+0x1982/0x21b0 [ 243.628199][T16016] do_filp_open+0xbd/0x1d0 [ 243.632626][T16016] ? _raw_spin_unlock+0x22/0x40 [ 243.637507][T16016] ? alloc_fd+0x35d/0x3b0 [ 243.641910][T16016] do_sys_openat2+0xa3/0x250 [ 243.646512][T16016] __x64_sys_openat+0xef/0x110 [ 243.651336][T16016] do_syscall_64+0x39/0x80 [ 243.655765][T16016] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 243.658469][T16026] FAT-fs (loop1): bogus number of reserved sectors [ 243.661679][T16016] RIP: 0033:0x419544 [ 243.669059][T16026] FAT-fs (loop1): Can't find a valid FAT filesystem [ 243.672065][T16016] Code: 84 00 00 00 00 00 44 89 54 24 0c e8 96 f9 ff ff 44 8b 54 24 0c 44 89 e2 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 89 44 24 0c e8 c8 f9 ff ff 8b 44 [ 243.672087][T16016] RSP: 002b:00007fd5688b1ed0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 [ 243.706741][T16016] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 0000000000419544 [ 243.714703][T16016] RDX: 0000000000000002 RSI: 00007fd5688b2000 RDI: 00000000ffffff9c [ 243.722775][T16016] RBP: 00007fd5688b2000 R08: 0000000000000000 R09: ffffffffffffffff [ 243.730736][T16016] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002 [ 243.738687][T16016] R13: 0000000000000005 R14: 0000000020000218 R15: 0000000000000001 [ 243.749696][T16016] ERROR: Out of memory at tomoyo_realpath_from_path. [ 243.824047][T16016] loop2: detected capacity change from 0 to 512 [ 243.831315][T16025] FAT-fs (loop5): bogus number of reserved sectors [ 243.841662][T16016] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 243.856345][T16025] FAT-fs (loop5): Can't find a valid FAT filesystem [ 243.869082][T16016] EXT4-fs (loop2): group descriptors corrupted! [ 243.976727][ T9104] usb 4-1: Using ep0 maxpacket: 8 [ 244.117005][ T9104] usb 4-1: config 255 contains an unexpected descriptor of type 0x1, skipping [ 244.129258][ T9104] usb 4-1: config 255 has an invalid descriptor of length 0, skipping remainder of the config [ 244.147045][ T9104] usb 4-1: config 255 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 15 [ 244.160731][ T9104] usb 4-1: New USB device found, idVendor=05c6, idProduct=9205, bcdDevice=f0.fe [ 244.170117][ T9104] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 20:55:37 executing program 3: clone(0x2000, &(0x7f0000000100)="8ce87f6943e9739872ae7befc5d0190c4d064d1f4cdecc6d584d9c8dc01904329c00b4813a6dfa5b7f4a87fb2a02ba34984176df77d5d0bd1ece62ecb758103ca914", &(0x7f00000000c0), &(0x7f0000000000), &(0x7f0000000180)="709b8276417519f0867650fac10151319f003986a0bc087ea3accde289c56963c6f12f48ba7d2b814515238db84fd51426adf59e7cda85a7d902b566f406eae183ed6ae947ce6b28ce2aa760db56ddb4718ceda036a178241a82244dccb9820f99658c3771e60533a82d802b69fd300d0e0ff48530") openat(0xffffffffffffffff, 0x0, 0x0, 0x0) r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000080)={{0x12, 0x1, 0x0, 0xf6, 0xbe, 0xd8, 0x8, 0xc72, 0xd, 0x9bc9, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x9b, 0x10, 0x39}}]}}]}}, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000840)={0x44, &(0x7f0000000000)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) 20:55:37 executing program 4: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e5", 0x18, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:55:37 executing program 0: pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf465", 0x33, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:55:37 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x12000000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:55:37 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0xfe, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:55:37 executing program 2 (fault-call:4 fault-nth:17): r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) [ 245.915749][ T3574] usb 4-1: USB disconnect, device number 58 [ 245.952885][T16064] loop4: detected capacity change from 0 to 4096 [ 245.982856][T16067] VFS: unable to find oldfs superblock on device loop2 [ 245.992122][T16064] EXT4-fs (loop4): unsupported descriptor size 0 [ 246.001860][T16070] loop0: detected capacity change from 0 to 4096 [ 246.008506][T16077] FAT-fs (loop5): bogus number of reserved sectors [ 246.018799][T16082] loop1: detected capacity change from 0 to 264192 [ 246.020047][T16077] FAT-fs (loop5): Can't find a valid FAT filesystem [ 246.034992][T16070] EXT4-fs (loop0): VFS: Can't find ext4 filesystem [ 246.045672][T16082] FAT-fs (loop1): bogus number of reserved sectors [ 246.053182][T16082] FAT-fs (loop1): Can't find a valid FAT filesystem [ 246.056218][T16067] FAULT_INJECTION: forcing a failure. [ 246.056218][T16067] name failslab, interval 1, probability 0, space 0, times 0 [ 246.072569][T16067] CPU: 1 PID: 16067 Comm: syz-executor.2 Not tainted 5.12.0-rc5-syzkaller #0 [ 246.081341][T16067] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 246.091417][T16067] Call Trace: [ 246.094691][T16067] dump_stack+0x137/0x19d [ 246.099024][T16067] should_fail+0x23c/0x250 [ 246.104310][T16067] __should_failslab+0x81/0x90 [ 246.109079][T16067] ? tomoyo_realpath_from_path+0x98/0x3b0 [ 246.114807][T16067] should_failslab+0x5/0x20 [ 246.119435][T16067] __kmalloc+0x66/0x380 [ 246.123668][T16067] ? path_openat+0x191f/0x21b0 [ 246.128863][T16067] tomoyo_realpath_from_path+0x98/0x3b0 [ 246.134422][T16067] tomoyo_path_number_perm+0xc1/0x2d0 [ 246.139794][T16067] ? fsnotify+0x34a/0x1190 [ 246.144426][T16067] ? kmem_cache_free+0x59/0x100 [ 246.149273][T16067] ? __rcu_read_unlock+0x5c/0x250 [ 246.154311][T16067] tomoyo_file_ioctl+0x1c/0x20 [ 246.159262][T16067] security_file_ioctl+0x45/0x90 [ 246.164199][T16067] __se_sys_ioctl+0x48/0x140 [ 246.168855][T16067] __x64_sys_ioctl+0x3f/0x50 [ 246.173499][T16067] do_syscall_64+0x39/0x80 [ 246.177920][T16067] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 246.183827][T16067] RIP: 0033:0x466217 [ 246.187736][T16067] Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 a4 48 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 246.207537][T16067] RSP: 002b:00007fd5688b1f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 246.216061][T16067] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 0000000000466217 [ 246.224051][T16067] RDX: 0000000000000005 RSI: 0000000000004c00 RDI: 0000000000000006 [ 246.232029][T16067] RBP: 0000000000000006 R08: 0000000000000000 R09: ffffffffffffffff [ 246.240076][T16067] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 246.248056][T16067] R13: 0000000000000005 R14: 0000000020000218 R15: 0000000000000001 [ 246.262344][T16067] ERROR: Out of memory at tomoyo_realpath_from_path. [ 246.269979][T16067] loop2: detected capacity change from 0 to 512 20:55:37 executing program 4: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e5", 0x18, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 246.288184][T16077] FAT-fs (loop5): bogus number of reserved sectors [ 246.300785][T16082] loop1: detected capacity change from 0 to 264192 [ 246.308605][T16077] FAT-fs (loop5): Can't find a valid FAT filesystem [ 246.316416][T16082] FAT-fs (loop1): bogus number of reserved sectors [ 246.316754][T16067] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! 20:55:37 executing program 0: pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf465", 0x33, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:55:37 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x18000000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 246.323142][T16082] FAT-fs (loop1): Can't find a valid FAT filesystem 20:55:37 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x10e, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:55:37 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x25000000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 246.391811][T16067] EXT4-fs (loop2): group descriptors corrupted! [ 246.422692][T16108] loop4: detected capacity change from 0 to 4096 [ 246.423412][T16106] loop0: detected capacity change from 0 to 4096 20:55:38 executing program 2 (fault-call:4 fault-nth:18): r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) [ 246.436256][T16108] EXT4-fs (loop4): unsupported descriptor size 0 [ 246.448167][T16106] EXT4-fs (loop0): VFS: Can't find ext4 filesystem [ 246.472956][T16111] FAT-fs (loop5): bogus number of reserved sectors [ 246.480714][T16111] FAT-fs (loop5): Can't find a valid FAT filesystem [ 246.506861][ T3574] usb 4-1: new high-speed USB device number 59 using dummy_hcd [ 246.529240][T16121] loop1: detected capacity change from 0 to 264192 [ 246.532163][T16111] FAT-fs (loop5): bogus number of reserved sectors [ 246.539702][T16121] FAT-fs (loop1): bogus number of reserved sectors [ 246.549050][T16111] FAT-fs (loop5): Can't find a valid FAT filesystem [ 246.561041][T16121] FAT-fs (loop1): Can't find a valid FAT filesystem [ 246.571551][T16131] VFS: unable to find oldfs superblock on device loop2 [ 246.619100][T16131] FAULT_INJECTION: forcing a failure. [ 246.619100][T16131] name failslab, interval 1, probability 0, space 0, times 0 [ 246.634096][T16131] CPU: 1 PID: 16131 Comm: syz-executor.2 Not tainted 5.12.0-rc5-syzkaller #0 [ 246.642868][T16131] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 246.652958][T16131] Call Trace: [ 246.656251][T16131] dump_stack+0x137/0x19d [ 246.660669][T16131] should_fail+0x23c/0x250 [ 246.665085][T16131] __should_failslab+0x81/0x90 [ 246.669848][T16131] ? tomoyo_encode2+0x1d3/0x350 [ 246.674705][T16131] should_failslab+0x5/0x20 [ 246.679237][T16131] __kmalloc+0x66/0x380 [ 246.683391][T16131] tomoyo_encode2+0x1d3/0x350 [ 246.688082][T16131] tomoyo_realpath_from_path+0x35e/0x3b0 [ 246.693746][T16131] tomoyo_path_number_perm+0xc1/0x2d0 [ 246.699127][T16131] ? fsnotify+0x34a/0x1190 [ 246.703601][T16131] ? kmem_cache_free+0x59/0x100 [ 246.706676][T16121] loop1: detected capacity change from 0 to 264192 [ 246.708456][T16131] ? __rcu_read_unlock+0x5c/0x250 [ 246.719039][T16121] FAT-fs (loop1): bogus number of reserved sectors [ 246.719965][T16131] tomoyo_file_ioctl+0x1c/0x20 [ 246.727682][T16121] FAT-fs (loop1): Can't find a valid FAT filesystem [ 246.731301][T16131] security_file_ioctl+0x45/0x90 [ 246.731336][T16131] __se_sys_ioctl+0x48/0x140 [ 246.731357][T16131] __x64_sys_ioctl+0x3f/0x50 [ 246.752050][T16131] do_syscall_64+0x39/0x80 [ 246.756469][T16131] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 246.762443][T16131] RIP: 0033:0x466217 [ 246.766425][T16131] Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 a4 48 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 246.786042][T16131] RSP: 002b:00007fd5688b1f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 246.794459][T16131] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 0000000000466217 [ 246.802429][T16131] RDX: 0000000000000005 RSI: 0000000000004c00 RDI: 0000000000000006 [ 246.811093][T16131] RBP: 0000000000000006 R08: 0000000000000000 R09: ffffffffffffffff [ 246.819060][T16131] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 246.827037][T16131] R13: 0000000000000005 R14: 0000000020000218 R15: 0000000000000001 [ 246.835882][ T3574] usb 4-1: Using ep0 maxpacket: 8 [ 246.841351][T16131] ERROR: Out of memory at tomoyo_realpath_from_path. [ 246.848400][T16131] loop2: detected capacity change from 0 to 512 [ 246.855588][T16131] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 246.866287][T16131] EXT4-fs (loop2): group descriptors corrupted! [ 246.956675][ T3574] usb 4-1: New USB device found, idVendor=0c72, idProduct=000d, bcdDevice=9b.c9 [ 246.966853][ T3574] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 246.981882][ T3574] usb 4-1: config 0 descriptor?? [ 247.466714][ T3574] peak_usb 4-1:0.0 can0: unable to request usb[type=0 value=0] err=-71 [ 247.475042][ T3574] peak_usb 4-1:0.0: unable to read PCAN-USB Pro bootloader info (err -71) [ 247.526712][ T3574] peak_usb: probe of 4-1:0.0 failed with error -71 [ 247.542768][ T3574] usb 4-1: USB disconnect, device number 59 [ 248.216660][ T3574] usb 4-1: new high-speed USB device number 60 using dummy_hcd [ 248.466697][ T3574] usb 4-1: Using ep0 maxpacket: 8 [ 248.587287][ T3574] usb 4-1: New USB device found, idVendor=0c72, idProduct=000d, bcdDevice=9b.c9 [ 248.596326][ T3574] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 248.608239][ T3574] usb 4-1: config 0 descriptor?? 20:55:40 executing program 3: r0 = openat(0xffffffffffffffff, 0x0, 0x0, 0x0) r1 = syz_usb_connect(0x0, 0x24, &(0x7f0000000080)=ANY=[@ANYBLOB="12010000f6bed808720c0d00c99b0001090212000000"], 0x0) ioctl$TIOCGPGRP(r0, 0x540f, &(0x7f0000000100)=0x0) ioctl$DRM_IOCTL_GET_CLIENT(r0, 0xc0286405, &(0x7f0000000140)={0x40000004, 0x6, {r2}, {}, 0x1, 0x3ff}) pipe(&(0x7f0000000080)={0xffffffffffffffff}) r5 = socket$inet_udp(0x2, 0x2, 0x0) close(r5) splice(r4, 0x0, r5, 0x0, 0x4ffe2, 0x0) perf_event_open(&(0x7f0000000000)={0x0, 0x70, 0x2, 0x72, 0x0, 0x4, 0x0, 0x9, 0x1400, 0x6, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, @perf_config_ext={0xb65, 0x5}, 0x40000, 0x8001, 0x6e, 0x5, 0xd7a, 0xff, 0x83ec}, r3, 0x4, r4, 0x1) syz_usb_control_io(r1, 0x0, &(0x7f0000000840)={0x44, &(0x7f0000000000)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) 20:55:40 executing program 4: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378", 0x1c, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:55:40 executing program 0: pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004", 0x4d, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:55:40 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x3f000000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:55:40 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x204, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:55:40 executing program 2 (fault-call:4 fault-nth:19): r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) [ 248.856668][ T3574] peak_usb 4-1:0.0 can0: unable to request usb[type=0 value=1] err=-71 [ 248.879295][ T3574] peak_usb 4-1:0.0: unable to read PCAN-USB Pro firmware info (err -71) [ 248.902873][T16189] loop5: detected capacity change from 0 to 1 [ 248.913282][T16189] FAT-fs (loop5): bogus number of reserved sectors [ 248.919886][T16188] loop0: detected capacity change from 0 to 4096 [ 248.931348][T16192] loop4: detected capacity change from 0 to 4096 [ 248.941360][T16192] EXT4-fs (loop4): unsupported descriptor size 0 [ 248.941652][T16188] EXT4-fs (loop0): invalid first ino: 0 [ 248.948995][T16189] FAT-fs (loop5): Can't find a valid FAT filesystem [ 248.960381][ T3574] peak_usb: probe of 4-1:0.0 failed with error -71 [ 248.970038][ T3574] usb 4-1: USB disconnect, device number 60 [ 248.983312][T16202] loop1: detected capacity change from 0 to 264192 [ 248.991804][T16201] VFS: unable to find oldfs superblock on device loop2 20:55:40 executing program 4: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378", 0x1c, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 249.009803][T16202] FAT-fs (loop1): bogus number of reserved sectors [ 249.027592][T16202] FAT-fs (loop1): Can't find a valid FAT filesystem [ 249.048552][T16201] FAULT_INJECTION: forcing a failure. 20:55:40 executing program 0: pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004", 0x4d, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 249.048552][T16201] name failslab, interval 1, probability 0, space 0, times 0 [ 249.072289][T16189] loop5: detected capacity change from 0 to 1 [ 249.077500][T16222] loop4: detected capacity change from 0 to 4096 [ 249.085868][T16189] FAT-fs (loop5): bogus number of reserved sectors [ 249.124285][T16201] CPU: 0 PID: 16201 Comm: syz-executor.2 Not tainted 5.12.0-rc5-syzkaller #0 [ 249.129078][ T3239] ieee802154 phy0 wpan0: encryption failed: -22 [ 249.133079][T16201] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 249.139412][ T3239] ieee802154 phy1 wpan1: encryption failed: -22 [ 249.149366][T16201] Call Trace: [ 249.149378][T16201] dump_stack+0x137/0x19d [ 249.149405][T16201] should_fail+0x23c/0x250 [ 249.167611][T16201] ? loop_set_status_from_info+0x3a0/0x3a0 [ 249.173513][T16201] __should_failslab+0x81/0x90 [ 249.178367][T16201] ? __kthread_create_on_node+0x7a/0x270 [ 249.184167][T16201] should_failslab+0x5/0x20 [ 249.188681][T16201] kmem_cache_alloc_trace+0x49/0x340 [ 249.194041][T16201] ? find_inode_fast+0x223/0x250 [ 249.199011][T16201] ? loop_set_status_from_info+0x3a0/0x3a0 [ 249.204827][T16201] __kthread_create_on_node+0x7a/0x270 [ 249.210339][T16201] ? loop_set_status_from_info+0x3a0/0x3a0 [ 249.216137][T16201] kthread_create_on_node+0x72/0xa0 [ 249.221340][T16201] loop_configure+0x597/0xcb0 [ 249.226021][T16201] lo_ioctl+0x555/0x11f0 [ 249.230254][T16201] ? ___cache_free+0x3c/0x2f0 [ 249.234928][T16201] ? blkdev_common_ioctl+0xa36/0x10a0 [ 249.240429][T16201] ? lo_release+0x120/0x120 [ 249.244933][T16201] blkdev_ioctl+0x1d0/0x3c0 [ 249.249459][T16201] block_ioctl+0x6d/0x80 [ 249.253713][T16201] ? blkdev_iopoll+0x70/0x70 [ 249.258408][T16201] __se_sys_ioctl+0xcb/0x140 [ 249.262993][T16201] __x64_sys_ioctl+0x3f/0x50 [ 249.267576][T16201] do_syscall_64+0x39/0x80 [ 249.271990][T16201] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 249.277934][T16201] RIP: 0033:0x466217 [ 249.281833][T16201] Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 a4 48 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 249.301472][T16201] RSP: 002b:00007fd5688b1f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 249.309968][T16201] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 0000000000466217 20:55:40 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x40000800, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 249.317964][T16201] RDX: 0000000000000005 RSI: 0000000000004c00 RDI: 0000000000000006 [ 249.325977][T16201] RBP: 0000000000000006 R08: 0000000000000000 R09: ffffffffffffffff [ 249.334038][T16201] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 249.342001][T16201] R13: 0000000000000005 R14: 0000000020000218 R15: 0000000000000001 [ 249.351792][T16189] FAT-fs (loop5): Can't find a valid FAT filesystem 20:55:40 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x300, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:55:40 executing program 2 (fault-call:4 fault-nth:20): r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) [ 249.407394][T16236] loop0: detected capacity change from 0 to 4096 [ 249.409891][T16222] EXT4-fs (loop4): unsupported descriptor size 0 [ 249.440500][T16236] EXT4-fs (loop0): invalid first ino: 0 20:55:41 executing program 0: pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004", 0x4d, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 249.457984][T16241] loop1: detected capacity change from 0 to 264192 [ 249.508130][T16241] FAT-fs (loop1): bogus number of reserved sectors [ 249.521211][T16243] VFS: unable to find oldfs superblock on device loop2 [ 249.534473][T16241] FAT-fs (loop1): Can't find a valid FAT filesystem [ 249.542069][T16247] loop5: detected capacity change from 0 to 1 [ 249.566630][ T3574] usb 4-1: new high-speed USB device number 61 using dummy_hcd [ 249.574705][T16247] FAT-fs (loop5): bogus number of reserved sectors [ 249.583155][T16247] FAT-fs (loop5): Can't find a valid FAT filesystem [ 249.607557][T16259] FAULT_INJECTION: forcing a failure. [ 249.607557][T16259] name failslab, interval 1, probability 0, space 0, times 0 [ 249.620892][T16259] CPU: 1 PID: 16259 Comm: syz-executor.2 Not tainted 5.12.0-rc5-syzkaller #0 [ 249.629748][T16259] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 249.639834][T16259] Call Trace: [ 249.643142][T16259] dump_stack+0x137/0x19d [ 249.647491][T16259] should_fail+0x23c/0x250 [ 249.651991][T16259] ? __kernfs_new_node+0x73/0x360 [ 249.657104][T16259] __should_failslab+0x81/0x90 [ 249.659797][T16261] loop0: detected capacity change from 0 to 4096 [ 249.661885][T16259] should_failslab+0x5/0x20 [ 249.668471][T16241] loop1: detected capacity change from 0 to 264192 [ 249.672808][T16259] kmem_cache_alloc+0x46/0x320 [ 249.672831][T16259] ? select_idle_sibling+0x3be/0x550 [ 249.683989][T16261] EXT4-fs (loop0): invalid first ino: 0 [ 249.684046][T16259] __kernfs_new_node+0x73/0x360 [ 249.693037][T16241] FAT-fs (loop1): bogus number of reserved sectors [ 249.694839][T16259] ? rb_insert_color+0x7e/0x310 [ 249.694865][T16259] ? update_load_avg+0x1ad/0x2d0 [ 249.700600][T16241] FAT-fs (loop1): Can't find a valid FAT filesystem [ 249.706173][T16259] ? rb_insert_color+0x7e/0x310 [ 249.706199][T16259] kernfs_create_dir_ns+0x5e/0x140 [ 249.733509][T16259] internal_create_group+0x138/0x850 [ 249.738778][T16259] ? check_preempt_wakeup+0x1cb/0x370 [ 249.744156][T16259] sysfs_create_group+0x1b/0x20 [ 249.749004][T16259] loop_configure+0xa21/0xcb0 [ 249.753673][T16259] lo_ioctl+0x555/0x11f0 [ 249.757960][T16259] ? ___cache_free+0x3c/0x2f0 [ 249.762662][T16259] ? blkdev_common_ioctl+0xa36/0x10a0 [ 249.768041][T16259] ? lo_release+0x120/0x120 [ 249.772551][T16259] blkdev_ioctl+0x1d0/0x3c0 [ 249.777038][T16259] block_ioctl+0x6d/0x80 [ 249.781320][T16259] ? blkdev_iopoll+0x70/0x70 [ 249.785913][T16259] __se_sys_ioctl+0xcb/0x140 [ 249.790495][T16259] __x64_sys_ioctl+0x3f/0x50 [ 249.795064][T16259] do_syscall_64+0x39/0x80 [ 249.799463][T16259] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 249.805378][T16259] RIP: 0033:0x466217 [ 249.809307][T16259] Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 a4 48 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 249.828985][T16259] RSP: 002b:00007fd568890f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 249.837380][T16259] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 0000000000466217 [ 249.845366][T16259] RDX: 0000000000000007 RSI: 0000000000004c00 RDI: 0000000000000008 [ 249.853320][T16259] RBP: 0000000000000008 R08: 0000000000000000 R09: ffffffffffffffff [ 249.861273][T16259] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000007 [ 249.869295][T16259] R13: 0000000000000007 R14: 0000000020000218 R15: 0000000000000001 [ 249.878994][T16247] loop5: detected capacity change from 0 to 1 [ 249.883008][T16259] loop2: detected capacity change from 0 to 512 [ 249.885952][T16247] FAT-fs (loop5): bogus number of reserved sectors [ 249.893451][T16259] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 249.908914][T16259] EXT4-fs (loop2): group descriptors corrupted! [ 249.915607][T16247] FAT-fs (loop5): Can't find a valid FAT filesystem [ 250.026793][ T3574] usb 4-1: Using ep0 maxpacket: 8 [ 250.227388][ T3574] usb 4-1: unable to read config index 0 descriptor/start: -61 [ 250.238287][ T3574] usb 4-1: can't read configurations, error -61 [ 250.426646][ T3574] usb 4-1: new high-speed USB device number 62 using dummy_hcd [ 250.726664][ T3574] usb 4-1: Using ep0 maxpacket: 8 [ 250.896837][ T3574] usb 4-1: unable to read config index 0 descriptor/start: -61 [ 250.904472][ T3574] usb 4-1: can't read configurations, error -61 [ 250.910819][ T3574] usb usb4-port1: attempt power cycle [ 251.207303][ T2815] Bluetooth: hci3: command 0x0406 tx timeout [ 251.213412][ T2815] Bluetooth: hci4: command 0x0406 tx timeout [ 251.219425][ T2815] Bluetooth: hci5: command 0x0406 tx timeout [ 251.366671][ T2815] Bluetooth: hci0: command 0x0406 tx timeout [ 251.372820][ T2815] Bluetooth: hci1: command 0x0406 tx timeout [ 251.379302][ T2815] Bluetooth: hci2: command 0x0406 tx timeout [ 251.616842][ T3574] usb 4-1: new high-speed USB device number 63 using dummy_hcd [ 251.706775][ T3574] usb 4-1: Using ep0 maxpacket: 8 [ 251.866670][ T3574] usb 4-1: unable to read config index 0 descriptor/start: -61 [ 251.874267][ T3574] usb 4-1: can't read configurations, error -61 20:55:43 executing program 2 (fault-call:4 fault-nth:21): r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) 20:55:43 executing program 4: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378", 0x1c, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:55:43 executing program 0: pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004", 0x5a, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:55:43 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x5c000000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:55:43 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x385, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:55:43 executing program 3: openat(0xffffffffffffffff, 0x0, 0x0, 0x0) r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000080)={{0x12, 0x1, 0x0, 0xf6, 0xbe, 0xd8, 0x8, 0xc72, 0xd, 0x9bc9, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x9b, 0x10, 0x39}}]}}]}}, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000840)={0x44, &(0x7f0000000000)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io(r0, &(0x7f00000001c0)={0x2c, &(0x7f0000000000)={0x20, 0x3, 0x51, {0x51, 0x21, "8e546fd5569ac5a7fa36f5809569607f1136277ffb92f0aca43fb17a95c2da0c95b4a25f49ae13bc49f0a1f5128ab9e451140108107d7eb2df10cf801c8d1af5d2930f07bb4e91ec2040b5f9e30e25"}}, &(0x7f00000000c0)={0x0, 0x3, 0x4, @lang_id={0x4, 0x3, 0x1c01}}, &(0x7f0000000100)={0x0, 0xf, 0x23, {0x5, 0xf, 0x23, 0x2, [@ss_container_id={0x14, 0x10, 0x4, 0x0, "fd358980c0ee22e066587c0ec9e2d886"}, @ss_cap={0xa, 0x10, 0x3, 0x0, 0x3, 0x5, 0xaf, 0x8}]}}, &(0x7f0000000140)={0x20, 0x29, 0xf, {0xf, 0x29, 0xfc, 0x60, 0x8, 0x6f, "be9cbf5c", 'Jr`2'}}, &(0x7f0000000180)={0x20, 0x2a, 0xc, {0xc, 0x2a, 0xff, 0x0, 0x5, 0x7, 0x33, 0x200, 0x8}}}, &(0x7f0000000640)={0x84, &(0x7f0000000200)={0x40, 0x11, 0x62, "51e523f54e58ec3fe4464ba9acd2ed4e03a0bff1ddb0932a1e1faf8c272ed9d8aaba2d305de8ee99e8d2d5a8590281ab34abdca67f132812fa23dc2320fec7644eecff14b513a19f818fd69aec2f2a5cf2acd2d7c7ea745fce4b794adb03dee1efcf"}, &(0x7f0000000280)={0x0, 0xa, 0x1, 0x4}, &(0x7f00000002c0)={0x0, 0x8, 0x1}, &(0x7f0000000300)={0x20, 0x0, 0x4, {0x1}}, &(0x7f0000000340)={0x20, 0x0, 0x8, {0x1, 0x8, [0xf00f]}}, &(0x7f0000000380)={0x40, 0x7, 0x2, 0xffff}, &(0x7f00000003c0)={0x40, 0x9, 0x1, 0x7}, &(0x7f0000000400)={0x40, 0xb, 0x2, "e6ba"}, &(0x7f0000000440)={0x40, 0xf, 0x2, 0x2}, &(0x7f0000000480)={0x40, 0x13, 0x6, @broadcast}, &(0x7f00000004c0)={0x40, 0x17, 0x6, @local}, &(0x7f0000000500)={0x40, 0x19, 0x2, "3fc1"}, &(0x7f0000000540)={0x40, 0x1a, 0x2, 0x101}, &(0x7f0000000580)={0x40, 0x1c, 0x1}, &(0x7f00000005c0)={0x40, 0x1e, 0x1, 0x8}, &(0x7f0000000600)={0x40, 0x21, 0x1, 0x5}}) syz_usb_control_io$cdc_ncm(r0, &(0x7f0000000900)={0x14, &(0x7f0000000700)={0x40, 0x31, 0xed, {0xed, 0x30, "5c563e2e4bc774ccf033b4429ff9c7dfb6f4b55f12c6d6f1609c1074f6a51999c3ddadcc2ffa4e3735c40c89b49d78824c3ad93edaf6d647849f386de69c73c30cf6af8200b21da9024452bb7e5666cd53bfb2a09c0d2ffcb6cc68dd5a41cf4a84b5aad6ab0d9d0b61d23da6ae2bf04d7cb868ca55214a2fa309dbaa93c1712a96234df4f493fabaf6873bf25e821def522a994d837e5e9a1e176d6776642de2b07bab07416dcdf29867dfe1f4d9594ea8b70bb291f8b8b00dec46e699d9509f558411226b1150f34c01b0913ff06be0c90eedccb22cecf7d617b2ff234caac4ba89b507604a304552e266"}}, &(0x7f0000000800)={0x0, 0x3, 0x1a, {0x1a}}}, &(0x7f0000000bc0)={0x44, &(0x7f0000000940)={0x0, 0xb, 0xa5, "29af301060117ea9cc6408ec0ba2f5452c3476d728677ca5d16464f2a40f5dc15ab56083a29e762dd2c32b1ff43a5ac88bcdc94d4bd7ab63b6581fc8fc267a6cae6ad92d740599ef909b148432987edafd943eee3815b037374f3eae51af8c589ff27081e45eca2deced852f71f9881e8a1516fc1a2f4064c599dca1e9baf25947b733c08caa4feae22a2d4c92e874d0d756d2e3b3554eeea1887f12e7ddc669a214f808e6"}, &(0x7f0000000a00)={0x0, 0xa, 0x1, 0x81}, &(0x7f0000000a40)={0x0, 0x8, 0x1, 0x81}, &(0x7f0000000a80)={0x20, 0x80, 0x1c, {0x3f, 0x20c, 0xfffffffe, 0x7fff, 0x5, 0xfffd, 0xdc, 0xfffffffb, 0x3df6, 0x400, 0x3, 0x21}}, &(0x7f0000000ac0)={0x20, 0x85, 0x4, 0x1}, &(0x7f0000000b00)={0x20, 0x83, 0x2, 0x1}, &(0x7f0000000b40)={0x20, 0x87, 0x2, 0x5}, &(0x7f0000000b80)={0x20, 0x89, 0x2, 0x1}}) [ 251.975766][T16298] loop0: detected capacity change from 0 to 4096 [ 251.994373][T16298] EXT4-fs (loop0): fragment/cluster size (65536) != block size (4096) [ 251.994649][T16301] loop4: detected capacity change from 0 to 4096 [ 252.003196][T16306] loop1: detected capacity change from 0 to 264192 [ 252.011423][T16302] loop5: detected capacity change from 0 to 1 20:55:43 executing program 0: pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004", 0x5a, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 252.018972][T16306] FAT-fs (loop1): bogus number of reserved sectors [ 252.029000][T16303] VFS: unable to find oldfs superblock on device loop2 [ 252.029899][T16306] FAT-fs (loop1): Can't find a valid FAT filesystem [ 252.049812][T16302] FAT-fs (loop5): bogus number of reserved sectors [ 252.056412][T16302] FAT-fs (loop5): Can't find a valid FAT filesystem [ 252.069958][T16301] EXT4-fs (loop4): unsupported descriptor size 0 [ 252.094306][T16303] FAULT_INJECTION: forcing a failure. [ 252.094306][T16303] name failslab, interval 1, probability 0, space 0, times 0 [ 252.097791][T16306] loop1: detected capacity change from 0 to 264192 [ 252.115562][T16303] CPU: 1 PID: 16303 Comm: syz-executor.2 Not tainted 5.12.0-rc5-syzkaller #0 [ 252.118697][T16306] FAT-fs (loop1): bogus number of reserved sectors [ 252.124376][T16303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 252.124393][T16303] Call Trace: [ 252.124403][T16303] dump_stack+0x137/0x19d [ 252.134165][T16302] loop5: detected capacity change from 0 to 1 [ 252.140957][T16303] should_fail+0x23c/0x250 [ 252.146424][T16302] FAT-fs (loop5): bogus number of reserved sectors [ 252.148638][T16303] ? __kernfs_new_node+0x73/0x360 [ 252.148669][T16303] __should_failslab+0x81/0x90 [ 252.148689][T16303] should_failslab+0x5/0x20 [ 252.157832][T16302] FAT-fs (loop5): Can't find a valid FAT filesystem [ 252.159188][T16303] kmem_cache_alloc+0x46/0x320 [ 252.159214][T16303] __kernfs_new_node+0x73/0x360 [ 252.169828][T16306] FAT-fs (loop1): Can't find a valid FAT filesystem [ 252.173128][T16303] ? bpf_lsm_kernfs_init_security+0x5/0x10 [ 252.180793][T16324] loop0: detected capacity change from 0 to 4096 [ 252.182374][T16303] ? security_kernfs_init_security+0x7b/0x90 [ 252.182405][T16303] ? rb_insert_color+0x7e/0x310 [ 252.204588][T16324] EXT4-fs (loop0): fragment/cluster size (65536) != block size (4096) [ 252.205123][T16303] kernfs_new_node+0x5b/0xd0 [ 252.240695][T16303] __kernfs_create_file+0x45/0x1a0 [ 252.245807][T16303] sysfs_add_file_mode_ns+0x1c1/0x250 [ 252.251179][T16303] internal_create_group+0x2e4/0x850 [ 252.256446][T16303] sysfs_create_group+0x1b/0x20 [ 252.261284][T16303] loop_configure+0xa21/0xcb0 [ 252.265977][T16303] lo_ioctl+0x555/0x11f0 [ 252.270245][T16303] ? ___cache_free+0x3c/0x2f0 [ 252.275091][T16303] ? blkdev_common_ioctl+0xa36/0x10a0 [ 252.280503][T16303] ? lo_release+0x120/0x120 [ 252.286255][T16303] blkdev_ioctl+0x1d0/0x3c0 [ 252.290759][T16303] block_ioctl+0x6d/0x80 [ 252.295075][T16303] ? blkdev_iopoll+0x70/0x70 [ 252.299645][T16303] __se_sys_ioctl+0xcb/0x140 [ 252.304291][T16303] __x64_sys_ioctl+0x3f/0x50 [ 252.308880][T16303] do_syscall_64+0x39/0x80 [ 252.313333][T16303] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 252.319294][T16303] RIP: 0033:0x466217 [ 252.323182][T16303] Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 a4 48 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 252.326737][ T3574] usb 4-1: new high-speed USB device number 64 using dummy_hcd [ 252.342772][T16303] RSP: 002b:00007fd5688b1f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 252.342797][T16303] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 0000000000466217 [ 252.342810][T16303] RDX: 0000000000000005 RSI: 0000000000004c00 RDI: 0000000000000006 [ 252.374669][T16303] RBP: 0000000000000006 R08: 0000000000000000 R09: ffffffffffffffff [ 252.382712][T16303] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 20:55:43 executing program 4: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e5277033780100", 0x1e, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 252.390662][T16303] R13: 0000000000000005 R14: 0000000020000218 R15: 0000000000000001 [ 252.399361][T16303] loop2: detected capacity change from 0 to 512 20:55:43 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0xf6ffffff, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:55:43 executing program 0: pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004", 0x5a, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 252.436675][ T3574] usb 4-1: Using ep0 maxpacket: 8 [ 252.442131][T16303] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 252.457021][T16336] loop4: detected capacity change from 0 to 4096 [ 252.470503][T16336] EXT4-fs (loop4): unsupported descriptor size 0 20:55:43 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x3a6, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 252.482606][T16303] EXT4-fs (loop2): group descriptors corrupted! 20:55:44 executing program 4: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e5277033780100", 0x1e, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 252.527914][T16344] loop1: detected capacity change from 0 to 264192 [ 252.547635][T16353] loop5: detected capacity change from 0 to 1 [ 252.556682][ T3574] usb 4-1: New USB device found, idVendor=0c72, idProduct=000d, bcdDevice=9b.c9 [ 252.563708][T16353] FAT-fs (loop5): bogus number of reserved sectors [ 252.565753][ T3574] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 252.582555][T16353] FAT-fs (loop5): Can't find a valid FAT filesystem [ 252.589279][T16344] FAT-fs (loop1): bogus number of reserved sectors [ 252.596051][T16344] FAT-fs (loop1): Can't find a valid FAT filesystem [ 252.603224][T16350] loop0: detected capacity change from 0 to 4096 [ 252.605497][T16358] loop4: detected capacity change from 0 to 4096 [ 252.619841][ T3574] usb 4-1: config 0 descriptor?? 20:55:44 executing program 2 (fault-call:4 fault-nth:22): r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) [ 252.624889][T16358] EXT4-fs (loop4): unsupported descriptor size 0 [ 252.641134][T16353] loop5: detected capacity change from 0 to 1 [ 252.649054][T16353] FAT-fs (loop5): bogus number of reserved sectors [ 252.649056][T16350] EXT4-fs (loop0): fragment/cluster size (65536) != block size (4096) [ 252.670900][T16344] loop1: detected capacity change from 0 to 264192 20:55:44 executing program 4: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e5277033780100", 0x1e, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:55:44 executing program 0: pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000", 0x60, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 252.678657][T16353] FAT-fs (loop5): Can't find a valid FAT filesystem 20:55:44 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x3a7, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 252.726685][T16344] FAT-fs (loop1): bogus number of reserved sectors [ 252.744179][T16344] FAT-fs (loop1): Can't find a valid FAT filesystem [ 252.744232][T16381] loop4: detected capacity change from 0 to 4096 [ 252.769630][T16370] VFS: unable to find oldfs superblock on device loop2 [ 252.788459][T16381] EXT4-fs (loop4): unsupported descriptor size 0 [ 252.817374][T16391] loop0: detected capacity change from 0 to 4096 [ 252.824960][T16388] FAULT_INJECTION: forcing a failure. 20:55:44 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0xfcfdffff, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 252.824960][T16388] name failslab, interval 1, probability 0, space 0, times 0 [ 252.839511][T16391] EXT4-fs (loop0): fragment/cluster size (65536) != block size (4096) [ 252.848276][T16388] CPU: 0 PID: 16388 Comm: syz-executor.2 Not tainted 5.12.0-rc5-syzkaller #0 [ 252.849553][T16396] loop5: detected capacity change from 0 to 1 [ 252.857148][T16388] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 252.857164][T16388] Call Trace: [ 252.857173][T16388] dump_stack+0x137/0x19d [ 252.857202][T16388] should_fail+0x23c/0x250 [ 252.885257][T16388] ? __kernfs_new_node+0x73/0x360 [ 252.890310][T16388] __should_failslab+0x81/0x90 [ 252.895089][T16388] should_failslab+0x5/0x20 [ 252.899589][T16388] kmem_cache_alloc+0x46/0x320 [ 252.904346][T16388] __kernfs_new_node+0x73/0x360 [ 252.909200][T16388] ? kernfs_link_sibling+0x227/0x240 [ 252.914481][T16388] ? security_kernfs_init_security+0x7b/0x90 [ 252.920477][T16388] kernfs_new_node+0x5b/0xd0 [ 252.925196][T16388] __kernfs_create_file+0x45/0x1a0 [ 252.930317][T16388] sysfs_add_file_mode_ns+0x1c1/0x250 [ 252.935694][T16388] internal_create_group+0x2e4/0x850 [ 252.940994][T16388] sysfs_create_group+0x1b/0x20 [ 252.945845][T16388] loop_configure+0xa21/0xcb0 [ 252.950575][T16388] lo_ioctl+0x555/0x11f0 [ 252.954810][T16388] ? ___cache_free+0x3c/0x2f0 [ 252.959586][T16388] ? blkdev_common_ioctl+0xa36/0x10a0 [ 252.964971][T16388] ? lo_release+0x120/0x120 [ 252.969471][T16388] blkdev_ioctl+0x1d0/0x3c0 [ 252.973996][T16388] block_ioctl+0x6d/0x80 [ 252.978242][T16388] ? blkdev_iopoll+0x70/0x70 [ 252.983274][T16388] __se_sys_ioctl+0xcb/0x140 [ 252.987966][T16388] __x64_sys_ioctl+0x3f/0x50 [ 252.992576][T16388] do_syscall_64+0x39/0x80 [ 252.997044][T16388] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 253.002967][T16388] RIP: 0033:0x466217 [ 253.006853][T16388] Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 a4 48 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 253.026477][T16388] RSP: 002b:00007fd568890f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 253.034888][T16388] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 0000000000466217 [ 253.042919][T16388] RDX: 0000000000000004 RSI: 0000000000004c00 RDI: 0000000000000005 [ 253.050888][T16388] RBP: 0000000000000005 R08: 0000000000000000 R09: ffffffffffffffff [ 253.058859][T16388] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 253.066878][T16388] R13: 0000000000000004 R14: 0000000020000218 R15: 0000000000000001 [ 253.076201][T16388] loop2: detected capacity change from 0 to 512 [ 253.085643][T16388] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 253.096452][T16388] EXT4-fs (loop2): group descriptors corrupted! [ 253.138519][T16396] FAT-fs (loop5): bogus number of reserved sectors [ 253.157850][T16396] FAT-fs (loop5): Can't find a valid FAT filesystem [ 253.165671][T16406] loop1: detected capacity change from 0 to 264192 [ 253.182493][T16406] FAT-fs (loop1): bogus number of reserved sectors [ 253.192266][T16406] FAT-fs (loop1): Can't find a valid FAT filesystem [ 253.218291][T16396] loop5: detected capacity change from 0 to 1 [ 253.225261][T16396] FAT-fs (loop5): bogus number of reserved sectors [ 253.234336][T16396] FAT-fs (loop5): Can't find a valid FAT filesystem [ 253.242350][T16406] loop1: detected capacity change from 0 to 264192 [ 253.251437][T16406] FAT-fs (loop1): bogus number of reserved sectors [ 253.258399][T16406] FAT-fs (loop1): Can't find a valid FAT filesystem [ 253.526706][ T3574] peak_usb 4-1:0.0: PEAK-System PCAN-USB Pro hwrev 2360287006 serial 4EEDD2AC.F1BFA003 (2 channels) [ 253.540182][ T3574] peak_usb 4-1:0.0 can0: sending command failure: -22 [ 253.569259][ T3574] peak_usb 4-1:0.0 can0: sending command failure: -22 [ 253.626824][ T3574] peak_usb: probe of 4-1:0.0 failed with error -22 [ 253.738661][ T7] usb 4-1: USB disconnect, device number 64 [ 254.516725][ T9516] usb 4-1: new high-speed USB device number 65 using dummy_hcd 20:55:46 executing program 3: r0 = openat(0xffffffffffffffff, 0x0, 0x0, 0x0) setsockopt$IP6T_SO_SET_REPLACE(r0, 0x29, 0x40, &(0x7f00000000c0)=@filter={'filter\x00', 0xe, 0x4, 0x480, 0xffffffff, 0xd0, 0x268, 0xd0, 0xffffffff, 0xffffffff, 0x3b0, 0x3b0, 0x3b0, 0xffffffff, 0x4, &(0x7f0000000000), {[{{@uncond, 0x0, 0xa8, 0xd0}, @REJECT={0x28, 'REJECT\x00', 0x0, {0x8}}}, {{@uncond, 0x0, 0x170, 0x198, 0x0, {}, [@common=@unspec=@time={{0x38, 'time\x00'}, {0x0, 0x80000000, 0x5, 0x1017b, 0x1, 0x1e, 0x1}}, @common=@srh1={{0x90, 'srh\x00'}, {0x3a, 0xff, 0x6, 0x7d, 0x3000, @initdev={0xfe, 0x88, [], 0x0, 0x0}, @private1, @dev={0xfe, 0x80, [], 0x2b}, [0xffffff00, 0x0, 0xff000000], [0xff, 0xff], [0xff, 0xff000000, 0xffffffff], 0x414, 0x17}}]}, @common=@inet=@SYNPROXY={0x28, 'SYNPROXY\x00', 0x0, {0x14, 0x6, 0x1}}}, {{@ipv6={@loopback, @mcast2, [0xffffffff, 0xff000000, 0xffffff00, 0xffffff00], [0xffffffff, 0x0, 0x0, 0xffffffff], 'veth0_to_hsr\x00', 'ipvlan0\x00', {}, {0xff}, 0x5c, 0x8b, 0x7}, 0x0, 0x100, 0x148, 0x0, {}, [@common=@ah={{0x30, 'ah\x00'}, {[0x4d5, 0x4d2], 0x10000, 0x7, 0x1}}, @common=@eui64={{0x28, 'eui64\x00'}}]}, @common=@inet=@TEE={0x48, 'TEE\x00', 0x1, {@ipv6=@initdev={0xfe, 0x88, [], 0x0, 0x0}, 'ip6gre0\x00', {0x8}}}}], {{[], 0x0, 0xa8, 0xd0}, {0x28}}}}, 0x4e0) r1 = syz_usb_connect(0x0, 0x24, &(0x7f0000000080)={{0x12, 0x1, 0x0, 0xf6, 0xbe, 0xd8, 0x8, 0xc72, 0xd, 0x9bc9, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x9b, 0x10, 0x39}}]}}]}}, 0x0) syz_usb_control_io(r1, 0x0, &(0x7f0000000840)={0x44, &(0x7f0000000000)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) 20:55:46 executing program 4: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:55:46 executing program 0: pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000", 0x60, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:55:46 executing program 2 (fault-call:4 fault-nth:23): r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) 20:55:46 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x3a8, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:55:46 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0xfdfdffff, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 254.651590][T16455] loop1: detected capacity change from 0 to 264192 [ 254.668347][T16457] VFS: unable to find oldfs superblock on device loop2 [ 254.669180][T16456] loop0: detected capacity change from 0 to 4096 [ 254.675531][T16455] FAT-fs (loop1): bogus number of reserved sectors [ 254.691957][T16461] loop5: detected capacity change from 0 to 1 [ 254.693640][T16455] FAT-fs (loop1): Can't find a valid FAT filesystem [ 254.698512][T16464] loop4: detected capacity change from 0 to 4096 [ 254.711673][T16456] EXT4-fs (loop0): fragment/cluster size (65536) != block size (4096) [ 254.721445][T16461] FAT-fs (loop5): bogus number of reserved sectors [ 254.729412][T16461] FAT-fs (loop5): Can't find a valid FAT filesystem [ 254.736064][T16464] EXT4-fs (loop4): unsupported descriptor size 0 20:55:46 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x3a9, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:55:46 executing program 0: pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000", 0x60, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 254.753906][T16455] loop1: detected capacity change from 0 to 264192 [ 254.779362][T16457] FAULT_INJECTION: forcing a failure. [ 254.779362][T16457] name failslab, interval 1, probability 0, space 0, times 0 [ 254.792113][T16457] CPU: 1 PID: 16457 Comm: syz-executor.2 Not tainted 5.12.0-rc5-syzkaller #0 [ 254.800880][T16457] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 254.811114][T16457] Call Trace: [ 254.814392][T16457] dump_stack+0x137/0x19d [ 254.818782][T16457] should_fail+0x23c/0x250 [ 254.823181][T16457] ? __kernfs_new_node+0x73/0x360 [ 254.828191][T16457] __should_failslab+0x81/0x90 [ 254.832961][T16457] should_failslab+0x5/0x20 [ 254.837480][T16457] kmem_cache_alloc+0x46/0x320 [ 254.842237][T16457] __kernfs_new_node+0x73/0x360 [ 254.847130][T16457] ? kernfs_link_sibling+0x227/0x240 [ 254.852402][T16457] kernfs_new_node+0x5b/0xd0 [ 254.857063][T16457] __kernfs_create_file+0x45/0x1a0 [ 254.862158][T16457] sysfs_add_file_mode_ns+0x1c1/0x250 [ 254.867516][T16457] internal_create_group+0x2e4/0x850 [ 254.872815][T16457] sysfs_create_group+0x1b/0x20 [ 254.877718][T16457] loop_configure+0xa21/0xcb0 [ 254.882387][T16457] lo_ioctl+0x555/0x11f0 [ 254.886621][T16457] ? ___cache_free+0x3c/0x2f0 [ 254.891303][T16457] ? blkdev_common_ioctl+0xa36/0x10a0 [ 254.896686][T16457] ? lo_release+0x120/0x120 [ 254.901195][T16457] blkdev_ioctl+0x1d0/0x3c0 [ 254.905850][T16457] block_ioctl+0x6d/0x80 [ 254.910074][T16457] ? blkdev_iopoll+0x70/0x70 [ 254.914656][T16457] __se_sys_ioctl+0xcb/0x140 [ 254.919336][T16457] __x64_sys_ioctl+0x3f/0x50 [ 254.923908][T16457] do_syscall_64+0x39/0x80 [ 254.928445][T16457] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 254.934325][T16457] RIP: 0033:0x466217 [ 254.938300][T16457] Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 a4 48 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 254.957891][T16457] RSP: 002b:00007fd5688b1f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 254.966286][T16457] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 0000000000466217 [ 254.974299][T16457] RDX: 0000000000000005 RSI: 0000000000004c00 RDI: 0000000000000006 [ 254.982442][T16457] RBP: 0000000000000006 R08: 0000000000000000 R09: ffffffffffffffff [ 254.990410][T16457] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 254.998395][T16457] R13: 0000000000000005 R14: 0000000020000218 R15: 0000000000000001 [ 255.010129][T16457] loop2: detected capacity change from 0 to 512 [ 255.017190][T16457] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! 20:55:46 executing program 4: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 255.046666][T16455] FAT-fs (loop1): bogus number of reserved sectors [ 255.054404][T16455] FAT-fs (loop1): Can't find a valid FAT filesystem [ 255.069966][T16457] EXT4-fs (loop2): group descriptors corrupted! 20:55:46 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0xfeffffff, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 255.124326][T16489] loop0: detected capacity change from 0 to 4096 [ 255.130786][ T9516] usb 4-1: Using ep0 maxpacket: 8 [ 255.139543][T16490] loop5: detected capacity change from 0 to 1 [ 255.151009][T16490] FAT-fs (loop5): bogus number of reserved sectors [ 255.159973][T16496] loop4: detected capacity change from 0 to 4096 20:55:46 executing program 2 (fault-call:4 fault-nth:24): r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) [ 255.169523][T16490] FAT-fs (loop5): Can't find a valid FAT filesystem [ 255.203097][T16489] EXT4-fs (loop0): fragment/cluster size (65536) != block size (4096) [ 255.216633][T16496] EXT4-fs (loop4): unsupported descriptor size 0 [ 255.234994][T16505] VFS: unable to find oldfs superblock on device loop2 [ 255.243521][T16509] loop1: detected capacity change from 0 to 264192 [ 255.256245][T16509] FAT-fs (loop1): bogus number of reserved sectors [ 255.263060][T16509] FAT-fs (loop1): Can't find a valid FAT filesystem [ 255.271386][T16490] loop5: detected capacity change from 0 to 1 [ 255.280148][T16490] FAT-fs (loop5): bogus number of reserved sectors [ 255.287160][ T9516] usb 4-1: New USB device found, idVendor=0c72, idProduct=000d, bcdDevice=9b.c9 [ 255.289674][T16490] FAT-fs (loop5): Can't find a valid FAT filesystem 20:55:46 executing program 4: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 255.296209][ T9516] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 255.315107][ T9516] usb 4-1: config 0 descriptor?? [ 255.323995][T16517] FAULT_INJECTION: forcing a failure. [ 255.323995][T16517] name failslab, interval 1, probability 0, space 0, times 0 [ 255.336655][T16517] CPU: 1 PID: 16517 Comm: syz-executor.2 Not tainted 5.12.0-rc5-syzkaller #0 [ 255.345455][T16517] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 255.355563][T16517] Call Trace: [ 255.358841][T16517] dump_stack+0x137/0x19d [ 255.363286][T16517] should_fail+0x23c/0x250 [ 255.367711][T16517] ? radix_tree_node_alloc+0x154/0x1f0 [ 255.373201][T16517] __should_failslab+0x81/0x90 [ 255.378040][T16517] should_failslab+0x5/0x20 [ 255.378142][T16517] kmem_cache_alloc+0x46/0x320 [ 255.378160][T16517] ? __inc_numa_state+0x10/0x50 [ 255.378179][T16517] radix_tree_node_alloc+0x154/0x1f0 [ 255.378199][T16517] ? delete_node+0x45c/0x480 [ 255.378217][T16517] idr_get_free+0x22a/0x5d0 [ 255.407075][T16517] ? radix_tree_iter_tag_clear+0xe4/0x150 [ 255.412815][T16517] idr_alloc_cyclic+0xe3/0x2d0 [ 255.417574][T16517] ? __radix_tree_preload+0x19e/0x1c0 [ 255.422925][T16517] __kernfs_new_node+0xbd/0x360 [ 255.427774][T16517] ? kernfs_link_sibling+0x227/0x240 [ 255.433213][T16517] kernfs_new_node+0x5b/0xd0 [ 255.437830][T16517] __kernfs_create_file+0x45/0x1a0 [ 255.442932][T16517] sysfs_add_file_mode_ns+0x1c1/0x250 [ 255.448322][T16517] internal_create_group+0x2e4/0x850 [ 255.453591][T16517] sysfs_create_group+0x1b/0x20 [ 255.458442][T16517] loop_configure+0xa21/0xcb0 [ 255.463098][T16517] lo_ioctl+0x555/0x11f0 [ 255.467378][T16517] ? ___cache_free+0x3c/0x2f0 [ 255.472036][T16517] ? blkdev_common_ioctl+0xa36/0x10a0 [ 255.477388][T16517] ? lo_release+0x120/0x120 [ 255.481869][T16517] blkdev_ioctl+0x1d0/0x3c0 [ 255.486372][T16517] block_ioctl+0x6d/0x80 [ 255.490596][T16517] ? blkdev_iopoll+0x70/0x70 [ 255.495165][T16517] __se_sys_ioctl+0xcb/0x140 [ 255.499737][T16517] __x64_sys_ioctl+0x3f/0x50 [ 255.505274][T16517] do_syscall_64+0x39/0x80 [ 255.509705][T16517] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 255.515689][T16517] RIP: 0033:0x466217 [ 255.519562][T16517] Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 a4 48 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 255.539151][T16517] RSP: 002b:00007fd568890f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 255.547549][T16517] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 0000000000466217 [ 255.555563][T16517] RDX: 0000000000000007 RSI: 0000000000004c00 RDI: 0000000000000008 [ 255.563583][T16517] RBP: 0000000000000008 R08: 0000000000000000 R09: ffffffffffffffff [ 255.571567][T16517] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000007 [ 255.579518][T16517] R13: 0000000000000007 R14: 0000000020000218 R15: 0000000000000001 [ 255.611668][T16523] loop4: detected capacity change from 0 to 4096 [ 255.622337][T16523] EXT4-fs (loop4): unsupported descriptor size 0 [ 255.626736][T16509] loop1: detected capacity change from 0 to 264192 [ 255.636011][T16517] loop2: detected capacity change from 0 to 512 [ 255.645061][T16509] FAT-fs (loop1): bogus number of reserved sectors [ 255.652609][T16509] FAT-fs (loop1): Can't find a valid FAT filesystem [ 255.675047][T16517] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 255.722964][T16517] EXT4-fs (loop2): group descriptors corrupted! [ 256.046661][ T9516] peak_usb 4-1:0.0 can0: unable to request usb[type=0 value=0] err=-71 [ 256.054967][ T9516] peak_usb 4-1:0.0: unable to read PCAN-USB Pro bootloader info (err -71) [ 256.106721][ T9516] peak_usb: probe of 4-1:0.0 failed with error -71 [ 256.116228][ T9516] usb 4-1: USB disconnect, device number 65 [ 256.796689][ T9516] usb 4-1: new high-speed USB device number 66 using dummy_hcd [ 257.056671][ T9516] usb 4-1: Using ep0 maxpacket: 8 [ 257.196872][ T9516] usb 4-1: New USB device found, idVendor=0c72, idProduct=000d, bcdDevice=9b.c9 [ 257.205986][ T9516] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 257.215139][ T9516] usb 4-1: config 0 descriptor?? 20:55:48 executing program 3: openat(0xffffffffffffffff, 0x0, 0x0, 0x0) r0 = syz_usb_connect(0x0, 0x3f0, &(0x7f00000000c0)={{0x12, 0x1, 0x0, 0x92, 0x20, 0x7e, 0x8, 0x13d3, 0x3340, 0xf16e, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x3de, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x1b, 0x0, 0xa, 0x45, 0x47, 0x9d, 0x0, [], [{{0x9, 0x5, 0x80, 0x0, 0x20, 0x7, 0x5, 0x6}}, {{0x9, 0x5, 0x5, 0x10, 0x470, 0x0, 0x9, 0x8, [@generic={0xbb, 0xb, "b91c84deceb9af9d23908d7fb73354ba2371ed95da363f5ff28541a74cfa02b9cee0984f472151d79838e1b1395a5e3a51c83ddd8b35863f76270028213d220d8bbb120b6f690d6993baaa38cdf759cde92a8ede1638d27a4d8e2247fc6213d792a60d671b389332e03d6d36d4760928dd5cf68bceeac99f7c8e1885892b23dcca6739195b2a646de2c84ecc0ba251bcccf87f36542bd83d9d66209f8ef886d769c8d01861d7015fb39ea4a5c9ce5ba8911a8defa541a3d4f7"}, @uac_iso={0x7, 0x25, 0x1, 0x1, 0x87}]}}, {{0x9, 0x5, 0x1, 0x8, 0x400, 0x59, 0x6, 0x8, [@generic={0xe9, 0x2, "d9bed38155242f27713f4c0b3cfb22d4594a583d58683dcf2a2761d72f19d538cddea214c6789711d679c9cba9eef89b18a94c5b6cf25bc20a6b0793a863abe34a4e72eb3ee85099d298e6cb9155a29f55024dc3a747692a8e9176e253bbef93fdfaa56d80313b4836184bdfa2b8e56f99a4ecd85a9c98b85430e30ff3724c250c173dda4b32ea78bfa0e16b04bc361f01949f8db567577f4dbb795965fb8d4ca92ab84a31cc079e62007c72a83e5032848a9e1d3041c9f0d1d49fac9a0bc5357db9287fdad01a0311e6f651632265b495cd0c130e2121987d5306e5c352e121362f695e5cfe3e"}, @uac_iso={0x7, 0x25, 0x1, 0x0, 0x5, 0x8}]}}, {{0x9, 0x5, 0x0, 0x0, 0x8, 0x6, 0x4, 0x6, [@uac_iso={0x7, 0x25, 0x1, 0x1, 0x7, 0x1ff}]}}, {{0x9, 0x5, 0x5, 0x12, 0x40, 0x7, 0x3f, 0x7f, [@generic={0xe8, 0x23, "c27459bc346b9408cb5f1f7af66f2d67282016451039af11bdf9ee7a189d947d79041f4d1a7e833c3ae0d96bc7a6cb97d50c9f920b9281b391dcf8aad9728b5ced7506f4ecaf8c226d83c110f78192a45e1b7070cad17c18eaed96f675bca17ba31d9bd7643cc4b99ad971311dabb43fa0981e1bae187c336813443d5ff6e7a9fd1f9cc723c6909b13634ce34f532d25da2b8d91f2c398e2f9ebc1150c6c8b6fee76bdec9d6982b98762ab71947804aa41a1d0a919f3bc3d86aa7b54c5361a35ac152fe8b5bfe6363a5525b69b66ab0e4b1325c60c670fb20a83aac65579acb7feb3446e8e2f"}, @generic={0x5, 0x1, "bd3b60"}]}}, {{0x9, 0x5, 0xb, 0x10, 0x3ff, 0x1f, 0x1a}}, {{0x9, 0x5, 0xf, 0x2, 0x20, 0x4d, 0x1f, 0x81, [@uac_iso={0x7, 0x25, 0x1, 0x0, 0x1, 0x3ff}]}}, {{0x9, 0x5, 0x8, 0x8, 0x8, 0xe7, 0x0, 0x6, [@uac_iso={0x7, 0x25, 0x1, 0x1, 0x0, 0xff}, @uac_iso={0x7, 0x25, 0x1, 0x80, 0xb8, 0x1ff}]}}, {{0x9, 0x5, 0xb, 0x0, 0x10, 0x1, 0x37, 0x80, [@uac_iso={0x7, 0x25, 0x1, 0x83, 0x8, 0x5}]}}, {{0x9, 0x5, 0x3, 0x0, 0x200, 0x6, 0x8, 0x6, [@generic={0xf, 0x6, "fe9920e974d8ed8c74ec728262"}, @generic={0xa1, 0x23, "283b628414d06042b3a874f390b51130b84be3352bf215fe0a15427694741e28389d7fa18e060cdc01ef753436fd3b4d702d3e7c80043450f5641238f1a163eb2256dc37c9260efc5fd759a1c0195ee30b81f77dab60719331a2f1dd63618ef4bffbe0b8d591814bc9252a3b075e4380ab6ca037bd718f94c502d4896189843513000df8d6ce4ed73048942379c5a13d55893a04f5c4cb41e7accbd8cffd17"}]}}]}}]}}]}}, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000840)={0x44, &(0x7f0000000000)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) 20:55:48 executing program 0: pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200", 0x63, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:55:48 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x3aa, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:55:48 executing program 4: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x3, &(0x7f0000000200)=[{&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:55:48 executing program 2 (fault-call:4 fault-nth:25): r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) 20:55:48 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0xfffffdfc, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 257.486674][ T9516] peak_usb 4-1:0.0 can0: unable to request usb[type=0 value=1] err=-71 [ 257.509246][ T9516] peak_usb 4-1:0.0: unable to read PCAN-USB Pro firmware info (err -71) [ 257.534328][T16578] loop0: detected capacity change from 0 to 4096 [ 257.541152][T16579] loop1: detected capacity change from 0 to 264192 [ 257.552175][T16578] EXT4-fs (loop0): fragment/cluster size (65536) != block size (4096) [ 257.560496][T16583] loop4: detected capacity change from 0 to 4096 [ 257.569870][T16579] FAT-fs (loop1): bogus number of reserved sectors [ 257.572216][T16583] EXT4-fs (loop4): VFS: Can't find ext4 filesystem [ 257.579451][T16588] loop5: detected capacity change from 0 to 1 [ 257.590172][T16587] VFS: unable to find oldfs superblock on device loop2 [ 257.600048][T16579] FAT-fs (loop1): Can't find a valid FAT filesystem [ 257.600569][T16588] FAT-fs (loop5): bogus number of reserved sectors [ 257.613222][ T9516] peak_usb: probe of 4-1:0.0 failed with error -71 [ 257.622613][ T9516] usb 4-1: USB disconnect, device number 66 20:55:49 executing program 4: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x3, &(0x7f0000000200)=[{&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 257.637332][T16588] FAT-fs (loop5): Can't find a valid FAT filesystem [ 257.656729][T16587] FAULT_INJECTION: forcing a failure. [ 257.656729][T16587] name failslab, interval 1, probability 0, space 0, times 0 [ 257.670581][T16587] CPU: 1 PID: 16587 Comm: syz-executor.2 Not tainted 5.12.0-rc5-syzkaller #0 20:55:49 executing program 0: pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200", 0x63, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 257.679357][T16587] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 257.689416][T16587] Call Trace: [ 257.692714][T16587] dump_stack+0x137/0x19d [ 257.697097][T16587] should_fail+0x23c/0x250 [ 257.701625][T16587] ? __kernfs_new_node+0x73/0x360 [ 257.706739][T16587] __should_failslab+0x81/0x90 [ 257.711611][T16587] should_failslab+0x5/0x20 [ 257.716199][T16587] kmem_cache_alloc+0x46/0x320 [ 257.720962][T16587] __kernfs_new_node+0x73/0x360 [ 257.725823][T16587] ? kernfs_link_sibling+0x227/0x240 [ 257.731160][T16587] kernfs_new_node+0x5b/0xd0 [ 257.735778][T16587] __kernfs_create_file+0x45/0x1a0 [ 257.740892][T16587] sysfs_add_file_mode_ns+0x1c1/0x250 [ 257.746276][T16587] internal_create_group+0x2e4/0x850 [ 257.751584][T16587] sysfs_create_group+0x1b/0x20 [ 257.756444][T16587] loop_configure+0xa21/0xcb0 [ 257.761207][T16587] lo_ioctl+0x555/0x11f0 [ 257.765477][T16587] ? ___cache_free+0x3c/0x2f0 [ 257.768783][T16611] loop4: detected capacity change from 0 to 4096 [ 257.770168][T16587] ? blkdev_common_ioctl+0xa36/0x10a0 [ 257.781970][T16587] ? lo_release+0x120/0x120 [ 257.783691][T16614] loop0: detected capacity change from 0 to 4096 [ 257.786470][T16587] blkdev_ioctl+0x1d0/0x3c0 [ 257.786501][T16587] block_ioctl+0x6d/0x80 [ 257.800906][T16611] EXT4-fs (loop4): VFS: Can't find ext4 filesystem [ 257.801612][T16587] ? blkdev_iopoll+0x70/0x70 [ 257.812614][T16587] __se_sys_ioctl+0xcb/0x140 [ 257.817209][T16587] __x64_sys_ioctl+0x3f/0x50 [ 257.821809][T16587] do_syscall_64+0x39/0x80 [ 257.826234][T16587] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 257.832209][T16587] RIP: 0033:0x466217 [ 257.836101][T16587] Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 a4 48 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 257.855745][T16587] RSP: 002b:00007fd5688b1f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 257.864169][T16587] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 0000000000466217 [ 257.872184][T16587] RDX: 0000000000000005 RSI: 0000000000004c00 RDI: 0000000000000006 [ 257.880157][T16587] RBP: 0000000000000006 R08: 0000000000000000 R09: ffffffffffffffff [ 257.888214][T16587] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 257.896213][T16587] R13: 0000000000000005 R14: 0000000020000218 R15: 0000000000000001 [ 257.904703][T16587] loop2: detected capacity change from 0 to 512 [ 257.914030][T16614] EXT4-fs (loop0): fragment/cluster size (65536) != block size (4096) 20:55:49 executing program 4: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x3, &(0x7f0000000200)=[{&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 257.943357][T16587] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 257.954282][T16588] loop5: detected capacity change from 0 to 1 [ 257.959380][T16587] EXT4-fs (loop2): group descriptors corrupted! [ 257.968852][T16579] loop1: detected capacity change from 0 to 264192 20:55:49 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0xfffffdfd, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:55:49 executing program 0: pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200", 0x63, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 257.988755][T16588] FAT-fs (loop5): bogus number of reserved sectors [ 257.995503][T16588] FAT-fs (loop5): Can't find a valid FAT filesystem [ 258.003449][T16579] FAT-fs (loop1): bogus number of reserved sectors [ 258.022309][T16579] FAT-fs (loop1): Can't find a valid FAT filesystem 20:55:49 executing program 2 (fault-call:4 fault-nth:26): r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) [ 258.139558][T16641] loop4: detected capacity change from 0 to 4096 [ 258.182749][T16644] loop0: detected capacity change from 0 to 4096 [ 258.195427][T16641] EXT4-fs (loop4): VFS: Can't find ext4 filesystem [ 258.216708][T16648] VFS: unable to find oldfs superblock on device loop2 [ 258.236653][ T9516] usb 4-1: new high-speed USB device number 67 using dummy_hcd [ 258.278559][T16648] FAULT_INJECTION: forcing a failure. [ 258.278559][T16648] name failslab, interval 1, probability 0, space 0, times 0 [ 258.291533][T16644] EXT4-fs (loop0): fragment/cluster size (65536) != block size (4096) [ 258.297884][T16648] CPU: 1 PID: 16648 Comm: syz-executor.2 Not tainted 5.12.0-rc5-syzkaller #0 [ 258.308499][T16648] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 258.318577][T16648] Call Trace: [ 258.321857][T16648] dump_stack+0x137/0x19d [ 258.326194][T16648] should_fail+0x23c/0x250 [ 258.330619][T16648] ? __kernfs_new_node+0x73/0x360 [ 258.335759][T16648] __should_failslab+0x81/0x90 [ 258.340544][T16648] should_failslab+0x5/0x20 [ 258.345210][T16648] kmem_cache_alloc+0x46/0x320 [ 258.349982][T16648] __kernfs_new_node+0x73/0x360 [ 258.354848][T16648] ? kernfs_link_sibling+0x227/0x240 [ 258.361262][T16648] kernfs_new_node+0x5b/0xd0 [ 258.365862][T16648] __kernfs_create_file+0x45/0x1a0 [ 258.370977][T16648] sysfs_add_file_mode_ns+0x1c1/0x250 [ 258.376356][T16648] internal_create_group+0x2e4/0x850 [ 258.381649][T16648] sysfs_create_group+0x1b/0x20 [ 258.386509][T16648] loop_configure+0xa21/0xcb0 [ 258.391202][T16648] lo_ioctl+0x555/0x11f0 [ 258.395553][T16648] ? ___cache_free+0x3c/0x2f0 [ 258.400242][T16648] ? blkdev_common_ioctl+0xa36/0x10a0 [ 258.405629][T16648] ? lo_release+0x120/0x120 [ 258.410242][T16648] blkdev_ioctl+0x1d0/0x3c0 [ 258.414758][T16648] block_ioctl+0x6d/0x80 [ 258.419020][T16648] ? blkdev_iopoll+0x70/0x70 [ 258.423682][T16648] __se_sys_ioctl+0xcb/0x140 [ 258.428379][T16648] __x64_sys_ioctl+0x3f/0x50 [ 258.433012][T16648] do_syscall_64+0x39/0x80 [ 258.437494][T16648] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 258.443428][T16648] RIP: 0033:0x466217 [ 258.447357][T16648] Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 a4 48 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 258.466999][T16648] RSP: 002b:00007fd5688b1f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 258.475417][T16648] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 0000000000466217 [ 258.483389][T16648] RDX: 0000000000000005 RSI: 0000000000004c00 RDI: 0000000000000006 [ 258.491435][T16648] RBP: 0000000000000006 R08: 0000000000000000 R09: ffffffffffffffff [ 258.499410][T16648] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 258.507387][T16648] R13: 0000000000000005 R14: 0000000020000218 R15: 0000000000000001 [ 258.522569][T16648] loop2: detected capacity change from 0 to 512 [ 258.542534][T16648] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 258.558092][T16648] EXT4-fs (loop2): group descriptors corrupted! [ 258.656678][ T9516] usb 4-1: Using ep0 maxpacket: 8 [ 258.788245][ T9516] usb 4-1: config 0 has an invalid interface number: 27 but max is 0 [ 258.796371][ T9516] usb 4-1: config 0 contains an unexpected descriptor of type 0x2, skipping [ 258.832398][ T9516] usb 4-1: config 0 contains an unexpected descriptor of type 0x1, skipping [ 258.851308][ T9516] usb 4-1: config 0 has no interface number 0 [ 258.865166][ T9516] usb 4-1: config 0 interface 27 altsetting 0 has an invalid endpoint with address 0x80, skipping [ 258.890736][ T9516] usb 4-1: config 0 interface 27 altsetting 0 endpoint 0x5 has invalid maxpacket 1136, setting to 64 [ 258.914371][ T9516] usb 4-1: config 0 interface 27 altsetting 0 endpoint 0x1 has invalid maxpacket 1024, setting to 64 [ 258.940613][ T9516] usb 4-1: config 0 interface 27 altsetting 0 has an invalid endpoint with address 0x0, skipping [ 258.970574][ T9516] usb 4-1: config 0 interface 27 altsetting 0 has a duplicate endpoint with address 0x5, skipping [ 258.997103][ T9516] usb 4-1: config 0 interface 27 altsetting 0 endpoint 0xB has invalid maxpacket 1023, setting to 64 [ 259.017138][ T9516] usb 4-1: config 0 interface 27 altsetting 0 bulk endpoint 0xF has invalid maxpacket 32 [ 259.037203][ T9516] usb 4-1: config 0 interface 27 altsetting 0 has a duplicate endpoint with address 0xB, skipping [ 259.067787][ T9516] usb 4-1: config 0 interface 27 altsetting 0 endpoint 0x3 has invalid maxpacket 512, setting to 64 [ 259.084758][ T9516] usb 4-1: New USB device found, idVendor=13d3, idProduct=3340, bcdDevice=f1.6e [ 259.108035][ T9516] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 259.128502][ T9516] usb 4-1: config 0 descriptor?? [ 259.148408][T16581] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 259.155730][T16581] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 259.189124][ T9516] r8712u: register rtl8712_netdev_ops to netdev_ops [ 259.195745][ T9516] usb 4-1: r8712u: USB_SPEED_HIGH with 6 endpoints [ 259.296690][ T9516] usb 4-1: r8712u: Boot from EEPROM: Autoload OK 20:55:51 executing program 3: r0 = openat(0xffffffffffffffff, 0x0, 0x0, 0x0) r1 = syz_usb_connect(0x0, 0x24, &(0x7f0000000080)={{0x12, 0x1, 0x0, 0xf6, 0xbe, 0xd8, 0x8, 0xc72, 0xd, 0x9bc9, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x9b, 0x10, 0x39}}]}}]}}, 0x0) mknodat$loop(r0, &(0x7f0000000000)='./file0\x00', 0x200, 0x1) syz_usb_control_io(r1, 0x0, &(0x7f0000000840)={0x44, &(0x7f0000000000)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) 20:55:51 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x3ab, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:55:51 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0xffffff7f, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:55:51 executing program 4: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{0x0, 0x0, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:55:51 executing program 0: pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c2000012", 0x65, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:55:51 executing program 2 (fault-call:4 fault-nth:27): r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) [ 260.345303][T16690] loop5: detected capacity change from 0 to 1 [ 260.349082][T16688] VFS: unable to find oldfs superblock on device loop2 [ 260.353521][T16687] loop0: detected capacity change from 0 to 4096 [ 260.370518][T16689] loop4: detected capacity change from 0 to 4096 [ 260.383297][T16696] loop1: detected capacity change from 0 to 264192 [ 260.393305][T16687] EXT4-fs (loop0): fragment/cluster size (65536) != block size (4096) [ 260.405118][T16690] FAT-fs (loop5): bogus number of reserved sectors [ 260.416381][T16689] EXT4-fs (loop4): VFS: Can't find ext4 filesystem [ 260.424409][T16690] FAT-fs (loop5): Can't find a valid FAT filesystem [ 260.432650][T16688] FAULT_INJECTION: forcing a failure. [ 260.432650][T16688] name failslab, interval 1, probability 0, space 0, times 0 [ 260.445358][T16688] CPU: 0 PID: 16688 Comm: syz-executor.2 Not tainted 5.12.0-rc5-syzkaller #0 [ 260.454147][T16688] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 260.464182][T16688] Call Trace: [ 260.467450][T16688] dump_stack+0x137/0x19d [ 260.471795][T16688] should_fail+0x23c/0x250 [ 260.476194][T16688] ? radix_tree_node_alloc+0x154/0x1f0 [ 260.481633][T16688] __should_failslab+0x81/0x90 [ 260.486383][T16688] should_failslab+0x5/0x20 [ 260.490909][T16688] kmem_cache_alloc+0x46/0x320 [ 260.495673][T16688] ? __inc_numa_state+0x10/0x50 [ 260.500597][T16688] radix_tree_node_alloc+0x154/0x1f0 [ 260.505882][T16688] ? delete_node+0x45c/0x480 [ 260.510469][T16688] idr_get_free+0x22a/0x5d0 [ 260.514985][T16688] ? radix_tree_iter_tag_clear+0xe4/0x150 [ 260.520693][T16688] idr_alloc_cyclic+0xe3/0x2d0 [ 260.525527][T16688] ? __radix_tree_preload+0x19e/0x1c0 [ 260.530943][T16688] __kernfs_new_node+0xbd/0x360 [ 260.535784][T16688] ? kernfs_link_sibling+0x227/0x240 [ 260.541079][T16688] kernfs_new_node+0x5b/0xd0 20:55:52 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x3ac, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 260.545678][T16688] __kernfs_create_file+0x45/0x1a0 [ 260.550793][T16688] sysfs_add_file_mode_ns+0x1c1/0x250 [ 260.556174][T16688] internal_create_group+0x2e4/0x850 [ 260.561468][T16688] sysfs_create_group+0x1b/0x20 [ 260.566326][T16688] loop_configure+0xa21/0xcb0 [ 260.571010][T16688] lo_ioctl+0x555/0x11f0 [ 260.575256][T16688] ? ___cache_free+0x3c/0x2f0 [ 260.581584][T16688] ? blkdev_common_ioctl+0xa36/0x10a0 [ 260.586997][T16688] ? lo_release+0x120/0x120 [ 260.591533][T16688] blkdev_ioctl+0x1d0/0x3c0 [ 260.596043][T16688] block_ioctl+0x6d/0x80 [ 260.600345][T16688] ? blkdev_iopoll+0x70/0x70 [ 260.604918][T16688] __se_sys_ioctl+0xcb/0x140 [ 260.609509][T16688] __x64_sys_ioctl+0x3f/0x50 [ 260.614080][T16688] do_syscall_64+0x39/0x80 [ 260.618518][T16688] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 260.624545][T16688] RIP: 0033:0x466217 [ 260.628515][T16688] Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 a4 48 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 260.648284][T16688] RSP: 002b:00007fd5688b1f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 260.656690][T16688] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 0000000000466217 [ 260.664659][T16688] RDX: 0000000000000005 RSI: 0000000000004c00 RDI: 0000000000000006 [ 260.672643][T16688] RBP: 0000000000000006 R08: 0000000000000000 R09: ffffffffffffffff [ 260.680619][T16688] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 260.688586][T16688] R13: 0000000000000005 R14: 0000000020000218 R15: 0000000000000001 20:55:52 executing program 0: pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c2000012", 0x65, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 260.698466][T16688] loop2: detected capacity change from 0 to 512 [ 260.716810][T16696] FAT-fs (loop1): bogus number of reserved sectors [ 260.723859][T16696] FAT-fs (loop1): Can't find a valid FAT filesystem 20:55:52 executing program 4: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{0x0, 0x0, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 260.769936][T16688] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 260.782407][T16696] loop1: detected capacity change from 0 to 264192 [ 260.790827][T16696] FAT-fs (loop1): bogus number of reserved sectors [ 260.805698][T16696] FAT-fs (loop1): Can't find a valid FAT filesystem [ 260.848421][T16688] EXT4-fs (loop2): group descriptors corrupted! 20:55:52 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0xfffffff6, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:55:52 executing program 2 (fault-call:4 fault-nth:28): r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) [ 260.909209][T16729] loop4: detected capacity change from 0 to 4096 [ 260.909209][T16727] loop5: detected capacity change from 0 to 1 [ 260.920979][T16728] loop0: detected capacity change from 0 to 4096 [ 260.933703][T16727] FAT-fs (loop5): bogus number of reserved sectors [ 260.962305][T16727] FAT-fs (loop5): Can't find a valid FAT filesystem [ 260.993543][T16728] EXT4-fs (loop0): fragment/cluster size (65536) != block size (4096) [ 261.004160][T16739] loop1: detected capacity change from 0 to 264192 [ 261.013399][T16729] EXT4-fs (loop4): VFS: Can't find ext4 filesystem [ 261.013899][T16739] FAT-fs (loop1): bogus number of reserved sectors [ 261.027416][T16739] FAT-fs (loop1): Can't find a valid FAT filesystem [ 261.052403][T16743] VFS: unable to find oldfs superblock on device loop2 [ 261.059464][T16727] loop5: detected capacity change from 0 to 1 20:55:52 executing program 0: pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c2000012", 0x65, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 261.086723][T16727] FAT-fs (loop5): bogus number of reserved sectors [ 261.093354][T16739] loop1: detected capacity change from 0 to 264192 [ 261.105639][T16727] FAT-fs (loop5): Can't find a valid FAT filesystem [ 261.118649][T16739] FAT-fs (loop1): bogus number of reserved sectors [ 261.125163][T16739] FAT-fs (loop1): Can't find a valid FAT filesystem [ 261.158984][T16756] loop0: detected capacity change from 0 to 4096 [ 261.170884][T16756] EXT4-fs (loop0): fragment/cluster size (65536) != block size (4096) 20:55:54 executing program 3: openat(0xffffffffffffffff, 0x0, 0x0, 0x0) r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000080)={{0x12, 0x1, 0x0, 0xf6, 0xbe, 0xd8, 0x8, 0xc72, 0xd, 0x9bc9, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x9b, 0x10, 0x39}}]}}]}}, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000840)={0x44, &(0x7f0000000000)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) creat(&(0x7f0000000000)='./file0\x00', 0xe8) 20:55:54 executing program 4: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{0x0, 0x0, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:55:54 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) 20:55:54 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x3ad, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:55:54 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0xfffffffe, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:55:54 executing program 0: pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 263.383129][T16777] loop1: detected capacity change from 0 to 264192 [ 263.391014][T16778] loop0: detected capacity change from 0 to 4096 [ 263.395347][T16779] VFS: unable to find oldfs superblock on device loop2 [ 263.407948][T16777] FAT-fs (loop1): bogus number of reserved sectors [ 263.414734][T16777] FAT-fs (loop1): Can't find a valid FAT filesystem [ 263.414855][T16781] loop4: detected capacity change from 0 to 4096 [ 263.427045][T16783] loop5: detected capacity change from 0 to 1 [ 263.433268][T16781] EXT4-fs (loop4): VFS: Can't find ext4 filesystem [ 263.441313][T16778] EXT4-fs (loop0): VFS: Can't find ext4 filesystem [ 263.453296][T16777] loop1: detected capacity change from 0 to 264192 [ 263.456084][T16783] FAT-fs (loop5): bogus number of reserved sectors [ 263.460326][T16779] loop2: detected capacity change from 0 to 512 [ 263.469203][T16783] FAT-fs (loop5): Can't find a valid FAT filesystem 20:55:55 executing program 0: pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:55:55 executing program 4: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000), 0x0, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 263.473543][T16779] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 263.489838][T16777] FAT-fs (loop1): bogus number of reserved sectors [ 263.489990][T16779] EXT4-fs (loop2): group descriptors corrupted! [ 263.511046][T16777] FAT-fs (loop1): Can't find a valid FAT filesystem [ 263.542283][T16783] loop5: detected capacity change from 0 to 1 [ 263.554200][T16783] FAT-fs (loop5): bogus number of reserved sectors [ 263.562921][T16783] FAT-fs (loop5): Can't find a valid FAT filesystem 20:55:55 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x225c17d03, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 263.590919][T16811] loop4: detected capacity change from 0 to 4096 20:55:55 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x13c34, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) 20:55:55 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x3ae, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 263.602087][T16811] EXT4-fs (loop4): VFS: Can't find ext4 filesystem [ 263.623145][T16815] loop0: detected capacity change from 0 to 4096 [ 263.652682][T16815] EXT4-fs (loop0): VFS: Can't find ext4 filesystem 20:55:55 executing program 4: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000), 0x0, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 263.685916][T16820] VFS: unable to find oldfs superblock on device loop2 [ 263.733604][T16830] loop4: detected capacity change from 0 to 4096 [ 263.744105][T16830] EXT4-fs (loop4): VFS: Can't find ext4 filesystem [ 263.811454][T16835] loop2: detected capacity change from 0 to 158 [ 263.819647][T16834] loop5: detected capacity change from 0 to 1 [ 263.827939][T16835] EXT4-fs (loop2): bad geometry: block count 256 exceeds size of device (79 blocks) [ 263.839070][T16834] FAT-fs (loop5): bogus number of reserved sectors [ 263.845684][T16834] FAT-fs (loop5): Can't find a valid FAT filesystem [ 263.891034][T16834] loop5: detected capacity change from 0 to 1 [ 263.927877][T16848] loop2: detected capacity change from 0 to 158 [ 263.939022][T16834] FAT-fs (loop5): bogus number of reserved sectors [ 263.945807][T16848] EXT4-fs (loop2): bad geometry: block count 256 exceeds size of device (79 blocks) [ 263.946438][T16834] FAT-fs (loop5): Can't find a valid FAT filesystem 20:55:57 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x80000000000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:55:57 executing program 0: pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:55:57 executing program 4: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000), 0x0, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:55:57 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x3af, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:55:57 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x13c35, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) 20:55:57 executing program 3: openat(0xffffffffffffffff, 0x0, 0x0, 0x0) r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000000)={{0x12, 0x1, 0x0, 0xf6, 0xbe, 0xd8, 0x8, 0xc72, 0xd, 0x9bc9, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x9b, 0x10, 0x39}}]}}]}}, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000840)={0x44, &(0x7f0000000000)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) [ 266.425710][T16872] VFS: unable to find oldfs superblock on device loop2 [ 266.429699][T16871] loop1: detected capacity change from 0 to 264192 [ 266.432691][T16873] loop4: detected capacity change from 0 to 4096 [ 266.446497][T16875] loop0: detected capacity change from 0 to 4096 [ 266.453024][T16881] loop5: detected capacity change from 0 to 1 [ 266.461218][T16875] EXT4-fs (loop0): VFS: Can't find ext4 filesystem [ 266.469657][T16873] EXT4-fs (loop4): VFS: Can't find ext4 filesystem [ 266.476062][T16871] FAT-fs (loop1): bogus number of reserved sectors [ 266.482793][T16881] FAT-fs (loop5): bogus number of reserved sectors [ 266.489385][T16881] FAT-fs (loop5): Can't find a valid FAT filesystem [ 266.498105][T16871] FAT-fs (loop1): Can't find a valid FAT filesystem [ 266.505668][T16872] loop2: detected capacity change from 0 to 158 [ 266.513220][T16872] EXT4-fs (loop2): bad geometry: block count 256 exceeds size of device (79 blocks) 20:55:58 executing program 4: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf465", 0x33, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:55:58 executing program 0: pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, 0x0) [ 266.550831][T16881] loop5: detected capacity change from 0 to 1 [ 266.566785][T16871] loop1: detected capacity change from 0 to 264192 [ 266.574768][T16881] FAT-fs (loop5): bogus number of reserved sectors [ 266.578129][T16871] FAT-fs (loop1): bogus number of reserved sectors [ 266.582369][T16881] FAT-fs (loop5): Can't find a valid FAT filesystem 20:55:58 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x13c36, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) 20:55:58 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x3b0, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 266.595962][T16871] FAT-fs (loop1): Can't find a valid FAT filesystem [ 266.614530][T16906] loop0: detected capacity change from 0 to 4096 [ 266.635908][T16910] loop4: detected capacity change from 0 to 4096 20:55:58 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x1000000000000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:55:58 executing program 0: pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, 0x0) [ 266.649121][T16910] EXT4-fs (loop4): VFS: Can't find ext4 filesystem 20:55:58 executing program 4: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf465", 0x33, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 266.713624][T16919] loop5: detected capacity change from 0 to 1 [ 266.731286][T16921] VFS: unable to find oldfs superblock on device loop2 [ 266.746175][T16919] FAT-fs (loop5): bogus number of reserved sectors [ 266.795619][T16919] FAT-fs (loop5): Can't find a valid FAT filesystem [ 266.810325][T16934] loop1: detected capacity change from 0 to 264192 [ 266.828087][T16934] FAT-fs (loop1): bogus number of reserved sectors [ 266.831028][T16933] loop2: detected capacity change from 0 to 158 [ 266.834915][T16934] FAT-fs (loop1): Can't find a valid FAT filesystem [ 266.842788][T16939] loop0: detected capacity change from 0 to 4096 [ 266.867650][T16933] EXT4-fs (loop2): bad geometry: block count 256 exceeds size of device (79 blocks) [ 266.878036][T16942] loop4: detected capacity change from 0 to 4096 [ 266.889031][T16919] loop5: detected capacity change from 0 to 1 20:55:58 executing program 0: pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, 0x0) [ 266.895406][T16942] EXT4-fs (loop4): VFS: Can't find ext4 filesystem [ 266.895911][T16919] FAT-fs (loop5): bogus number of reserved sectors [ 266.927228][T16934] loop1: detected capacity change from 0 to 264192 [ 266.936976][T16919] FAT-fs (loop5): Can't find a valid FAT filesystem 20:55:58 executing program 4: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf465", 0x33, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 266.947840][T16934] FAT-fs (loop1): bogus number of reserved sectors [ 266.954716][T16934] FAT-fs (loop1): Can't find a valid FAT filesystem [ 266.969401][T16953] loop2: detected capacity change from 0 to 158 20:55:58 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x3b1, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 266.995053][T16953] EXT4-fs (loop2): bad geometry: block count 256 exceeds size of device (79 blocks) 20:55:58 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x20000000000000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 267.044482][T16967] loop4: detected capacity change from 0 to 4096 [ 267.061735][T16967] EXT4-fs (loop4): VFS: Can't find ext4 filesystem [ 267.062249][T16970] loop0: detected capacity change from 0 to 4096 [ 267.105232][T16978] loop1: detected capacity change from 0 to 264192 [ 267.109688][T16980] loop5: detected capacity change from 0 to 1 [ 267.121638][T16980] FAT-fs (loop5): bogus number of reserved sectors [ 267.124843][T16978] FAT-fs (loop1): bogus number of reserved sectors [ 267.130816][T16980] FAT-fs (loop5): Can't find a valid FAT filesystem [ 267.163846][T16978] FAT-fs (loop1): Can't find a valid FAT filesystem [ 267.179851][T16980] loop5: detected capacity change from 0 to 1 [ 267.197512][T16980] FAT-fs (loop5): bogus number of reserved sectors [ 267.204336][T16980] FAT-fs (loop5): Can't find a valid FAT filesystem [ 267.221069][T16978] loop1: detected capacity change from 0 to 264192 [ 267.230755][T16978] FAT-fs (loop1): bogus number of reserved sectors [ 267.237747][T16978] FAT-fs (loop1): Can't find a valid FAT filesystem 20:56:00 executing program 3: r0 = openat(0xffffffffffffffff, 0x0, 0x0, 0x0) r1 = syz_usb_connect(0x0, 0x24, &(0x7f0000000080)={{0x12, 0x1, 0x0, 0xf6, 0xbe, 0xd8, 0x8, 0xc72, 0xd, 0x9bc9, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x9b, 0x10, 0x39}}]}}]}}, 0x0) syz_usb_control_io(r1, 0x0, &(0x7f0000000840)={0x44, &(0x7f0000000000)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) preadv(r0, &(0x7f0000000180)=[{&(0x7f00000000c0)=""/184, 0xb8}, {&(0x7f0000000000)=""/87, 0x57}], 0x2, 0x4, 0xff) 20:56:00 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x13c37, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) 20:56:00 executing program 0: pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[]) 20:56:00 executing program 4: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004", 0x4d, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:56:00 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x402, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:56:00 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x100000000000000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 269.485057][T17007] loop0: detected capacity change from 0 to 4096 [ 269.492778][T17013] loop1: detected capacity change from 0 to 264192 [ 269.506090][T17009] loop5: detected capacity change from 0 to 2 [ 269.514193][T17010] VFS: unable to find oldfs superblock on device loop2 [ 269.529235][T17007] EXT4-fs (loop0): revision level too high, forcing read-only mode [ 269.541415][T17026] loop4: detected capacity change from 0 to 4096 [ 269.569815][T17007] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: writeback. [ 269.588956][T17013] FAT-fs (loop1): bogus number of reserved sectors [ 269.595632][T17009] FAT-fs (loop5): bogus number of reserved sectors [ 269.601362][T17013] FAT-fs (loop1): Can't find a valid FAT filesystem 20:56:01 executing program 0: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x1000000000000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 269.638158][T17026] EXT4-fs (loop4): invalid first ino: 0 [ 269.642188][T17009] FAT-fs (loop5): Can't find a valid FAT filesystem [ 269.665623][T17034] loop2: detected capacity change from 0 to 158 20:56:01 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x200000000000000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 269.694764][T17034] EXT4-fs (loop2): bad geometry: block count 256 exceeds size of device (79 blocks) [ 269.734890][T17042] loop0: detected capacity change from 0 to 264192 20:56:01 executing program 4: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004", 0x4d, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 269.756116][T17009] loop5: detected capacity change from 0 to 2 [ 269.764829][T17040] loop2: detected capacity change from 0 to 158 [ 269.795378][T17040] EXT4-fs (loop2): bad geometry: block count 256 exceeds size of device (79 blocks) [ 269.804016][T17009] FAT-fs (loop5): bogus number of reserved sectors [ 269.817917][T17042] FAT-fs (loop0): bogus number of reserved sectors [ 269.833510][T17053] loop1: detected capacity change from 0 to 264192 [ 269.845704][T17053] FAT-fs (loop1): bogus number of reserved sectors 20:56:01 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x13c3d, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) [ 269.852765][T17042] FAT-fs (loop0): Can't find a valid FAT filesystem [ 269.856753][T17053] FAT-fs (loop1): Can't find a valid FAT filesystem [ 269.871734][T17009] FAT-fs (loop5): Can't find a valid FAT filesystem 20:56:01 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x406, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 269.911617][T17059] loop4: detected capacity change from 0 to 4096 [ 269.960567][T17053] loop1: detected capacity change from 0 to 264192 [ 269.966721][T17059] EXT4-fs (loop4): invalid first ino: 0 [ 269.972709][T17053] FAT-fs (loop1): bogus number of reserved sectors [ 269.990106][T17053] FAT-fs (loop1): Can't find a valid FAT filesystem 20:56:01 executing program 0: openat(0xffffffffffffffff, 0x0, 0x0, 0x0) r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000080)={{0x12, 0x1, 0x0, 0xf6, 0xbe, 0xd8, 0x8, 0xc72, 0xd, 0x9bc9, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x9b, 0x10, 0x39}}]}}]}}, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000840)={0x44, &(0x7f0000000000)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io(r0, &(0x7f00000001c0)={0x2c, &(0x7f0000000000)={0x20, 0x3, 0x51, {0x51, 0x21, "8e546fd5569ac5a7fa36f5809569607f1136277ffb92f0aca43fb17a95c2da0c95b4a25f49ae13bc49f0a1f5128ab9e451140108107d7eb2df10cf801c8d1af5d2930f07bb4e91ec2040b5f9e30e25"}}, &(0x7f00000000c0)={0x0, 0x3, 0x4, @lang_id={0x4, 0x3, 0x1c01}}, &(0x7f0000000100)={0x0, 0xf, 0x23, {0x5, 0xf, 0x23, 0x2, [@ss_container_id={0x14, 0x10, 0x4, 0x0, "fd358980c0ee22e066587c0ec9e2d886"}, @ss_cap={0xa, 0x10, 0x3, 0x0, 0x3, 0x5, 0xaf, 0x8}]}}, &(0x7f0000000140)={0x20, 0x29, 0xf, {0xf, 0x29, 0xfc, 0x60, 0x8, 0x6f, "be9cbf5c", 'Jr`2'}}, &(0x7f0000000180)={0x20, 0x2a, 0xc, {0xc, 0x2a, 0xff, 0x0, 0x5, 0x7, 0x33, 0x200, 0x8}}}, &(0x7f0000000640)={0x84, &(0x7f0000000200)={0x40, 0x11, 0x62, "51e523f54e58ec3fe4464ba9acd2ed4e03a0bff1ddb0932a1e1faf8c272ed9d8aaba2d305de8ee99e8d2d5a8590281ab34abdca67f132812fa23dc2320fec7644eecff14b513a19f818fd69aec2f2a5cf2acd2d7c7ea745fce4b794adb03dee1efcf"}, &(0x7f0000000280)={0x0, 0xa, 0x1, 0x4}, &(0x7f00000002c0)={0x0, 0x8, 0x1}, &(0x7f0000000300)={0x20, 0x0, 0x4, {0x1}}, &(0x7f0000000340)={0x20, 0x0, 0x8, {0x1, 0x8, [0xf00f]}}, &(0x7f0000000380)={0x40, 0x7, 0x2, 0xffff}, &(0x7f00000003c0)={0x40, 0x9, 0x1, 0x7}, &(0x7f0000000400)={0x40, 0xb, 0x2, "e6ba"}, &(0x7f0000000440)={0x40, 0xf, 0x2, 0x2}, &(0x7f0000000480)={0x40, 0x13, 0x6, @broadcast}, &(0x7f00000004c0)={0x40, 0x17, 0x6, @local}, &(0x7f0000000500)={0x40, 0x19, 0x2, "3fc1"}, &(0x7f0000000540)={0x40, 0x1a, 0x2, 0x101}, &(0x7f0000000580)={0x40, 0x1c, 0x1}, &(0x7f00000005c0)={0x40, 0x1e, 0x1, 0x8}, &(0x7f0000000600)={0x40, 0x21, 0x1, 0x5}}) syz_usb_control_io$cdc_ncm(r0, &(0x7f0000000900)={0x14, &(0x7f0000000700)={0x40, 0x31, 0xed, {0xed, 0x30, "5c563e2e4bc774ccf033b4429ff9c7dfb6f4b55f12c6d6f1609c1074f6a51999c3ddadcc2ffa4e3735c40c89b49d78824c3ad93edaf6d647849f386de69c73c30cf6af8200b21da9024452bb7e5666cd53bfb2a09c0d2ffcb6cc68dd5a41cf4a84b5aad6ab0d9d0b61d23da6ae2bf04d7cb868ca55214a2fa309dbaa93c1712a96234df4f493fabaf6873bf25e821def522a994d837e5e9a1e176d6776642de2b07bab07416dcdf29867dfe1f4d9594ea8b70bb291f8b8b00dec46e699d9509f558411226b1150f34c01b0913ff06be0c90eedccb22cecf7d617b2ff234caac4ba89b507604a304552e266"}}, &(0x7f0000000800)={0x0, 0x3, 0x1a, {0x1a}}}, &(0x7f0000000bc0)={0x44, &(0x7f0000000940)={0x0, 0xb, 0xa5, "29af301060117ea9cc6408ec0ba2f5452c3476d728677ca5d16464f2a40f5dc15ab56083a29e762dd2c32b1ff43a5ac88bcdc94d4bd7ab63b6581fc8fc267a6cae6ad92d740599ef909b148432987edafd943eee3815b037374f3eae51af8c589ff27081e45eca2deced852f71f9881e8a1516fc1a2f4064c599dca1e9baf25947b733c08caa4feae22a2d4c92e874d0d756d2e3b3554eeea1887f12e7ddc669a214f808e6"}, &(0x7f0000000a00)={0x0, 0xa, 0x1, 0x81}, &(0x7f0000000a40)={0x0, 0x8, 0x1, 0x81}, &(0x7f0000000a80)={0x20, 0x80, 0x1c, {0x3f, 0x20c, 0xfffffffe, 0x7fff, 0x5, 0xfffd, 0xdc, 0xfffffffb, 0x3df6, 0x400, 0x3, 0x21}}, &(0x7f0000000ac0)={0x20, 0x85, 0x4, 0x1}, &(0x7f0000000b00)={0x20, 0x83, 0x2, 0x1}, &(0x7f0000000b40)={0x20, 0x87, 0x2, 0x5}, &(0x7f0000000b80)={0x20, 0x89, 0x2, 0x1}}) [ 270.007206][T17067] VFS: unable to find oldfs superblock on device loop2 [ 270.042042][T17075] loop5: detected capacity change from 0 to 2 [ 270.052492][T17075] FAT-fs (loop5): bogus number of reserved sectors [ 270.059554][T17075] FAT-fs (loop5): Can't find a valid FAT filesystem [ 270.069762][T17067] loop2: detected capacity change from 0 to 158 [ 270.077132][T17067] EXT4-fs (loop2): bad geometry: block count 256 exceeds size of device (79 blocks) [ 270.100353][T17075] loop5: detected capacity change from 0 to 2 [ 270.127983][T17075] FAT-fs (loop5): bogus number of reserved sectors [ 270.141204][T17075] FAT-fs (loop5): Can't find a valid FAT filesystem [ 270.160619][T17094] loop2: detected capacity change from 0 to 158 [ 270.168339][T17094] EXT4-fs (loop2): bad geometry: block count 256 exceeds size of device (79 blocks) [ 270.326774][ T9104] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 270.576685][ T9104] usb 1-1: Using ep0 maxpacket: 8 [ 270.736762][ T9104] usb 1-1: New USB device found, idVendor=0c72, idProduct=000d, bcdDevice=9b.c9 [ 270.745877][ T9104] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 270.755033][ T9104] usb 1-1: config 0 descriptor?? [ 271.466804][ T9104] peak_usb 1-1:0.0: PEAK-System PCAN-USB Pro hwrev 2360287006 serial 4EEDD2AC.F1BFA003 (2 channels) [ 271.477733][ T9104] peak_usb 1-1:0.0 can0: sending command failure: -22 [ 271.484527][ T9104] peak_usb 1-1:0.0 can0: sending command failure: -22 [ 271.526892][ T9104] peak_usb: probe of 1-1:0.0 failed with error -22 [ 271.672232][ T9104] usb 1-1: USB disconnect, device number 2 20:56:03 executing program 3: r0 = openat(0xffffffffffffffff, 0x0, 0x0, 0x0) execve(&(0x7f0000000000)='./file0\x00', &(0x7f00000001c0)=[&(0x7f0000000040)=':)%\\+G\x00', &(0x7f00000000c0)='-(%\'\x00', &(0x7f0000000100)='&)+\'#%\x00', &(0x7f0000000140)='\x00', &(0x7f0000000180)='[},)&@\xaa&\x00'], &(0x7f0000000200)) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000001240)={&(0x7f0000000200)=@newlink={0x3c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_MTU={0x8, 0x4, 0x10001}, @IFLA_IFNAME={0x14, 0x3, 'ip6gretap0\x00'}]}, 0x3c}}, 0x0) ioctl$F2FS_IOC_RELEASE_COMPRESS_BLOCKS(r1, 0x8008f512, &(0x7f0000000ec0)) r2 = syz_usb_connect(0x0, 0x24, &(0x7f0000000080)=ANY=[@ANYBLOB="12010000f6bed808720c0d00c99b0000000109021200000000000009040000009b103900"], 0x0) syz_usb_control_io(r2, 0x0, &(0x7f0000000840)={0x44, &(0x7f0000000000)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r3 = syz_usb_connect$cdc_ncm(0x0, 0x9c, &(0x7f0000000380)={{0x12, 0x1, 0x300, 0x2, 0x0, 0x0, 0x8, 0x525, 0xa4a1, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x8a, 0x2, 0x1, 0x2, 0x0, 0x7, {{0x9, 0x4, 0x0, 0x0, 0x1, 0x2, 0xd, 0x0, 0x0, {{0xa, 0x24, 0x6, 0x0, 0x1, "823fa6b575"}, {0x5, 0x24, 0x0, 0x3}, {0xd, 0x24, 0xf, 0x1, 0x8, 0x7, 0xea2, 0x1}, {0x6, 0x24, 0x1a, 0x0, 0x2}, [@mdlm={0x15, 0x24, 0x12, 0x3}, @country_functional={0xc, 0x24, 0x7, 0x1, 0x61, [0xfffa, 0x6, 0x0]}, @mbim_extended={0x8, 0x24, 0x1c, 0x2, 0x3, 0x7}]}, {{0x9, 0x5, 0x81, 0x3, 0x8, 0x2, 0x6}}}, {}, {0x9, 0x4, 0x1, 0x1, 0x2, 0x2, 0xd, 0x0, 0x0, "", {{{0x9, 0x5, 0x82, 0x2, 0x0, 0x81, 0x0, 0xff}}, {{0x9, 0x5, 0x3, 0x2, 0x18, 0x4, 0x81, 0x7}}}}}}}]}}, &(0x7f0000000680)={0xa, &(0x7f0000000440)={0xa, 0x6, 0x340, 0x8, 0x0, 0x1f, 0x10, 0x1f}, 0x5, &(0x7f0000000480)={0x5, 0xf, 0x5}, 0x3, [{0x4, &(0x7f00000004c0)=@lang_id={0x4, 0x3, 0x2809}}, {0xd3, &(0x7f0000000500)=ANY=[@ANYBLOB="d303f8317cd096caa1c99e1ea9ca418fc6085389815ac321c23df2811a019ad1a9a9c96f59209fe0ff3638831178cf09dd2407e76cba09be4704f9f5ea9426a42e8c07fcbddedad1eed432f5409163da36676610ec1c73c88730724b332196ebd2fb79b9a881150805100788ae40d63fa99ed659f83ecf6fc93a061f1770b293580c57024b7753b2813e7a19641c13aed29b8f7e9c7462be025f3baaeef143d1f3cc128525f5b418376fab545851cd37706e7da9bd30b0d27c9920ce637b4d7694b9e49fef46bf2297a159ce9f5e1c336079"]}, {0x43, &(0x7f0000000600)=@string={0x43, 0x3, "700f94cef5526b3c89d0ebbeb2e09750c061e39f245aa166ad63815c4c25792af109e1546bf90bb2457aea1ad9a0de3692ff1e3d4a16eb2fecbe9e2ad92f70086b"}}]}) syz_usb_control_io(r3, &(0x7f0000000980)={0x2c, &(0x7f00000006c0)={0x20, 0x4, 0xd1, {0xd1, 0x32, "c949dad0ebb1af572d922ce7b484154f34e208bef5c8c3dac4281816680f1372814f8e010d215ba659998d451fc389e97a6b1d985c253ff3ee881ee042ae23f767aa1ceab294628578fe4869c544416b377b7d76243e792da584e1cd0bc104340894049e5f416b0b6f467cabc50b57635e4182cd8f103cd306d5ce7a7f6b8ce6cf562bc809a8bb590a19b52371aef8641a75f41f6fa3bce2e893e7895fe9cc2ba4dbcded26b7d653ca4749c755cfa54be7f3915d80468ac1a83a35eb9b34b00557fdd36f525d0a939caeb173c2a0c0"}}, &(0x7f00000007c0)={0x0, 0x3, 0x4, @lang_id={0x4, 0x3, 0x44c}}, &(0x7f0000000800)={0x0, 0xf, 0x38, {0x5, 0xf, 0x38, 0x5, [@ptm_cap={0x3}, @wireless={0xb, 0x10, 0x1, 0x8, 0x10a, 0xff, 0x9e, 0xff, 0x4}, @ptm_cap={0x3}, @ssp_cap={0x18, 0x10, 0xa, 0x7, 0x3, 0xbe6, 0x0, 0x6, [0xff0000, 0xc000, 0xff0000]}, @ss_cap={0xa, 0x10, 0x3, 0x2, 0x5, 0x8, 0x40, 0x401}]}}, &(0x7f0000000900)={0x20, 0x29, 0xf, {0xf, 0x29, 0x7f, 0x3, 0x1f, 0xae, "f3739136", "21b2132b"}}, &(0x7f0000000940)={0x20, 0x2a, 0xc, {0xc, 0x2a, 0x6c, 0x18, 0x3, 0x81, 0x9, 0x5, 0x8}}}, &(0x7f0000000e00)={0x84, &(0x7f00000009c0)={0x20, 0x5, 0x4b, "95b7eb17a2f88d4e2ba1d03a70ddf51b62e54e41bf49b194bcbbf179b2eb0b28b8adb9d6fb0c160bdffeb263e569e621e2404a7e08ab4e25aad9f21a6dece905e9c29c5073fe2b6fb56cbd"}, &(0x7f0000000a40)={0x0, 0xa, 0x1, 0x3}, &(0x7f0000000a80)={0x0, 0x8, 0x1, 0xbd}, &(0x7f0000000ac0)={0x20, 0x0, 0x4, {0x697f426650642e51}}, &(0x7f0000000b00)={0x20, 0x0, 0x8, {0x120, 0x8, [0xe100]}}, &(0x7f0000000b40)={0x40, 0x7, 0x2, 0x539}, &(0x7f0000000b80)={0x40, 0x9, 0x1, 0x2}, &(0x7f0000000bc0)={0x40, 0xb, 0x2, "1e8c"}, &(0x7f0000000c00)={0x40, 0xf, 0x2, 0x7}, &(0x7f0000000c40)={0x40, 0x13, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}}, &(0x7f0000000c80)={0x40, 0x17, 0x6, @remote}, &(0x7f0000000cc0)={0x40, 0x19, 0x2, "5185"}, &(0x7f0000000d00)={0x40, 0x1a, 0x2, 0x101}, &(0x7f0000000d40)={0x40, 0x1c, 0x1, 0x2}, &(0x7f0000000d80)={0x40, 0x1e, 0x1, 0x8}, &(0x7f0000000dc0)={0x40, 0x21, 0x1, 0xf8}}) ioctl$DRM_IOCTL_MODE_RMFB(r0, 0xc00464af, &(0x7f0000000f00)=0x8) r4 = accept(r0, &(0x7f0000000200)=@caif=@rfm, &(0x7f0000000280)=0x80) getsockname$unix(r4, &(0x7f00000002c0), &(0x7f0000000340)=0x6e) 20:56:03 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x204000000000000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:56:03 executing program 4: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004", 0x4d, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:56:03 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x500, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:56:03 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x14035, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) 20:56:03 executing program 0: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004", 0x4d, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 272.550133][T17144] loop0: detected capacity change from 0 to 4096 [ 272.558294][T17145] loop4: detected capacity change from 0 to 4096 [ 272.563864][T17144] EXT4-fs (loop0): invalid first ino: 0 [ 272.572963][T17149] loop5: detected capacity change from 0 to 2 [ 272.579590][T17145] EXT4-fs (loop4): invalid first ino: 0 [ 272.582719][T17150] loop1: detected capacity change from 0 to 264192 [ 272.592960][T17147] VFS: unable to find oldfs superblock on device loop2 20:56:04 executing program 0: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004", 0x4d, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 272.623950][T17149] FAT-fs (loop5): bogus number of reserved sectors [ 272.635988][T17149] FAT-fs (loop5): Can't find a valid FAT filesystem [ 272.646399][T17150] FAT-fs (loop1): bogus number of reserved sectors [ 272.656387][T17150] FAT-fs (loop1): Can't find a valid FAT filesystem 20:56:04 executing program 4: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004", 0x5a, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 272.701349][T17147] loop2: detected capacity change from 0 to 160 20:56:04 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x600, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 272.747575][T17147] EXT4-fs (loop2): bad geometry: block count 256 exceeds size of device (80 blocks) [ 272.781738][T17150] loop1: detected capacity change from 0 to 264192 [ 272.792083][T17179] loop0: detected capacity change from 0 to 4096 [ 272.799594][T17150] FAT-fs (loop1): bogus number of reserved sectors [ 272.811771][T17150] FAT-fs (loop1): Can't find a valid FAT filesystem [ 272.819231][T17179] EXT4-fs (loop0): invalid first ino: 0 [ 272.841315][T17184] loop4: detected capacity change from 0 to 4096 20:56:04 executing program 0: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004", 0x4d, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 272.849243][T17178] loop2: detected capacity change from 0 to 160 [ 272.856592][T17184] EXT4-fs (loop4): fragment/cluster size (65536) != block size (4096) [ 272.866357][T17178] EXT4-fs (loop2): bad geometry: block count 256 exceeds size of device (80 blocks) 20:56:04 executing program 4: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004", 0x5a, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:56:04 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x300000000000000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 272.992865][T17199] loop4: detected capacity change from 0 to 4096 [ 273.002982][T17196] loop5: detected capacity change from 0 to 3 [ 273.013195][T17196] FAT-fs (loop5): bogus number of reserved sectors [ 273.021551][T17196] FAT-fs (loop5): Can't find a valid FAT filesystem [ 273.030747][T17199] EXT4-fs (loop4): fragment/cluster size (65536) != block size (4096) [ 273.053934][T17208] loop1: detected capacity change from 0 to 264192 [ 273.063116][T17207] loop0: detected capacity change from 0 to 4096 [ 273.073069][T17208] FAT-fs (loop1): bogus number of reserved sectors [ 273.080258][T17196] loop5: detected capacity change from 0 to 3 [ 273.083006][T17208] FAT-fs (loop1): Can't find a valid FAT filesystem [ 273.093196][T17207] EXT4-fs (loop0): invalid first ino: 0 [ 273.099595][T17196] FAT-fs (loop5): bogus number of reserved sectors [ 273.106805][T17196] FAT-fs (loop5): Can't find a valid FAT filesystem [ 273.148910][T17208] loop1: detected capacity change from 0 to 264192 [ 273.156573][T17208] FAT-fs (loop1): bogus number of reserved sectors [ 273.163860][T17208] FAT-fs (loop1): Can't find a valid FAT filesystem 20:56:07 executing program 3: openat(0xffffffffffffffff, 0x0, 0x0, 0x0) syz_mount_image$nilfs2(&(0x7f0000000000)='nilfs2\x00', &(0x7f0000000040)='./file0\x00', 0x5, 0x2, &(0x7f0000000200)=[{&(0x7f00000000c0)="92310348676a53e6a675ee70b7cd5afca462e76d16111ce50fff92a3dfa2328e9380842d50f28213fa1feea90be5d53aee9620ada950f0638e72bae0b56e0bd0b1c6ae914b456fb0ffe1491223b8ca8054ba1cd2400e5cbcf9318cf9193c6d99d62a70691576aa81e7b84309638b5afde397b10fb1c68efd42ce4b56ead8710a8f5830447e5206c52008edb6d83800f563b81547135af636c1c9a2fb0c41b29bfc02166ce24284b82bd5a19ea1ac014c00ebe05bbbecfff5e96b09d66c9dd5fe9c949432d54dd0a6e788a754dcc5cf2f60d6634b85ad75c89f2706cc1d6f24ec587b88f701b814f3cd", 0xe9}, {&(0x7f00000001c0)="b197e11ff75c64399b415b", 0xb, 0x1ff}], 0x80000, &(0x7f0000000240)={[{@discard='discard'}, {@discard='discard'}], [{@fowner_eq={'fowner', 0x3d, 0xffffffffffffffff}}, {@obj_role={'obj_role', 0x3d, '\'*!%:&#'}}, {@permit_directio='permit_directio'}]}) r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000640)=ANY=[@ANYBLOB="12010000f6000001090212000100aa0c398c695c3e745f432dfdd04e60000000090400deff9b10390000ffffffe40000000000d948e4e92155b0cb5a0a1227cb5708597e8c47510d6782607b8a96086a7c496dfbb0135afaf38cc9aee2febfa1411321"], 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000840)={0x44, &(0x7f0000000000)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$uac1(r0, &(0x7f0000000340)={0x14, &(0x7f00000002c0)={0x40, 0x5, 0x11, {0x11, 0x21, "6b4e5fa48708d7d96acbc92280da75"}}, &(0x7f0000000300)={0x0, 0x3, 0x24, @string={0x24, 0x3, "039fb397073b2144f59470c4ec15b1b4dadb19551d05bad0b451c14752b54a85c449"}}}, &(0x7f00000005c0)={0x44, &(0x7f0000000380)={0x60, 0xf, 0x53, "9205c7ba94f6843659d2bf387f184da6ba651d2719b78fbc5248ab4943c7b6d7390aacbe101866ee80e87c678a4885884e2f3d2b74a2f17040a59147e61ab139ad07555d86a34a769dd0547032e2b3007b9faf"}, &(0x7f0000000400)={0x0, 0xa, 0x1, 0x9}, &(0x7f0000000440)={0x0, 0x8, 0x1}, &(0x7f0000000480)={0x20, 0x81, 0x2, "39f2"}, &(0x7f00000004c0)={0x20, 0x82, 0x2, "fd16"}, &(0x7f0000000500)={0x20, 0x83, 0x1, 'W'}, &(0x7f0000000540)={0x20, 0x84, 0x2, "201d"}, &(0x7f0000000580)={0x20, 0x85, 0x3, "330bfd"}}) 20:56:07 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x14036, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) 20:56:07 executing program 0: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x500, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:56:07 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x604, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:56:07 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x37dc12502000000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:56:07 executing program 4: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004", 0x5a, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 275.587587][T17238] loop4: detected capacity change from 0 to 4096 [ 275.594049][T17237] loop5: detected capacity change from 0 to 3 [ 275.603633][T17244] loop1: detected capacity change from 0 to 264192 [ 275.612174][T17243] loop0: detected capacity change from 0 to 2 [ 275.619036][T17237] FAT-fs (loop5): bogus number of reserved sectors [ 275.629855][T17238] EXT4-fs (loop4): fragment/cluster size (65536) != block size (4096) [ 275.633999][T17243] FAT-fs (loop0): bogus number of reserved sectors [ 275.638210][T17239] VFS: unable to find oldfs superblock on device loop2 [ 275.644807][T17244] FAT-fs (loop1): bogus number of reserved sectors [ 275.653356][T17237] FAT-fs (loop5): Can't find a valid FAT filesystem [ 275.668073][T17251] loop3: detected capacity change from 0 to 1 [ 275.678583][T17243] FAT-fs (loop0): Can't find a valid FAT filesystem [ 275.683025][T17244] FAT-fs (loop1): Can't find a valid FAT filesystem [ 275.742055][T17244] loop1: detected capacity change from 0 to 264192 [ 275.750459][T17244] FAT-fs (loop1): bogus number of reserved sectors [ 275.763597][T17244] FAT-fs (loop1): Can't find a valid FAT filesystem [ 275.799588][T17237] loop5: detected capacity change from 0 to 3 [ 275.811380][T17259] loop2: detected capacity change from 0 to 160 [ 275.816877][T17237] FAT-fs (loop5): bogus number of reserved sectors 20:56:07 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x400000000000000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 275.840553][T17259] EXT4-fs (loop2): bad geometry: block count 256 exceeds size of device (80 blocks) 20:56:07 executing program 4: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000", 0x60, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:56:07 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x700, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 275.887776][T17237] FAT-fs (loop5): Can't find a valid FAT filesystem 20:56:07 executing program 0: openat(0xffffffffffffffff, 0x0, 0x0, 0x0) r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000080)={{0x12, 0x1, 0x0, 0xf6, 0xbe, 0xd8, 0x8, 0xc72, 0xd, 0x9bc9, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x9b, 0x10, 0x39}}]}}]}}, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000840)={0x44, &(0x7f0000000000)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io(r0, &(0x7f00000001c0)={0x2c, &(0x7f0000000000)={0x20, 0x3, 0x51, {0x51, 0x21, "8e546fd5569ac5a7fa36f5809569607f1136277ffb92f0aca43fb17a95c2da0c95b4a25f49ae13bc49f0a1f5128ab9e451140108107d7eb2df10cf801c8d1af5d2930f07bb4e91ec2040b5f9e30e25"}}, &(0x7f00000000c0)={0x0, 0x3, 0x4, @lang_id={0x4, 0x3, 0x1c01}}, &(0x7f0000000100)={0x0, 0xf, 0x23, {0x5, 0xf, 0x23, 0x2, [@ss_container_id={0x14, 0x10, 0x4, 0x0, "fd358980c0ee22e066587c0ec9e2d886"}, @ss_cap={0xa, 0x10, 0x3, 0x0, 0x3, 0x5, 0xaf, 0x8}]}}, &(0x7f0000000140)={0x20, 0x29, 0xf, {0xf, 0x29, 0xfc, 0x60, 0x8, 0x6f, "be9cbf5c", 'Jr`2'}}, &(0x7f0000000180)={0x20, 0x2a, 0xc, {0xc, 0x2a, 0xff, 0x0, 0x5, 0x7, 0x33, 0x200, 0x8}}}, &(0x7f0000000640)={0x84, &(0x7f0000000200)={0x40, 0x11, 0x62, "51e523f54e58ec3fe4464ba9acd2ed4e03a0bff1ddb0932a1e1faf8c272ed9d8aaba2d305de8ee99e8d2d5a8590281ab34abdca67f132812fa23dc2320fec7644eecff14b513a19f818fd69aec2f2a5cf2acd2d7c7ea745fce4b794adb03dee1efcf"}, &(0x7f0000000280)={0x0, 0xa, 0x1, 0x4}, &(0x7f00000002c0)={0x0, 0x8, 0x1}, &(0x7f0000000300)={0x20, 0x0, 0x4, {0x1}}, &(0x7f0000000340)={0x20, 0x0, 0x8, {0x1, 0x8, [0xf00f]}}, &(0x7f0000000380)={0x40, 0x7, 0x2, 0xffff}, &(0x7f00000003c0)={0x40, 0x9, 0x1, 0x7}, &(0x7f0000000400)={0x40, 0xb, 0x2, "e6ba"}, &(0x7f0000000440)={0x40, 0xf, 0x2, 0x2}, &(0x7f0000000480)={0x40, 0x13, 0x6, @broadcast}, &(0x7f00000004c0)={0x40, 0x17, 0x6, @local}, &(0x7f0000000500)={0x40, 0x19, 0x2, "3fc1"}, &(0x7f0000000540)={0x40, 0x1a, 0x2, 0x101}, &(0x7f0000000580)={0x40, 0x1c, 0x1}, &(0x7f00000005c0)={0x40, 0x1e, 0x1, 0x8}, &(0x7f0000000600)={0x40, 0x21, 0x1, 0x5}}) syz_usb_control_io$cdc_ncm(r0, &(0x7f0000000900)={0x14, &(0x7f0000000700)={0x40, 0x31, 0xed, {0xed, 0x30, "5c563e2e4bc774ccf033b4429ff9c7dfb6f4b55f12c6d6f1609c1074f6a51999c3ddadcc2ffa4e3735c40c89b49d78824c3ad93edaf6d647849f386de69c73c30cf6af8200b21da9024452bb7e5666cd53bfb2a09c0d2ffcb6cc68dd5a41cf4a84b5aad6ab0d9d0b61d23da6ae2bf04d7cb868ca55214a2fa309dbaa93c1712a96234df4f493fabaf6873bf25e821def522a994d837e5e9a1e176d6776642de2b07bab07416dcdf29867dfe1f4d9594ea8b70bb291f8b8b00dec46e699d9509f558411226b1150f34c01b0913ff06be0c90eedccb22cecf7d617b2ff234caac4ba89b507604a304552e266"}}, &(0x7f0000000800)={0x0, 0x3, 0x1a, {0x1a}}}, &(0x7f0000000bc0)={0x44, &(0x7f0000000940)={0x0, 0xb, 0xa5, "29af301060117ea9cc6408ec0ba2f5452c3476d728677ca5d16464f2a40f5dc15ab56083a29e762dd2c32b1ff43a5ac88bcdc94d4bd7ab63b6581fc8fc267a6cae6ad92d740599ef909b148432987edafd943eee3815b037374f3eae51af8c589ff27081e45eca2deced852f71f9881e8a1516fc1a2f4064c599dca1e9baf25947b733c08caa4feae22a2d4c92e874d0d756d2e3b3554eeea1887f12e7ddc669a214f808e6"}, &(0x7f0000000a00)={0x0, 0xa, 0x1, 0x81}, &(0x7f0000000a40)={0x0, 0x8, 0x1, 0x81}, &(0x7f0000000a80)={0x20, 0x80, 0x1c, {0x3f, 0x20c, 0xfffffffe, 0x7fff, 0x5, 0xfffd, 0xdc, 0xfffffffb, 0x3df6, 0x400, 0x3, 0x21}}, &(0x7f0000000ac0)={0x20, 0x85, 0x4, 0x1}, &(0x7f0000000b00)={0x20, 0x83, 0x2, 0x1}, &(0x7f0000000b40)={0x20, 0x87, 0x2, 0x5}, &(0x7f0000000b80)={0x20, 0x89, 0x2, 0x1}}) 20:56:07 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x14037, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) [ 276.004397][T17284] loop1: detected capacity change from 0 to 264192 [ 276.024893][T17284] FAT-fs (loop1): bogus number of reserved sectors [ 276.046767][T17284] FAT-fs (loop1): Can't find a valid FAT filesystem [ 276.047063][T17290] loop4: detected capacity change from 0 to 4096 [ 276.061818][T17291] loop5: detected capacity change from 0 to 3 [ 276.068819][T17290] EXT4-fs (loop4): fragment/cluster size (65536) != block size (4096) 20:56:07 executing program 4: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000", 0x60, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 276.109632][T17291] FAT-fs (loop5): bogus number of reserved sectors [ 276.127110][T17299] VFS: unable to find oldfs superblock on device loop2 [ 276.135177][T17291] FAT-fs (loop5): Can't find a valid FAT filesystem [ 276.233486][T17299] loop2: detected capacity change from 0 to 160 [ 276.241893][T17309] loop4: detected capacity change from 0 to 4096 [ 276.258659][T17299] EXT4-fs (loop2): bad geometry: block count 256 exceeds size of device (80 blocks) [ 276.270547][T17309] EXT4-fs (loop4): fragment/cluster size (65536) != block size (4096) [ 276.336691][ T3574] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 276.390386][T17321] loop2: detected capacity change from 0 to 160 [ 276.397687][T17321] EXT4-fs (loop2): bad geometry: block count 256 exceeds size of device (80 blocks) [ 276.596661][ T3574] usb 1-1: Using ep0 maxpacket: 8 [ 276.727038][ T3574] usb 1-1: New USB device found, idVendor=0c72, idProduct=000d, bcdDevice=9b.c9 [ 276.736093][ T3574] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 276.757968][ T3574] usb 1-1: config 0 descriptor?? [ 277.456690][ T3574] peak_usb 1-1:0.0: PEAK-System PCAN-USB Pro hwrev 2360287006 serial 4EEDD2AC.F1BFA003 (2 channels) [ 277.467703][ T3574] peak_usb 1-1:0.0 can0: sending command failure: -22 [ 277.474645][ T3574] peak_usb 1-1:0.0 can0: sending command failure: -22 [ 277.516800][ T3574] peak_usb: probe of 1-1:0.0 failed with error -22 [ 277.663497][ T3574] usb 1-1: USB disconnect, device number 3 20:56:10 executing program 3: openat(0xffffffffffffffff, 0x0, 0x0, 0x0) r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000080)={{0x12, 0x1, 0x0, 0xf6, 0xbe, 0xd8, 0x8, 0xc72, 0xd, 0x9bc9, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x9b, 0x10, 0x39}}]}}]}}, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000840)={0x44, &(0x7f0000000000)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r1 = syz_usb_connect$cdc_ncm(0x2, 0x10f, &(0x7f00000000c0)={{0x12, 0x1, 0x0, 0x2, 0x0, 0x0, 0x20, 0x525, 0xa4a1, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0xfd, 0x2, 0x1, 0x2, 0x0, 0x20, {{0x9, 0x4, 0x0, 0x0, 0x1, 0x2, 0xd, 0x0, 0x0, {{0x5}, {0x5, 0x24, 0x0, 0x7}, {0xd, 0x24, 0xf, 0x1, 0x3, 0x1, 0x1, 0xfd}, {0x6, 0x24, 0x1a, 0x3}, [@mdlm_detail={0x61, 0x24, 0x13, 0x20, "7bf742f8639748195c5138fdc47ae53ebb4a17d13838b6558d6d42bbfe2a299f6a6483a9f4ff32a4977789b1b02c1fe2a9e9e7a88677e577885f09eed503cbcc0adce9e147557dd7cb5dec88437a30ccee69d470ec3b1ee6ef58af93f5"}, @mdlm={0x15}, @mdlm={0x15, 0x24, 0x12, 0x7}, @mbim={0xc, 0x24, 0x1b, 0x4, 0x1, 0xff, 0x9, 0x2, 0xf9}, @country_functional={0xa, 0x24, 0x7, 0x81, 0x2, [0x1, 0x3]}]}, {{0x9, 0x5, 0x81, 0x3, 0x20, 0x80, 0x3, 0x5}}}, {}, {0x9, 0x4, 0x1, 0x1, 0x2, 0x2, 0xd, 0x0, 0x0, "", {{{0x9, 0x5, 0x82, 0x2, 0x40, 0x7, 0x8, 0xd6}}, {{0x9, 0x5, 0x3, 0x2, 0x40, 0x40, 0x6, 0x8}}}}}}}]}}, &(0x7f0000000300)={0xa, &(0x7f0000000000)={0xa, 0x6, 0x110, 0x1e, 0x38, 0x0, 0x0, 0x9}, 0x5, &(0x7f0000000040)={0x5, 0xf, 0x5}, 0x4, [{0x4, &(0x7f0000000200)=@lang_id={0x4, 0x3, 0xc0a}}, {0x4, &(0x7f0000000240)=@lang_id={0x4, 0x3, 0x62}}, {0x4, &(0x7f0000000280)=@lang_id={0x4, 0x3, 0x3401}}, {0x4, &(0x7f00000002c0)=@lang_id={0x4, 0x3, 0x1007}}]}) syz_usb_control_io(r1, &(0x7f0000000500)={0x2c, &(0x7f0000000380)={0x20, 0x1, 0x7, {0x7, 0x21, "37c130c87a"}}, &(0x7f00000003c0)={0x0, 0x3, 0xf, @string={0xf, 0x3, "c23d07a1cad00b53329dbaa306"}}, &(0x7f0000000400)={0x0, 0xf, 0x3b, {0x5, 0xf, 0x3b, 0x5, [@wireless={0xb, 0x10, 0x1, 0x2, 0x8, 0x7, 0x6, 0x7, 0x2}, @ss_cap={0xa, 0x10, 0x3, 0x2, 0xf, 0x6, 0x5, 0x8}, @ss_cap={0xa, 0x10, 0x3, 0x2, 0x2, 0x2, 0x0, 0xae}, @ss_container_id={0x14, 0x10, 0x4, 0x6, "5fbe4abf82dadbf23c4056309664ec5d"}, @ptm_cap={0x3}]}}, &(0x7f0000000480)={0x20, 0x29, 0xf, {0xf, 0x29, 0x2, 0x0, 0x9, 0xd, "7993de02", "a3af531a"}}, &(0x7f00000004c0)={0x20, 0x2a, 0xc, {0xc, 0x2a, 0x3f, 0x2, 0x81, 0x1f, 0x7, 0x8, 0x4d}}}, &(0x7f0000000a40)={0x84, &(0x7f0000000540)={0x40, 0x12, 0x40, "28f4831e411f392cc8bfe3b35196d11e5a48c25456d02382293fc547a4ba152d6a5efed97db8fd5c5c3b0483eeed06ab766fc5ae25bf7c1fb465a1ed7649fb1b"}, &(0x7f00000005c0)={0x0, 0xa, 0x1, 0x40}, &(0x7f0000000600)={0x0, 0x8, 0x1, 0x6}, &(0x7f0000000640)={0x20, 0x0, 0x4, {0x1}}, &(0x7f0000000680)={0x20, 0x0, 0x8, {0xa0, 0x0, [0x0]}}, &(0x7f00000006c0)={0x40, 0x7, 0x2, 0x3}, &(0x7f0000000700)={0x40, 0x9, 0x1, 0x4}, &(0x7f0000000740)={0x40, 0xb, 0x2, "ce56"}, &(0x7f0000000780)={0x40, 0xf, 0x2, 0x3ff}, &(0x7f00000007c0)={0x40, 0x13, 0x6, @local}, &(0x7f0000000800)={0x40, 0x17, 0x6, @local}, &(0x7f0000000900)={0x40, 0x19, 0x2, "e5a6"}, &(0x7f0000000940)={0x40, 0x1a, 0x2, 0xff}, &(0x7f0000000980)={0x40, 0x1c, 0x1, 0x6}, &(0x7f00000009c0)={0x40, 0x1e, 0x1, 0x1f}, &(0x7f0000000a00)={0x40, 0x21, 0x1, 0x4}}) 20:56:10 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x900, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:56:10 executing program 4: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000", 0x60, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:56:10 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x500000000000000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:56:10 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x20000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) 20:56:10 executing program 0: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0xf6ffffff, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 278.633724][T17368] loop5: detected capacity change from 0 to 4 [ 278.639664][T17367] loop0: detected capacity change from 0 to 264192 [ 278.644978][T17371] loop4: detected capacity change from 0 to 4096 [ 278.648296][T17370] loop1: detected capacity change from 0 to 264192 [ 278.658666][T17368] FAT-fs (loop5): bogus number of reserved sectors [ 278.670320][T17371] EXT4-fs (loop4): fragment/cluster size (65536) != block size (4096) [ 278.680869][T17368] FAT-fs (loop5): Can't find a valid FAT filesystem [ 278.689465][T17377] VFS: unable to find oldfs superblock on device loop2 [ 278.698422][T17367] FAT-fs (loop0): bogus number of reserved sectors [ 278.700265][T17370] FAT-fs (loop1): bogus number of reserved sectors [ 278.708274][T17367] FAT-fs (loop0): Can't find a valid FAT filesystem [ 278.711500][T17370] FAT-fs (loop1): Can't find a valid FAT filesystem 20:56:10 executing program 4: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200", 0x63, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 278.738123][T17377] loop2: detected capacity change from 0 to 256 [ 278.745686][T17377] EXT4-fs (loop2): bad geometry: block count 256 exceeds size of device (128 blocks) [ 278.765844][T17392] loop4: detected capacity change from 0 to 4096 20:56:10 executing program 0: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x300, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 278.781041][T17392] EXT4-fs (loop4): fragment/cluster size (65536) != block size (4096) [ 278.785015][T17368] loop5: detected capacity change from 0 to 4 [ 278.789481][T17370] loop1: detected capacity change from 0 to 264192 [ 278.802683][T17368] FAT-fs (loop5): bogus number of reserved sectors [ 278.810502][T17368] FAT-fs (loop5): Can't find a valid FAT filesystem [ 278.873275][T17370] FAT-fs (loop1): bogus number of reserved sectors [ 278.879997][T17409] loop0: detected capacity change from 0 to 1 [ 278.890696][T17409] FAT-fs (loop0): bogus number of reserved sectors [ 278.896768][T17377] VFS: unable to find oldfs superblock on device loop2 [ 278.897578][T17409] FAT-fs (loop0): Can't find a valid FAT filesystem 20:56:10 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0xa00, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:56:10 executing program 4: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200", 0x63, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 278.926855][T17370] FAT-fs (loop1): Can't find a valid FAT filesystem 20:56:10 executing program 0: pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004", 0x4d, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:56:10 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x600000000000000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 278.986610][T17419] loop5: detected capacity change from 0 to 5 [ 279.009422][T17419] FAT-fs (loop5): bogus number of reserved sectors [ 279.016074][T17419] FAT-fs (loop5): Can't find a valid FAT filesystem [ 279.045144][T17423] loop4: detected capacity change from 0 to 4096 [ 279.059606][T17423] EXT4-fs (loop4): fragment/cluster size (65536) != block size (4096) [ 279.059986][T17419] loop5: detected capacity change from 0 to 5 [ 279.076280][T17427] loop0: detected capacity change from 0 to 4096 [ 279.078534][T17419] FAT-fs (loop5): bogus number of reserved sectors [ 279.089599][T17419] FAT-fs (loop5): Can't find a valid FAT filesystem [ 279.089989][T17427] EXT4-fs (loop0): invalid first ino: 0 [ 279.106708][T17434] loop1: detected capacity change from 0 to 264192 [ 279.138936][T17434] FAT-fs (loop1): bogus number of reserved sectors [ 279.145539][T17434] FAT-fs (loop1): Can't find a valid FAT filesystem [ 279.203448][T17434] loop1: detected capacity change from 0 to 264192 [ 279.213939][T17434] FAT-fs (loop1): bogus number of reserved sectors [ 279.230340][T17434] FAT-fs (loop1): Can't find a valid FAT filesystem 20:56:13 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0xb00, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:56:13 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40002, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) 20:56:13 executing program 4: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200", 0x63, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:56:13 executing program 0: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x10000000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:56:13 executing program 3: r0 = openat(0xffffffffffffffff, 0x0, 0x0, 0x0) preadv(r0, &(0x7f0000000680)=[{&(0x7f0000000400)=""/190, 0xbe}, {&(0x7f00000004c0)=""/133, 0x85}, {&(0x7f0000000580)=""/246, 0xf6}], 0x3, 0x9, 0x56) r1 = syz_usb_connect(0x0, 0x24, &(0x7f0000000080)={{0x12, 0x1, 0x0, 0xf6, 0xbe, 0xd8, 0x8, 0xc72, 0xd, 0x9bc9, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x9b, 0x10, 0x39}}]}}]}}, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000001240)={&(0x7f0000000200)=@newlink={0x3c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_MTU={0x8, 0x4, 0x10001}, @IFLA_IFNAME={0x14, 0x3, 'ip6gretap0\x00'}]}, 0x3c}}, 0x0) r3 = syz_open_dev$audion(&(0x7f00000006c0)='/dev/audio#\x00', 0x1, 0x600) sendmsg$nl_route_sched(r3, &(0x7f0000000780)={&(0x7f0000000700)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000740)={&(0x7f0000000900)=@newtclass={0x10c, 0x28, 0x10, 0x70bd25, 0x25dfdbfe, {0x0, 0x0, 0x0, 0x0, {0xe, 0xd}, {0x6, 0xf}, {0x1, 0x8}}, [@TCA_RATE={0x6, 0x5, {0x0, 0xff}}, @tclass_kind_options=@c_cbq={{0x8, 0x1, 'cbq\x00'}, {0xa4, 0x2, [@TCA_CBQ_FOPT={0x10, 0x3, {{0x9, 0x7}, 0xffffffff, 0x80000001}}, @TCA_CBQ_RATE={0x10, 0x5, {0x40, 0x2, 0x4f2d, 0x8000, 0xfa0, 0x10001}}, @TCA_CBQ_RATE={0x10, 0x5, {0x0, 0x1, 0x7, 0xc000, 0x29, 0x1}}, @TCA_CBQ_FOPT={0x10, 0x3, {{0xb, 0x10}, 0x8, 0x53f}}, @TCA_CBQ_LSSOPT={0x18, 0x1, {0x34, 0x0, 0x1b, 0x5, 0xffff2a04, 0x4, 0x7, 0x10001}}, @TCA_CBQ_FOPT={0x10, 0x3, {{0x4, 0xfff4}, 0x9, 0xfffffffa}}, @TCA_CBQ_FOPT={0x10, 0x3, {{0xfff6, 0xb}, 0x9, 0xfffffffa}}, @TCA_CBQ_FOPT={0x10, 0x3, {{0x10, 0x3}, 0xfff, 0x9011}}, @TCA_CBQ_LSSOPT={0x18, 0x1, {0x0, 0x2, 0x0, 0x3, 0x59d, 0xdc6, 0x20, 0x100}}]}}, @TCA_RATE={0x6, 0x5, {0x3, 0x9}}, @TCA_RATE={0x6, 0x5, {0x7f, 0x8a}}, @tclass_kind_options=@c_ingress={0xc, 0x1, 'ingress\x00'}, @tclass_kind_options=@c_clsact={0xb, 0x1, 'clsact\x00'}, @tclass_kind_options=@c_multiq={0xb, 0x1, 'multiq\x00'}]}, 0x10c}, 0x1, 0x0, 0x0, 0x800}, 0x14) statx(r0, &(0x7f0000000200)='./file0\x00', 0x0, 0x4, &(0x7f0000000240)={0x0, 0x0, 0x0, 0x0, 0x0}) syz_mount_image$ext4(&(0x7f0000000000)='ext2\x00', &(0x7f0000000040)='./file0\x00', 0x80000000, 0x2, &(0x7f00000001c0)=[{&(0x7f00000000c0)="0a2976a910428d5f65c51f460d30a17da5c9707d00e7b1cf40875cfce9a68faa2e1194cdd46cf4a6f2e81775abef71426cf49d4c608f6096c9bda1074330c1f08db60f595698411c61e5eb55e6f4534d419c604a7c00035bbcd03defbf7120f562cb87864a97f02aeccc76ab025be0fd807478366923825f2aed11993c0ed083651b55f60e18fb3bbd72cfe4e9afcba60917284075", 0x95, 0x3}, {&(0x7f0000000180)="8d8941d55c31e00299e5d8e5b46b8e6e4797f592117cfaebd047", 0x1a, 0xff}], 0x40001, &(0x7f0000000340)={[{@debug='debug'}, {@journal_async_commit='journal_async_commit'}, {@init_itable='init_itable'}, {@journal_path={'journal_path', 0x3d, './file0'}}, {@bsdgroups='bsdgroups'}, {@nolazytime='nolazytime'}, {@nombcache='nombcache'}, {@barrier='barrier'}, {@data_err_ignore='data_err=ignore'}], [{@smackfstransmute={'smackfstransmute'}}, {@smackfsfloor={'smackfsfloor'}}, {@dont_appraise='dont_appraise'}, {@euid_gt={'euid>', r4}}]}) syz_usb_control_io(r1, 0x0, &(0x7f0000000840)={0x44, &(0x7f0000000000)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) 20:56:13 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x604000000000000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 281.688808][T17465] loop0: detected capacity change from 0 to 264192 [ 281.696027][T17466] loop1: detected capacity change from 0 to 264192 [ 281.702768][T17468] loop4: detected capacity change from 0 to 4096 [ 281.710465][T17465] FAT-fs (loop0): bogus number of reserved sectors [ 281.713207][T17471] loop5: detected capacity change from 0 to 5 [ 281.728951][T17465] FAT-fs (loop0): Can't find a valid FAT filesystem [ 281.784261][T17468] EXT4-fs (loop4): fragment/cluster size (65536) != block size (4096) [ 281.798600][T17471] FAT-fs (loop5): bogus number of reserved sectors [ 281.799120][T17466] FAT-fs (loop1): bogus number of reserved sectors [ 281.805134][T17471] FAT-fs (loop5): Can't find a valid FAT filesystem [ 281.818359][T17470] VFS: unable to find oldfs superblock on device loop2 20:56:13 executing program 0: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x600000000000000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 281.904020][T17466] FAT-fs (loop1): Can't find a valid FAT filesystem 20:56:13 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0xc00, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:56:13 executing program 4: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c2000012", 0x65, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:56:13 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x700000000000000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 281.966901][T17466] loop1: detected capacity change from 0 to 264192 [ 281.975313][T17466] FAT-fs (loop1): bogus number of reserved sectors [ 281.986666][T17466] FAT-fs (loop1): Can't find a valid FAT filesystem [ 281.997049][T17500] loop0: detected capacity change from 0 to 264192 [ 282.006065][T17500] FAT-fs (loop0): bogus number of reserved sectors 20:56:13 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40003, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) [ 282.090374][T17500] FAT-fs (loop0): Can't find a valid FAT filesystem [ 282.108127][T17510] loop5: detected capacity change from 0 to 6 [ 282.119844][T17509] loop4: detected capacity change from 0 to 4096 [ 282.135409][T17510] FAT-fs (loop5): bogus number of reserved sectors [ 282.146807][T17510] FAT-fs (loop5): Can't find a valid FAT filesystem 20:56:13 executing program 0: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x74, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 282.199292][T17509] EXT4-fs (loop4): fragment/cluster size (65536) != block size (4096) [ 282.229713][T17510] loop5: detected capacity change from 0 to 6 [ 282.238709][T17518] VFS: unable to find oldfs superblock on device loop2 20:56:13 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x800000000000000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 282.245926][T17517] loop1: detected capacity change from 0 to 264192 [ 282.261342][T17517] FAT-fs (loop1): bogus number of reserved sectors [ 282.271624][T17510] FAT-fs (loop5): bogus number of reserved sectors [ 282.280469][T17517] FAT-fs (loop1): Can't find a valid FAT filesystem [ 282.287104][T17510] FAT-fs (loop5): Can't find a valid FAT filesystem 20:56:13 executing program 4: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c2000012", 0x65, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 282.322135][T17529] loop2: detected capacity change from 0 to 512 [ 282.334417][T17529] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 282.344725][T17529] EXT4-fs (loop2): group descriptors corrupted! 20:56:13 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0xd00, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 282.373921][T17530] FAT-fs (loop0): bogus number of reserved sectors [ 282.393703][T17530] FAT-fs (loop0): Can't find a valid FAT filesystem [ 282.404988][T17538] loop2: detected capacity change from 0 to 512 [ 282.412607][T17538] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 282.423233][T17544] loop4: detected capacity change from 0 to 4096 [ 282.423370][T17538] EXT4-fs (loop2): group descriptors corrupted! [ 282.441149][T17546] loop1: detected capacity change from 0 to 264192 [ 282.464356][T17546] FAT-fs (loop1): bogus number of reserved sectors [ 282.472835][T17546] FAT-fs (loop1): Can't find a valid FAT filesystem [ 282.489742][T17544] EXT4-fs (loop4): fragment/cluster size (65536) != block size (4096) 20:56:14 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40004, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) [ 282.514868][T17553] loop5: detected capacity change from 0 to 6 [ 282.534103][T17553] FAT-fs (loop5): bogus number of reserved sectors [ 282.563147][T17553] FAT-fs (loop5): Can't find a valid FAT filesystem [ 282.583343][T17560] VFS: unable to find oldfs superblock on device loop2 [ 282.631112][T17553] loop5: detected capacity change from 0 to 6 [ 282.637348][T17560] loop2: detected capacity change from 0 to 512 [ 282.644722][T17553] FAT-fs (loop5): bogus number of reserved sectors [ 282.651932][T17560] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 282.660294][T17553] FAT-fs (loop5): Can't find a valid FAT filesystem [ 282.663465][T17560] EXT4-fs (loop2): group descriptors corrupted! 20:56:16 executing program 3: r0 = openat(0xffffffffffffffff, 0x0, 0x0, 0x0) ioctl$F2FS_IOC_RESIZE_FS(r0, 0x4008f510, &(0x7f0000000480)=0x5) r1 = syz_usb_connect(0x0, 0x24, &(0x7f0000000080)={{0x12, 0x1, 0x0, 0xf6, 0xbe, 0xd8, 0x8, 0xc72, 0xd, 0x9bc9, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x9b, 0x10, 0x39}}]}}]}}, 0x0) r2 = socket$inet6_udplite(0xa, 0x2, 0x88) preadv(r2, &(0x7f00000001c0)=[{}, {&(0x7f0000000200)=""/203, 0xcb}, {&(0x7f0000000040)=""/1, 0x1}, {&(0x7f0000001900)=""/4080, 0xff0}], 0x4, 0x0, 0x3) syz_usb_connect$hid(0x6, 0x36, &(0x7f00000000c0)={{0x12, 0x1, 0x310, 0x0, 0x0, 0x0, 0x40, 0xeef, 0x72d0, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0xc4, 0x80, 0x40, [{{0x9, 0x4, 0x0, 0x0, 0x2, 0x3, 0x1, 0x0, 0x1, {0x9, 0x21, 0x282, 0x74, 0x1, {0x22, 0x72c}}, {{{0x9, 0x5, 0x81, 0x3, 0x40, 0x9, 0x2, 0x20}}}}}]}}]}}, &(0x7f0000000180)={0xa, &(0x7f0000000100)={0xa, 0x6, 0x200, 0x3, 0x5, 0x0, 0x40, 0x81}, 0xac, &(0x7f0000000300)={0x5, 0xf, 0xac, 0x6, [@wireless={0xb, 0x10, 0x1, 0x8, 0x0, 0xc1, 0x0, 0xfffd, 0x1}, @ssp_cap={0x18, 0x10, 0xa, 0x97, 0x3, 0x3, 0x0, 0xe2c, [0xfedf2e, 0xc000, 0xc0]}, @ptm_cap={0x3}, @generic={0x7b, 0x10, 0x12, "94e3fc8458cc65602fdbcc02646f3ee6c9726587fe2546a9baaf6b6dd65842d0808bbbd4db3a8e9e1afcbb680dfe6c4fb3fde4c5e6b5dd83b7ba97b5d781c86c5a3a3c275b7512f463020217c63bcbea9bc6ab08b008f45046d2f89e852b7f2dc7b3da178eb57b3658aaf1d3f5bb94e9fd19f273340bb258"}, @ptm_cap={0x3}, @ptm_cap={0x3}]}, 0x2, [{0xb3, &(0x7f00000003c0)=@string={0xb3, 0x3, "94ca16984e2e590fd8f592108a7940a1be64a1adf4f6d284b8eeaf2711e5a7418c8d0aa7a83639c1f466ae9ec3bab8463d475e60f7dcc9d50994dbc718397577fd8f6be526509e81747f995112f7043329664d098ee6f388a7cf5c082fe898e1ecae64a718cfc1d7df3097c5db684c24625221f002f1d8ba0732a8f50c3149041db8dadc1b494d35ca89e720f24f917a572b9fdb4f050f677e3681da8b751665fbe9f84196cf3f53ddd8d2228e445d5cc7"}}, {0xfffffffffffffe53, &(0x7f0000000140)=@lang_id={0x4, 0x3, 0x44c}}]}) r3 = syz_usb_connect$uac1(0x4, 0xdb, &(0x7f0000000680)={{0x12, 0x1, 0x201, 0x0, 0x0, 0x0, 0x20, 0x1d6b, 0x101, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0xc9, 0x3, 0x1, 0xd4, 0x40, 0x9, {{0x9, 0x4, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, {{0xa, 0x24, 0x1, 0x26d, 0x3f}, [@mixer_unit={0xb, 0x24, 0x4, 0x3, 0x1, "b3079052b78b"}, @mixer_unit={0xb, 0x24, 0x4, 0x3, 0x3f, "8938b3fd8332"}]}}, {}, {0x9, 0x4, 0x1, 0x1, 0x1, 0x1, 0x2, 0x0, 0x0, {[@format_type_i_continuous={0xc, 0x24, 0x2, 0x1, 0x4, 0x1, 0x3, 0x5, "2fa085", "fa"}, @format_type_ii_discrete={0xb, 0x24, 0x2, 0x2, 0xb65d, 0xbf26, 0x2, "bc5d"}]}, {{0x9, 0x5, 0x1, 0x9, 0x200, 0x2, 0x2, 0xfb, {0x7, 0x25, 0x1, 0x81, 0x4, 0x80}}}}, {}, {0x9, 0x4, 0x2, 0x1, 0x1, 0x1, 0x2, 0x0, 0x0, {[@as_header={0x7, 0x24, 0x1, 0x1d, 0x3, 0x3003}, @format_type_ii_discrete={0x12, 0x24, 0x2, 0x2, 0x3ff, 0x8001, 0xfe, "28c0ca74dee6a821d9"}, @format_type_ii_discrete={0xd, 0x24, 0x2, 0x2, 0x8, 0x7fff, 0x4, "80df378c"}, @as_header={0x7, 0x24, 0x1, 0x8, 0x3f, 0x1}, @format_type_i_discrete={0x10, 0x24, 0x2, 0x1, 0x9, 0x2, 0x4, 0xc0, "0f74195e5f03ac7b"}]}, {{0x9, 0x5, 0x82, 0x9, 0x600, 0x6, 0xff, 0x7f, {0x7, 0x25, 0x1, 0x3, 0x2, 0x1a15}}}}}}}]}}, &(0x7f00000009c0)={0xa, &(0x7f0000000780)={0xa, 0x6, 0x110, 0x7f, 0x0, 0x7, 0x10, 0x3}, 0x34, &(0x7f00000007c0)={0x5, 0xf, 0x34, 0x3, [@ss_container_id={0x14, 0x10, 0x4, 0x5, "167d4d221ab1fcb8fb500f4f14d8adfc"}, @generic={0x11, 0x10, 0x1, "7999327c4d12fc8f81807cab7199"}, @ss_cap={0xa, 0x10, 0x3, 0x0, 0x2, 0x2, 0x54, 0x40}]}, 0x3, [{0x71, &(0x7f0000000900)=@string={0x71, 0x3, "f819cc45a56ef039ec5b995178c3bd6d5b68e931568fce0be0dfa835efc9d06e8142a0909763a1ecbde3e1cf683e891cd2f7ea31a3219abc96cfa9daf5b5ce4e6cb67b3f19e2b8942dd258e4b873833623a9dde93a422e9e0db2fa3f11f71370d9319a4762b465ecbd1661f346b241"}}, {0x38, &(0x7f0000000800)=@string={0x38, 0x3, "bc2f1ab6c05b9da924d1c084b727097184a76bb5368288c417237748b08123df12d1682d170ad141a40495e6527dc02f54a7333f1ba4"}}, {0x4, &(0x7f0000000980)=@lang_id={0x4, 0x3, 0x2806}}]}) syz_usb_control_io(r3, &(0x7f0000000bc0)={0x2c, &(0x7f0000000a00)={0x40, 0x3, 0x3a, {0x3a, 0xb, "8dc3befb2b73014bd38cb46b2deb99adbb6b8e410ddb83fe64ad85a3defca436bd1d26f31b7547112b87379c39bcb95457dddc053f3e2f54"}}, &(0x7f0000000a40)={0x0, 0x3, 0x90, @string={0x90, 0x3, "2cf50eb7ebcc76bad63b3c91010b3ecdd6cfaa253f579230a6388b943ea954c7e12191c7b1c2ac6db4973e068669c732f3f7aa404301ed08f5d3069b06d31fe423f3d10cbc1bec8dc34f30567a1260d796f46d4e46b42f925fe47451c720eb4f780ca2d812c08ed8d83aab7370d6edfca67290e2d27d3fbde7eb0e75dd46749a540f50d9314dbb1cc64f1384a364"}}, &(0x7f0000000b00)={0x0, 0xf, 0x37, {0x5, 0xf, 0x37, 0x3, [@ptm_cap={0x3}, @ssp_cap={0x24, 0x10, 0xa, 0x6, 0x6, 0x4, 0xf0f, 0x4, [0x0, 0xf0, 0x0, 0x1010000, 0xf, 0x0]}, @wireless={0xb, 0x10, 0x1, 0x2, 0x0, 0x3f, 0x1f, 0x88c2, 0x5}]}}, &(0x7f0000000b40)={0x20, 0x29, 0xf, {0xf, 0x29, 0xbb, 0x4, 0x8, 0xfc, "ff1ff13a", "744c737f"}}, &(0x7f0000000b80)={0x20, 0x2a, 0xc, {0xc, 0x2a, 0x1, 0x3, 0x6, 0x8, 0x2, 0xe9f2, 0x9}}}, &(0x7f0000001040)={0x84, &(0x7f0000000c00)={0x20, 0x0, 0x40, "b95e53f57e1469675dbbf7ac0d31610e3e23f0bcdb2e302de4a68f94d6c56b4b4d323045e61203228bfa4815cbe0952ccc2e204192a1e32f101b79ca43d611c2"}, &(0x7f0000000c80)={0x0, 0xa, 0x1, 0x80}, &(0x7f0000000cc0)={0x0, 0x8, 0x1, 0x81}, &(0x7f0000000d00)={0x20, 0x0, 0x4, {0x3}}, &(0x7f0000000d40)={0x20, 0x0, 0x8, {0x140, 0x10, [0xf0]}}, &(0x7f0000000d80)={0x40, 0x7, 0x2, 0xd0}, &(0x7f0000000dc0)={0x40, 0x9, 0x1, 0x7f}, &(0x7f0000000e00)={0x40, 0xb, 0x2, "6d83"}, &(0x7f0000000e40)={0x40, 0xf, 0x2}, &(0x7f0000000e80)={0x40, 0x13, 0x6, @dev={[], 0xa}}, &(0x7f0000000ec0)={0x40, 0x17, 0x6}, &(0x7f0000000f00)={0x40, 0x19, 0x2, "a2d4"}, &(0x7f0000000f40)={0x40, 0x1a, 0x2, 0x6}, &(0x7f0000000f80)={0x40, 0x1c, 0x1, 0x9}, &(0x7f0000000fc0)={0x40, 0x1e, 0x1, 0x8}, &(0x7f0000001000)={0x40, 0x21, 0x1, 0x9}}) openat(r0, &(0x7f0000000000)='./file0\x00', 0x101000, 0x82) syz_usb_control_io(r1, 0x0, &(0x7f0000000840)={0x44, &(0x7f0000000000)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) setsockopt$inet6_MCAST_MSFILTER(r0, 0x29, 0x30, &(0x7f00000004c0)={0x5, {{0xa, 0x4e24, 0x20000, @remote, 0x6}}, 0x1, 0x2, [{{0xa, 0x4e20, 0x401, @mcast2, 0x2}}, {{0xa, 0x4e24, 0x3, @dev={0xfe, 0x80, [], 0x1e}, 0x5}}]}, 0x190) 20:56:16 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x900000000000000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:56:16 executing program 0: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c2000012", 0x65, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:56:16 executing program 4: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c2000012", 0x65, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:56:16 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40005, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) 20:56:16 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0xe00, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 284.755017][T17590] loop1: detected capacity change from 0 to 264192 [ 284.764162][T17592] loop0: detected capacity change from 0 to 4096 [ 284.769457][T17591] loop5: detected capacity change from 0 to 7 [ 284.777441][T17594] loop4: detected capacity change from 0 to 4096 [ 284.780007][T17590] FAT-fs (loop1): bogus number of reserved sectors [ 284.793176][T17592] EXT4-fs (loop0): fragment/cluster size (65536) != block size (4096) 20:56:16 executing program 0: openat(0xffffffffffffffff, 0x0, 0x0, 0x0) r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000080)={{0x12, 0x1, 0x0, 0xf6, 0xbe, 0xd8, 0x8, 0xc72, 0xd, 0x9bc9, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x9b, 0x10, 0x39}}]}}]}}, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000840)={0x44, &(0x7f0000000000)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$hid(r0, &(0x7f0000000200)={0x24, &(0x7f00000000c0)={0x40, 0xb, 0xcf, {0xcf, 0x31, "cc8cbb786f6cfa3974dec269df694b31e1ea38bf6e3935d893cee85c195f6e9b799ba2af0592aa0fea900e67a57acfa943726c05ca4718b1ae06feb32fb079fa084da97ad6fc4ff883567a2a007f1bc617288f654bbcd8f30cc6998aa444522d7960213f6ff20687500aba52f4716a61bc43ce3b28b7e7395321dbc3a003069a67aca1ec440a41e69aeaa01a5225b69fbe878bf426e2fb131c668e7c1cdd94f50644950f020f02ef4f984cc62e22f88cc47e291e450c65cc8a4e5a196aa78da3be0e9c13bbaaaeb4838ffb28fb"}}, &(0x7f0000000000)={0x0, 0x3, 0x4, @lang_id={0x4, 0x3, 0x1c09}}, &(0x7f0000000040)={0x0, 0x22, 0x17, {[@global=@item_4={0x3, 0x1, 0x7, "b7b1670c"}, @main=@item_4={0x3, 0x0, 0xa, "f8e41e72"}, @global=@item_012={0x2, 0x1, 0xb, '\"@'}, @global=@item_4={0x3, 0x1, 0x3, "2ced78bf"}, @local=@item_4={0x3, 0x2, 0x8, "f7f43870"}]}}, &(0x7f00000001c0)={0x0, 0x21, 0x9, {0x9, 0x21, 0x3, 0x1f, 0x1, {0x22, 0x49f}}}}, &(0x7f00000003c0)={0x2c, &(0x7f0000000240)={0x60, 0xe, 0x55, "d652cf530b256dcd66799491046021eb09a82dea250da99bb91c260266578be4173da599b7e9a9daf2b1f4e18e510156c924081d739b1525b0b1c60511a3991a1cad3eb933dbe76e51a0dd17808673068eb0fa7cde"}, &(0x7f00000002c0)={0x0, 0xa, 0x1, 0x9}, 0xfffffffffffffffd, &(0x7f0000000300)={0x20, 0x1, 0x58, "38847825bcda160cd46aac470cd5dea573db06838853809d2fe25274146a0ad35147a4f6b6b3c518e68e3e04fedde27cab8340e4a9bcee893b046296e5a238e40cfc5fbbc515de1dcd8210e8dd05d1bca96c653c918f8bd6"}, &(0x7f0000000380)={0x20, 0x3, 0x1}}) [ 284.797259][T17597] VFS: unable to find oldfs superblock on device loop2 [ 284.803957][T17590] FAT-fs (loop1): Can't find a valid FAT filesystem [ 284.819434][T17591] FAT-fs (loop5): bogus number of reserved sectors [ 284.830073][T17594] EXT4-fs (loop4): fragment/cluster size (65536) != block size (4096) [ 284.839078][T17591] FAT-fs (loop5): Can't find a valid FAT filesystem 20:56:16 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0xa00000000000000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:56:16 executing program 4: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 284.913257][T17617] loop2: detected capacity change from 0 to 512 [ 284.920208][T17591] loop5: detected capacity change from 0 to 7 [ 284.946342][T17617] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 284.956727][T17591] FAT-fs (loop5): bogus number of reserved sectors 20:56:16 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0xe01, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 284.963354][T17591] FAT-fs (loop5): Can't find a valid FAT filesystem [ 285.011683][T17617] EXT4-fs (loop2): group descriptors corrupted! [ 285.025246][T17630] loop4: detected capacity change from 0 to 4096 [ 285.034835][T17630] EXT4-fs (loop4): VFS: Can't find ext4 filesystem [ 285.056181][T17632] loop5: detected capacity change from 0 to 7 [ 285.062536][T17629] loop1: detected capacity change from 0 to 264192 [ 285.080700][T17629] FAT-fs (loop1): bogus number of reserved sectors [ 285.087403][T17629] FAT-fs (loop1): Can't find a valid FAT filesystem 20:56:16 executing program 4: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:56:16 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40006, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) [ 285.107104][T17632] FAT-fs (loop5): bogus number of reserved sectors [ 285.117851][T17632] FAT-fs (loop5): Can't find a valid FAT filesystem [ 285.137690][T17629] loop1: detected capacity change from 0 to 264192 [ 285.148570][T17629] FAT-fs (loop1): bogus number of reserved sectors [ 285.155145][T17629] FAT-fs (loop1): Can't find a valid FAT filesystem [ 285.164538][T17632] loop5: detected capacity change from 0 to 7 [ 285.164539][T17652] loop4: detected capacity change from 0 to 4096 [ 285.167601][T17652] EXT4-fs (loop4): VFS: Can't find ext4 filesystem [ 285.183917][T17632] FAT-fs (loop5): bogus number of reserved sectors [ 285.199176][T17632] FAT-fs (loop5): Can't find a valid FAT filesystem [ 285.253283][T17663] VFS: unable to find oldfs superblock on device loop2 [ 285.289023][T17663] loop2: detected capacity change from 0 to 512 [ 285.296165][T17663] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 285.308210][T17663] EXT4-fs (loop2): group descriptors corrupted! [ 285.316914][ T7] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 285.339629][T17663] VFS: unable to find oldfs superblock on device loop2 [ 285.388091][T17676] loop2: detected capacity change from 0 to 512 [ 285.395359][T17676] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 285.406372][T17676] EXT4-fs (loop2): group descriptors corrupted! [ 285.576710][ T7] usb 1-1: Using ep0 maxpacket: 8 [ 285.717365][ T7] usb 1-1: New USB device found, idVendor=0c72, idProduct=000d, bcdDevice=9b.c9 [ 285.730022][ T7] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 285.748449][ T7] usb 1-1: config 0 descriptor?? [ 286.246736][ T7] peak_usb 1-1:0.0 can0: unable to request usb[type=0 value=0] err=-71 [ 286.255059][ T7] peak_usb 1-1:0.0: unable to read PCAN-USB Pro bootloader info (err -71) [ 286.307764][ T7] peak_usb: probe of 1-1:0.0 failed with error -71 [ 286.317205][ T7] usb 1-1: USB disconnect, device number 4 20:56:19 executing program 3: open(&(0x7f0000000000)='./file0\x00', 0xc0000, 0x2) openat(0xffffffffffffffff, 0x0, 0x0, 0x0) r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000080)={{0x12, 0x1, 0x0, 0xf6, 0xbe, 0xd8, 0x8, 0xc72, 0xd, 0x9bc9, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x9b, 0x10, 0x39}}]}}]}}, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000840)={0x44, &(0x7f0000000000)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) 20:56:19 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0xb00000000000000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:56:19 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0xf00, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:56:19 executing program 4: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:56:19 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40007, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) 20:56:19 executing program 0: r0 = openat(0xffffffffffffffff, 0x0, 0x0, 0x0) preadv(r0, &(0x7f0000000000)=[{&(0x7f00000000c0)=""/211, 0xd3}, {&(0x7f00000001c0)=""/230, 0xe6}, {&(0x7f00000002c0)=""/228, 0xe4}], 0x3, 0x3, 0x101) r1 = syz_usb_connect(0x0, 0x24, &(0x7f0000000080)={{0x12, 0x1, 0x0, 0xf6, 0xbe, 0xd8, 0x8, 0xc72, 0xd, 0x9bc9, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x9b, 0x10, 0x39}}]}}]}}, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) syz_usb_connect$hid(0x5, 0x36, &(0x7f0000000040)={{0x12, 0x1, 0x250, 0x0, 0x0, 0x0, 0x40, 0x17ef, 0x6062, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0x2, 0x0, 0x9c, [{{0x9, 0x4, 0x0, 0x7c, 0x2, 0x3, 0x1, 0x2, 0x81, {0x9, 0x21, 0x1, 0x8, 0x1, {0x22, 0x1bd}}, {{{0x9, 0x5, 0x81, 0x3, 0x8, 0x0, 0x1, 0x57}}}}}]}}]}}, &(0x7f0000000740)={0xa, &(0x7f0000000480)={0xa, 0x6, 0x310, 0x80, 0x51, 0x6, 0x20, 0x80}, 0x49, &(0x7f00000004c0)={0x5, 0xf, 0x49, 0x1, [@generic={0x44, 0x10, 0x4, "638840fbd37c61e75c110e850aec9e9ead1303b399838a0e9479b4470e67961dd819ae67a635ea107f56b483fbd3cf30e89c052efdebbbca4f23a946ac6166108c"}]}, 0x4, [{0x6b, &(0x7f0000000540)=@string={0x6b, 0x3, "eeeb83850d2401e98532d2702fda7ddb5851a5d0652cc163f54a41c1ea8d217c3c595198f046a146fa492591473c87f3000e4e71d8dd15462b40bbc8eb4f1a9074137bbbf34a2c5395a9ff5ef3bb6c47ededeea7725bc54c17dea22f1ab5d05c8d4f8e39cd15928415"}}, {0x14, &(0x7f00000005c0)=@string={0xfffffe26, 0x3, "229ae526a8013988d5b780dc85aeea12d664"}}, {0x4, &(0x7f0000000700)=@lang_id={0x4, 0x3, 0x1009}}, {0x4, &(0x7f0000000600)=@string={0x0, 0x3, "2aef47efc749329f315393219219995705fedfed2848b8e7311fa8e8e301cbaf724904d3673d7fddd10824844695f985e0277e2b1cd74402adf17f5632d25b92da1bcdc01a98d043532e1a5da3e901eb2ebdaa31fab3b4bc77ce39c2315ce5bdd21015983927912760304626cb54ca9c14a8f7f9b3fa5de4afdec02a86a6"}}]}) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000001240)={&(0x7f0000000200)=@newlink={0x3c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_MTU={0x8, 0x4, 0x10001}, @IFLA_IFNAME={0x14, 0x3, 'ip6gretap0\x00'}]}, 0x3c}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000001240)={&(0x7f0000000200)=@newlink={0x3c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_MTU={0x8, 0x4, 0x10001}, @IFLA_IFNAME={0x14, 0x3, 'ip6gretap0\x00'}]}, 0x3c}}, 0x0) syz_usb_control_io(r1, 0x0, &(0x7f00000003c0)={0x84, &(0x7f0000003400)=ANY=[@ANYBLOB="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", @ANYRESOCT, @ANYRES32, @ANYRES64=r0, @ANYBLOB="f25d09eed048989a78cdff50cf59b05161ecd82800c1895e07efcd34fd6a4ca518d9c2fff3612c6f51b145233cd665709f8e269cf7c3cad897b899eed35bc5627283a547f04cf683cad56a446e56be18ef2c5ec405b11c", @ANYRESDEC=r2, @ANYRESHEX=r3, @ANYBLOB="6cc657a4a76f2d39b0000881933588f64f399d2d02fb86f24e575850818deef6c42083994d36949e4416ebeae0261662c85fb55f131c86c2c51f6084bc0a1abcbc2c79a0d01f4e73b792b21000c8ad37a42ac4616e0b0354e7fcd3a045ac9eb1d5b24721111ff1d90a", @ANYBLOB="1e06d5c38b86c17db53dd2d8a580d05db3b598af4aae0d8728a50028dc830c34c587285a1f3a2dacd785c6ccb67de751aca79c4567a1cf3ea9d3d9495df7059d493ab382c8167ecfd558ac3b5c5926325d75506c63c487363e90f3ac0b0146191867ccf4803610341b1f604db48d25829a47289057882622f3b0438bd6a13badd8400e4e5f5c60d6490b1319ec6e9518c6caab4f75f635bcb52eaaaae347301f47a7f2f7e76ea3d3c0e989c8b2bba35be3095fc1a38e4c209a115f2140a6d891252d7187a35375c7a54ef1c238d8e23bc63c0ac946076f1af8cd2612cd6fc0d57f2f848049a252daf758963b7e726cd8c67b88"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) [ 287.822274][T17717] loop5: detected capacity change from 0 to 7 [ 287.830150][T17716] loop4: detected capacity change from 0 to 4096 [ 287.844313][T17717] FAT-fs (loop5): bogus number of reserved sectors [ 287.846271][T17722] VFS: unable to find oldfs superblock on device loop2 [ 287.858117][T17716] EXT4-fs (loop4): VFS: Can't find ext4 filesystem [ 287.858226][T17717] FAT-fs (loop5): Can't find a valid FAT filesystem [ 287.872170][T17728] loop1: detected capacity change from 0 to 264192 [ 287.889982][T17728] FAT-fs (loop1): bogus number of reserved sectors [ 287.899179][T17728] FAT-fs (loop1): Can't find a valid FAT filesystem 20:56:19 executing program 4: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, 0x0) [ 287.953879][T17728] loop1: detected capacity change from 0 to 264192 [ 287.953879][T17717] loop5: detected capacity change from 0 to 7 [ 287.969230][T17717] FAT-fs (loop5): bogus number of reserved sectors [ 287.987139][T17722] loop2: detected capacity change from 0 to 512 [ 287.995085][T17717] FAT-fs (loop5): Can't find a valid FAT filesystem [ 288.010000][T17728] FAT-fs (loop1): bogus number of reserved sectors [ 288.020792][T17722] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 288.036540][T17753] loop4: detected capacity change from 0 to 4096 [ 288.046594][T17728] FAT-fs (loop1): Can't find a valid FAT filesystem 20:56:19 executing program 4: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, 0x0) 20:56:19 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x1020, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:56:19 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0xc00000000000000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 288.060615][T17722] EXT4-fs (loop2): group descriptors corrupted! [ 288.092587][ T5] usb 1-1: new high-speed USB device number 5 using dummy_hcd 20:56:19 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40008, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) [ 288.163508][T17764] loop5: detected capacity change from 0 to 8 [ 288.183747][T17764] FAT-fs (loop5): bogus number of reserved sectors [ 288.198156][T17769] loop4: detected capacity change from 0 to 4096 [ 288.213492][T17764] FAT-fs (loop5): Can't find a valid FAT filesystem 20:56:19 executing program 4: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, 0x0) [ 288.265138][T17776] VFS: unable to find oldfs superblock on device loop2 [ 288.305383][T17764] loop5: detected capacity change from 0 to 8 [ 288.345423][T17764] FAT-fs (loop5): bogus number of reserved sectors [ 288.356255][T17764] FAT-fs (loop5): Can't find a valid FAT filesystem [ 288.366707][ T5] usb 1-1: Using ep0 maxpacket: 8 [ 288.405319][T17784] loop2: detected capacity change from 0 to 512 [ 288.422566][T17784] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 288.441195][T17784] EXT4-fs (loop2): group descriptors corrupted! [ 288.451561][T17792] loop4: detected capacity change from 0 to 4096 [ 288.507018][ T5] usb 1-1: New USB device found, idVendor=0c72, idProduct=000d, bcdDevice=9b.c9 [ 288.520526][ T5] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 288.547332][ T5] usb 1-1: config 0 descriptor?? [ 288.791002][T17718] udc-core: couldn't find an available UDC or it's busy [ 288.798043][T17718] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 289.046811][ T5] peak_usb 1-1:0.0 can0: unable to request usb[type=0 value=0] err=-71 [ 289.056251][ T5] peak_usb 1-1:0.0: unable to read PCAN-USB Pro bootloader info (err -71) [ 289.106732][ T5] peak_usb: probe of 1-1:0.0 failed with error -71 [ 289.119429][ T5] usb 1-1: USB disconnect, device number 5 20:56:22 executing program 3: openat(0xffffffffffffffff, 0x0, 0x0, 0x0) r0 = syz_usb_connect(0x1, 0x24, &(0x7f0000000080)={{0x12, 0x1, 0x0, 0xf6, 0xbe, 0xd8, 0x8, 0xc72, 0xd, 0x9bc9, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x9b, 0x10, 0x39}}]}}]}}, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000840)={0x44, &(0x7f0000000000)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) 20:56:22 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0xd00000000000000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:56:22 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x1100, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:56:22 executing program 4: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[]) 20:56:22 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40009, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) 20:56:22 executing program 0: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x7000000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 290.906164][T17837] loop5: detected capacity change from 0 to 8 [ 290.912574][T17840] loop1: detected capacity change from 0 to 264192 [ 290.916605][T17838] loop4: detected capacity change from 0 to 4096 [ 290.927259][T17839] loop0: detected capacity change from 0 to 229376 [ 290.930721][T17837] FAT-fs (loop5): bogus number of reserved sectors [ 290.935552][T17836] VFS: unable to find oldfs superblock on device loop2 [ 290.942414][T17837] FAT-fs (loop5): Can't find a valid FAT filesystem [ 290.955209][T17840] FAT-fs (loop1): bogus number of reserved sectors [ 290.961965][T17840] FAT-fs (loop1): Can't find a valid FAT filesystem [ 290.988072][T17836] loop2: detected capacity change from 0 to 512 [ 290.994576][T17838] EXT4-fs (loop4): Unrecognized mount option "" or missing value [ 291.000496][T17839] FAT-fs (loop0): bogus number of reserved sectors [ 291.011138][T17839] FAT-fs (loop0): Can't find a valid FAT filesystem [ 291.011355][T17836] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! 20:56:22 executing program 4: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[]) 20:56:22 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x1200, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 291.052050][T17836] EXT4-fs (loop2): group descriptors corrupted! [ 291.069093][T17840] loop1: detected capacity change from 0 to 264192 [ 291.095191][T17840] FAT-fs (loop1): bogus number of reserved sectors 20:56:22 executing program 0: openat(0xffffffffffffffff, 0x0, 0x0, 0x0) r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000080)={{0x12, 0x1, 0x0, 0xf6, 0xbe, 0xd8, 0x8, 0xc72, 0xd, 0x9bc9, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x9b, 0x10, 0x39}}]}}]}}, 0x0) syz_usb_control_io$cdc_ncm(r0, &(0x7f0000000480)={0x14, &(0x7f0000000380)={0x20, 0x10, 0xa3, {0xa3, 0x9, "c76b8ead335dfd3f9faebdec691f431ce23143e341376a63eebc8a588dcb37034a3db33f682d54bcfea5775d7a0e49c7565a5d8ae021c7ffaadc466b15861d21ab76ac6919cb67c9f4041bf55faef2d854c299fa6ae1e48e06c6f08da0d9fbc13d6bc9b074cfbf9ed52cbbdf0f7b32b748acfde12fa6b60dea15ddd05677bea9989a3453607a0eddb098b0cb4b8c6bc17c5b6cf2c99ffa9e434cf32196267fc3c5"}}, &(0x7f0000000440)={0x0, 0x3, 0x1a, {0x1a}}}, &(0x7f00000006c0)={0x44, &(0x7f00000004c0)={0x0, 0x9, 0x39, "a188c460ebe1d76db1b8360e9367ceab36ac1fc6e427b1ed10386cb72c7d37382b5144353cae7284528cdae7d525e1e7774ec3aee2a65b2360"}, &(0x7f0000000500)={0x0, 0xa, 0x1, 0x3d}, &(0x7f0000000540)={0x0, 0x8, 0x1, 0x51}, &(0x7f0000000580)={0x20, 0x80, 0x1c, {0x8, 0x4, 0x9, 0x7, 0xe51, 0x7, 0xff, 0x0, 0x81, 0x63a, 0x7e99, 0x8000}}, &(0x7f00000005c0)={0x20, 0x85, 0x4, 0x2}, &(0x7f0000000600)={0x20, 0x83, 0x2}, &(0x7f0000000640)={0x20, 0x87, 0x2, 0x6}, &(0x7f0000000680)={0x20, 0x89, 0x2}}) syz_usb_connect$hid(0x0, 0x3f, &(0x7f0000000000)={{0x12, 0x1, 0x310, 0x0, 0x0, 0x0, 0x8, 0x56a, 0x314, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x2d, 0x1, 0x1, 0x7f, 0x0, 0x7, [{{0x9, 0x4, 0x0, 0x45, 0x1, 0x3, 0x1, 0x2, 0x2, {0x9, 0x21, 0x3f, 0x3, 0x1, {0x22, 0xa52}}, {{{0x9, 0x5, 0x81, 0x3, 0x10, 0x8, 0x9, 0x6}}, [{{0x9, 0x5, 0x2, 0x3, 0x3ff, 0x4, 0x5, 0x1f}}]}}}]}}]}}, &(0x7f0000000300)={0xa, &(0x7f0000000040)={0xa, 0x6, 0x201, 0x6, 0x5, 0x3, 0x8, 0xd7}, 0x49, &(0x7f00000000c0)=ANY=[@ANYBLOB="050f4900051c100a03e40000000ff0f3010fffff0000c0f9ffc07ffe00003fff0003100b071002002900001410040924de891ba9454054d90184e4c7e30c380a1003000800037f1f00"], 0x6, [{0x4, &(0x7f0000000140)=@lang_id={0x4, 0x3, 0x81a}}, {0x62, &(0x7f0000000180)=@string={0x62, 0x3, "a7f37270508c4d66250dd26a4999d0aaf146fc3bfa9e036ef0f149edfab5f65cf4719d658c229faad86804032d49f130387209f210446ec9a3cdd34c433f136f6d211721e56d74190852256a6244f77335d1592fa9731400ef57fd33e5524468"}}, {0x4, &(0x7f0000000200)=@lang_id={0x4, 0x3, 0x280a}}, {0x4, &(0x7f0000000240)=@lang_id={0x4, 0x3, 0x44a}}, {0x4, &(0x7f0000000280)=@lang_id={0x4, 0x3, 0x412}}, {0x4, &(0x7f00000002c0)=@lang_id={0x4, 0x3, 0x1004}}]}) syz_usb_control_io(r0, 0x0, &(0x7f0000000840)={0x44, &(0x7f0000000000)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) [ 291.141035][T17840] FAT-fs (loop1): Can't find a valid FAT filesystem [ 291.160852][T17870] loop5: detected capacity change from 0 to 9 [ 291.206382][T17873] loop4: detected capacity change from 0 to 4096 [ 291.213724][T17870] FAT-fs (loop5): bogus number of reserved sectors [ 291.235105][T17870] FAT-fs (loop5): Can't find a valid FAT filesystem [ 291.243691][T17873] EXT4-fs (loop4): Unrecognized mount option "" or missing value 20:56:22 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0xe00000000000000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 291.258412][T17880] loop2: detected capacity change from 0 to 512 [ 291.274687][T17880] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 291.285351][T17880] EXT4-fs (loop2): group descriptors corrupted! [ 291.293274][T17870] loop5: detected capacity change from 0 to 9 [ 291.300877][T17870] FAT-fs (loop5): bogus number of reserved sectors 20:56:22 executing program 4: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[]) 20:56:22 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x4000a, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) [ 291.308234][T17870] FAT-fs (loop5): Can't find a valid FAT filesystem [ 291.374785][T17901] loop4: detected capacity change from 0 to 4096 [ 291.400458][T17904] VFS: unable to find oldfs superblock on device loop2 [ 291.407771][T17901] EXT4-fs (loop4): Unrecognized mount option "" or missing value [ 291.422362][T17907] loop1: detected capacity change from 0 to 264192 [ 291.434315][T17907] FAT-fs (loop1): bogus number of reserved sectors [ 291.442895][T17907] FAT-fs (loop1): Can't find a valid FAT filesystem [ 291.456782][T17909] loop2: detected capacity change from 0 to 512 [ 291.500086][T17909] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 291.526702][ T2815] usb 1-1: new high-speed USB device number 6 using dummy_hcd [ 291.531291][T17909] EXT4-fs (loop2): group descriptors corrupted! [ 291.539296][T17907] loop1: detected capacity change from 0 to 264192 [ 291.572402][T17907] FAT-fs (loop1): bogus number of reserved sectors [ 291.579182][T17907] FAT-fs (loop1): Can't find a valid FAT filesystem [ 291.786683][ T2815] usb 1-1: Using ep0 maxpacket: 8 [ 291.907134][ T2815] usb 1-1: New USB device found, idVendor=0c72, idProduct=000d, bcdDevice=9b.c9 [ 291.916290][ T2815] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 291.927421][ T2815] usb 1-1: config 0 descriptor?? [ 292.388055][T17884] udc-core: couldn't find an available UDC or it's busy [ 292.395005][T17884] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 292.626724][ T2815] peak_usb 1-1:0.0 can0: unable to request usb[type=2 value=5] err=-71 [ 292.676783][ T2815] peak_usb: probe of 1-1:0.0 failed with error -71 [ 292.686023][ T2815] usb 1-1: USB disconnect, device number 6 20:56:25 executing program 4: pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724", 0x10, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:56:25 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x1d34, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:56:25 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x4000b, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) 20:56:25 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x1000000000000000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:56:25 executing program 3: timer_create(0x1, &(0x7f0000000340)={0x0, 0x2f, 0x0, @thr={&(0x7f00000001c0)="0438221cdd56843ea433c8c386dc5475355d0dedc0e8f3554e51e3a7598051ac9e44b6a28ac885fb0e648fe4bb6d2286b55d26fe3c0aa6617b8d5f780399093fc7328f5e3ccebba1755e4408b5812a958d17e2f052a28e2c67a20776d3f7b631e608c118b126eadc0687835d4c3e20ec26479404bc46b5ad46d1b22822dd81208cc6b3420ad07d8b8945b0c784c93ba10d16a4e17c2a585719854d6f542f582e58a486a751764d349cad85438feda105e3be523b78d6221354f4c39a5bc4382b17fe9c76ff699fca31c95f750d17a90bf7add8d5193e8848d9c4f2603191ce2b15", &(0x7f00000002c0)="83bef652d7c39366e0fffe177a591562111f7efe5a3a9be074603885560488162608ac94e8ef5028f8994bc96a9018f47b09fc4041a7fecadbad65c4472d1a63e1e6833ad0e574e94debaa05ef58a3099809ddef626c208690c89f8395f48016ba1839d68e6034ef0dda5e74"}}, &(0x7f0000000380)=0x0) timer_settime(r0, 0x1, &(0x7f00000003c0)={{}, {0x77359400}}, &(0x7f0000000400)) r1 = openat(0xffffffffffffffff, 0x0, 0x0, 0x0) r2 = syz_usb_connect(0x0, 0x24, &(0x7f0000000080)={{0x12, 0x1, 0x0, 0xf6, 0xbe, 0xd8, 0x8, 0xc72, 0xd, 0x9bc9, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x9b, 0x10, 0x39}}]}}]}}, 0x0) syz_usb_control_io(r2, 0x0, &(0x7f0000000840)={0x44, &(0x7f0000000000)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r3 = openat$cgroup_procs(r1, &(0x7f0000000000)='cgroup.procs\x00', 0x2, 0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff}) r5 = socket$inet_udp(0x2, 0x2, 0x0) close(r5) splice(r4, 0x0, r5, 0x0, 0x4ffe2, 0x0) perf_event_open$cgroup(&(0x7f0000000440)={0x0, 0x70, 0x0, 0x81, 0x3f, 0x8, 0x0, 0xd23, 0x20803, 0x6, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1000, 0x1, @perf_config_ext={0x0, 0x11}, 0x40100, 0x1, 0xffff8000, 0x4, 0x13c, 0x8001, 0x81}, r4, 0xf, 0xffffffffffffffff, 0xc) bind$inet(r1, &(0x7f00000004c0)={0x2, 0x4e22, @loopback}, 0x10) preadv(r3, &(0x7f0000000040)=[{&(0x7f00000000c0)=""/242, 0xf2}], 0x1, 0x1, 0x631) 20:56:25 executing program 0: openat(0xffffffffffffffff, 0x0, 0x0, 0x0) r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000080)={{0x12, 0x1, 0x0, 0xf6, 0xbe, 0xd8, 0x8, 0xc72, 0xd, 0x9bc9, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x9b, 0x10, 0x39}}]}}]}}, 0x0) syz_usb_control_io$cdc_ncm(r0, &(0x7f0000000480)={0x14, &(0x7f0000000380)={0x20, 0x10, 0xa3, {0xa3, 0x9, "c76b8ead335dfd3f9faebdec691f431ce23143e341376a63eebc8a588dcb37034a3db33f682d54bcfea5775d7a0e49c7565a5d8ae021c7ffaadc466b15861d21ab76ac6919cb67c9f4041bf55faef2d854c299fa6ae1e48e06c6f08da0d9fbc13d6bc9b074cfbf9ed52cbbdf0f7b32b748acfde12fa6b60dea15ddd05677bea9989a3453607a0eddb098b0cb4b8c6bc17c5b6cf2c99ffa9e434cf32196267fc3c5"}}, &(0x7f0000000440)={0x0, 0x3, 0x1a, {0x1a}}}, &(0x7f00000006c0)={0x44, &(0x7f00000004c0)={0x0, 0x9, 0x39, "a188c460ebe1d76db1b8360e9367ceab36ac1fc6e427b1ed10386cb72c7d37382b5144353cae7284528cdae7d525e1e7774ec3aee2a65b2360"}, &(0x7f0000000500)={0x0, 0xa, 0x1, 0x3d}, &(0x7f0000000540)={0x0, 0x8, 0x1, 0x51}, &(0x7f0000000580)={0x20, 0x80, 0x1c, {0x8, 0x4, 0x9, 0x7, 0xe51, 0x7, 0xff, 0x0, 0x81, 0x63a, 0x7e99, 0x8000}}, &(0x7f00000005c0)={0x20, 0x85, 0x4, 0x2}, &(0x7f0000000600)={0x20, 0x83, 0x2}, &(0x7f0000000640)={0x20, 0x87, 0x2, 0x6}, &(0x7f0000000680)={0x20, 0x89, 0x2}}) syz_usb_connect$hid(0x0, 0x3f, &(0x7f0000000000)={{0x12, 0x1, 0x310, 0x0, 0x0, 0x0, 0x8, 0x56a, 0x314, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x2d, 0x1, 0x1, 0x7f, 0x0, 0x7, [{{0x9, 0x4, 0x0, 0x45, 0x1, 0x3, 0x1, 0x2, 0x2, {0x9, 0x21, 0x3f, 0x3, 0x1, {0x22, 0xa52}}, {{{0x9, 0x5, 0x81, 0x3, 0x10, 0x8, 0x9, 0x6}}, [{{0x9, 0x5, 0x2, 0x3, 0x3ff, 0x4, 0x5, 0x1f}}]}}}]}}]}}, &(0x7f0000000300)={0xa, &(0x7f0000000040)={0xa, 0x6, 0x201, 0x6, 0x5, 0x3, 0x8, 0xd7}, 0x49, &(0x7f00000000c0)=ANY=[@ANYBLOB="050f4900051c100a03e40000000ff0f3010fffff0000c0f9ffc07ffe00003fff0003100b071002002900001410040924de891ba9454054d90184e4c7e30c380a1003000800037f1f00"], 0x6, [{0x4, &(0x7f0000000140)=@lang_id={0x4, 0x3, 0x81a}}, {0x62, &(0x7f0000000180)=@string={0x62, 0x3, "a7f37270508c4d66250dd26a4999d0aaf146fc3bfa9e036ef0f149edfab5f65cf4719d658c229faad86804032d49f130387209f210446ec9a3cdd34c433f136f6d211721e56d74190852256a6244f77335d1592fa9731400ef57fd33e5524468"}}, {0x4, &(0x7f0000000200)=@lang_id={0x4, 0x3, 0x280a}}, {0x4, &(0x7f0000000240)=@lang_id={0x4, 0x3, 0x44a}}, {0x4, &(0x7f0000000280)=@lang_id={0x4, 0x3, 0x412}}, {0x4, &(0x7f00000002c0)=@lang_id={0x4, 0x3, 0x1004}}]}) syz_usb_control_io(r0, 0x0, &(0x7f0000000840)={0x44, &(0x7f0000000000)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) [ 293.956729][T17959] VFS: unable to find oldfs superblock on device loop2 [ 293.963660][T17958] loop4: detected capacity change from 0 to 4096 [ 293.966331][T17964] loop5: detected capacity change from 0 to 14 [ 293.979144][T17958] EXT4-fs (loop4): unsupported descriptor size 0 [ 293.987235][T17966] loop1: detected capacity change from 0 to 264192 [ 294.001767][T17964] FAT-fs (loop5): bogus number of reserved sectors [ 294.010779][T17966] FAT-fs (loop1): bogus number of reserved sectors [ 294.022069][T17964] FAT-fs (loop5): Can't find a valid FAT filesystem [ 294.030754][T17966] FAT-fs (loop1): Can't find a valid FAT filesystem 20:56:25 executing program 4 (fault-call:3 fault-nth:0): r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:56:25 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x1100000000000000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:56:25 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x1d36, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 294.060223][T17959] loop2: detected capacity change from 0 to 512 [ 294.112828][T17959] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 294.160841][T17959] EXT4-fs (loop2): group descriptors corrupted! [ 294.171378][T17989] FAULT_INJECTION: forcing a failure. [ 294.171378][T17989] name failslab, interval 1, probability 0, space 0, times 0 [ 294.184584][T17989] CPU: 0 PID: 17989 Comm: syz-executor.4 Not tainted 5.12.0-rc5-syzkaller #0 [ 294.193354][T17989] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 294.203409][T17989] Call Trace: [ 294.206688][T17989] dump_stack+0x137/0x19d [ 294.211030][T17989] should_fail+0x23c/0x250 [ 294.215450][T17989] __should_failslab+0x81/0x90 [ 294.220225][T17989] ? __se_sys_memfd_create+0xfb/0x390 [ 294.225637][T17989] should_failslab+0x5/0x20 [ 294.230154][T17989] __kmalloc+0x66/0x380 [ 294.234307][T17989] ? strnlen_user+0x137/0x1c0 [ 294.240897][T17989] __se_sys_memfd_create+0xfb/0x390 [ 294.246105][T17989] __x64_sys_memfd_create+0x2d/0x40 [ 294.251310][T17989] do_syscall_64+0x39/0x80 [ 294.255746][T17989] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 294.261649][T17989] RIP: 0033:0x466459 [ 294.265550][T17989] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 294.285203][T17989] RSP: 002b:00007fdfcb135f48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f [ 294.293618][T17989] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000466459 [ 294.301714][T17989] RDX: 0000000000008800 RSI: 0000000000000000 RDI: 00000000004beba8 [ 294.309675][T17989] RBP: 0000000000000004 R08: 0000000000004400 R09: ffffffffffffffff [ 294.317669][T17989] R10: 0000000000000004 R11: 0000000000000246 R12: 0000000008100000 [ 294.325663][T17989] R13: 0000000020000100 R14: 0000000000200004 R15: 0000000020000040 [ 294.333850][ T3574] usb 1-1: new high-speed USB device number 7 using dummy_hcd 20:56:25 executing program 4 (fault-call:3 fault-nth:1): r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 294.376690][T17991] loop5: detected capacity change from 0 to 14 [ 294.383045][T17992] loop1: detected capacity change from 0 to 264192 [ 294.403061][T17991] FAT-fs (loop5): bogus number of reserved sectors [ 294.405443][T17959] VFS: unable to find oldfs superblock on device loop2 [ 294.434838][T17991] FAT-fs (loop5): Can't find a valid FAT filesystem [ 294.446379][T17992] FAT-fs (loop1): bogus number of reserved sectors [ 294.453248][T17992] FAT-fs (loop1): Can't find a valid FAT filesystem [ 294.454656][T18006] FAULT_INJECTION: forcing a failure. [ 294.454656][T18006] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 294.480534][T18006] CPU: 1 PID: 18006 Comm: syz-executor.4 Not tainted 5.12.0-rc5-syzkaller #0 [ 294.489332][T18006] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 294.499385][T18006] Call Trace: [ 294.503116][T18006] dump_stack+0x137/0x19d [ 294.507447][T18006] should_fail+0x23c/0x250 [ 294.511872][T18006] should_fail_usercopy+0x16/0x20 [ 294.516899][T18006] _copy_from_user+0x1c/0xd0 [ 294.521530][T18006] __se_sys_memfd_create+0x137/0x390 [ 294.526809][T18006] __x64_sys_memfd_create+0x2d/0x40 [ 294.532033][T18006] do_syscall_64+0x39/0x80 [ 294.536528][T18006] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 294.542450][T18006] RIP: 0033:0x466459 [ 294.546351][T18006] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 294.566087][T18006] RSP: 002b:00007fdfcb135f48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f [ 294.574509][T18006] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000466459 20:56:26 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x4000c, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) [ 294.582475][T18006] RDX: 0000000000008800 RSI: 0000000000000000 RDI: 00000000004beba8 [ 294.590440][T18006] RBP: 0000000000000004 R08: 0000000000004400 R09: ffffffffffffffff [ 294.598475][T18006] R10: 0000000000000004 R11: 0000000000000246 R12: 0000000008100000 [ 294.606480][T18006] R13: 0000000020000100 R14: 0000000000200004 R15: 0000000020000040 20:56:26 executing program 4 (fault-call:3 fault-nth:2): r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 294.655197][T17992] loop1: detected capacity change from 0 to 264192 [ 294.674117][T17992] FAT-fs (loop1): bogus number of reserved sectors [ 294.683387][T17992] FAT-fs (loop1): Can't find a valid FAT filesystem 20:56:26 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x1200000000000000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 294.714203][T18015] FAULT_INJECTION: forcing a failure. [ 294.714203][T18015] name failslab, interval 1, probability 0, space 0, times 0 [ 294.727319][T18015] CPU: 0 PID: 18015 Comm: syz-executor.4 Not tainted 5.12.0-rc5-syzkaller #0 [ 294.733717][T17991] loop5: detected capacity change from 0 to 14 [ 294.736093][T18015] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 294.736108][T18015] Call Trace: [ 294.736118][T18015] dump_stack+0x137/0x19d [ 294.759843][T17991] FAT-fs (loop5): bogus number of reserved sectors [ 294.760050][T18015] should_fail+0x23c/0x250 [ 294.771302][T18015] ? shmem_alloc_inode+0x22/0x30 [ 294.776254][T18015] __should_failslab+0x81/0x90 [ 294.777527][T17991] FAT-fs (loop5): Can't find a valid FAT filesystem [ 294.781018][T18015] ? shmem_match+0xa0/0xa0 [ 294.781046][T18015] should_failslab+0x5/0x20 [ 294.796518][T18015] kmem_cache_alloc+0x46/0x320 [ 294.801425][T18015] ? __rcu_read_unlock+0x5c/0x250 [ 294.804135][T18017] VFS: unable to find oldfs superblock on device loop2 [ 294.806456][T18015] ? fsnotify_perm+0x59/0x2e0 [ 294.806486][T18015] ? shmem_match+0xa0/0xa0 [ 294.822410][T18015] shmem_alloc_inode+0x22/0x30 [ 294.827196][T18015] new_inode_pseudo+0x38/0x190 [ 294.831966][T18015] new_inode+0x21/0x100 [ 294.836121][T18015] shmem_get_inode+0xa1/0x440 [ 294.840810][T18015] __shmem_file_setup+0xf1/0x1d0 [ 294.845780][T18015] shmem_file_setup+0x37/0x40 [ 294.850547][T18015] __se_sys_memfd_create+0x1eb/0x390 [ 294.855903][T18015] __x64_sys_memfd_create+0x2d/0x40 20:56:26 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x1800000000000000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 294.861108][T18015] do_syscall_64+0x39/0x80 [ 294.865531][T18015] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 294.871446][T18015] RIP: 0033:0x466459 [ 294.875338][T18015] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 294.894986][T18015] RSP: 002b:00007fdfcb135f48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f [ 294.903842][T18015] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000466459 20:56:26 executing program 4 (fault-call:3 fault-nth:3): r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 294.911826][T18015] RDX: 0000000000008800 RSI: 0000000000000000 RDI: 00000000004beba8 [ 294.919841][T18015] RBP: 0000000000000004 R08: 0000000000004400 R09: ffffffffffffffff [ 294.927801][T18015] R10: 0000000000000004 R11: 0000000000000246 R12: 0000000008100000 [ 294.935859][T18015] R13: 0000000020000100 R14: 0000000000200004 R15: 0000000020000040 [ 294.946530][ T3574] usb 1-1: Using ep0 maxpacket: 8 20:56:26 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x2000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 294.990653][T18024] loop2: detected capacity change from 0 to 512 [ 295.000551][T18024] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 295.034776][T18024] EXT4-fs (loop2): group descriptors corrupted! [ 295.086779][ T3574] usb 1-1: New USB device found, idVendor=0c72, idProduct=000d, bcdDevice=9b.c9 [ 295.092988][T18033] loop1: detected capacity change from 0 to 264192 [ 295.099246][ T3574] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 295.124728][T18038] FAULT_INJECTION: forcing a failure. [ 295.124728][T18038] name failslab, interval 1, probability 0, space 0, times 0 [ 295.129971][T18033] FAT-fs (loop1): bogus number of reserved sectors [ 295.144115][T18039] loop5: detected capacity change from 0 to 16 [ 295.150905][ T3574] usb 1-1: config 0 descriptor?? [ 295.153654][T18038] CPU: 1 PID: 18038 Comm: syz-executor.4 Not tainted 5.12.0-rc5-syzkaller #0 [ 295.164674][T18038] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 295.174866][T18038] Call Trace: [ 295.178344][T18038] dump_stack+0x137/0x19d [ 295.182682][T18038] should_fail+0x23c/0x250 [ 295.187103][T18038] ? security_inode_alloc+0x30/0x180 [ 295.192415][T18038] __should_failslab+0x81/0x90 [ 295.197181][T18038] should_failslab+0x5/0x20 [ 295.201695][T18038] kmem_cache_alloc+0x46/0x320 [ 295.206615][T18038] security_inode_alloc+0x30/0x180 [ 295.211804][T18038] inode_init_always+0x222/0x440 [ 295.216809][T18038] ? shmem_match+0xa0/0xa0 [ 295.221228][T18038] new_inode_pseudo+0x6f/0x190 [ 295.226007][T18038] new_inode+0x21/0x100 [ 295.230434][T18038] shmem_get_inode+0xa1/0x440 [ 295.235122][T18038] __shmem_file_setup+0xf1/0x1d0 [ 295.240068][T18038] shmem_file_setup+0x37/0x40 [ 295.244869][T18038] __se_sys_memfd_create+0x1eb/0x390 [ 295.250246][T18038] __x64_sys_memfd_create+0x2d/0x40 [ 295.255458][T18038] do_syscall_64+0x39/0x80 [ 295.259882][T18038] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 295.265840][T18038] RIP: 0033:0x466459 [ 295.269733][T18038] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 295.287310][T18033] FAT-fs (loop1): Can't find a valid FAT filesystem [ 295.289416][T18038] RSP: 002b:00007fdfcb135f48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f [ 295.289441][T18038] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000466459 [ 295.312361][T18038] RDX: 0000000000008800 RSI: 0000000000000000 RDI: 00000000004beba8 [ 295.320394][T18038] RBP: 0000000000000004 R08: 0000000000004400 R09: ffffffffffffffff [ 295.328429][T18038] R10: 0000000000000004 R11: 0000000000000246 R12: 0000000008100000 [ 295.336394][T18038] R13: 0000000020000100 R14: 0000000000200004 R15: 0000000020000040 [ 295.366827][T18039] FAT-fs (loop5): bogus number of reserved sectors [ 295.394875][T18039] FAT-fs (loop5): Can't find a valid FAT filesystem [ 295.456032][T18039] loop5: detected capacity change from 0 to 16 [ 295.465097][T18039] FAT-fs (loop5): bogus number of reserved sectors [ 295.481973][T18039] FAT-fs (loop5): Can't find a valid FAT filesystem [ 295.818121][T17960] udc-core: couldn't find an available UDC or it's busy [ 295.825096][T17960] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 296.046707][ T3574] peak_usb 1-1:0.0 can0: unable to request usb[type=2 value=5] err=-71 [ 296.096791][ T3574] peak_usb: probe of 1-1:0.0 failed with error -71 [ 296.112605][ T3574] usb 1-1: USB disconnect, device number 7 20:56:28 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x2500000000000000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:56:28 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x4000d, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) 20:56:28 executing program 4 (fault-call:3 fault-nth:4): r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:56:28 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x2010, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:56:28 executing program 3: openat(0xffffffffffffffff, 0x0, 0x0, 0x0) syz_usb_connect(0x1, 0x149, &(0x7f00000003c0)={{0x12, 0x1, 0x0, 0x9d, 0x3d, 0xc9, 0x8, 0x8ca, 0x20, 0x4272, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x137, 0x1, 0x0, 0x0, 0x0, 0xdb, [{{0x9, 0x4, 0x70, 0x0, 0x6, 0x11, 0x19, 0x87, 0x0, [], [{{0x9, 0x5, 0xb, 0x2, 0x10, 0x6, 0x80, 0x74}}, {{0x9, 0x5, 0xf, 0x3, 0x200, 0x42, 0x8, 0x3f}}, {{0x9, 0x5, 0x9, 0x0, 0x400, 0x7, 0x2, 0x1}}, {{0x9, 0x5, 0xc, 0x2, 0x20, 0x81, 0x4, 0x5, [@generic={0xef, 0x22, "e2778e38744b5bab460626b1a0ea3e320f3002c337827a55e7a5d6543eda6d3fe1434858aaad801a797063736e02c07323f0ecede6ff1822d24f0ffb523260b08550047b8253c70c07c250e26132cc03819efd8c1f0b9caa39d2fdb72c078f430126b18cc07099eb6c3bc6a5ae9f460eba30981b8dd402333dc000c1dfdc43cd1b3c946f10b371664fb0b8df34bde9c0f0a25a70848faf72364124aec7c1b3f71427816640857ac9decdae6e8424f85ae7a9a135d1bc353063419de5a4c7bb8a200f94a9ffcacdc8e6bc31e21342f3890044435c92b86a93c926dea9f7493cb57a4222650087c0944b7de67966"}]}}, {{0x9, 0x5, 0x7, 0x1, 0x40, 0xb7, 0x16, 0x8}}, {{0x9, 0x5, 0xc, 0x10, 0x200, 0x1, 0x1, 0x9}}]}}]}}]}}, 0x0) r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000040)={{0x12, 0x1, 0x0, 0x7b, 0xc, 0x68, 0x40, 0x733, 0x3281, 0xc771, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x8, 0xd8, 0xf3}}]}}]}}, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000002f80)={0xac, &(0x7f00000000c0)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f00000012c0)={0x84, &(0x7f0000000e40)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io(r0, 0x0, &(0x7f0000000880)={0x84, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f00000006c0)={0x40, 0x21, 0x1}}) syz_usb_control_io$hid(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f00000007c0)={0x84, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000780)={0x40, 0x21, 0x1, 0x2}}) syz_usb_control_io$hid(r0, 0x0, 0x0) syz_usb_control_io$hid(r0, 0x0, &(0x7f0000000580)={0x2c, &(0x7f0000000440)=ANY=[], 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$hid(r0, 0x0, &(0x7f0000000380)={0x2c, &(0x7f0000000080), 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io(r0, 0x0, &(0x7f0000000840)={0x84, &(0x7f0000000000)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) 20:56:28 executing program 0: openat(0xffffffffffffffff, 0x0, 0x0, 0x0) r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000080)={{0x12, 0x1, 0x0, 0xf6, 0xbe, 0xd8, 0x8, 0xc72, 0xd, 0x9bc9, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x9b, 0x10, 0x39}}]}}]}}, 0x0) syz_usb_control_io$cdc_ncm(r0, &(0x7f0000000480)={0x14, &(0x7f0000000380)={0x20, 0x10, 0xa3, {0xa3, 0x9, "c76b8ead335dfd3f9faebdec691f431ce23143e341376a63eebc8a588dcb37034a3db33f682d54bcfea5775d7a0e49c7565a5d8ae021c7ffaadc466b15861d21ab76ac6919cb67c9f4041bf55faef2d854c299fa6ae1e48e06c6f08da0d9fbc13d6bc9b074cfbf9ed52cbbdf0f7b32b748acfde12fa6b60dea15ddd05677bea9989a3453607a0eddb098b0cb4b8c6bc17c5b6cf2c99ffa9e434cf32196267fc3c5"}}, &(0x7f0000000440)={0x0, 0x3, 0x1a, {0x1a}}}, &(0x7f00000006c0)={0x44, &(0x7f00000004c0)={0x0, 0x9, 0x39, "a188c460ebe1d76db1b8360e9367ceab36ac1fc6e427b1ed10386cb72c7d37382b5144353cae7284528cdae7d525e1e7774ec3aee2a65b2360"}, &(0x7f0000000500)={0x0, 0xa, 0x1, 0x3d}, &(0x7f0000000540)={0x0, 0x8, 0x1, 0x51}, &(0x7f0000000580)={0x20, 0x80, 0x1c, {0x8, 0x4, 0x9, 0x7, 0xe51, 0x7, 0xff, 0x0, 0x81, 0x63a, 0x7e99, 0x8000}}, &(0x7f00000005c0)={0x20, 0x85, 0x4, 0x2}, &(0x7f0000000600)={0x20, 0x83, 0x2}, &(0x7f0000000640)={0x20, 0x87, 0x2, 0x6}, &(0x7f0000000680)={0x20, 0x89, 0x2}}) syz_usb_connect$hid(0x0, 0x3f, &(0x7f0000000000)={{0x12, 0x1, 0x310, 0x0, 0x0, 0x0, 0x8, 0x56a, 0x314, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x2d, 0x1, 0x1, 0x7f, 0x0, 0x7, [{{0x9, 0x4, 0x0, 0x45, 0x1, 0x3, 0x1, 0x2, 0x2, {0x9, 0x21, 0x3f, 0x3, 0x1, {0x22, 0xa52}}, {{{0x9, 0x5, 0x81, 0x3, 0x10, 0x8, 0x9, 0x6}}, [{{0x9, 0x5, 0x2, 0x3, 0x3ff, 0x4, 0x5, 0x1f}}]}}}]}}]}}, &(0x7f0000000300)={0xa, &(0x7f0000000040)={0xa, 0x6, 0x201, 0x6, 0x5, 0x3, 0x8, 0xd7}, 0x49, &(0x7f00000000c0)=ANY=[@ANYBLOB="050f4900051c100a03e40000000ff0f3010fffff0000c0f9ffc07ffe00003fff0003100b071002002900001410040924de891ba9454054d90184e4c7e30c380a1003000800037f1f00"], 0x6, [{0x4, &(0x7f0000000140)=@lang_id={0x4, 0x3, 0x81a}}, {0x62, &(0x7f0000000180)=@string={0x62, 0x3, "a7f37270508c4d66250dd26a4999d0aaf146fc3bfa9e036ef0f149edfab5f65cf4719d658c229faad86804032d49f130387209f210446ec9a3cdd34c433f136f6d211721e56d74190852256a6244f77335d1592fa9731400ef57fd33e5524468"}}, {0x4, &(0x7f0000000200)=@lang_id={0x4, 0x3, 0x280a}}, {0x4, &(0x7f0000000240)=@lang_id={0x4, 0x3, 0x44a}}, {0x4, &(0x7f0000000280)=@lang_id={0x4, 0x3, 0x412}}, {0x4, &(0x7f00000002c0)=@lang_id={0x4, 0x3, 0x1004}}]}) syz_usb_control_io(r0, 0x0, &(0x7f0000000840)={0x44, &(0x7f0000000000)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) [ 297.022472][T18086] loop5: detected capacity change from 0 to 16 [ 297.033627][T18086] FAT-fs (loop5): bogus number of reserved sectors [ 297.035205][T18091] FAULT_INJECTION: forcing a failure. [ 297.035205][T18091] name failslab, interval 1, probability 0, space 0, times 0 [ 297.048280][T18086] FAT-fs (loop5): Can't find a valid FAT filesystem [ 297.061141][T18088] loop1: detected capacity change from 0 to 264192 [ 297.066907][T18091] CPU: 1 PID: 18091 Comm: syz-executor.4 Not tainted 5.12.0-rc5-syzkaller #0 [ 297.078413][T18091] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 297.087051][T18088] FAT-fs (loop1): bogus number of reserved sectors [ 297.088861][T18091] Call Trace: [ 297.088872][T18091] dump_stack+0x137/0x19d [ 297.097819][T18088] FAT-fs (loop1): Can't find a valid FAT filesystem [ 297.099036][T18091] should_fail+0x23c/0x250 [ 297.115235][T18091] ? __d_alloc+0x36/0x370 [ 297.120030][T18091] __should_failslab+0x81/0x90 [ 297.125112][T18091] should_failslab+0x5/0x20 [ 297.129654][T18091] kmem_cache_alloc+0x46/0x320 [ 297.134560][T18091] ? __init_rwsem+0x59/0x70 [ 297.139109][T18091] __d_alloc+0x36/0x370 [ 297.143594][T18091] ? current_time+0xdb/0x190 [ 297.148235][T18091] d_alloc_pseudo+0x1a/0x50 [ 297.150830][T18085] VFS: unable to find oldfs superblock on device loop2 [ 297.153393][T18091] alloc_file_pseudo+0x63/0x130 [ 297.165441][T18091] __shmem_file_setup+0x14c/0x1d0 [ 297.170914][T18091] shmem_file_setup+0x37/0x40 [ 297.175931][T18091] __se_sys_memfd_create+0x1eb/0x390 [ 297.181219][T18091] __x64_sys_memfd_create+0x2d/0x40 [ 297.186436][T18091] do_syscall_64+0x39/0x80 [ 297.191015][T18091] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 297.197253][T18091] RIP: 0033:0x466459 [ 297.201202][T18091] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 20:56:28 executing program 4 (fault-call:3 fault-nth:5): r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 297.221768][T18091] RSP: 002b:00007fdfcb135f48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f [ 297.230368][T18091] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000466459 [ 297.239073][T18091] RDX: 0000000000008800 RSI: 0000000000000000 RDI: 00000000004beba8 [ 297.247353][T18091] RBP: 0000000000000004 R08: 0000000000004400 R09: ffffffffffffffff [ 297.255507][T18091] R10: 0000000000000004 R11: 0000000000000246 R12: 0000000008100000 [ 297.263819][T18091] R13: 0000000020000100 R14: 0000000000200004 R15: 0000000020000040 [ 297.299578][T18086] loop5: detected capacity change from 0 to 16 [ 297.348759][T18088] loop1: detected capacity change from 0 to 264192 [ 297.356293][T18088] FAT-fs (loop1): bogus number of reserved sectors [ 297.363699][T18088] FAT-fs (loop1): Can't find a valid FAT filesystem [ 297.364862][T18086] FAT-fs (loop5): bogus number of reserved sectors [ 297.382930][T18115] FAULT_INJECTION: forcing a failure. [ 297.382930][T18115] name failslab, interval 1, probability 0, space 0, times 0 [ 297.396364][T18115] CPU: 1 PID: 18115 Comm: syz-executor.4 Not tainted 5.12.0-rc5-syzkaller #0 [ 297.405374][T18115] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 297.407720][T18086] FAT-fs (loop5): Can't find a valid FAT filesystem [ 297.415944][T18115] Call Trace: [ 297.415956][T18115] dump_stack+0x137/0x19d [ 297.430719][T18115] should_fail+0x23c/0x250 [ 297.435155][T18115] ? __alloc_file+0x2e/0x1a0 [ 297.439848][T18115] __should_failslab+0x81/0x90 [ 297.444796][T18115] should_failslab+0x5/0x20 [ 297.449553][T18115] kmem_cache_alloc+0x46/0x320 [ 297.454460][T18115] ? __d_alloc+0x36/0x370 [ 297.460250][T18115] __alloc_file+0x2e/0x1a0 [ 297.465012][T18115] alloc_empty_file+0xcd/0x1c0 [ 297.469845][T18115] alloc_file+0x3a/0x280 [ 297.474231][T18115] alloc_file_pseudo+0xe2/0x130 [ 297.479511][T18115] __shmem_file_setup+0x14c/0x1d0 [ 297.484737][T18115] shmem_file_setup+0x37/0x40 [ 297.489830][T18115] __se_sys_memfd_create+0x1eb/0x390 [ 297.495430][T18115] __x64_sys_memfd_create+0x2d/0x40 [ 297.500678][T18115] do_syscall_64+0x39/0x80 [ 297.505362][T18115] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 297.511605][T18115] RIP: 0033:0x466459 [ 297.515578][T18115] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 297.535938][T18115] RSP: 002b:00007fdfcb135f48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f [ 297.544398][T18115] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000466459 [ 297.552429][T18115] RDX: 0000000000008800 RSI: 0000000000000000 RDI: 00000000004beba8 [ 297.561051][T18115] RBP: 0000000000000004 R08: 0000000000004400 R09: ffffffffffffffff [ 297.569499][T18115] R10: 0000000000000004 R11: 0000000000000246 R12: 0000000008100000 [ 297.578331][T18115] R13: 0000000020000100 R14: 0000000000200004 R15: 0000000020000040 20:56:29 executing program 4 (fault-call:3 fault-nth:6): r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 297.596798][ T3574] usb 1-1: new high-speed USB device number 8 using dummy_hcd 20:56:29 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x3f00000000000000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:56:29 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x2500, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:56:29 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x4000e, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) [ 297.663973][T18124] FAULT_INJECTION: forcing a failure. [ 297.663973][T18124] name failslab, interval 1, probability 0, space 0, times 0 [ 297.692181][T18124] CPU: 0 PID: 18124 Comm: syz-executor.4 Not tainted 5.12.0-rc5-syzkaller #0 [ 297.701488][T18124] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 297.711564][T18124] Call Trace: [ 297.715049][T18124] dump_stack+0x137/0x19d [ 297.719522][T18124] should_fail+0x23c/0x250 [ 297.724045][T18124] ? security_file_alloc+0x30/0x190 [ 297.730249][T18124] __should_failslab+0x81/0x90 [ 297.735926][T18124] should_failslab+0x5/0x20 [ 297.740618][T18124] kmem_cache_alloc+0x46/0x320 [ 297.740745][T18126] loop1: detected capacity change from 0 to 264192 [ 297.745734][T18124] ? __alloc_file+0x2e/0x1a0 [ 297.745761][T18124] security_file_alloc+0x30/0x190 [ 297.762406][T18124] __alloc_file+0x83/0x1a0 [ 297.766969][T18124] alloc_empty_file+0xcd/0x1c0 [ 297.772071][T18124] alloc_file+0x3a/0x280 [ 297.776333][T18124] alloc_file_pseudo+0xe2/0x130 [ 297.779402][T18129] VFS: unable to find oldfs superblock on device loop2 [ 297.781545][T18124] __shmem_file_setup+0x14c/0x1d0 [ 297.789205][T18126] FAT-fs (loop1): bogus number of reserved sectors [ 297.793816][T18124] shmem_file_setup+0x37/0x40 [ 297.805464][T18124] __se_sys_memfd_create+0x1eb/0x390 [ 297.811114][T18124] __x64_sys_memfd_create+0x2d/0x40 [ 297.816651][T18124] do_syscall_64+0x39/0x80 [ 297.821272][T18124] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 297.827438][T18124] RIP: 0033:0x466459 [ 297.831491][T18124] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 297.851698][T18124] RSP: 002b:00007fdfcb135f48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f [ 297.860274][T18124] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000466459 [ 297.868566][T18124] RDX: 0000000000008800 RSI: 0000000000000000 RDI: 00000000004beba8 [ 297.876554][T18124] RBP: 0000000000000004 R08: 0000000000004400 R09: ffffffffffffffff [ 297.884563][T18124] R10: 0000000000000004 R11: 0000000000000246 R12: 0000000008100000 [ 297.892643][T18124] R13: 0000000020000100 R14: 0000000000200004 R15: 0000000020000040 [ 297.901508][T18130] loop5: detected capacity change from 0 to 18 20:56:29 executing program 4 (fault-call:3 fault-nth:7): r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 297.912706][T18126] FAT-fs (loop1): Can't find a valid FAT filesystem [ 297.920644][T18130] FAT-fs (loop5): bogus number of reserved sectors [ 297.935073][T18130] FAT-fs (loop5): Can't find a valid FAT filesystem [ 297.962050][T18141] FAULT_INJECTION: forcing a failure. [ 297.962050][T18141] name failslab, interval 1, probability 0, space 0, times 0 [ 297.976886][T18126] loop1: detected capacity change from 0 to 264192 [ 297.985455][T18126] FAT-fs (loop1): bogus number of reserved sectors [ 297.992361][T18130] loop5: detected capacity change from 0 to 18 [ 297.997177][T18141] CPU: 1 PID: 18141 Comm: syz-executor.4 Not tainted 5.12.0-rc5-syzkaller #0 [ 298.002981][T18126] FAT-fs (loop1): Can't find a valid FAT filesystem [ 298.007534][T18141] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 298.007550][T18141] Call Trace: [ 298.007559][T18141] dump_stack+0x137/0x19d [ 298.007587][T18141] should_fail+0x23c/0x250 [ 298.037019][T18141] __should_failslab+0x81/0x90 [ 298.041818][T18141] ? tomoyo_realpath_from_path+0x98/0x3b0 [ 298.047835][T18141] should_failslab+0x5/0x20 [ 298.052805][T18141] __kmalloc+0x66/0x380 [ 298.057430][T18141] ? __alloc_pages_nodemask+0x1a8/0x350 [ 298.063283][T18141] tomoyo_realpath_from_path+0x98/0x3b0 [ 298.069308][T18141] tomoyo_path_perm+0xc6/0x330 [ 298.074650][T18141] ? security_file_alloc+0x30/0x190 [ 298.079947][T18141] tomoyo_path_truncate+0x18/0x20 [ 298.085275][T18141] security_path_truncate+0x7f/0xd0 [ 298.090670][T18141] do_sys_ftruncate+0x378/0x540 [ 298.095771][T18141] ? kfree+0xf0/0x1e0 [ 298.100133][T18141] ? fpregs_assert_state_consistent+0x7d/0x90 [ 298.106763][T18141] __x64_sys_ftruncate+0x2f/0x40 [ 298.111979][T18141] do_syscall_64+0x39/0x80 [ 298.116994][T18141] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 298.122911][T18141] RIP: 0033:0x466417 [ 298.126966][T18141] Code: 48 89 e7 e8 cb e5 ff ff 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 1a 00 00 90 b8 4d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 [ 298.147163][T18141] RSP: 002b:00007fdfcb135f48 EFLAGS: 00000217 ORIG_RAX: 000000000000004d [ 298.155830][T18141] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000466417 [ 298.164073][T18141] RDX: 0000000000008800 RSI: 0000000000200004 RDI: 0000000000000005 [ 298.172084][T18141] RBP: 0000000000000004 R08: 0000000000004400 R09: ffffffffffffffff [ 298.180933][T18141] R10: 0000000000000004 R11: 0000000000000217 R12: 0000000000000005 [ 298.189740][T18141] R13: 0000000000000005 R14: 0000000000200004 R15: 0000000020000040 [ 298.203754][T18130] FAT-fs (loop5): bogus number of reserved sectors 20:56:29 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x4000f, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) 20:56:29 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x4000080000000000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:56:29 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x2697, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 298.212652][ T3574] usb 1-1: Using ep0 maxpacket: 8 [ 298.216802][T18141] ERROR: Out of memory at tomoyo_realpath_from_path. [ 298.219103][T18130] FAT-fs (loop5): Can't find a valid FAT filesystem [ 298.251058][T18141] loop4: detected capacity change from 0 to 4096 20:56:29 executing program 4 (fault-call:3 fault-nth:8): r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 298.292372][T18157] VFS: unable to find oldfs superblock on device loop2 [ 298.292480][T18141] EXT4-fs (loop4): revision level too high, forcing read-only mode [ 298.308842][T18141] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: writeback. [ 298.347325][T18157] loop2: detected capacity change from 0 to 512 [ 298.355194][T18157] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 298.368629][ T3574] usb 1-1: New USB device found, idVendor=0c72, idProduct=000d, bcdDevice=9b.c9 [ 298.373594][T18157] EXT4-fs (loop2): group descriptors corrupted! [ 298.393871][T18169] loop1: detected capacity change from 0 to 264192 [ 298.394894][ T3574] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 298.429500][T18169] FAT-fs (loop1): bogus number of reserved sectors [ 298.438753][ T3574] usb 1-1: config 0 descriptor?? [ 298.444837][T18173] loop5: detected capacity change from 0 to 19 [ 298.459954][T18173] FAT-fs (loop5): bogus number of reserved sectors [ 298.465750][T18169] FAT-fs (loop1): Can't find a valid FAT filesystem [ 298.466755][T18173] FAT-fs (loop5): Can't find a valid FAT filesystem [ 298.510279][T18184] FAULT_INJECTION: forcing a failure. [ 298.510279][T18184] name failslab, interval 1, probability 0, space 0, times 0 [ 298.526977][T18184] CPU: 0 PID: 18184 Comm: syz-executor.4 Not tainted 5.12.0-rc5-syzkaller #0 [ 298.536091][T18184] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 298.546403][T18184] Call Trace: [ 298.549996][T18184] dump_stack+0x137/0x19d [ 298.554826][T18184] should_fail+0x23c/0x250 [ 298.559346][T18184] __should_failslab+0x81/0x90 [ 298.564344][T18184] ? tomoyo_encode2+0x1d3/0x350 [ 298.569254][T18184] should_failslab+0x5/0x20 [ 298.573780][T18184] __kmalloc+0x66/0x380 [ 298.577963][T18184] tomoyo_encode2+0x1d3/0x350 [ 298.582926][T18184] ? dynamic_dname+0xf0/0xf0 [ 298.587898][T18184] tomoyo_realpath_from_path+0x35e/0x3b0 [ 298.593565][T18184] tomoyo_path_perm+0xc6/0x330 [ 298.598345][T18184] ? security_file_alloc+0x30/0x190 [ 298.603570][T18184] tomoyo_path_truncate+0x18/0x20 [ 298.608621][T18184] security_path_truncate+0x7f/0xd0 [ 298.613844][T18184] do_sys_ftruncate+0x378/0x540 [ 298.618985][T18184] ? kfree+0xf0/0x1e0 [ 298.622976][T18184] ? fpregs_assert_state_consistent+0x7d/0x90 [ 298.629237][T18184] __x64_sys_ftruncate+0x2f/0x40 [ 298.634288][T18184] do_syscall_64+0x39/0x80 [ 298.638801][T18184] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 298.644846][T18184] RIP: 0033:0x466417 [ 298.648756][T18184] Code: 48 89 e7 e8 cb e5 ff ff 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 1a 00 00 90 b8 4d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 [ 298.668889][T18184] RSP: 002b:00007fdfcb135f48 EFLAGS: 00000217 ORIG_RAX: 000000000000004d [ 298.677729][T18184] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000466417 [ 298.686027][T18184] RDX: 0000000000008800 RSI: 0000000000200004 RDI: 0000000000000005 [ 298.694043][T18184] RBP: 0000000000000004 R08: 0000000000004400 R09: ffffffffffffffff [ 298.702523][T18184] R10: 0000000000000004 R11: 0000000000000217 R12: 0000000000000005 [ 298.710515][T18184] R13: 0000000000000005 R14: 0000000000200004 R15: 0000000020000040 [ 298.782302][T18184] ERROR: Out of memory at tomoyo_realpath_from_path. [ 298.790077][T18184] loop4: detected capacity change from 0 to 4096 [ 298.804371][T18184] EXT4-fs (loop4): revision level too high, forcing read-only mode [ 298.813718][T18184] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: writeback. [ 298.940893][T18092] udc-core: couldn't find an available UDC or it's busy [ 298.957838][T18092] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 299.226746][ T3574] peak_usb 1-1:0.0 can0: unable to request usb[type=2 value=5] err=-71 [ 299.278331][ T3574] peak_usb: probe of 1-1:0.0 failed with error -71 [ 299.291768][ T3574] usb 1-1: USB disconnect, device number 8 [ 299.326723][ T9516] usb 4-1: r8712u: CustomerID = 0x0000 [ 299.332513][ T9516] usb 4-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00 [ 299.340842][ T9516] usb 4-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin" [ 299.350960][ T9516] usb 4-1: USB disconnect, device number 67 [ 299.378306][ T2815] usb 4-1: Direct firmware load for rtlwifi/rtl8712u.bin failed with error -2 [ 299.387222][ T2815] usb 4-1: Falling back to sysfs fallback for: rtlwifi/rtl8712u.bin [ 299.408160][ T2815] usb 4-1: r8712u: Firmware request failed [ 299.776708][ T9516] usb 4-1: new low-speed USB device number 68 using dummy_hcd 20:56:31 executing program 3: r0 = openat(0xffffffffffffffff, 0x0, 0x0, 0x0) preadv(r0, &(0x7f00000002c0)=[{&(0x7f0000000000)=""/103, 0x67}, {&(0x7f00000000c0)=""/211, 0xd3}, {&(0x7f00000001c0)=""/196, 0xc4}], 0x3, 0x1000, 0x6) r1 = syz_usb_connect(0x0, 0x24, &(0x7f0000000080)={{0x12, 0x1, 0x0, 0xf6, 0xbe, 0xd8, 0x8, 0xc72, 0xd, 0x9bc9, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x9b, 0x10, 0x39}}]}}]}}, 0x0) syz_usb_control_io(r1, 0x0, &(0x7f0000000840)={0x44, &(0x7f0000000000)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) 20:56:31 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40010, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) 20:56:31 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x5c00000000000000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:56:31 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x26aa, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:56:31 executing program 4 (fault-call:3 fault-nth:9): r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:56:31 executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x4000e, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) [ 300.105157][T18236] FAULT_INJECTION: forcing a failure. [ 300.105157][T18236] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 300.120978][T18233] VFS: unable to find oldfs superblock on device loop2 [ 300.126715][ T9516] usb 4-1: device descriptor read/all, error -71 [ 300.128848][T18234] VFS: unable to find oldfs superblock on device loop0 [ 300.136814][T18238] loop5: detected capacity change from 0 to 19 [ 300.142328][T18236] CPU: 0 PID: 18236 Comm: syz-executor.4 Not tainted 5.12.0-rc5-syzkaller #0 [ 300.158746][T18236] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 300.169192][T18236] Call Trace: [ 300.172912][T18236] dump_stack+0x137/0x19d [ 300.177891][T18236] should_fail+0x23c/0x250 [ 300.182430][T18236] __alloc_pages_nodemask+0xea/0x350 [ 300.188015][T18236] alloc_pages_vma+0x3e6/0x890 [ 300.193042][T18236] shmem_alloc_and_acct_page+0x2ba/0x640 [ 300.198943][T18236] shmem_getpage_gfp+0x6c6/0x1980 [ 300.200131][T18239] loop1: detected capacity change from 0 to 264192 [ 300.204133][T18236] shmem_write_begin+0x83/0x100 [ 300.204162][T18236] generic_perform_write+0x196/0x3a0 [ 300.204182][T18236] ? file_update_time+0x1bd/0x3e0 [ 300.204202][T18236] __generic_file_write_iter+0x15c/0x340 [ 300.232161][T18236] ? generic_write_checks+0x250/0x290 [ 300.237583][T18236] generic_file_write_iter+0x75/0x130 [ 300.243291][T18236] vfs_write+0x6f9/0x7e0 [ 300.247826][T18236] __x64_sys_pwrite64+0xf5/0x150 [ 300.252961][T18236] do_syscall_64+0x39/0x80 [ 300.257925][T18236] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 300.264032][T18236] RIP: 0033:0x4195f7 [ 300.268287][T18236] Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b [ 300.288260][T18236] RSP: 002b:00007fdfcb135f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 [ 300.297074][T18236] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 00000000004195f7 [ 300.305503][T18236] RDX: 0000000000000066 RSI: 0000000020010000 RDI: 0000000000000005 [ 300.313619][T18236] RBP: 0000000000000004 R08: 0000000000000000 R09: ffffffffffffffff [ 300.322299][T18236] R10: 0000000000000400 R11: 0000000000000293 R12: 0000000000000005 [ 300.330488][T18236] R13: 0000000000000005 R14: 0000000020000200 R15: 0000000000000000 [ 300.390245][T18253] loop2: detected capacity change from 0 to 512 [ 300.399927][T18238] FAT-fs (loop5): bogus number of reserved sectors [ 300.406942][T18238] FAT-fs (loop5): Can't find a valid FAT filesystem [ 300.407314][T18239] FAT-fs (loop1): bogus number of reserved sectors [ 300.414827][T18253] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 300.420724][T18236] loop4: detected capacity change from 0 to 4096 [ 300.431033][T18253] EXT4-fs (loop2): group descriptors corrupted! [ 300.456852][T18254] loop0: detected capacity change from 0 to 512 [ 300.469655][T18239] FAT-fs (loop1): Can't find a valid FAT filesystem 20:56:32 executing program 0 (fault-call:1 fault-nth:0): pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[]) 20:56:32 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x341d, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:56:32 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x8000000000000000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 300.482448][T18254] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 300.493209][T18254] EXT4-fs (loop0): group descriptors corrupted! [ 300.511505][T18236] EXT4-fs (loop4): VFS: Can't find ext4 filesystem 20:56:32 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40011, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) 20:56:32 executing program 4 (fault-call:3 fault-nth:10): r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:56:32 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0xf6ffffff00000000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 300.590529][T18274] loop5: detected capacity change from 0 to 26 [ 300.601448][T18274] FAT-fs (loop5): bogus number of reserved sectors [ 300.608301][T18274] FAT-fs (loop5): Can't find a valid FAT filesystem [ 300.646739][ T9516] usb 4-1: new high-speed USB device number 69 using dummy_hcd [ 300.656678][T18280] FAULT_INJECTION: forcing a failure. [ 300.656678][T18280] name failslab, interval 1, probability 0, space 0, times 0 [ 300.669893][T18274] loop5: detected capacity change from 0 to 26 [ 300.680472][T18274] FAT-fs (loop5): bogus number of reserved sectors [ 300.697011][T18280] CPU: 1 PID: 18280 Comm: syz-executor.0 Not tainted 5.12.0-rc5-syzkaller #0 [ 300.706044][T18280] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 300.716290][T18280] Call Trace: [ 300.719813][T18280] dump_stack+0x137/0x19d [ 300.724311][T18280] should_fail+0x23c/0x250 [ 300.725475][T18289] FAULT_INJECTION: forcing a failure. [ 300.725475][T18289] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 300.728896][T18280] __should_failslab+0x81/0x90 [ 300.728922][T18280] ? __se_sys_memfd_create+0xfb/0x390 [ 300.728944][T18280] should_failslab+0x5/0x20 [ 300.758402][T18280] __kmalloc+0x66/0x380 [ 300.762663][T18280] ? strnlen_user+0x137/0x1c0 [ 300.767441][T18280] __se_sys_memfd_create+0xfb/0x390 [ 300.772655][T18280] __x64_sys_memfd_create+0x2d/0x40 [ 300.777916][T18280] do_syscall_64+0x39/0x80 [ 300.782350][T18280] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 300.788265][T18280] RIP: 0033:0x466459 [ 300.792177][T18280] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 300.812538][T18280] RSP: 002b:00007f14ea25ff48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f [ 300.821329][T18280] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000466459 [ 300.829641][T18280] RDX: 0000000000008800 RSI: 0000000000000000 RDI: 00000000004beba8 [ 300.838078][T18280] RBP: 0000000000000004 R08: 0000000000004400 R09: ffffffffffffffff [ 300.846425][T18280] R10: 0000000000000004 R11: 0000000000000246 R12: 0000000008100000 [ 300.855812][T18280] R13: 0000000020000100 R14: 0000000000200004 R15: 0000000020000040 [ 300.863981][T18289] CPU: 0 PID: 18289 Comm: syz-executor.4 Not tainted 5.12.0-rc5-syzkaller #0 [ 300.873318][T18289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 300.877140][T18274] FAT-fs (loop5): Can't find a valid FAT filesystem [ 300.883384][T18289] Call Trace: [ 300.883395][T18289] dump_stack+0x137/0x19d [ 300.897831][T18289] should_fail+0x23c/0x250 [ 300.902507][T18289] should_fail_usercopy+0x16/0x20 [ 300.907709][T18289] iov_iter_copy_from_user_atomic+0x2d6/0x830 [ 300.913902][T18289] ? shmem_write_begin+0x83/0x100 [ 300.918951][T18289] generic_perform_write+0x1e4/0x3a0 [ 300.924498][T18289] ? file_update_time+0x1bd/0x3e0 [ 300.929717][T18289] __generic_file_write_iter+0x15c/0x340 [ 300.935708][T18289] ? generic_write_checks+0x250/0x290 [ 300.941263][T18289] generic_file_write_iter+0x75/0x130 [ 300.946730][T18289] vfs_write+0x6f9/0x7e0 [ 300.950994][T18289] __x64_sys_pwrite64+0xf5/0x150 [ 300.956212][T18289] do_syscall_64+0x39/0x80 [ 300.960815][T18289] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 300.966813][T18289] RIP: 0033:0x4195f7 [ 300.970713][T18289] Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b [ 300.990705][T18289] RSP: 002b:00007fdfcb135f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 [ 300.999136][T18289] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 00000000004195f7 [ 301.007221][T18289] RDX: 0000000000000066 RSI: 0000000020010000 RDI: 0000000000000005 [ 301.015490][T18289] RBP: 0000000000000004 R08: 0000000000000000 R09: ffffffffffffffff [ 301.024005][T18289] R10: 0000000000000400 R11: 0000000000000293 R12: 0000000000000005 [ 301.032230][T18289] R13: 0000000000000005 R14: 0000000020000200 R15: 0000000000000000 [ 301.059116][T18288] VFS: unable to find oldfs superblock on device loop2 [ 301.072073][T18291] loop1: detected capacity change from 0 to 264192 [ 301.083862][T18291] FAT-fs (loop1): bogus number of reserved sectors [ 301.091230][T18291] FAT-fs (loop1): Can't find a valid FAT filesystem [ 301.092236][T18289] loop4: detected capacity change from 0 to 4096 [ 301.110484][T18289] EXT4-fs (loop4): revision level too high, forcing read-only mode [ 301.127132][T18289] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: writeback. [ 301.159237][T18301] loop2: detected capacity change from 0 to 512 [ 301.165933][T18291] loop1: detected capacity change from 0 to 264192 [ 301.169617][T18301] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 301.175342][T18291] FAT-fs (loop1): bogus number of reserved sectors [ 301.183432][ T9516] usb 4-1: Using ep0 maxpacket: 8 [ 301.183527][T18301] EXT4-fs (loop2): group descriptors corrupted! [ 301.190576][T18291] FAT-fs (loop1): Can't find a valid FAT filesystem [ 301.306895][ T9516] usb 4-1: New USB device found, idVendor=0c72, idProduct=000d, bcdDevice=9b.c9 [ 301.316223][ T9516] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 301.325776][ T9516] usb 4-1: config 0 descriptor?? [ 301.798522][ T9516] peak_usb 4-1:0.0 can0: unable to request usb[type=0 value=0] err=-71 [ 301.815530][ T9516] peak_usb 4-1:0.0: unable to read PCAN-USB Pro bootloader info (err -71) [ 301.876789][ T9516] peak_usb: probe of 4-1:0.0 failed with error -71 [ 301.883759][ T9516] usb 4-1: USB disconnect, device number 69 [ 302.576744][ T7] usb 4-1: new high-speed USB device number 70 using dummy_hcd [ 302.836778][ T7] usb 4-1: Using ep0 maxpacket: 8 [ 302.956779][ T7] usb 4-1: New USB device found, idVendor=0c72, idProduct=000d, bcdDevice=9b.c9 [ 302.966484][ T7] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 302.975876][ T7] usb 4-1: config 0 descriptor?? 20:56:34 executing program 3: openat(0xffffffffffffffff, 0x0, 0x0, 0x0) r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000080)=ANY=[@ANYBLOB="12010000f6bed808720c0d00c99b0000000109821200010000000009040000009b103900"], 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000840)={0x44, &(0x7f0000000000)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) 20:56:34 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x361d, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:56:34 executing program 0 (fault-call:1 fault-nth:1): pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[]) 20:56:34 executing program 4 (fault-call:3 fault-nth:11): r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:56:34 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40012, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) 20:56:34 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0xfcfdffff00000000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 303.218137][ T7] peak_usb 4-1:0.0 can0: unable to request usb[type=0 value=1] err=-71 [ 303.247771][ T7] peak_usb 4-1:0.0: unable to read PCAN-USB Pro firmware info (err -71) [ 303.271985][T18366] loop1: detected capacity change from 0 to 264192 [ 303.291305][T18368] loop5: detected capacity change from 0 to 27 [ 303.295156][T18366] FAT-fs (loop1): bogus number of reserved sectors [ 303.308858][T18366] FAT-fs (loop1): Can't find a valid FAT filesystem [ 303.319902][T18372] FAULT_INJECTION: forcing a failure. [ 303.319902][T18372] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 303.333671][T18372] CPU: 0 PID: 18372 Comm: syz-executor.4 Not tainted 5.12.0-rc5-syzkaller #0 [ 303.342599][T18373] FAULT_INJECTION: forcing a failure. [ 303.342599][T18373] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 303.343193][T18372] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 303.367357][T18372] Call Trace: [ 303.370817][T18372] dump_stack+0x137/0x19d [ 303.375403][T18372] should_fail+0x23c/0x250 [ 303.379973][T18372] should_fail_usercopy+0x16/0x20 [ 303.385054][T18372] iov_iter_copy_from_user_atomic+0x2d6/0x830 [ 303.391289][T18372] ? shmem_write_begin+0x83/0x100 [ 303.396706][T18372] generic_perform_write+0x1e4/0x3a0 [ 303.402395][T18372] ? file_update_time+0x1bd/0x3e0 [ 303.407446][T18372] __generic_file_write_iter+0x15c/0x340 [ 303.413318][T18372] ? generic_write_checks+0x250/0x290 [ 303.418795][T18372] generic_file_write_iter+0x75/0x130 [ 303.424437][T18372] vfs_write+0x6f9/0x7e0 [ 303.428885][T18372] __x64_sys_pwrite64+0xf5/0x150 [ 303.434193][T18372] do_syscall_64+0x39/0x80 [ 303.438909][T18372] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 303.445087][T18372] RIP: 0033:0x4195f7 [ 303.449385][T18372] Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b [ 303.470401][T18372] RSP: 002b:00007fdfcb135f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 [ 303.479587][T18372] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 00000000004195f7 [ 303.488466][T18372] RDX: 000000000000001f RSI: 00000000200000c0 RDI: 0000000000000005 [ 303.497236][T18372] RBP: 0000000000000004 R08: 0000000000000000 R09: ffffffffffffffff [ 303.505558][T18372] R10: 00000000000004e0 R11: 0000000000000293 R12: 0000000000000005 [ 303.515714][T18372] R13: 0000000000000005 R14: 0000000020000218 R15: 0000000000000001 [ 303.524090][T18373] CPU: 1 PID: 18373 Comm: syz-executor.0 Not tainted 5.12.0-rc5-syzkaller #0 [ 303.532451][ T7] peak_usb: probe of 4-1:0.0 failed with error -71 [ 303.533316][T18373] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 303.533330][T18373] Call Trace: [ 303.533338][T18373] dump_stack+0x137/0x19d [ 303.542941][ T7] usb 4-1: USB disconnect, device number 70 [ 303.550950][T18373] should_fail+0x23c/0x250 [ 303.551011][T18373] should_fail_usercopy+0x16/0x20 [ 303.574553][T18373] _copy_from_user+0x1c/0xd0 [ 303.579644][T18373] __se_sys_memfd_create+0x137/0x390 [ 303.585499][T18373] __x64_sys_memfd_create+0x2d/0x40 [ 303.590973][T18373] do_syscall_64+0x39/0x80 [ 303.595576][T18373] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 303.602318][T18373] RIP: 0033:0x466459 [ 303.606512][T18373] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 303.626532][T18373] RSP: 002b:00007f14ea25ff48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f [ 303.635184][T18373] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000466459 [ 303.643454][T18373] RDX: 0000000000008800 RSI: 0000000000000000 RDI: 00000000004beba8 [ 303.651739][T18373] RBP: 0000000000000004 R08: 0000000000004400 R09: ffffffffffffffff [ 303.659861][T18373] R10: 0000000000000004 R11: 0000000000000246 R12: 0000000008100000 [ 303.668102][T18373] R13: 0000000020000100 R14: 0000000000200004 R15: 0000000020000040 [ 303.703465][T18370] VFS: unable to find oldfs superblock on device loop2 [ 303.708286][T18368] FAT-fs (loop5): bogus number of reserved sectors [ 303.728774][T18372] loop4: detected capacity change from 0 to 4096 [ 303.736329][T18366] loop1: detected capacity change from 0 to 264192 [ 303.742757][T18368] FAT-fs (loop5): Can't find a valid FAT filesystem [ 303.752059][T18366] FAT-fs (loop1): bogus number of reserved sectors 20:56:35 executing program 0 (fault-call:1 fault-nth:2): pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[]) 20:56:35 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40014, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) [ 303.774125][T18366] FAT-fs (loop1): Can't find a valid FAT filesystem [ 303.782516][T18372] EXT4-fs (loop4): revision level too high, forcing read-only mode [ 303.801469][T18372] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: writeback. [ 303.812521][T18409] FAULT_INJECTION: forcing a failure. [ 303.812521][T18409] name failslab, interval 1, probability 0, space 0, times 0 [ 303.831061][T18409] CPU: 1 PID: 18409 Comm: syz-executor.0 Not tainted 5.12.0-rc5-syzkaller #0 [ 303.840265][T18409] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 303.850929][T18409] Call Trace: [ 303.854229][T18409] dump_stack+0x137/0x19d [ 303.858872][T18409] should_fail+0x23c/0x250 [ 303.863605][T18409] ? shmem_alloc_inode+0x22/0x30 [ 303.868799][T18409] __should_failslab+0x81/0x90 [ 303.873735][T18409] ? shmem_match+0xa0/0xa0 [ 303.878326][T18409] should_failslab+0x5/0x20 [ 303.882960][T18409] kmem_cache_alloc+0x46/0x320 [ 303.888120][T18409] ? __rcu_read_unlock+0x5c/0x250 [ 303.893328][T18409] ? fsnotify_perm+0x59/0x2e0 [ 303.898110][T18409] ? shmem_match+0xa0/0xa0 [ 303.902546][T18409] shmem_alloc_inode+0x22/0x30 [ 303.908945][T18409] new_inode_pseudo+0x38/0x190 [ 303.913839][T18409] new_inode+0x21/0x100 [ 303.918338][T18409] shmem_get_inode+0xa1/0x440 [ 303.923204][T18409] __shmem_file_setup+0xf1/0x1d0 [ 303.928415][T18409] shmem_file_setup+0x37/0x40 [ 303.933317][T18409] __se_sys_memfd_create+0x1eb/0x390 [ 303.938964][T18409] __x64_sys_memfd_create+0x2d/0x40 [ 303.945057][T18409] do_syscall_64+0x39/0x80 [ 303.949678][T18409] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 303.955857][T18409] RIP: 0033:0x466459 20:56:35 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0xfdfdffff00000000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:56:35 executing program 4 (fault-call:3 fault-nth:12): r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 303.960216][T18409] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 303.967117][T18414] VFS: unable to find oldfs superblock on device loop2 [ 303.980540][T18409] RSP: 002b:00007f14ea25ff48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f [ 303.980566][T18409] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000466459 [ 303.980608][T18409] RDX: 0000000000008800 RSI: 0000000000000000 RDI: 00000000004beba8 [ 303.980623][T18409] RBP: 0000000000000004 R08: 0000000000004400 R09: ffffffffffffffff 20:56:35 executing program 0 (fault-call:1 fault-nth:3): pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[]) [ 303.980637][T18409] R10: 0000000000000004 R11: 0000000000000246 R12: 0000000008100000 [ 303.980651][T18409] R13: 0000000020000100 R14: 0000000000200004 R15: 0000000020000040 [ 304.040705][T18368] loop5: detected capacity change from 0 to 27 [ 304.056505][T18422] loop1: detected capacity change from 0 to 264192 [ 304.068629][T18368] FAT-fs (loop5): bogus number of reserved sectors [ 304.088563][T18368] FAT-fs (loop5): Can't find a valid FAT filesystem [ 304.096137][T18420] loop2: detected capacity change from 0 to 512 [ 304.105846][T18420] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 304.116673][ T7] usb 4-1: new high-speed USB device number 71 using dummy_hcd [ 304.119151][T18422] FAT-fs (loop1): bogus number of reserved sectors [ 304.132426][T18422] FAT-fs (loop1): Can't find a valid FAT filesystem [ 304.133804][T18432] FAULT_INJECTION: forcing a failure. [ 304.133804][T18432] name failslab, interval 1, probability 0, space 0, times 0 [ 304.147072][T18420] EXT4-fs (loop2): group descriptors corrupted! [ 304.176265][T18434] FAULT_INJECTION: forcing a failure. [ 304.176265][T18434] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 304.183034][T18432] CPU: 1 PID: 18432 Comm: syz-executor.0 Not tainted 5.12.0-rc5-syzkaller #0 [ 304.201372][T18432] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 304.211977][T18432] Call Trace: [ 304.215482][T18432] dump_stack+0x137/0x19d [ 304.219878][T18432] should_fail+0x23c/0x250 [ 304.224319][T18432] ? security_inode_alloc+0x30/0x180 [ 304.229789][T18432] __should_failslab+0x81/0x90 [ 304.234745][T18432] should_failslab+0x5/0x20 [ 304.239273][T18432] kmem_cache_alloc+0x46/0x320 [ 304.244168][T18432] security_inode_alloc+0x30/0x180 [ 304.249304][T18432] inode_init_always+0x222/0x440 [ 304.254434][T18432] ? shmem_match+0xa0/0xa0 [ 304.258983][T18432] new_inode_pseudo+0x6f/0x190 [ 304.263769][T18432] new_inode+0x21/0x100 [ 304.267942][T18432] shmem_get_inode+0xa1/0x440 [ 304.272639][T18432] __shmem_file_setup+0xf1/0x1d0 [ 304.277600][T18432] shmem_file_setup+0x37/0x40 [ 304.282363][T18432] __se_sys_memfd_create+0x1eb/0x390 [ 304.288240][T18432] __x64_sys_memfd_create+0x2d/0x40 [ 304.293788][T18432] do_syscall_64+0x39/0x80 [ 304.298461][T18432] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 304.304550][T18432] RIP: 0033:0x466459 [ 304.308465][T18432] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 304.328630][T18432] RSP: 002b:00007f14ea25ff48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f 20:56:35 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x3f00, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 304.337646][T18432] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000466459 [ 304.345627][T18432] RDX: 0000000000008800 RSI: 0000000000000000 RDI: 00000000004beba8 [ 304.353774][T18432] RBP: 0000000000000004 R08: 0000000000004400 R09: ffffffffffffffff [ 304.362224][T18432] R10: 0000000000000004 R11: 0000000000000246 R12: 0000000008100000 [ 304.370301][T18432] R13: 0000000020000100 R14: 0000000000200004 R15: 0000000020000040 [ 304.395061][T18434] CPU: 1 PID: 18434 Comm: syz-executor.4 Not tainted 5.12.0-rc5-syzkaller #0 [ 304.404262][T18434] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 304.414336][T18434] Call Trace: [ 304.417636][T18434] dump_stack+0x137/0x19d [ 304.422187][T18434] should_fail+0x23c/0x250 [ 304.426833][T18434] __alloc_pages_nodemask+0xea/0x350 [ 304.432267][T18434] alloc_pages_vma+0x3e6/0x890 [ 304.437063][T18434] shmem_alloc_and_acct_page+0x2ba/0x640 [ 304.442895][T18434] shmem_getpage_gfp+0x6c6/0x1980 [ 304.448106][T18434] shmem_write_begin+0x83/0x100 [ 304.453190][T18434] generic_perform_write+0x196/0x3a0 [ 304.458809][T18434] ? file_update_time+0x1bd/0x3e0 [ 304.464248][T18434] __generic_file_write_iter+0x15c/0x340 [ 304.470062][T18434] ? generic_write_checks+0x250/0x290 [ 304.475859][T18434] generic_file_write_iter+0x75/0x130 [ 304.481465][T18434] vfs_write+0x6f9/0x7e0 [ 304.485800][T18434] __x64_sys_pwrite64+0xf5/0x150 [ 304.491076][T18434] do_syscall_64+0x39/0x80 [ 304.495681][T18434] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 304.501749][T18434] RIP: 0033:0x4195f7 [ 304.506047][T18434] Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b [ 304.526388][T18434] RSP: 002b:00007fdfcb135f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 [ 304.534968][T18434] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 00000000004195f7 [ 304.542960][T18434] RDX: 0000000000000020 RSI: 0000000020000300 RDI: 0000000000000005 [ 304.551300][T18434] RBP: 0000000000000004 R08: 0000000000000000 R09: ffffffffffffffff [ 304.560224][T18434] R10: 0000000000001000 R11: 0000000000000293 R12: 0000000000000005 [ 304.569034][T18434] R13: 0000000000000005 R14: 0000000020000230 R15: 0000000000000002 [ 304.613828][T18434] loop4: detected capacity change from 0 to 4096 [ 304.646692][ T7] usb 4-1: Using ep0 maxpacket: 8 [ 304.657723][T18434] EXT4-fs (loop4): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 304.668595][T18445] loop5: detected capacity change from 0 to 31 [ 304.677506][T18437] loop2: detected capacity change from 0 to 512 [ 304.678379][T18434] EXT4-fs (loop4): group descriptors corrupted! [ 304.685587][T18445] FAT-fs (loop5): bogus number of reserved sectors [ 304.700503][T18437] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 304.702377][T18445] FAT-fs (loop5): Can't find a valid FAT filesystem [ 304.719629][T18437] EXT4-fs (loop2): group descriptors corrupted! [ 304.802202][T18445] loop5: detected capacity change from 0 to 31 [ 304.820633][T18445] FAT-fs (loop5): bogus number of reserved sectors [ 304.828803][T18445] FAT-fs (loop5): Can't find a valid FAT filesystem [ 304.836801][ T7] usb 4-1: unable to read config index 0 descriptor/start: -61 [ 304.845214][ T7] usb 4-1: can't read configurations, error -61 [ 305.006759][ T7] usb 4-1: new high-speed USB device number 72 using dummy_hcd [ 305.266719][ T7] usb 4-1: Using ep0 maxpacket: 8 [ 305.467007][ T7] usb 4-1: unable to read config index 0 descriptor/start: -61 [ 305.474776][ T7] usb 4-1: can't read configurations, error -61 [ 305.481673][ T7] usb usb4-port1: attempt power cycle 20:56:37 executing program 0 (fault-call:1 fault-nth:4): pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[]) 20:56:37 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0xfeffffff00000000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:56:37 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40025, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) 20:56:37 executing program 4 (fault-call:3 fault-nth:13): r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 306.196810][ T7] usb 4-1: new high-speed USB device number 73 using dummy_hcd 20:56:37 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x4000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:56:37 executing program 3: r0 = openat(0xffffffffffffffff, 0x0, 0x0, 0x0) syz_usb_connect(0x0, 0x24, &(0x7f0000000080)={{0x12, 0x1, 0x0, 0xf6, 0xbe, 0xd8, 0x8, 0xc72, 0xd, 0x9bc9, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x9b, 0x10, 0x39}}]}}]}}, 0x0) r1 = syz_usb_connect(0x0, 0x24, &(0x7f0000000040)={{0x12, 0x1, 0x0, 0x7b, 0xc, 0x68, 0x40, 0x733, 0x3281, 0xc771, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x8, 0xd8, 0xf3}}]}}]}}, 0x0) syz_usb_control_io(r1, 0x0, &(0x7f0000002f80)={0xac, &(0x7f00000000c0)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r2 = syz_usb_connect$printer(0x1, 0x2d, &(0x7f0000000000)={{0x12, 0x1, 0x310, 0x0, 0x0, 0x0, 0xff, 0x525, 0xa4a8, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x1b, 0x1, 0x1, 0xe0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x7, 0x1, 0x7, 0x1, 0x3, 0xdd, "", {{{0x9, 0x5, 0x1, 0x2, 0x8, 0x3, 0x9, 0x7f}}}}}]}}]}}, &(0x7f0000000300)={0xa, &(0x7f00000001c0)={0xa, 0x6, 0x110, 0x7, 0x1f, 0x4, 0x8, 0x9}, 0xad, &(0x7f0000000200)={0x5, 0xf, 0xad, 0x4, [@ss_cap={0xa, 0x10, 0x3, 0x0, 0x2, 0x8, 0x4, 0x41e}, @ss_container_id={0x14, 0x10, 0x4, 0xff, "01efef1747f0e071b5cff749acc2cd9d"}, @ssp_cap={0x24, 0x10, 0xa, 0x4, 0x6, 0x2, 0xf00f, 0xfff9, [0xff0030, 0xff0030, 0xc0af, 0xc0, 0xfe800f, 0xc00f]}, @generic={0x66, 0x10, 0x2, "ac11e0ad0110bee99d341f8d788fe49d227b41bf2867cd7e9cf344958c463e9b546bc1fd5e70dbf3b96c6b1a6750cf2eb488b4c345b16616d1abcfc8693f7e929d035bdce1bc338886a80251dd7cd0fe15c4009df351297085c728b21a561911c27c31"}]}, 0x2, [{0x4, &(0x7f00000002c0)=@lang_id={0x4, 0x3, 0x3401}}, {0x8a, &(0x7f00000003c0)=@string={0x8a, 0x3, "e61e05be794389b39c808d7cfa82bbd0c1e6b3b41179d20d7dad30993976afd30d0bdc01941ce783bc61af57d31fb038fcdd663be9eea7c601a9d9a96a7410d89914c3f3e2032a90a6611e338dbc0718fd2385e5283676884e719cdc4ec57a355d49c1dc94ca66587b52f8207118bcea234e0b6be3fbebf5f67de9a6d253674a50589f56f49f5d4c"}}]}) syz_usb_control_io$printer(r2, &(0x7f0000000340)={0x14, &(0x7f0000000940)={0x40, 0x11, 0xff, {0xff, 0xf, "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"}}, &(0x7f0000000480)={0x0, 0x3, 0x5d, @string={0x5d, 0x3, "969a8f9f9fb3e37ab3c18458b0a0f3434892702971c26637f229876d4f0631b318fe22e866cab05dd0bb2f4eb6550ca8c38ef7647a1d55e9026b8b4e34bf85e04edcaf2cb702a063368b70f4e1ae996e3351b672f46adddfc0cad7"}}}, &(0x7f0000000740)={0x34, &(0x7f0000000500)={0x20, 0x13, 0x7a, "2a9be356f74037c7898b27d148f971cfc04b57e95c8a6afa7f53d38b68f17988b3a006758d21f8f5e7b07ae3a6822f32f2efeec3333d48f826480264f91e4a81b14040be698cd114fef0dbdce18e144bdc108c5eac19dc5321299029950f1b9d83ffb6a2ae7dca5d90de74c6dead24eacdaf7f60e6878524a815"}, &(0x7f00000005c0)={0x0, 0xa, 0x1, 0x6}, &(0x7f0000000600)={0x0, 0x8, 0x1, 0x2}, &(0x7f0000000640)={0x20, 0x0, 0x22, {0x20, "e6684ab53380e95bd00093035a21f4e65fb027b44ebf33ac632cd8f6085dd58e"}}, &(0x7f0000000680)={0x20, 0x1, 0x1, 0x9}, &(0x7f0000000700)={0x20, 0x0, 0x1, 0xf0}}) syz_usb_control_io$cdc_ecm(r1, 0x0, 0x0) syz_usb_control_io(r1, 0x0, &(0x7f00000012c0)={0x84, &(0x7f0000000e40)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io(r1, 0x0, &(0x7f0000000880)={0x84, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f00000006c0)={0x40, 0x21, 0x1}}) syz_usb_control_io$hid(r1, 0x0, 0x0) syz_usb_control_io(r1, 0x0, &(0x7f00000007c0)={0x84, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000780)={0x40, 0x21, 0x1, 0x2}}) syz_usb_control_io$hid(r1, 0x0, 0x0) syz_usb_control_io$hid(r1, 0x0, &(0x7f0000000580)={0x2c, &(0x7f0000000440)=ANY=[], 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$hid(r1, 0x0, &(0x7f0000000380)={0x2c, &(0x7f00000018c0)=ANY=[@ANYBLOB="0000e4f600ff00"], 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io(r1, 0x0, &(0x7f00000000c0)={0x84, &(0x7f0000000180)=ANY=[@ANYRESOCT, @ANYRES64=r1, @ANYRES32=r0], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r3 = syz_usb_connect$uac1(0x6, 0xd4, &(0x7f0000000a80)={{0x12, 0x1, 0x140, 0x0, 0x0, 0x0, 0xff, 0x1d6b, 0x101, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0xc2, 0x3, 0x1, 0x3f, 0x80, 0x3, {{0x9, 0x4, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, {{0xa, 0x24, 0x1, 0x6, 0x7f}, [@output_terminal={0x9, 0x24, 0x3, 0x3, 0x4f6d978ec54b1a42, 0x5, 0x2, 0x5}, @selector_unit={0x5, 0x24, 0x5, 0x6, 0x20}]}}, {}, {0x9, 0x4, 0x1, 0x1, 0x1, 0x1, 0x2, 0x0, 0x0, {[@format_type_i_continuous={0xb, 0x24, 0x2, 0x1, 0x9, 0x3, 0x0, 0x6, "b0fa98"}]}, {{0x9, 0x5, 0x1, 0x9, 0x0, 0x1f, 0x4, 0x7, {0x7, 0x25, 0x1, 0x2, 0x7, 0x1000}}}}, {}, {0x9, 0x4, 0x2, 0x1, 0x1, 0x1, 0x2, 0x0, 0x0, {[@format_type_ii_discrete={0x11, 0x24, 0x2, 0x2, 0x1, 0x2, 0xfa, "51560efaa8540a54"}, @format_type_ii_discrete={0xc, 0x24, 0x2, 0x2, 0x9, 0x2, 0xd5, "38ecdd"}, @format_type_i_continuous={0xc, 0x24, 0x2, 0x1, 0x75, 0x3, 0x2, 0x9, "a1be", "bb05"}, @format_type_i_discrete={0x11, 0x24, 0x2, 0x1, 0x0, 0x1, 0x7, 0x3, "6cf870488a9b2e1763"}, @format_type_i_continuous={0x9, 0x24, 0x2, 0x1, 0x8, 0x3, 0x3, 0x6, "", "b1"}, @as_header={0x7, 0x24, 0x1, 0x31, 0x7d}]}, {{0x9, 0x5, 0x82, 0x9, 0x400, 0x81, 0x6, 0x7e, {0x7, 0x25, 0x1, 0x2, 0x40, 0x3}}}}}}}]}}, &(0x7f0000001080)={0xa, &(0x7f0000000b80)={0xa, 0x6, 0x201, 0x81, 0x40, 0x3, 0x96cbc2f1f2ca198d, 0xff}, 0x78, &(0x7f0000000bc0)={0x5, 0xf, 0x78, 0x2, [@generic={0x63, 0x10, 0x2, "82b03b1fbd1034c886b0312a0944ec67e130ac4457494dc2d0e2ead3c48d75c966b04693cc8f52ef86f79a5872f3c79e8c06bf5dbe22730aeab8da0a8d69eaacb3fcd25368d57f143ffe423dcbbc402c0f83aa650b0a450dc8fcd6a6e4745b21"}, @ssp_cap={0x10, 0x10, 0xa, 0xfb, 0x1, 0x9, 0xf000, 0x0, [0x3f30]}]}, 0x8, [{0xfe, &(0x7f0000000c40)=@string={0xfe, 0x3, "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"}}, {0x102, &(0x7f0000000d40)=@string={0x102, 0x3, "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"}}, {0x4, &(0x7f0000000e80)=@lang_id={0x4, 0x3, 0x810}}, {0x4, &(0x7f0000000ec0)=@lang_id={0x4, 0x3, 0x2c0a}}, {0x4, &(0x7f0000000f00)=@lang_id={0x4, 0x3, 0x807}}, {0x64, &(0x7f0000000f40)=@string={0x64, 0x3, "7120988ed9acf3f4c119572fc70a331810485109781f43bc153f7248e3b6042970902ffb1a1aa45962b8a6177cc8ad99dde317b7b5625bbb949fcaa6eac14a4b836658c4f8c15bb01936cc4bd00d723f47e641285c26f93690b5d1a2e19307ad9825"}}, {0x4, &(0x7f0000000fc0)=@lang_id={0x4, 0x3, 0x43e}}, {0x70, &(0x7f0000001000)=@string={0x70, 0x3, "756b52e34884c5fc1c65e7d1e658a04667a9745a625e0dd8c12baa57dd345bafa5d8fcd755a9e95e7235c3cd433d03a5aa4bb78e2fb80c7a29deb1a451960166470968ca3b37849f33fbfd13817f46bbfc78634538f915c2d0410db8bacd4240e90538d352aae9783c0cb4b02e99"}}]}) syz_usb_control_io(r3, &(0x7f00000013c0)={0x2c, &(0x7f0000001100)={0x40, 0xc, 0x73, {0x73, 0x30, "c8fbc009b64c810fb0e1a2d2b29c10836120c0038851a8f914c788dbcc734e55211af56ef71f5ff08aa08a70e15112458442807e76da27eeb9686499d3d9f0f0fd2f2f79f0a3cad213b0d48e546b0b28e936b613f787b36ceb95516163fa9c6b8d60167b3cbff077ef40383c8dbdaa6e65"}}, &(0x7f0000001180)={0x0, 0x3, 0xa8, @string={0xa8, 0x3, "53a21c6492c5643e6621c4df99e94a174d7042576c17acbe2062b7f29106bc819d59c36a0678194d3be46d5c1c6d5742ba399e8f0baaf01986991148546ef15d8a7d25c60ffc8ebdf9f7aaf320181c861fd76b90597b668f1be1d8bcbfcf5480e4fc7ae67e6618f481de91c6f4d76fd4898e84f1b7795c804631a3ae4a720041676c0d671a73c6c621f43d7373b778e428d4fe5da6d669e782abcf8262945fbb14744a215051"}}, &(0x7f0000001240)={0x0, 0xf, 0x12, {0x5, 0xf, 0x12, 0x2, [@ss_cap={0xa, 0x10, 0x3, 0x0, 0x2, 0x8, 0x7, 0x5}, @ptm_cap={0x3}]}}, &(0x7f0000001280)={0x20, 0x29, 0xf, {0xf, 0x29, 0x0, 0x80, 0x0, 0x1, "20e939ff", "96000a54"}}, &(0x7f0000001380)={0x20, 0x2a, 0xc, {0xc, 0x2a, 0x40, 0x4, 0x8, 0x81, 0x2, 0x1ff, 0x8}}}, &(0x7f0000001800)={0x84, &(0x7f0000001400)={0x0, 0x9}, &(0x7f0000001440)={0x0, 0xa, 0x1, 0x7}, &(0x7f0000001480)={0x0, 0x8, 0x1, 0x4}, &(0x7f00000014c0)={0x20, 0x0, 0x4, {0x2, 0x3}}, &(0x7f0000001500)={0x20, 0x0, 0x8, {0x1, 0x8, [0xf00]}}, &(0x7f0000001540)={0x40, 0x7, 0x2, 0x34fc}, &(0x7f0000001580)={0x40, 0x9, 0x1, 0x8}, &(0x7f00000015c0)={0x40, 0xb, 0x2, "fe58"}, &(0x7f0000001600)={0x40, 0xf, 0x2, 0xfff}, &(0x7f0000001640)={0x40, 0x13, 0x6, @dev={[], 0x1c}}, &(0x7f0000001680)={0x40, 0x17, 0x6, @multicast}, &(0x7f00000016c0)={0x40, 0x19, 0x2, "bfb8"}, &(0x7f0000001700)={0x40, 0x1a, 0x2, 0x200}, &(0x7f0000001740)={0x40, 0x1c, 0x1, 0x8}, &(0x7f0000001780)={0x40, 0x1e, 0x1, 0x1}, &(0x7f00000017c0)={0x40, 0x21, 0x1, 0x2}}) [ 306.277954][T18469] FAULT_INJECTION: forcing a failure. [ 306.277954][T18469] name failslab, interval 1, probability 0, space 0, times 0 [ 306.291225][T18469] CPU: 1 PID: 18469 Comm: syz-executor.4 Not tainted 5.12.0-rc5-syzkaller #0 [ 306.300597][T18469] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 306.301859][T18473] FAULT_INJECTION: forcing a failure. [ 306.301859][T18473] name failslab, interval 1, probability 0, space 0, times 0 [ 306.311103][T18469] Call Trace: [ 306.311116][T18469] dump_stack+0x137/0x19d [ 306.311217][T18469] should_fail+0x23c/0x250 [ 306.311242][T18469] ? xas_create+0x42b/0xbb0 [ 306.324354][ T7] usb 4-1: device descriptor read/8, error -71 [ 306.327594][T18469] __should_failslab+0x81/0x90 [ 306.352270][T18469] should_failslab+0x5/0x20 [ 306.356870][T18469] kmem_cache_alloc+0x46/0x320 [ 306.361954][T18469] ? __alloc_pages_nodemask+0x1a8/0x350 [ 306.367782][T18469] xas_create+0x42b/0xbb0 [ 306.372309][T18469] xas_create_range+0x146/0x360 [ 306.377277][T18469] shmem_add_to_page_cache+0x3ed/0x6e0 [ 306.382913][T18469] shmem_getpage_gfp+0x86a/0x1980 [ 306.388142][T18469] shmem_write_begin+0x83/0x100 [ 306.393026][T18469] generic_perform_write+0x196/0x3a0 [ 306.398330][T18469] ? file_update_time+0x1bd/0x3e0 [ 306.403601][T18469] __generic_file_write_iter+0x15c/0x340 [ 306.409629][T18469] ? generic_write_checks+0x250/0x290 [ 306.415151][T18469] generic_file_write_iter+0x75/0x130 [ 306.420549][T18469] vfs_write+0x6f9/0x7e0 [ 306.424893][T18469] __x64_sys_pwrite64+0xf5/0x150 [ 306.430054][T18469] do_syscall_64+0x39/0x80 [ 306.434551][T18469] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 306.440538][T18469] RIP: 0033:0x4195f7 [ 306.444446][T18469] Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b [ 306.464147][T18469] RSP: 002b:00007fdfcb135f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 [ 306.472571][T18469] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 00000000004195f7 [ 306.480549][T18469] RDX: 0000000000000020 RSI: 0000000020000300 RDI: 0000000000000005 [ 306.488524][T18469] RBP: 0000000000000004 R08: 0000000000000000 R09: ffffffffffffffff [ 306.496515][T18469] R10: 0000000000001000 R11: 0000000000000293 R12: 0000000000000005 [ 306.504514][T18469] R13: 0000000000000005 R14: 0000000020000230 R15: 0000000000000002 [ 306.512947][T18473] CPU: 0 PID: 18473 Comm: syz-executor.0 Not tainted 5.12.0-rc5-syzkaller #0 [ 306.521783][T18473] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 306.531858][T18473] Call Trace: [ 306.534827][T18472] loop1: detected capacity change from 0 to 264192 [ 306.535138][T18473] dump_stack+0x137/0x19d [ 306.544200][T18472] FAT-fs (loop1): bogus number of reserved sectors [ 306.545961][T18473] should_fail+0x23c/0x250 [ 306.553371][T18472] FAT-fs (loop1): Can't find a valid FAT filesystem [ 306.556889][T18473] ? __d_alloc+0x36/0x370 [ 306.556918][T18473] __should_failslab+0x81/0x90 [ 306.564433][T18471] loop5: detected capacity change from 0 to 32 [ 306.567797][T18473] should_failslab+0x5/0x20 [ 306.575119][T18471] FAT-fs (loop5): bogus number of reserved sectors [ 306.578725][T18473] kmem_cache_alloc+0x46/0x320 [ 306.578750][T18473] ? __init_rwsem+0x59/0x70 [ 306.583900][T18471] FAT-fs (loop5): Can't find a valid FAT filesystem [ 306.589771][T18473] __d_alloc+0x36/0x370 [ 306.597726][T18470] VFS: unable to find oldfs superblock on device loop2 [ 306.599641][T18473] ? current_time+0xdb/0x190 [ 306.620756][T18469] loop4: detected capacity change from 0 to 4096 [ 306.621843][T18473] d_alloc_pseudo+0x1a/0x50 [ 306.632664][T18473] alloc_file_pseudo+0x63/0x130 [ 306.637522][T18473] __shmem_file_setup+0x14c/0x1d0 [ 306.642555][T18473] shmem_file_setup+0x37/0x40 [ 306.647300][T18473] __se_sys_memfd_create+0x1eb/0x390 [ 306.652665][T18473] __x64_sys_memfd_create+0x2d/0x40 [ 306.657864][T18473] do_syscall_64+0x39/0x80 [ 306.662281][T18473] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 306.668207][T18473] RIP: 0033:0x466459 [ 306.672199][T18473] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 306.692699][T18473] RSP: 002b:00007f14ea25ff48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f [ 306.701102][T18473] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000466459 [ 306.709249][T18473] RDX: 0000000000008800 RSI: 0000000000000000 RDI: 00000000004beba8 [ 306.717228][T18473] RBP: 0000000000000004 R08: 0000000000004400 R09: ffffffffffffffff 20:56:38 executing program 0 (fault-call:1 fault-nth:5): pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[]) [ 306.725198][T18473] R10: 0000000000000004 R11: 0000000000000246 R12: 0000000008100000 [ 306.733273][T18473] R13: 0000000020000100 R14: 0000000000200004 R15: 0000000020000040 [ 306.779005][T18472] loop1: detected capacity change from 0 to 264192 [ 306.786536][T18472] FAT-fs (loop1): bogus number of reserved sectors [ 306.803368][T18471] loop5: detected capacity change from 0 to 32 [ 306.809876][T18489] loop2: detected capacity change from 0 to 512 [ 306.819651][T18469] EXT4-fs (loop4): revision level too high, forcing read-only mode [ 306.827826][T18489] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 306.829695][T18471] FAT-fs (loop5): bogus number of reserved sectors [ 306.839518][T18489] EXT4-fs (loop2): group descriptors corrupted! [ 306.864385][T18501] FAULT_INJECTION: forcing a failure. [ 306.864385][T18501] name failslab, interval 1, probability 0, space 0, times 0 20:56:38 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x4002e, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) [ 306.905459][T18472] FAT-fs (loop1): Can't find a valid FAT filesystem [ 306.917991][T18469] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: writeback. [ 306.946077][T18471] FAT-fs (loop5): Can't find a valid FAT filesystem [ 306.958941][T18501] CPU: 1 PID: 18501 Comm: syz-executor.0 Not tainted 5.12.0-rc5-syzkaller #0 [ 306.967763][T18501] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 306.977939][T18501] Call Trace: [ 306.981217][T18501] dump_stack+0x137/0x19d [ 306.985720][T18501] should_fail+0x23c/0x250 [ 306.990138][T18501] ? __alloc_file+0x2e/0x1a0 [ 306.994804][T18501] __should_failslab+0x81/0x90 [ 306.999634][T18501] should_failslab+0x5/0x20 [ 307.004152][T18501] kmem_cache_alloc+0x46/0x320 [ 307.008918][T18501] ? __d_alloc+0x36/0x370 [ 307.013254][T18501] __alloc_file+0x2e/0x1a0 [ 307.017672][T18501] alloc_empty_file+0xcd/0x1c0 [ 307.022440][T18501] alloc_file+0x3a/0x280 [ 307.026711][ T7] usb 4-1: new high-speed USB device number 74 using dummy_hcd [ 307.026687][T18501] alloc_file_pseudo+0xe2/0x130 [ 307.026741][T18501] __shmem_file_setup+0x14c/0x1d0 [ 307.026765][T18501] shmem_file_setup+0x37/0x40 [ 307.048895][T18501] __se_sys_memfd_create+0x1eb/0x390 [ 307.054254][T18501] __x64_sys_memfd_create+0x2d/0x40 [ 307.059455][T18501] do_syscall_64+0x39/0x80 [ 307.063876][T18501] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 307.069855][T18501] RIP: 0033:0x466459 [ 307.073741][T18501] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 20:56:38 executing program 4 (fault-call:3 fault-nth:14): r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:56:38 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x4800, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:56:38 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0xfeffffffffffffff, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:56:38 executing program 0 (fault-call:1 fault-nth:6): pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[]) [ 307.093349][T18501] RSP: 002b:00007f14ea25ff48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f [ 307.101769][T18501] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000466459 [ 307.109742][T18501] RDX: 0000000000008800 RSI: 0000000000000000 RDI: 00000000004beba8 [ 307.117703][T18501] RBP: 0000000000000004 R08: 0000000000004400 R09: ffffffffffffffff [ 307.118237][ T7] usb 4-1: Using ep0 maxpacket: 8 [ 307.125707][T18501] R10: 0000000000000004 R11: 0000000000000246 R12: 0000000008100000 [ 307.138682][T18501] R13: 0000000020000100 R14: 0000000000200004 R15: 0000000020000040 [ 307.189125][T18507] loop5: detected capacity change from 0 to 36 [ 307.210471][T18507] FAT-fs (loop5): bogus number of reserved sectors [ 307.219664][T18512] VFS: unable to find oldfs superblock on device loop2 [ 307.224089][T18507] FAT-fs (loop5): Can't find a valid FAT filesystem [ 307.228257][T18516] FAULT_INJECTION: forcing a failure. [ 307.228257][T18516] name failslab, interval 1, probability 0, space 0, times 0 [ 307.240939][T18524] FAULT_INJECTION: forcing a failure. [ 307.240939][T18524] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 307.259270][T18524] CPU: 0 PID: 18524 Comm: syz-executor.4 Not tainted 5.12.0-rc5-syzkaller #0 [ 307.268046][T18524] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 307.279096][T18524] Call Trace: [ 307.282370][T18524] dump_stack+0x137/0x19d [ 307.286774][T18524] should_fail+0x23c/0x250 [ 307.291193][T18524] should_fail_usercopy+0x16/0x20 [ 307.296286][T18524] iov_iter_copy_from_user_atomic+0x2d6/0x830 [ 307.302435][T18524] ? shmem_write_begin+0x83/0x100 [ 307.307490][T18524] generic_perform_write+0x1e4/0x3a0 [ 307.312781][T18524] ? file_update_time+0x1bd/0x3e0 [ 307.317885][T18524] __generic_file_write_iter+0x15c/0x340 [ 307.323539][T18524] ? generic_write_checks+0x250/0x290 [ 307.328926][T18524] generic_file_write_iter+0x75/0x130 [ 307.334389][T18524] vfs_write+0x6f9/0x7e0 [ 307.338737][T18524] __x64_sys_pwrite64+0xf5/0x150 [ 307.343695][T18524] do_syscall_64+0x39/0x80 [ 307.348111][T18524] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 307.354011][T18524] RIP: 0033:0x4195f7 [ 307.357901][T18524] Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b [ 307.377511][T18524] RSP: 002b:00007fdfcb135f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 [ 307.385964][T18524] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 00000000004195f7 [ 307.393937][T18524] RDX: 0000000000000020 RSI: 0000000020000300 RDI: 0000000000000005 [ 307.401908][T18524] RBP: 0000000000000004 R08: 0000000000000000 R09: ffffffffffffffff [ 307.409880][T18524] R10: 0000000000001000 R11: 0000000000000293 R12: 0000000000000005 [ 307.417849][T18524] R13: 0000000000000005 R14: 0000000020000230 R15: 0000000000000002 [ 307.425905][T18516] CPU: 1 PID: 18516 Comm: syz-executor.0 Not tainted 5.12.0-rc5-syzkaller #0 [ 307.426347][T18520] loop1: detected capacity change from 0 to 264192 [ 307.434680][T18516] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 307.434694][T18516] Call Trace: [ 307.434703][T18516] dump_stack+0x137/0x19d [ 307.434729][T18516] should_fail+0x23c/0x250 [ 307.434747][T18516] ? security_file_alloc+0x30/0x190 [ 307.434778][T18516] __should_failslab+0x81/0x90 [ 307.434796][T18516] should_failslab+0x5/0x20 [ 307.434834][T18516] kmem_cache_alloc+0x46/0x320 [ 307.434855][T18516] ? __alloc_file+0x2e/0x1a0 [ 307.434873][T18516] security_file_alloc+0x30/0x190 [ 307.434894][T18516] __alloc_file+0x83/0x1a0 [ 307.448159][ T7] usb 4-1: New USB device found, idVendor=0c72, idProduct=000d, bcdDevice=9b.c9 [ 307.451422][T18516] alloc_empty_file+0xcd/0x1c0 [ 307.451487][T18516] alloc_file+0x3a/0x280 [ 307.451503][T18516] alloc_file_pseudo+0xe2/0x130 [ 307.455482][ T7] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 307.459081][T18516] __shmem_file_setup+0x14c/0x1d0 [ 307.459115][T18516] shmem_file_setup+0x37/0x40 [ 307.459137][T18516] __se_sys_memfd_create+0x1eb/0x390 [ 307.467973][ T7] usb 4-1: config 0 descriptor?? [ 307.468728][T18516] __x64_sys_memfd_create+0x2d/0x40 [ 307.468753][T18516] do_syscall_64+0x39/0x80 [ 307.557169][T18516] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 307.563083][T18516] RIP: 0033:0x466459 [ 307.566987][T18516] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 20:56:39 executing program 0 (fault-call:1 fault-nth:7): pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[]) [ 307.586742][T18516] RSP: 002b:00007f14ea25ff48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f [ 307.595139][T18516] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000466459 [ 307.603112][T18516] RDX: 0000000000008800 RSI: 0000000000000000 RDI: 00000000004beba8 [ 307.611091][T18516] RBP: 0000000000000004 R08: 0000000000004400 R09: ffffffffffffffff [ 307.619065][T18516] R10: 0000000000000004 R11: 0000000000000246 R12: 0000000008100000 [ 307.627021][T18516] R13: 0000000020000100 R14: 0000000000200004 R15: 0000000020000040 [ 307.669565][T18526] loop2: detected capacity change from 0 to 512 [ 307.676040][T18524] loop4: detected capacity change from 0 to 4096 [ 307.678215][T18526] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 307.694132][T18526] EXT4-fs (loop2): group descriptors corrupted! [ 307.697754][T18520] FAT-fs (loop1): bogus number of reserved sectors [ 307.709906][T18479] udc-core: couldn't find an available UDC or it's busy [ 307.724336][T18507] loop5: detected capacity change from 0 to 36 [ 307.727380][T18479] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 307.738460][T18507] FAT-fs (loop5): bogus number of reserved sectors [ 307.740475][T18524] EXT4-fs (loop4): revision level too high, forcing read-only mode [ 307.752637][T18507] FAT-fs (loop5): Can't find a valid FAT filesystem [ 307.758866][T18520] FAT-fs (loop1): Can't find a valid FAT filesystem [ 307.764999][T18547] FAULT_INJECTION: forcing a failure. [ 307.764999][T18547] name failslab, interval 1, probability 0, space 0, times 0 [ 307.766478][T18524] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: writeback. [ 307.782371][T18479] udc-core: couldn't find an available UDC or it's busy [ 307.792671][T18547] CPU: 1 PID: 18547 Comm: syz-executor.0 Not tainted 5.12.0-rc5-syzkaller #0 [ 307.805602][T18547] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 307.808640][T18479] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 20:56:39 executing program 4 (fault-call:3 fault-nth:15): r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 307.815674][T18547] Call Trace: [ 307.815686][T18547] dump_stack+0x137/0x19d [ 307.815712][T18547] should_fail+0x23c/0x250 [ 307.815730][T18547] __should_failslab+0x81/0x90 [ 307.839946][T18547] ? tomoyo_realpath_from_path+0x98/0x3b0 [ 307.840016][T18547] should_failslab+0x5/0x20 [ 307.840114][T18547] __kmalloc+0x66/0x380 [ 307.854531][T18547] ? __alloc_pages_nodemask+0x1a8/0x350 [ 307.856696][ T7] peak_usb 4-1:0.0 can0: unable to request usb[type=0 value=1] err=-71 [ 307.860083][T18547] tomoyo_realpath_from_path+0x98/0x3b0 [ 307.868387][ T7] peak_usb 4-1:0.0: unable to read PCAN-USB Pro firmware info (err -71) [ 307.873839][T18547] tomoyo_path_perm+0xc6/0x330 [ 307.873867][T18547] ? security_file_alloc+0x30/0x190 [ 307.873895][T18547] tomoyo_path_truncate+0x18/0x20 [ 307.873941][T18547] security_path_truncate+0x7f/0xd0 [ 307.873962][T18547] do_sys_ftruncate+0x378/0x540 [ 307.873984][T18547] ? kfree+0xf0/0x1e0 [ 307.873999][T18547] ? fpregs_assert_state_consistent+0x7d/0x90 [ 307.917295][T18547] __x64_sys_ftruncate+0x2f/0x40 [ 307.922231][T18547] do_syscall_64+0x39/0x80 [ 307.926665][T18547] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 307.932556][T18547] RIP: 0033:0x466417 [ 307.936522][T18547] Code: 48 89 e7 e8 cb e5 ff ff 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 1a 00 00 90 b8 4d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 [ 307.956114][T18547] RSP: 002b:00007f14ea25ff48 EFLAGS: 00000217 ORIG_RAX: 000000000000004d [ 307.964584][T18547] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000466417 [ 307.972539][T18547] RDX: 0000000000008800 RSI: 0000000000200004 RDI: 0000000000000004 [ 307.980492][T18547] RBP: 0000000000000004 R08: 0000000000004400 R09: ffffffffffffffff [ 307.988446][T18547] R10: 0000000000000004 R11: 0000000000000217 R12: 0000000000000004 [ 307.996429][T18547] R13: 0000000000000004 R14: 0000000000200004 R15: 0000000020000040 [ 308.006086][T18547] ERROR: Out of memory at tomoyo_realpath_from_path. 20:56:39 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x4c00, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:56:39 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0xffffff7f00000000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:56:39 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40034, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) [ 308.053544][T18547] loop0: detected capacity change from 0 to 4096 [ 308.106778][ T7] peak_usb: probe of 4-1:0.0 failed with error -71 [ 308.126318][ T7] usb 4-1: USB disconnect, device number 74 [ 308.132541][T18547] EXT4-fs (loop0): revision level too high, forcing read-only mode [ 308.153341][T18567] FAULT_INJECTION: forcing a failure. [ 308.153341][T18567] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 308.167058][T18567] CPU: 1 PID: 18567 Comm: syz-executor.4 Not tainted 5.12.0-rc5-syzkaller #0 [ 308.175837][T18567] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 308.182434][T18547] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: writeback. [ 308.185893][T18567] Call Trace: [ 308.185905][T18567] dump_stack+0x137/0x19d [ 308.204448][T18567] should_fail+0x23c/0x250 [ 308.207037][T18565] loop1: detected capacity change from 0 to 264192 [ 308.208887][T18567] __alloc_pages_nodemask+0xea/0x350 [ 308.220638][T18567] alloc_pages_vma+0x3e6/0x890 [ 308.223276][T18568] VFS: unable to find oldfs superblock on device loop2 [ 308.225511][T18567] shmem_alloc_and_acct_page+0x2ba/0x640 [ 308.225545][T18567] shmem_getpage_gfp+0x6c6/0x1980 [ 308.235837][T18565] FAT-fs (loop1): bogus number of reserved sectors [ 308.238019][T18567] shmem_write_begin+0x83/0x100 [ 308.238071][T18567] generic_perform_write+0x196/0x3a0 [ 308.247605][T18565] FAT-fs (loop1): Can't find a valid FAT filesystem [ 308.249564][T18567] ? file_update_time+0x1bd/0x3e0 [ 308.249592][T18567] __generic_file_write_iter+0x15c/0x340 [ 308.277090][T18567] ? generic_write_checks+0x250/0x290 [ 308.282496][T18567] generic_file_write_iter+0x75/0x130 [ 308.287877][T18567] vfs_write+0x6f9/0x7e0 [ 308.292137][T18567] __x64_sys_pwrite64+0xf5/0x150 [ 308.297138][T18567] do_syscall_64+0x39/0x80 [ 308.301558][T18567] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 308.307480][T18567] RIP: 0033:0x4195f7 [ 308.311386][T18567] Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b [ 308.331161][T18567] RSP: 002b:00007fdfcb135f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 [ 308.339679][T18567] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 00000000004195f7 [ 308.347655][T18567] RDX: 000000000000001d RSI: 0000000020012600 RDI: 0000000000000005 20:56:39 executing program 3: openat(0xffffffffffffffff, 0x0, 0x0, 0x0) r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000080)={{0x12, 0x1, 0x0, 0xf6, 0xbe, 0xd8, 0x8, 0xc72, 0xd, 0x9bc9, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x9b, 0x10, 0x39}}]}}]}}, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000840)={0x44, &(0x7f0000000000)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r1 = syz_mount_image$vfat(&(0x7f0000000000)='vfat\x00', &(0x7f0000000040)='./file0\x00', 0x0, 0x1, &(0x7f0000000100)=[{&(0x7f00000000c0)="f9336e2e80443be4058efa8e9cf3e56d", 0x10, 0x4}], 0x2000, &(0x7f0000000140)={[{@shortname_mixed='shortname=mixed'}, {@nonumtail='nnonumtail=1'}, {@numtail='nonumtail=0'}], [{@dont_hash='dont_hash'}, {@smackfsdef={'smackfsdef'}}, {@fsmagic={'fsmagic', 0x3d, 0xffff}}, {@dont_appraise='dont_appraise'}, {@euid_lt={'euid<'}}, {@obj_role={'obj_role', 0x3d, ':\xf1:'}}]}) openat(r1, &(0x7f0000000200)='./file0\x00', 0x100, 0x88) 20:56:39 executing program 0 (fault-call:1 fault-nth:8): pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[]) [ 308.355620][T18567] RBP: 0000000000000004 R08: 0000000000000000 R09: ffffffffffffffff [ 308.356334][T18581] udc-core: couldn't find an available UDC or it's busy [ 308.363615][T18567] R10: 0000000000004400 R11: 0000000000000293 R12: 0000000000000005 [ 308.363647][T18567] R13: 0000000000000005 R14: 0000000020000248 R15: 0000000000000003 [ 308.389731][T18581] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 308.426153][T18565] loop1: detected capacity change from 0 to 264192 [ 308.434060][T18567] loop4: detected capacity change from 0 to 4096 [ 308.440529][T18569] loop5: detected capacity change from 0 to 38 [ 308.462409][T18565] FAT-fs (loop1): bogus number of reserved sectors [ 308.478785][T18569] FAT-fs (loop5): bogus number of reserved sectors [ 308.489663][T18576] loop2: detected capacity change from 0 to 512 [ 308.510203][T18567] EXT4-fs error (device loop4): ext4_fill_super:4943: inode #2: comm syz-executor.4: iget: root inode unallocated [ 308.529007][T18576] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 308.550299][T18576] EXT4-fs (loop2): group descriptors corrupted! [ 308.552167][T18565] FAT-fs (loop1): Can't find a valid FAT filesystem [ 308.560877][T18567] EXT4-fs (loop4): get root inode failed [ 308.563637][T18602] FAULT_INJECTION: forcing a failure. 20:56:40 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40035, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) [ 308.563637][T18602] name failslab, interval 1, probability 0, space 0, times 0 [ 308.582810][T18569] FAT-fs (loop5): Can't find a valid FAT filesystem [ 308.583432][T18602] CPU: 0 PID: 18602 Comm: syz-executor.0 Not tainted 5.12.0-rc5-syzkaller #0 [ 308.598182][T18602] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 308.600752][T18567] EXT4-fs (loop4): mount failed [ 308.608263][T18602] Call Trace: [ 308.608274][T18602] dump_stack+0x137/0x19d [ 308.608300][T18602] should_fail+0x23c/0x250 [ 308.625135][T18602] __should_failslab+0x81/0x90 [ 308.629974][T18602] ? tomoyo_encode2+0x1d3/0x350 [ 308.634839][T18602] should_failslab+0x5/0x20 [ 308.639350][T18602] __kmalloc+0x66/0x380 [ 308.643513][T18602] tomoyo_encode2+0x1d3/0x350 [ 308.648200][T18602] ? dynamic_dname+0xf0/0xf0 [ 308.652826][T18602] tomoyo_realpath_from_path+0x35e/0x3b0 [ 308.658484][T18602] tomoyo_path_perm+0xc6/0x330 [ 308.663254][T18602] ? security_file_alloc+0x30/0x190 [ 308.668465][T18602] tomoyo_path_truncate+0x18/0x20 [ 308.673551][T18602] security_path_truncate+0x7f/0xd0 [ 308.678810][T18602] do_sys_ftruncate+0x378/0x540 [ 308.683721][T18602] ? kfree+0xf0/0x1e0 [ 308.687706][T18602] ? fpregs_assert_state_consistent+0x7d/0x90 [ 308.693819][T18602] __x64_sys_ftruncate+0x2f/0x40 [ 308.698766][T18602] do_syscall_64+0x39/0x80 [ 308.703193][T18602] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 308.709094][T18602] RIP: 0033:0x466417 [ 308.712987][T18602] Code: 48 89 e7 e8 cb e5 ff ff 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 1a 00 00 90 b8 4d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 [ 308.732607][T18602] RSP: 002b:00007f14ea25ff48 EFLAGS: 00000217 ORIG_RAX: 000000000000004d [ 308.741046][T18602] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000466417 [ 308.749025][T18602] RDX: 0000000000008800 RSI: 0000000000200004 RDI: 0000000000000004 [ 308.757062][T18602] RBP: 0000000000000004 R08: 0000000000004400 R09: ffffffffffffffff [ 308.765042][T18602] R10: 0000000000000004 R11: 0000000000000217 R12: 0000000000000004 [ 308.773079][T18602] R13: 0000000000000004 R14: 0000000000200004 R15: 0000000020000040 [ 308.785858][T18602] ERROR: Out of memory at tomoyo_realpath_from_path. 20:56:40 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0xffffffff00000000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:56:40 executing program 4 (fault-call:3 fault-nth:16): r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 308.836619][T18569] loop5: detected capacity change from 0 to 38 [ 308.844692][T18602] loop0: detected capacity change from 0 to 4096 [ 308.854106][T18602] EXT4-fs (loop0): revision level too high, forcing read-only mode [ 308.862636][T18602] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: writeback. [ 308.863032][T18569] FAT-fs (loop5): bogus number of reserved sectors 20:56:40 executing program 0 (fault-call:1 fault-nth:9): pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[]) [ 308.884452][T18621] VFS: unable to find oldfs superblock on device loop2 [ 308.912376][T18569] FAT-fs (loop5): Can't find a valid FAT filesystem [ 308.929809][T18630] FAULT_INJECTION: forcing a failure. [ 308.929809][T18630] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 308.937060][T18632] loop1: detected capacity change from 0 to 264192 [ 308.942919][T18630] CPU: 0 PID: 18630 Comm: syz-executor.4 Not tainted 5.12.0-rc5-syzkaller #0 [ 308.958124][T18630] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 308.968183][T18630] Call Trace: [ 308.971466][T18630] dump_stack+0x137/0x19d [ 308.975785][T18630] should_fail+0x23c/0x250 [ 308.980200][T18630] should_fail_usercopy+0x16/0x20 [ 308.985222][T18630] iov_iter_copy_from_user_atomic+0x2d6/0x830 [ 308.991397][T18630] ? shmem_write_begin+0x83/0x100 [ 308.996539][T18630] generic_perform_write+0x1e4/0x3a0 [ 309.001864][T18630] ? file_update_time+0x1bd/0x3e0 [ 309.006917][T18630] __generic_file_write_iter+0x15c/0x340 [ 309.012530][T18630] ? generic_write_checks+0x250/0x290 [ 309.017921][T18630] generic_file_write_iter+0x75/0x130 [ 309.023358][T18630] vfs_write+0x6f9/0x7e0 [ 309.027602][T18630] __x64_sys_pwrite64+0xf5/0x150 [ 309.032559][T18630] do_syscall_64+0x39/0x80 [ 309.037044][T18630] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 309.042950][T18630] RIP: 0033:0x4195f7 [ 309.046821][T18630] Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b [ 309.066430][T18630] RSP: 002b:00007fdfcb135f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 [ 309.074842][T18630] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 00000000004195f7 [ 309.082817][T18630] RDX: 000000000000001d RSI: 0000000020012600 RDI: 0000000000000005 [ 309.090788][T18630] RBP: 0000000000000004 R08: 0000000000000000 R09: ffffffffffffffff [ 309.098799][T18630] R10: 0000000000004400 R11: 0000000000000293 R12: 0000000000000005 [ 309.106944][T18630] R13: 0000000000000005 R14: 0000000020000248 R15: 0000000000000003 [ 309.126835][T18632] FAT-fs (loop1): bogus number of reserved sectors [ 309.136663][T18632] FAT-fs (loop1): Can't find a valid FAT filesystem [ 309.149490][T18630] loop4: detected capacity change from 0 to 4096 20:56:40 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x5c00, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 309.161189][T18644] FAULT_INJECTION: forcing a failure. [ 309.161189][T18644] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 309.165003][T18634] loop2: detected capacity change from 0 to 512 [ 309.186257][T18630] EXT4-fs (loop4): revision level too high, forcing read-only mode [ 309.191143][T18644] CPU: 0 PID: 18644 Comm: syz-executor.0 Not tainted 5.12.0-rc5-syzkaller #0 [ 309.203045][T18644] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 309.213098][T18644] Call Trace: [ 309.216388][T18644] dump_stack+0x137/0x19d [ 309.220723][T18644] should_fail+0x23c/0x250 [ 309.225172][T18644] __alloc_pages_nodemask+0xea/0x350 [ 309.230498][T18644] alloc_pages_vma+0x3e6/0x890 [ 309.235260][T18644] shmem_alloc_and_acct_page+0x2ba/0x640 [ 309.240903][T18644] shmem_getpage_gfp+0x6c6/0x1980 [ 309.245937][T18644] shmem_write_begin+0x83/0x100 [ 309.250816][T18644] generic_perform_write+0x196/0x3a0 [ 309.256106][T18644] ? file_update_time+0x1bd/0x3e0 [ 309.261155][T18644] __generic_file_write_iter+0x15c/0x340 [ 309.266786][T18644] ? generic_write_checks+0x250/0x290 [ 309.272175][T18644] generic_file_write_iter+0x75/0x130 [ 309.277574][T18644] vfs_write+0x6f9/0x7e0 [ 309.281819][T18644] __x64_sys_pwrite64+0xf5/0x150 [ 309.286755][T18644] do_syscall_64+0x39/0x80 [ 309.291166][T18644] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 309.297197][T18644] RIP: 0033:0x4195f7 [ 309.301123][T18644] Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b [ 309.320736][T18644] RSP: 002b:00007f14ea25ff20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 [ 309.329161][T18644] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 00000000004195f7 [ 309.337157][T18644] RDX: 0000000000000066 RSI: 0000000020010000 RDI: 0000000000000004 [ 309.345136][T18644] RBP: 0000000000000004 R08: 0000000000000000 R09: ffffffffffffffff [ 309.353161][T18644] R10: 0000000000000400 R11: 0000000000000293 R12: 0000000000000004 [ 309.361184][T18644] R13: 0000000000000004 R14: 0000000020000200 R15: 0000000000000000 [ 309.370844][T18630] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: writeback. [ 309.383464][T18634] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 309.395006][T18634] EXT4-fs (loop2): group descriptors corrupted! [ 309.406718][T18646] loop5: detected capacity change from 0 to 46 20:56:40 executing program 4 (fault-call:3 fault-nth:17): r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 309.419723][T18646] FAT-fs (loop5): bogus number of reserved sectors [ 309.430230][T18646] FAT-fs (loop5): Can't find a valid FAT filesystem [ 309.440363][T18644] loop0: detected capacity change from 0 to 4096 [ 309.446712][ T7] usb 4-1: new high-speed USB device number 75 using dummy_hcd [ 309.451223][T18632] loop1: detected capacity change from 0 to 264192 [ 309.477127][T18644] EXT4-fs (loop0): VFS: Can't find ext4 filesystem [ 309.485176][T18632] FAT-fs (loop1): bogus number of reserved sectors [ 309.504134][T18632] FAT-fs (loop1): Can't find a valid FAT filesystem [ 309.514461][T18664] FAULT_INJECTION: forcing a failure. [ 309.514461][T18664] name failslab, interval 1, probability 0, space 0, times 0 [ 309.530237][T18664] CPU: 0 PID: 18664 Comm: syz-executor.4 Not tainted 5.12.0-rc5-syzkaller #0 [ 309.539012][T18664] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 309.546771][T18646] loop5: detected capacity change from 0 to 46 [ 309.549064][T18664] Call Trace: [ 309.549086][T18664] dump_stack+0x137/0x19d [ 309.562799][T18664] should_fail+0x23c/0x250 [ 309.567220][T18664] ? getname_flags+0x84/0x3d0 [ 309.571896][T18664] __should_failslab+0x81/0x90 [ 309.576669][T18664] should_failslab+0x5/0x20 [ 309.581283][T18664] kmem_cache_alloc+0x46/0x320 [ 309.586132][T18664] getname_flags+0x84/0x3d0 [ 309.590633][T18664] ? vfs_write+0x572/0x7e0 [ 309.595138][T18664] getname+0x15/0x20 [ 309.599031][T18664] do_sys_openat2+0x5b/0x250 [ 309.603629][T18664] __x64_sys_openat+0xef/0x110 [ 309.608483][T18664] do_syscall_64+0x39/0x80 [ 309.612884][T18664] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 309.618787][T18664] RIP: 0033:0x419544 [ 309.622657][T18664] Code: 84 00 00 00 00 00 44 89 54 24 0c e8 96 f9 ff ff 44 8b 54 24 0c 44 89 e2 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 89 44 24 0c e8 c8 f9 ff ff 8b 44 [ 309.642444][T18664] RSP: 002b:00007fdfcb135ed0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 [ 309.650858][T18664] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 0000000000419544 [ 309.658828][T18664] RDX: 0000000000000002 RSI: 00007fdfcb136000 RDI: 00000000ffffff9c [ 309.666794][T18664] RBP: 00007fdfcb136000 R08: 0000000000000000 R09: ffffffffffffffff 20:56:41 executing program 0 (fault-call:1 fault-nth:10): pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[]) 20:56:41 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40036, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) 20:56:41 executing program 4 (fault-call:3 fault-nth:18): r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 309.674783][T18664] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002 [ 309.682757][T18664] R13: 0000000000000005 R14: 0000000020000260 R15: 0000000000000004 20:56:41 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0xfffffffffffffffe, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 309.742328][T18646] FAT-fs (loop5): bogus number of reserved sectors [ 309.770727][T18676] FAULT_INJECTION: forcing a failure. [ 309.770727][T18676] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 309.783828][T18676] CPU: 0 PID: 18676 Comm: syz-executor.0 Not tainted 5.12.0-rc5-syzkaller #0 [ 309.792680][T18676] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 309.802862][T18676] Call Trace: [ 309.806145][T18676] dump_stack+0x137/0x19d [ 309.810492][T18676] should_fail+0x23c/0x250 [ 309.814921][T18676] should_fail_usercopy+0x16/0x20 [ 309.820009][T18676] iov_iter_copy_from_user_atomic+0x2d6/0x830 [ 309.826088][T18676] ? shmem_write_begin+0x83/0x100 [ 309.831123][T18676] generic_perform_write+0x1e4/0x3a0 [ 309.836415][T18676] ? file_update_time+0x1bd/0x3e0 [ 309.837796][T18679] FAULT_INJECTION: forcing a failure. [ 309.837796][T18679] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 309.841467][T18676] __generic_file_write_iter+0x15c/0x340 [ 309.860126][T18676] ? generic_write_checks+0x250/0x290 [ 309.865546][T18676] generic_file_write_iter+0x75/0x130 [ 309.870997][T18676] vfs_write+0x6f9/0x7e0 [ 309.875255][T18676] __x64_sys_pwrite64+0xf5/0x150 [ 309.880224][T18676] do_syscall_64+0x39/0x80 [ 309.884649][T18676] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 309.890567][T18676] RIP: 0033:0x4195f7 [ 309.894525][T18676] Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b [ 309.914150][T18676] RSP: 002b:00007f14ea25ff20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 [ 309.922569][T18676] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 00000000004195f7 [ 309.930541][T18676] RDX: 0000000000000066 RSI: 0000000020010000 RDI: 0000000000000004 [ 309.938534][T18676] RBP: 0000000000000004 R08: 0000000000000000 R09: ffffffffffffffff [ 309.946510][T18676] R10: 0000000000000400 R11: 0000000000000293 R12: 0000000000000004 [ 309.954483][T18676] R13: 0000000000000004 R14: 0000000020000200 R15: 0000000000000000 [ 309.962468][T18679] CPU: 1 PID: 18679 Comm: syz-executor.4 Not tainted 5.12.0-rc5-syzkaller #0 [ 309.967884][T18646] FAT-fs (loop5): Can't find a valid FAT filesystem [ 309.971308][T18679] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 309.971322][T18679] Call Trace: [ 309.971331][T18679] dump_stack+0x137/0x19d [ 309.986900][ T7] usb 4-1: Using ep0 maxpacket: 8 [ 309.987976][T18679] should_fail+0x23c/0x250 [ 310.005031][T18679] should_fail_usercopy+0x16/0x20 [ 310.010057][T18679] strncpy_from_user+0x21/0x250 [ 310.014903][T18679] getname_flags+0xb8/0x3d0 [ 310.019398][T18679] ? vfs_write+0x572/0x7e0 [ 310.023834][T18679] getname+0x15/0x20 [ 310.027807][T18679] do_sys_openat2+0x5b/0x250 [ 310.032500][T18679] __x64_sys_openat+0xef/0x110 [ 310.037263][T18679] do_syscall_64+0x39/0x80 [ 310.041679][T18679] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 310.047646][T18679] RIP: 0033:0x419544 [ 310.051534][T18679] Code: 84 00 00 00 00 00 44 89 54 24 0c e8 96 f9 ff ff 44 8b 54 24 0c 44 89 e2 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 89 44 24 0c e8 c8 f9 ff ff 8b 44 [ 310.071150][T18679] RSP: 002b:00007fdfcb114ed0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 [ 310.079652][T18679] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 0000000000419544 [ 310.087733][T18679] RDX: 0000000000000002 RSI: 00007fdfcb115000 RDI: 00000000ffffff9c [ 310.095708][T18679] RBP: 00007fdfcb115000 R08: 0000000000000000 R09: ffffffffffffffff [ 310.103682][T18679] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002 [ 310.111654][T18679] R13: 0000000000000004 R14: 0000000020000260 R15: 0000000000000004 [ 310.126412][T18676] loop0: detected capacity change from 0 to 4096 [ 310.143233][T18676] EXT4-fs (loop0): revision level too high, forcing read-only mode [ 310.167748][T18686] VFS: unable to find oldfs superblock on device loop2 [ 310.183159][T18676] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: writeback. [ 310.196984][ T7] usb 4-1: New USB device found, idVendor=0c72, idProduct=000d, bcdDevice=9b.c9 [ 310.255490][ T7] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 310.265052][ T7] usb 4-1: config 0 descriptor?? [ 310.284405][T18684] loop2: detected capacity change from 0 to 512 [ 310.295208][T18692] loop1: detected capacity change from 0 to 264192 [ 310.337831][T18692] FAT-fs (loop1): bogus number of reserved sectors [ 310.339467][T18684] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 310.344396][T18692] FAT-fs (loop1): Can't find a valid FAT filesystem [ 310.435600][T18684] EXT4-fs (loop2): group descriptors corrupted! [ 310.497689][T18711] loop2: detected capacity change from 0 to 512 [ 310.514103][T18711] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 310.524919][T18711] EXT4-fs (loop2): group descriptors corrupted! [ 310.579292][ T3239] ieee802154 phy0 wpan0: encryption failed: -22 [ 310.585627][ T3239] ieee802154 phy1 wpan1: encryption failed: -22 [ 310.816688][ T7] peak_usb 4-1:0.0 can0: unable to request usb[type=0 value=0] err=-71 [ 310.831429][ T7] peak_usb 4-1:0.0: unable to read PCAN-USB Pro bootloader info (err -71) [ 310.896723][ T7] peak_usb: probe of 4-1:0.0 failed with error -71 [ 310.921649][ T7] usb 4-1: USB disconnect, device number 75 20:56:42 executing program 3: r0 = openat(0xffffffffffffffff, 0x0, 0x0, 0x0) r1 = syz_usb_connect(0xc798f542a56ade7d, 0x24, &(0x7f0000000080)=ANY=[@ANYBLOB="12010000f6bed808720c0d00c99b0000000109021200010000000009040000009b113900"], 0x0) syz_usb_control_io(r1, 0x0, &(0x7f0000000840)={0x44, &(0x7f0000000000)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) setsockopt$IP6T_SO_SET_REPLACE(r0, 0x29, 0x40, &(0x7f00000000c0)=@raw={'raw\x00', 0x9, 0x3, 0x2d8, 0x0, 0xffffffff, 0xffffffff, 0x0, 0xffffffff, 0x208, 0xffffffff, 0xffffffff, 0x208, 0xffffffff, 0x3, &(0x7f0000000040), {[{{@uncond, 0x0, 0xa8, 0xd8}, @common=@inet=@SET2={0x30, 'SET\x00', 0x2, {{0xffffffffffffffff, 0x4, 0x8}, {0x0, 0x4, 0x6}, 0x5, 0x5}}}, {{@ipv6={@remote, @private1, [0x0, 0xffffffff, 0xff, 0xffffff00], [0xff, 0xffffffff, 0xffffffff, 0xffffffff], 'veth0_to_bond\x00', 'ip6gretap0\x00', {}, {0xff}, 0x2, 0xe7, 0x2, 0x64}, 0x0, 0xf8, 0x130, 0x0, {}, [@common=@unspec=@pkttype={{0x28, 'pkttype\x00'}, {0x3, 0x2}}, @inet=@rpfilter={{0x28, 'rpfilter\x00'}, {0xe}}]}, @common=@inet=@SET3={0x38, 'SET\x00', 0x3, {{0x3, 0x0, 0x5}, {0x3, 0x1, 0x3}, {0x1, 0x0, 0x3}, 0x6, 0x8}}}], {{[], 0x0, 0xa8, 0xd0}, {0x28}}}}, 0x338) openat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x38040, 0x19e) 20:56:42 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x6000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:56:42 executing program 4 (fault-call:3 fault-nth:19): r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:56:42 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0xffffffffffffffff, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:56:42 executing program 0 (fault-call:1 fault-nth:11): pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[]) 20:56:42 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40048, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) [ 311.361398][T18752] VFS: unable to find oldfs superblock on device loop2 [ 311.368402][T18758] FAULT_INJECTION: forcing a failure. [ 311.368402][T18758] name failslab, interval 1, probability 0, space 0, times 0 [ 311.383906][T18759] FAULT_INJECTION: forcing a failure. [ 311.383906][T18759] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 311.397010][T18759] CPU: 0 PID: 18759 Comm: syz-executor.0 Not tainted 5.12.0-rc5-syzkaller #0 [ 311.405776][T18759] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 311.415859][T18759] Call Trace: [ 311.419137][T18759] dump_stack+0x137/0x19d [ 311.423548][T18759] should_fail+0x23c/0x250 [ 311.427991][T18759] should_fail_usercopy+0x16/0x20 [ 311.433088][T18759] iov_iter_copy_from_user_atomic+0x2d6/0x830 [ 311.439202][T18759] ? shmem_write_begin+0x83/0x100 [ 311.444235][T18759] generic_perform_write+0x1e4/0x3a0 [ 311.449550][T18759] ? file_update_time+0x1bd/0x3e0 [ 311.454657][T18759] __generic_file_write_iter+0x15c/0x340 [ 311.460314][T18759] ? generic_write_checks+0x250/0x290 [ 311.465704][T18759] generic_file_write_iter+0x75/0x130 [ 311.471082][T18759] vfs_write+0x6f9/0x7e0 [ 311.475343][T18759] __x64_sys_pwrite64+0xf5/0x150 [ 311.480321][T18759] do_syscall_64+0x39/0x80 [ 311.484738][T18759] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 311.490649][T18759] RIP: 0033:0x4195f7 [ 311.494536][T18759] Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b [ 311.514149][T18759] RSP: 002b:00007f14ea25ff20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 [ 311.522609][T18759] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 00000000004195f7 [ 311.530576][T18759] RDX: 000000000000001f RSI: 00000000200000c0 RDI: 0000000000000004 [ 311.538627][T18759] RBP: 0000000000000004 R08: 0000000000000000 R09: ffffffffffffffff [ 311.546679][T18759] R10: 00000000000004e0 R11: 0000000000000293 R12: 0000000000000004 [ 311.554714][T18759] R13: 0000000000000004 R14: 0000000020000218 R15: 0000000000000001 [ 311.562695][T18758] CPU: 1 PID: 18758 Comm: syz-executor.4 Not tainted 5.12.0-rc5-syzkaller #0 [ 311.571343][T18753] loop5: detected capacity change from 0 to 48 [ 311.571498][T18758] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 311.579383][T18757] loop1: detected capacity change from 0 to 264192 [ 311.587689][T18758] Call Trace: [ 311.587703][T18758] dump_stack+0x137/0x19d [ 311.587730][T18758] should_fail+0x23c/0x250 [ 311.587749][T18758] ? __alloc_file+0x2e/0x1a0 [ 311.611033][T18758] __should_failslab+0x81/0x90 [ 311.615781][T18758] should_failslab+0x5/0x20 [ 311.620271][T18758] kmem_cache_alloc+0x46/0x320 [ 311.625029][T18758] __alloc_file+0x2e/0x1a0 [ 311.629425][T18758] alloc_empty_file+0xcd/0x1c0 [ 311.634224][T18758] path_openat+0x65/0x21b0 [ 311.638619][T18758] ? iov_iter_advance+0x1eb/0xa40 [ 311.643640][T18758] ? balance_dirty_pages_ratelimited+0xce/0x8b0 [ 311.649914][T18758] ? generic_perform_write+0x332/0x3a0 [ 311.656173][T18758] do_filp_open+0xbd/0x1d0 [ 311.660573][T18758] ? expand_files+0x55/0x520 [ 311.665161][T18758] ? __virt_addr_valid+0x15a/0x1a0 [ 311.670272][T18758] ? __check_object_size+0x253/0x310 [ 311.675573][T18758] ? _raw_spin_unlock+0x22/0x40 [ 311.680433][T18758] ? alloc_fd+0x35d/0x3b0 [ 311.684766][T18758] do_sys_openat2+0xa3/0x250 [ 311.689370][T18758] __x64_sys_openat+0xef/0x110 [ 311.694128][T18758] do_syscall_64+0x39/0x80 [ 311.698540][T18758] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 311.704434][T18758] RIP: 0033:0x419544 [ 311.708418][T18758] Code: 84 00 00 00 00 00 44 89 54 24 0c e8 96 f9 ff ff 44 8b 54 24 0c 44 89 e2 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 89 44 24 0c e8 c8 f9 ff ff 8b 44 [ 311.728161][T18758] RSP: 002b:00007fdfcb135ed0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 [ 311.736581][T18758] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 0000000000419544 [ 311.744533][T18758] RDX: 0000000000000002 RSI: 00007fdfcb136000 RDI: 00000000ffffff9c [ 311.752487][T18758] RBP: 00007fdfcb136000 R08: 0000000000000000 R09: ffffffffffffffff [ 311.760516][T18758] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002 [ 311.768525][T18758] R13: 0000000000000005 R14: 0000000020000260 R15: 0000000000000004 [ 311.794102][T18753] FAT-fs (loop5): bogus number of reserved sectors [ 311.795617][T18765] loop2: detected capacity change from 0 to 512 [ 311.802668][T18757] FAT-fs (loop1): bogus number of reserved sectors 20:56:43 executing program 4 (fault-call:3 fault-nth:20): r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 311.813801][T18759] loop0: detected capacity change from 0 to 4096 [ 311.831697][T18753] FAT-fs (loop5): Can't find a valid FAT filesystem [ 311.847483][T18757] FAT-fs (loop1): Can't find a valid FAT filesystem 20:56:43 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x0, 0x2, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:56:43 executing program 0 (fault-call:1 fault-nth:12): pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[]) [ 311.896494][T18759] EXT4-fs (loop0): revision level too high, forcing read-only mode [ 311.906319][T18759] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: writeback. 20:56:43 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x6400, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 311.947005][T18782] FAULT_INJECTION: forcing a failure. [ 311.947005][T18782] name failslab, interval 1, probability 0, space 0, times 0 [ 311.959698][T18782] CPU: 1 PID: 18782 Comm: syz-executor.4 Not tainted 5.12.0-rc5-syzkaller #0 [ 311.968468][T18782] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 311.978542][T18782] Call Trace: [ 311.981821][T18782] dump_stack+0x137/0x19d [ 311.986228][T18782] should_fail+0x23c/0x250 [ 311.990654][T18782] ? security_file_alloc+0x30/0x190 20:56:43 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x4004c, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) [ 311.995864][T18782] __should_failslab+0x81/0x90 [ 312.000631][T18782] should_failslab+0x5/0x20 [ 312.005213][T18782] kmem_cache_alloc+0x46/0x320 [ 312.009982][T18782] ? __alloc_file+0x2e/0x1a0 [ 312.014599][T18782] security_file_alloc+0x30/0x190 [ 312.019735][T18782] __alloc_file+0x83/0x1a0 [ 312.024280][T18782] alloc_empty_file+0xcd/0x1c0 [ 312.029051][T18782] path_openat+0x65/0x21b0 [ 312.033486][T18782] ? iov_iter_advance+0x1eb/0xa40 [ 312.038547][T18782] ? balance_dirty_pages_ratelimited+0xce/0x8b0 [ 312.044818][T18782] ? generic_perform_write+0x332/0x3a0 [ 312.050288][T18782] do_filp_open+0xbd/0x1d0 [ 312.054707][T18782] ? expand_files+0x55/0x520 [ 312.059312][T18782] ? __virt_addr_valid+0x15a/0x1a0 [ 312.064436][T18782] ? __check_object_size+0x253/0x310 [ 312.069786][T18782] ? _raw_spin_unlock+0x22/0x40 [ 312.074991][T18782] ? alloc_fd+0x35d/0x3b0 [ 312.079333][T18782] do_sys_openat2+0xa3/0x250 [ 312.083952][T18782] __x64_sys_openat+0xef/0x110 [ 312.089590][T18782] do_syscall_64+0x39/0x80 [ 312.094035][T18782] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 312.099951][T18782] RIP: 0033:0x419544 [ 312.103854][T18782] Code: 84 00 00 00 00 00 44 89 54 24 0c e8 96 f9 ff ff 44 8b 54 24 0c 44 89 e2 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 89 44 24 0c e8 c8 f9 ff ff 8b 44 [ 312.123472][T18782] RSP: 002b:00007fdfcb135ed0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 [ 312.131897][T18782] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 0000000000419544 [ 312.139872][T18782] RDX: 0000000000000002 RSI: 00007fdfcb136000 RDI: 00000000ffffff9c 20:56:43 executing program 4 (fault-call:3 fault-nth:21): r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 312.144501][T18789] loop5: detected capacity change from 0 to 50 [ 312.147842][T18782] RBP: 00007fdfcb136000 R08: 0000000000000000 R09: ffffffffffffffff [ 312.147861][T18782] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002 [ 312.147875][T18782] R13: 0000000000000005 R14: 0000000020000260 R15: 0000000000000004 [ 312.181655][T18790] VFS: unable to find oldfs superblock on device loop2 [ 312.191177][T18789] FAT-fs (loop5): bogus number of reserved sectors [ 312.198052][T18789] FAT-fs (loop5): Can't find a valid FAT filesystem [ 312.202349][T18796] FAULT_INJECTION: forcing a failure. [ 312.202349][T18796] name failslab, interval 1, probability 0, space 0, times 0 [ 312.225523][T18788] FAT-fs (loop1): bogus number of reserved sectors [ 312.233689][T18796] CPU: 1 PID: 18796 Comm: syz-executor.4 Not tainted 5.12.0-rc5-syzkaller #0 [ 312.237761][T18788] FAT-fs (loop1): Can't find a valid FAT filesystem [ 312.242469][T18796] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 312.242484][T18796] Call Trace: [ 312.242493][T18796] dump_stack+0x137/0x19d [ 312.242520][T18796] should_fail+0x23c/0x250 [ 312.271612][T18796] __should_failslab+0x81/0x90 [ 312.276385][T18796] ? tomoyo_realpath_from_path+0x98/0x3b0 [ 312.282112][T18796] should_failslab+0x5/0x20 [ 312.286659][T18796] __kmalloc+0x66/0x380 [ 312.290857][T18796] ? __alloc_pages_nodemask+0x1a8/0x350 [ 312.296406][T18796] tomoyo_realpath_from_path+0x98/0x3b0 [ 312.302017][T18796] tomoyo_check_open_permission+0xaf/0x370 [ 312.307841][T18796] tomoyo_file_open+0xd3/0xf0 [ 312.312611][T18796] security_file_open+0x3f/0x90 [ 312.317499][T18796] do_dentry_open+0x22d/0x890 [ 312.322360][T18796] vfs_open+0x43/0x50 [ 312.326343][T18796] path_openat+0x1982/0x21b0 [ 312.330941][T18796] do_filp_open+0xbd/0x1d0 [ 312.335384][T18796] ? _raw_spin_unlock+0x22/0x40 [ 312.340269][T18796] ? alloc_fd+0x35d/0x3b0 [ 312.344754][T18796] do_sys_openat2+0xa3/0x250 [ 312.349426][T18796] __x64_sys_openat+0xef/0x110 [ 312.354267][T18796] do_syscall_64+0x39/0x80 [ 312.358733][T18796] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 312.364632][T18796] RIP: 0033:0x419544 [ 312.368520][T18796] Code: 84 00 00 00 00 00 44 89 54 24 0c e8 96 f9 ff ff 44 8b 54 24 0c 44 89 e2 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 89 44 24 0c e8 c8 f9 ff ff 8b 44 [ 312.388217][T18796] RSP: 002b:00007fdfcb135ed0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 [ 312.396631][T18796] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 0000000000419544 [ 312.404597][T18796] RDX: 0000000000000002 RSI: 00007fdfcb136000 RDI: 00000000ffffff9c [ 312.412578][T18796] RBP: 00007fdfcb136000 R08: 0000000000000000 R09: ffffffffffffffff [ 312.420543][T18796] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002 [ 312.428526][T18796] R13: 0000000000000005 R14: 0000000020000260 R15: 0000000000000004 20:56:43 executing program 3: r0 = openat(0xffffffffffffffff, 0x0, 0x0, 0x0) preadv(r0, &(0x7f00000003c0)=[{&(0x7f00000000c0)=""/244, 0xf4}, {&(0x7f0000000000)=""/29, 0x1d}, {&(0x7f0000000040)}, {&(0x7f00000001c0)=""/231, 0xe7}, {&(0x7f00000002c0)=""/217, 0xd9}], 0x5, 0x2, 0x6) r1 = syz_usb_connect(0x2, 0x24, &(0x7f0000000080)={{0x12, 0x1, 0x0, 0xf2, 0xf6, 0x96, 0x8, 0x5032, 0xfa0, 0xbebd, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x3, [{{0x9, 0x4, 0x58, 0x0, 0x0, 0x4c, 0x3d, 0x69}}]}}]}}, 0x0) syz_usb_control_io(r1, 0x0, &(0x7f0000000840)={0x44, &(0x7f0000000000)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) [ 312.444338][T18790] loop2: detected capacity change from 0 to 512 [ 312.450942][T18808] FAULT_INJECTION: forcing a failure. [ 312.450942][T18808] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 312.461708][T18788] FAT-fs (loop1): bogus number of reserved sectors [ 312.471883][T18790] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 312.482499][T18790] EXT4-fs (loop2): group descriptors corrupted! [ 312.489683][T18808] CPU: 1 PID: 18808 Comm: syz-executor.0 Not tainted 5.12.0-rc5-syzkaller #0 [ 312.490569][T18796] ERROR: Out of memory at tomoyo_realpath_from_path. [ 312.498491][T18808] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 312.498508][T18808] Call Trace: [ 312.498518][T18808] dump_stack+0x137/0x19d [ 312.498546][T18808] should_fail+0x23c/0x250 [ 312.498566][T18808] __alloc_pages_nodemask+0xea/0x350 [ 312.507503][T18788] FAT-fs (loop1): Can't find a valid FAT filesystem [ 312.515372][T18808] alloc_pages_vma+0x3e6/0x890 [ 312.519730][T18796] loop4: detected capacity change from 0 to 4096 [ 312.522996][T18808] shmem_alloc_and_acct_page+0x2ba/0x640 [ 312.555931][T18808] shmem_getpage_gfp+0x6c6/0x1980 [ 312.560992][T18808] shmem_write_begin+0x83/0x100 [ 312.565847][T18808] generic_perform_write+0x196/0x3a0 [ 312.571128][T18808] ? file_update_time+0x1bd/0x3e0 [ 312.576284][T18808] __generic_file_write_iter+0x15c/0x340 [ 312.581928][T18808] ? generic_write_checks+0x250/0x290 [ 312.587303][T18808] generic_file_write_iter+0x75/0x130 [ 312.592674][T18808] vfs_write+0x6f9/0x7e0 [ 312.596934][T18808] __x64_sys_pwrite64+0xf5/0x150 [ 312.601930][T18808] do_syscall_64+0x39/0x80 [ 312.606366][T18808] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 312.612296][T18808] RIP: 0033:0x4195f7 [ 312.616185][T18808] Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b [ 312.635793][T18808] RSP: 002b:00007f14ea25ff20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 [ 312.644230][T18808] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 00000000004195f7 [ 312.652202][T18808] RDX: 0000000000000020 RSI: 0000000020000300 RDI: 0000000000000004 [ 312.660180][T18808] RBP: 0000000000000004 R08: 0000000000000000 R09: ffffffffffffffff [ 312.668148][T18808] R10: 0000000000001000 R11: 0000000000000293 R12: 0000000000000004 [ 312.676118][T18808] R13: 0000000000000004 R14: 0000000020000230 R15: 0000000000000002 20:56:44 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x0, 0x3, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:56:44 executing program 4 (fault-call:3 fault-nth:22): r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 312.694773][T18789] loop5: detected capacity change from 0 to 50 [ 312.702032][T18789] FAT-fs (loop5): bogus number of reserved sectors [ 312.702052][T18808] loop0: detected capacity change from 0 to 4096 [ 312.718329][T18789] FAT-fs (loop5): Can't find a valid FAT filesystem [ 312.724991][T18796] EXT4-fs (loop4): revision level too high, forcing read-only mode [ 312.735654][T18796] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: writeback. [ 312.782445][T18828] loop2: detected capacity change from 0 to 512 [ 312.807165][T18808] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock 20:56:44 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x6500, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 312.837068][T18828] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 312.865390][T18808] EXT4-fs (loop0): group descriptors corrupted! [ 312.872653][T18837] loop1: detected capacity change from 0 to 185708 [ 312.881501][T18840] FAULT_INJECTION: forcing a failure. [ 312.881501][T18840] name failslab, interval 1, probability 0, space 0, times 0 [ 312.892670][T18828] EXT4-fs (loop2): group descriptors corrupted! [ 312.899226][T18840] CPU: 0 PID: 18840 Comm: syz-executor.4 Not tainted 5.12.0-rc5-syzkaller #0 [ 312.904700][T18837] FAT-fs (loop1): Unrecognized mount option "flÕ" or missing value [ 312.909096][T18840] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 312.909112][T18840] Call Trace: [ 312.909121][T18840] dump_stack+0x137/0x19d [ 312.934773][T18840] should_fail+0x23c/0x250 [ 312.939220][T18840] __should_failslab+0x81/0x90 [ 312.944004][T18840] ? tomoyo_encode2+0x1d3/0x350 [ 312.948924][T18840] should_failslab+0x5/0x20 [ 312.953460][T18840] __kmalloc+0x66/0x380 [ 312.957691][T18840] tomoyo_encode2+0x1d3/0x350 [ 312.962414][T18840] tomoyo_realpath_from_path+0x35e/0x3b0 [ 312.968151][T18840] tomoyo_check_open_permission+0xaf/0x370 [ 312.973967][T18840] tomoyo_file_open+0xd3/0xf0 [ 312.978642][T18840] security_file_open+0x3f/0x90 [ 312.983490][T18840] do_dentry_open+0x22d/0x890 [ 312.988183][T18840] vfs_open+0x43/0x50 [ 312.992166][T18840] path_openat+0x1982/0x21b0 [ 312.996778][T18840] do_filp_open+0xbd/0x1d0 [ 313.001193][T18840] ? _raw_spin_unlock+0x22/0x40 [ 313.006047][T18840] ? alloc_fd+0x35d/0x3b0 [ 313.010387][T18840] do_sys_openat2+0xa3/0x250 [ 313.015005][T18840] __x64_sys_openat+0xef/0x110 [ 313.019841][T18840] do_syscall_64+0x39/0x80 [ 313.024312][T18840] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 313.030210][T18840] RIP: 0033:0x419544 [ 313.034103][T18840] Code: 84 00 00 00 00 00 44 89 54 24 0c e8 96 f9 ff ff 44 8b 54 24 0c 44 89 e2 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 89 44 24 0c e8 c8 f9 ff ff 8b 44 [ 313.053730][T18840] RSP: 002b:00007fdfcb135ed0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 [ 313.062205][T18840] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 0000000000419544 [ 313.070180][T18840] RDX: 0000000000000002 RSI: 00007fdfcb136000 RDI: 00000000ffffff9c [ 313.078166][T18840] RBP: 00007fdfcb136000 R08: 0000000000000000 R09: ffffffffffffffff [ 313.086163][T18840] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002 [ 313.094128][T18840] R13: 0000000000000005 R14: 0000000020000260 R15: 0000000000000004 [ 313.107750][ T9516] usb 4-1: new full-speed USB device number 76 using dummy_hcd [ 313.117908][T18840] ERROR: Out of memory at tomoyo_realpath_from_path. [ 313.123998][T18843] loop5: detected capacity change from 0 to 50 [ 313.125054][T18840] loop4: detected capacity change from 0 to 4096 20:56:44 executing program 0 (fault-call:1 fault-nth:13): pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[]) [ 313.138036][T18843] FAT-fs (loop5): bogus number of reserved sectors [ 313.153778][T18843] FAT-fs (loop5): Can't find a valid FAT filesystem [ 313.175227][T18837] loop1: detected capacity change from 0 to 185708 [ 313.175457][T18840] EXT4-fs (loop4): revision level too high, forcing read-only mode [ 313.182569][T18837] FAT-fs (loop1): Unrecognized mount option "flÕ" or missing value [ 313.204365][T18840] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: writeback. [ 313.218940][T18856] FAULT_INJECTION: forcing a failure. [ 313.218940][T18856] name failslab, interval 1, probability 0, space 0, times 0 20:56:44 executing program 4 (fault-call:3 fault-nth:23): r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 313.231602][T18856] CPU: 0 PID: 18856 Comm: syz-executor.0 Not tainted 5.12.0-rc5-syzkaller #0 [ 313.240360][T18856] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 313.250523][T18856] Call Trace: [ 313.253926][T18856] dump_stack+0x137/0x19d [ 313.258266][T18856] should_fail+0x23c/0x250 [ 313.262688][T18856] ? xas_create+0x42b/0xbb0 [ 313.267266][T18856] __should_failslab+0x81/0x90 [ 313.272032][T18856] should_failslab+0x5/0x20 [ 313.276617][T18856] kmem_cache_alloc+0x46/0x320 [ 313.281406][T18856] ? __alloc_pages_nodemask+0x1a8/0x350 [ 313.286963][T18856] xas_create+0x42b/0xbb0 [ 313.291417][T18856] xas_create_range+0x146/0x360 [ 313.296628][T18856] shmem_add_to_page_cache+0x3ed/0x6e0 [ 313.302137][T18856] shmem_getpage_gfp+0x86a/0x1980 [ 313.307236][T18856] shmem_write_begin+0x83/0x100 [ 313.312111][T18856] generic_perform_write+0x196/0x3a0 [ 313.317424][T18856] ? file_update_time+0x1bd/0x3e0 [ 313.322459][T18856] __generic_file_write_iter+0x15c/0x340 [ 313.328104][T18856] ? generic_write_checks+0x250/0x290 [ 313.333496][T18856] generic_file_write_iter+0x75/0x130 [ 313.338862][T18856] vfs_write+0x6f9/0x7e0 [ 313.343152][T18856] __x64_sys_pwrite64+0xf5/0x150 [ 313.348172][T18856] do_syscall_64+0x39/0x80 [ 313.352592][T18856] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 313.358475][T18856] RIP: 0033:0x4195f7 [ 313.362374][T18856] Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b [ 313.382064][T18856] RSP: 002b:00007f14ea25ff20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 [ 313.390551][T18856] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 00000000004195f7 [ 313.398509][T18856] RDX: 0000000000000020 RSI: 0000000020000300 RDI: 0000000000000004 [ 313.406466][T18856] RBP: 0000000000000004 R08: 0000000000000000 R09: ffffffffffffffff [ 313.414445][T18856] R10: 0000000000001000 R11: 0000000000000293 R12: 0000000000000004 [ 313.422403][T18856] R13: 0000000000000004 R14: 0000000020000230 R15: 0000000000000002 20:56:44 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x0, 0x4, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 313.505580][T18843] loop5: detected capacity change from 0 to 50 [ 313.511969][T18856] loop0: detected capacity change from 0 to 4096 [ 313.516586][T18866] FAULT_INJECTION: forcing a failure. [ 313.516586][T18866] name failslab, interval 1, probability 0, space 0, times 0 [ 313.519469][T18843] FAT-fs (loop5): bogus number of reserved sectors [ 313.544187][T18869] loop1: detected capacity change from 0 to 185708 20:56:45 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x4005c, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) [ 313.548395][T18843] FAT-fs (loop5): Can't find a valid FAT filesystem [ 313.560937][T18869] FAT-fs (loop1): Unrecognized mount option "flÕ" or missing value [ 313.565262][T18856] EXT4-fs (loop0): revision level too high, forcing read-only mode [ 313.574369][T18866] CPU: 1 PID: 18866 Comm: syz-executor.4 Not tainted 5.12.0-rc5-syzkaller #0 [ 313.577748][T18856] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: writeback. [ 313.585650][T18866] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 313.585663][T18866] Call Trace: [ 313.585672][T18866] dump_stack+0x137/0x19d [ 313.614240][T18866] should_fail+0x23c/0x250 [ 313.618680][T18866] __should_failslab+0x81/0x90 [ 313.623440][T18866] ? tomoyo_realpath_from_path+0x98/0x3b0 [ 313.629163][T18866] should_failslab+0x5/0x20 [ 313.633735][T18866] __kmalloc+0x66/0x380 [ 313.637888][T18866] ? path_openat+0x191f/0x21b0 [ 313.642650][T18866] tomoyo_realpath_from_path+0x98/0x3b0 [ 313.648274][T18866] tomoyo_path_number_perm+0xc1/0x2d0 [ 313.653644][T18866] ? fsnotify+0x34a/0x1190 [ 313.658071][T18866] ? kmem_cache_free+0x59/0x100 [ 313.662957][T18866] ? __rcu_read_unlock+0x5c/0x250 [ 313.667983][T18866] tomoyo_file_ioctl+0x1c/0x20 [ 313.672754][T18866] security_file_ioctl+0x45/0x90 [ 313.677717][T18866] __se_sys_ioctl+0x48/0x140 [ 313.682324][T18866] __x64_sys_ioctl+0x3f/0x50 [ 313.686946][T18866] do_syscall_64+0x39/0x80 [ 313.691483][T18866] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 313.697428][T18866] RIP: 0033:0x466217 [ 313.701318][T18866] Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 a4 48 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 313.720925][T18866] RSP: 002b:00007fdfcb135f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 313.729336][T18866] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 0000000000466217 [ 313.737327][T18866] RDX: 0000000000000005 RSI: 0000000000004c00 RDI: 0000000000000006 [ 313.746248][T18866] RBP: 0000000000000006 R08: 0000000000000000 R09: ffffffffffffffff 20:56:45 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x6600, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 313.754303][T18866] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 313.762288][T18866] R13: 0000000000000005 R14: 0000000020000260 R15: 0000000000000004 [ 313.776435][T18866] ERROR: Out of memory at tomoyo_realpath_from_path. [ 313.788532][T18866] loop4: detected capacity change from 0 to 4096 20:56:45 executing program 0 (fault-call:1 fault-nth:14): pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[]) [ 313.880980][T18869] loop1: detected capacity change from 0 to 185708 [ 313.888445][T18869] FAT-fs (loop1): Unrecognized mount option "flÕ" or missing value [ 313.898705][ T9516] usb 4-1: config 0 has an invalid interface number: 88 but max is 0 [ 313.909103][T18866] EXT4-fs (loop4): revision level too high, forcing read-only mode [ 313.917299][T18878] VFS: unable to find oldfs superblock on device loop2 20:56:45 executing program 4 (fault-call:3 fault-nth:24): r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 313.922672][T18866] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: writeback. [ 313.927767][ T9516] usb 4-1: config 0 has no interface number 0 [ 313.952172][ T9516] usb 4-1: New USB device found, idVendor=5032, idProduct=0fa0, bcdDevice=be.bd [ 313.961960][ T9516] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 20:56:45 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x0, 0x5, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 313.985766][T18893] FAULT_INJECTION: forcing a failure. [ 313.985766][T18893] name failslab, interval 1, probability 0, space 0, times 0 [ 313.988192][ T9516] usb 4-1: config 0 descriptor?? [ 314.005686][T18886] loop2: detected capacity change from 0 to 512 [ 314.015859][T18886] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 314.026198][T18889] loop5: detected capacity change from 0 to 51 [ 314.043858][T18889] FAT-fs (loop5): bogus number of reserved sectors [ 314.054686][T18901] FAULT_INJECTION: forcing a failure. [ 314.054686][T18901] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 314.067785][T18901] CPU: 1 PID: 18901 Comm: syz-executor.0 Not tainted 5.12.0-rc5-syzkaller #0 [ 314.076557][T18901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 314.077966][T18886] EXT4-fs (loop2): group descriptors corrupted! [ 314.086614][T18901] Call Trace: [ 314.086625][T18901] dump_stack+0x137/0x19d [ 314.086701][T18901] should_fail+0x23c/0x250 [ 314.086722][T18901] should_fail_usercopy+0x16/0x20 [ 314.086809][T18901] iov_iter_copy_from_user_atomic+0x2d6/0x830 [ 314.116115][T18901] ? shmem_write_begin+0x83/0x100 [ 314.121150][T18901] generic_perform_write+0x1e4/0x3a0 [ 314.126438][T18901] ? file_update_time+0x1bd/0x3e0 [ 314.129989][T18889] FAT-fs (loop5): Can't find a valid FAT filesystem [ 314.131571][T18901] __generic_file_write_iter+0x15c/0x340 [ 314.131596][T18901] ? generic_write_checks+0x250/0x290 [ 314.149177][T18901] generic_file_write_iter+0x75/0x130 [ 314.154559][T18901] vfs_write+0x6f9/0x7e0 [ 314.158812][T18901] __x64_sys_pwrite64+0xf5/0x150 [ 314.163762][T18901] do_syscall_64+0x39/0x80 [ 314.168232][T18901] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 314.174139][T18901] RIP: 0033:0x4195f7 [ 314.178043][T18901] Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b [ 314.197665][T18901] RSP: 002b:00007f14ea25ff20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 [ 314.206083][T18901] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 00000000004195f7 [ 314.214053][T18901] RDX: 0000000000000020 RSI: 0000000020000300 RDI: 0000000000000004 [ 314.222043][T18901] RBP: 0000000000000004 R08: 0000000000000000 R09: ffffffffffffffff [ 314.230210][T18901] R10: 0000000000001000 R11: 0000000000000293 R12: 0000000000000004 [ 314.238218][T18901] R13: 0000000000000004 R14: 0000000020000230 R15: 0000000000000002 [ 314.246193][T18893] CPU: 0 PID: 18893 Comm: syz-executor.4 Not tainted 5.12.0-rc5-syzkaller #0 [ 314.254969][T18893] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 314.265021][T18893] Call Trace: [ 314.268340][T18893] dump_stack+0x137/0x19d [ 314.272657][T18893] should_fail+0x23c/0x250 [ 314.277105][T18893] __should_failslab+0x81/0x90 [ 314.281938][T18893] ? tomoyo_encode2+0x1d3/0x350 [ 314.286774][T18893] should_failslab+0x5/0x20 [ 314.291340][T18893] __kmalloc+0x66/0x380 [ 314.295490][T18893] tomoyo_encode2+0x1d3/0x350 [ 314.300215][T18893] tomoyo_realpath_from_path+0x35e/0x3b0 [ 314.306122][T18893] tomoyo_path_number_perm+0xc1/0x2d0 [ 314.311599][T18893] ? kmem_cache_free+0x59/0x100 [ 314.316445][T18893] ? __rcu_read_unlock+0x5c/0x250 [ 314.321520][T18893] tomoyo_file_ioctl+0x1c/0x20 [ 314.326294][T18893] security_file_ioctl+0x45/0x90 [ 314.331233][T18893] __se_sys_ioctl+0x48/0x140 [ 314.335821][T18893] __x64_sys_ioctl+0x3f/0x50 [ 314.340460][T18893] do_syscall_64+0x39/0x80 [ 314.344982][T18893] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 314.350969][T18893] RIP: 0033:0x466217 [ 314.354977][T18893] Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 a4 48 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 314.374583][T18893] RSP: 002b:00007fdfcb135f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 314.382984][T18893] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 0000000000466217 [ 314.390974][T18893] RDX: 0000000000000005 RSI: 0000000000004c00 RDI: 0000000000000006 [ 314.398942][T18893] RBP: 0000000000000006 R08: 0000000000000000 R09: ffffffffffffffff [ 314.406899][T18893] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 314.414853][T18893] R13: 0000000000000005 R14: 0000000020000260 R15: 0000000000000004 [ 314.436468][T18893] ERROR: Out of memory at tomoyo_realpath_from_path. [ 314.446991][T18901] loop0: detected capacity change from 0 to 4096 [ 314.460013][ T9516] dvb-usb: found a 'Grandtec USB1.1 DVB-T' in cold state, will try to load a firmware [ 314.475593][T18889] loop5: detected capacity change from 0 to 51 [ 314.483327][T18889] FAT-fs (loop5): bogus number of reserved sectors [ 314.494285][ T9516] usb 4-1: Direct firmware load for dvb-usb-dibusb-5.0.0.11.fw failed with error -2 [ 314.505963][T18889] FAT-fs (loop5): Can't find a valid FAT filesystem [ 314.507697][ T9516] usb 4-1: Falling back to sysfs fallback for: dvb-usb-dibusb-5.0.0.11.fw [ 314.516129][T18901] EXT4-fs (loop0): revision level too high, forcing read-only mode [ 314.529946][T18901] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: writeback. [ 314.532704][T18893] loop4: detected capacity change from 0 to 4096 [ 314.545707][T18914] loop2: detected capacity change from 0 to 512 [ 314.563591][T18914] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 314.573792][T18907] loop1: detected capacity change from 0 to 185708 [ 314.588875][T18893] EXT4-fs (loop4): revision level too high, forcing read-only mode [ 314.594283][T18907] FAT-fs (loop1): Unrecognized mount option "flÕ" or missing value [ 314.604990][T18893] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: writeback. [ 314.611174][T18914] EXT4-fs (loop2): group descriptors corrupted! [ 314.671459][T18907] loop1: detected capacity change from 0 to 185708 [ 314.687448][T18907] FAT-fs (loop1): Unrecognized mount option "flÕ" or missing value [ 314.922518][ T9516] dvb-usb: did not find the firmware file 'dvb-usb-dibusb-5.0.0.11.fw' (status -11). You can use /scripts/get_dvb_firmware to get the firmware [ 314.976404][ T9516] dvb_usb_dibusb_mb: probe of 4-1:0.88 failed with error -22 20:56:47 executing program 3: openat(0xffffffffffffffff, 0x0, 0x0, 0x0) r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000000)={{0x12, 0x1, 0x0, 0x8c, 0x9d, 0x76, 0x8, 0x4b4, 0xf900, 0x5530, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x90, 0x80, [{{0x9, 0x4, 0x4c, 0x0, 0x0, 0x83, 0x82, 0x7}}]}}]}}, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000840)={0xf, &(0x7f0000000000)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) 20:56:47 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x6800, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:56:47 executing program 0 (fault-call:1 fault-nth:15): pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[]) 20:56:47 executing program 4 (fault-call:3 fault-nth:25): r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:56:47 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40060, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) 20:56:47 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x0, 0x6, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 315.697776][ T3574] usb 4-1: USB disconnect, device number 76 [ 315.740269][T18957] loop5: detected capacity change from 0 to 52 [ 315.750944][T18957] FAT-fs (loop5): bogus number of reserved sectors [ 315.757769][T18957] FAT-fs (loop5): Can't find a valid FAT filesystem [ 315.777632][T18962] VFS: unable to find oldfs superblock on device loop2 [ 315.785346][T18964] FAULT_INJECTION: forcing a failure. [ 315.785346][T18964] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 315.789396][T18967] FAULT_INJECTION: forcing a failure. [ 315.789396][T18967] name failslab, interval 1, probability 0, space 0, times 0 [ 315.798864][T18964] CPU: 0 PID: 18964 Comm: syz-executor.0 Not tainted 5.12.0-rc5-syzkaller #0 [ 315.813988][T18966] loop1: detected capacity change from 0 to 185708 [ 315.819977][T18964] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 315.819990][T18964] Call Trace: [ 315.819999][T18964] dump_stack+0x137/0x19d [ 315.820027][T18964] should_fail+0x23c/0x250 [ 315.840228][T18966] FAT-fs (loop1): Unrecognized mount option "flÕ" or missing value [ 315.844216][T18964] __alloc_pages_nodemask+0xea/0x350 [ 315.861882][T18964] alloc_pages_vma+0x3e6/0x890 [ 315.866683][T18964] shmem_alloc_and_acct_page+0x2ba/0x640 [ 315.872323][T18964] shmem_getpage_gfp+0x6c6/0x1980 [ 315.877378][T18964] shmem_write_begin+0x83/0x100 [ 315.882280][T18964] generic_perform_write+0x196/0x3a0 [ 315.887586][T18964] ? file_update_time+0x1bd/0x3e0 [ 315.892746][T18964] __generic_file_write_iter+0x15c/0x340 [ 315.898411][T18964] ? generic_write_checks+0x250/0x290 [ 315.903878][T18964] generic_file_write_iter+0x75/0x130 [ 315.909285][T18964] vfs_write+0x6f9/0x7e0 [ 315.913536][T18964] __x64_sys_pwrite64+0xf5/0x150 [ 315.918567][T18964] do_syscall_64+0x39/0x80 [ 315.923010][T18964] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 315.928915][T18964] RIP: 0033:0x4195f7 [ 315.932883][T18964] Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b [ 315.952595][T18964] RSP: 002b:00007f14ea25ff20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 [ 315.961622][T18964] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 00000000004195f7 [ 315.969609][T18964] RDX: 000000000000001d RSI: 0000000020012600 RDI: 0000000000000004 [ 315.977578][T18964] RBP: 0000000000000004 R08: 0000000000000000 R09: ffffffffffffffff [ 315.985551][T18964] R10: 0000000000004400 R11: 0000000000000293 R12: 0000000000000004 [ 315.993544][T18964] R13: 0000000000000004 R14: 0000000020000248 R15: 0000000000000003 [ 316.001654][T18967] CPU: 1 PID: 18967 Comm: syz-executor.4 Not tainted 5.12.0-rc5-syzkaller #0 [ 316.010435][T18967] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 316.020538][T18967] Call Trace: [ 316.023815][T18967] dump_stack+0x137/0x19d [ 316.028162][T18967] should_fail+0x23c/0x250 [ 316.032573][T18967] ? loop_set_status_from_info+0x3a0/0x3a0 [ 316.038433][T18967] __should_failslab+0x81/0x90 [ 316.043194][T18967] ? __kthread_create_on_node+0x7a/0x270 [ 316.048827][T18967] should_failslab+0x5/0x20 [ 316.053339][T18967] kmem_cache_alloc_trace+0x49/0x340 [ 316.058682][T18967] ? find_inode_fast+0x223/0x250 [ 316.063653][T18967] ? loop_set_status_from_info+0x3a0/0x3a0 [ 316.069502][T18967] __kthread_create_on_node+0x7a/0x270 [ 316.075040][T18967] ? loop_set_status_from_info+0x3a0/0x3a0 [ 316.080844][T18967] kthread_create_on_node+0x72/0xa0 [ 316.086070][T18967] loop_configure+0x597/0xcb0 [ 316.090759][T18967] lo_ioctl+0x555/0x11f0 [ 316.094994][T18967] ? ___cache_free+0x3c/0x2f0 [ 316.099673][T18967] ? blkdev_common_ioctl+0xa36/0x10a0 [ 316.105050][T18967] ? lo_release+0x120/0x120 [ 316.109569][T18967] blkdev_ioctl+0x1d0/0x3c0 [ 316.114073][T18967] block_ioctl+0x6d/0x80 [ 316.118338][T18967] ? blkdev_iopoll+0x70/0x70 [ 316.122943][T18967] __se_sys_ioctl+0xcb/0x140 [ 316.127537][T18967] __x64_sys_ioctl+0x3f/0x50 [ 316.132169][T18967] do_syscall_64+0x39/0x80 [ 316.136623][T18967] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 316.142588][T18967] RIP: 0033:0x466217 [ 316.146477][T18967] Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 a4 48 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 316.166193][T18967] RSP: 002b:00007fdfcb135f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 316.174690][T18967] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 0000000000466217 [ 316.183011][T18967] RDX: 0000000000000005 RSI: 0000000000004c00 RDI: 0000000000000006 [ 316.190984][T18967] RBP: 0000000000000006 R08: 0000000000000000 R09: ffffffffffffffff [ 316.198975][T18967] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 316.206981][T18967] R13: 0000000000000005 R14: 0000000020000260 R15: 0000000000000004 20:56:47 executing program 4 (fault-call:3 fault-nth:26): r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 316.273044][T18966] loop1: detected capacity change from 0 to 185708 [ 316.280586][T18966] FAT-fs (loop1): Unrecognized mount option "flÕ" or missing value [ 316.292059][T18957] loop5: detected capacity change from 0 to 52 [ 316.308459][T18957] FAT-fs (loop5): bogus number of reserved sectors [ 316.317928][T18964] loop0: detected capacity change from 0 to 4096 [ 316.323405][T18957] FAT-fs (loop5): Can't find a valid FAT filesystem [ 316.334793][T18976] loop2: detected capacity change from 0 to 512 [ 316.337125][T18964] EXT4-fs error (device loop0): ext4_fill_super:4943: inode #2: comm syz-executor.0: iget: root inode unallocated 20:56:47 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x0, 0x7, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:56:47 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x6c00, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 316.368695][T18964] EXT4-fs (loop0): get root inode failed [ 316.376945][T18964] EXT4-fs (loop0): mount failed [ 316.427697][T18993] FAULT_INJECTION: forcing a failure. [ 316.427697][T18993] name failslab, interval 1, probability 0, space 0, times 0 [ 316.440577][T18993] CPU: 0 PID: 18993 Comm: syz-executor.4 Not tainted 5.12.0-rc5-syzkaller #0 [ 316.449379][T18993] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 316.459494][T18993] Call Trace: [ 316.462761][T18993] dump_stack+0x137/0x19d [ 316.467085][T18993] should_fail+0x23c/0x250 [ 316.471489][T18993] ? __kernfs_new_node+0x73/0x360 [ 316.476556][T18993] __should_failslab+0x81/0x90 [ 316.481304][T18993] should_failslab+0x5/0x20 [ 316.485800][T18993] kmem_cache_alloc+0x46/0x320 [ 316.490577][T18993] ? select_idle_sibling+0x3be/0x550 [ 316.495851][T18993] __kernfs_new_node+0x73/0x360 [ 316.500692][T18993] ? rb_insert_color+0x2fa/0x310 [ 316.505629][T18993] ? update_load_avg+0x1ad/0x2d0 [ 316.510553][T18993] ? rb_insert_color+0x2fa/0x310 [ 316.515492][T18993] kernfs_create_dir_ns+0x5e/0x140 [ 316.520630][T18993] internal_create_group+0x138/0x850 [ 316.525916][T18993] ? check_preempt_wakeup+0x23f/0x370 [ 316.531301][T18993] sysfs_create_group+0x1b/0x20 [ 316.536135][T18993] loop_configure+0xa21/0xcb0 [ 316.540850][T18993] lo_ioctl+0x555/0x11f0 [ 316.545246][T18993] ? ___cache_free+0x3c/0x2f0 [ 316.549911][T18993] ? blkdev_common_ioctl+0xa36/0x10a0 [ 316.555312][T18993] ? lo_release+0x120/0x120 [ 316.559799][T18993] blkdev_ioctl+0x1d0/0x3c0 [ 316.564364][T18993] block_ioctl+0x6d/0x80 [ 316.568618][T18993] ? blkdev_iopoll+0x70/0x70 [ 316.573248][T18993] __se_sys_ioctl+0xcb/0x140 [ 316.577839][T18993] __x64_sys_ioctl+0x3f/0x50 [ 316.582426][T18993] do_syscall_64+0x39/0x80 [ 316.586875][T18993] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 316.592848][T18993] RIP: 0033:0x466217 [ 316.596739][T18993] Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 a4 48 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 316.616352][T18993] RSP: 002b:00007fdfcb135f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 20:56:48 executing program 0 (fault-call:1 fault-nth:16): pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[]) [ 316.624769][T18993] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 0000000000466217 [ 316.632721][T18993] RDX: 0000000000000005 RSI: 0000000000004c00 RDI: 0000000000000006 [ 316.640674][T18993] RBP: 0000000000000006 R08: 0000000000000000 R09: ffffffffffffffff [ 316.648634][T18993] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 316.656597][T18993] R13: 0000000000000005 R14: 0000000020000260 R15: 0000000000000004 [ 316.665202][ T3574] usb 4-1: new high-speed USB device number 77 using dummy_hcd [ 316.681210][T18993] loop4: detected capacity change from 0 to 4096 [ 316.708221][T18995] loop1: detected capacity change from 0 to 185708 20:56:48 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40068, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) [ 316.726057][T18993] EXT4-fs (loop4): revision level too high, forcing read-only mode [ 316.746221][T18995] FAT-fs (loop1): Unrecognized mount option "flÕ" or missing value [ 316.771467][T18993] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: writeback. 20:56:48 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x0, 0x8, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 316.806224][T19008] loop5: detected capacity change from 0 to 54 [ 316.814698][T19010] FAULT_INJECTION: forcing a failure. [ 316.814698][T19010] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 316.831145][T19007] VFS: unable to find oldfs superblock on device loop2 [ 316.845617][T19008] FAT-fs (loop5): bogus number of reserved sectors [ 316.854539][T19008] FAT-fs (loop5): Can't find a valid FAT filesystem [ 316.861569][T19010] CPU: 0 PID: 19010 Comm: syz-executor.0 Not tainted 5.12.0-rc5-syzkaller #0 [ 316.870348][T19010] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 316.880414][T19010] Call Trace: [ 316.883704][T19010] dump_stack+0x137/0x19d [ 316.888036][T19010] should_fail+0x23c/0x250 [ 316.892455][T19010] __alloc_pages_nodemask+0xea/0x350 [ 316.897867][T19010] alloc_pages_vma+0x3e6/0x890 [ 316.902710][T19010] shmem_alloc_and_acct_page+0x2ba/0x640 [ 316.908471][T19010] shmem_getpage_gfp+0x6c6/0x1980 [ 316.913541][T19010] shmem_write_begin+0x83/0x100 [ 316.918394][T19010] generic_perform_write+0x196/0x3a0 [ 316.923728][T19010] ? file_update_time+0x1bd/0x3e0 [ 316.929275][T19010] __generic_file_write_iter+0x15c/0x340 [ 316.934982][T19010] ? generic_write_checks+0x250/0x290 [ 316.940358][T19010] generic_file_write_iter+0x75/0x130 [ 316.945727][T19010] vfs_write+0x6f9/0x7e0 [ 316.949993][T19010] __x64_sys_pwrite64+0xf5/0x150 [ 316.954930][T19010] do_syscall_64+0x39/0x80 [ 316.959380][T19010] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 316.965282][T19010] RIP: 0033:0x4195f7 [ 316.969156][T19010] Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b [ 316.988852][T19010] RSP: 002b:00007f14ea25ff20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 [ 316.997282][T19010] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 00000000004195f7 [ 317.005267][T19010] RDX: 000000000000001d RSI: 0000000020012600 RDI: 0000000000000004 [ 317.013320][T19010] RBP: 0000000000000004 R08: 0000000000000000 R09: ffffffffffffffff [ 317.021357][T19010] R10: 0000000000004400 R11: 0000000000000293 R12: 0000000000000004 [ 317.029315][T19010] R13: 0000000000000004 R14: 0000000020000248 R15: 0000000000000003 [ 317.066549][T19017] loop2: detected capacity change from 0 to 512 [ 317.073310][T19008] loop5: detected capacity change from 0 to 54 [ 317.073488][T19010] loop0: detected capacity change from 0 to 4096 [ 317.087323][ T3574] usb 4-1: Using ep0 maxpacket: 8 [ 317.098579][T19008] FAT-fs (loop5): bogus number of reserved sectors [ 317.105611][T19008] FAT-fs (loop5): Can't find a valid FAT filesystem [ 317.116810][T19017] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 317.140857][T19029] loop1: detected capacity change from 0 to 185708 [ 317.150165][T19017] EXT4-fs (loop2): group descriptors corrupted! [ 317.158200][T19010] EXT4-fs error (device loop0): ext4_fill_super:4943: inode #2: comm syz-executor.0: iget: root inode unallocated [ 317.159461][T19029] FAT-fs (loop1): Unrecognized mount option "flÕ" or missing value [ 317.172235][T19010] EXT4-fs (loop0): get root inode failed [ 317.185107][T19010] EXT4-fs (loop0): mount failed [ 317.206961][ T3574] usb 4-1: config 0 has an invalid interface number: 76 but max is 0 [ 317.226167][ T3574] usb 4-1: config 0 has no interface number 0 [ 317.239155][ T3574] usb 4-1: New USB device found, idVendor=04b4, idProduct=f900, bcdDevice=55.30 [ 317.249694][ T3574] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 317.273407][T19029] loop1: detected capacity change from 0 to 185708 [ 317.287551][ T3574] usb 4-1: config 0 descriptor?? [ 317.293193][T19029] FAT-fs (loop1): Unrecognized mount option "flÕ" or missing value [ 317.340055][ T3574] ftdi_sio 4-1:0.76: FTDI USB Serial Device converter detected [ 317.358029][ T3574] usb 4-1: Detected FT-X [ 317.556735][ T3574] ftdi_sio ttyUSB0: Unable to read latency timer: -5 [ 317.776727][ T3574] ftdi_sio ttyUSB0: Unable to write latency timer: -71 [ 317.796714][ T3574] ftdi_sio 4-1:0.76: GPIO initialisation failed: -71 [ 317.805161][ T3574] usb 4-1: FTDI USB Serial Device converter now attached to ttyUSB0 [ 317.825192][ T3574] usb 4-1: USB disconnect, device number 77 [ 317.839110][ T3574] ftdi_sio ttyUSB0: FTDI USB Serial Device converter now disconnected from ttyUSB0 [ 317.858387][ T3574] ftdi_sio 4-1:0.76: device disconnected 20:56:49 executing program 3: stat(&(0x7f0000000e40)='./file0\x00', &(0x7f0000000e80)) openat(0xffffffffffffffff, 0x0, 0x0, 0x0) r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000080)={{0x12, 0x1, 0x0, 0xf6, 0xbe, 0xd8, 0x8, 0xc72, 0xd, 0x9bc9, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x9b, 0x10, 0x39}}]}}]}}, 0x0) syz_usb_connect$cdc_ncm(0x5, 0x92, &(0x7f00000000c0)={{0x12, 0x1, 0x201, 0x2, 0x0, 0x0, 0xff, 0x525, 0xa4a1, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x80, 0x2, 0x1, 0xce, 0x30, 0x4, {{0x9, 0x4, 0x0, 0x0, 0x1, 0x2, 0xd, 0x0, 0x0, {{0x7, 0x24, 0x6, 0x0, 0x1, "6b93"}, {0x5, 0x24, 0x0, 0x100}, {0xd, 0x24, 0xf, 0x1, 0x6, 0x1, 0x6, 0x3}, {0x6, 0x24, 0x1a, 0x7, 0x34}, [@mbim_extended={0x8, 0x24, 0x1c, 0xfff, 0xf2, 0x9}, @mbim_extended={0x8, 0x24, 0x1c, 0x1f, 0x6, 0x7}, @country_functional={0x12, 0x24, 0x7, 0xdb, 0x9, [0x0, 0x0, 0x1, 0xc1f, 0x3f, 0x6712]}]}, {{0x9, 0x5, 0x81, 0x3, 0x3ff, 0x0, 0x8, 0x83}}}, {}, {0x9, 0x4, 0x1, 0x1, 0x2, 0x2, 0xd, 0x0, 0x0, "", {{{0x9, 0x5, 0x82, 0x2, 0x40, 0x1, 0x8, 0x80}}, {{0x9, 0x5, 0x3, 0x2, 0x3ff, 0x6, 0x4, 0x81}}}}}}}]}}, &(0x7f0000000580)={0xa, &(0x7f0000000000)={0xa, 0x6, 0x310, 0x20, 0x80, 0x5, 0xff, 0x8f}, 0x74, &(0x7f0000000180)={0x5, 0xf, 0x74, 0x5, [@generic={0x3f, 0x10, 0xb, "131b4de34a93afaddea8c50e63ee41bd74ee5902fffe4b60edd63bdef08536c6aa3bc0632284ed662bfab4c590493e3f36c063e2add322fe8ecc747b"}, @wireless={0xb, 0x10, 0x1, 0xc, 0x80, 0xff, 0x84, 0x5efc, 0xff}, @ssp_cap={0x10, 0x10, 0xa, 0x80, 0x1, 0x6, 0xff00, 0x3ff, [0x3f00]}, @wireless={0xb, 0x10, 0x1, 0x8, 0x4, 0x1, 0x7f, 0xed, 0x3}, @ss_cap={0xa, 0x10, 0x3, 0x2, 0x3, 0x1f, 0x5, 0xf1e4}]}, 0x5, [{0x4, &(0x7f0000000040)=@lang_id={0x4, 0x3, 0x400a}}, {0xdc, &(0x7f0000000300)=@string={0xdc, 0x3, "c7b43b656ed7a3b0c6f853693a68dadb2ee78dcf7d78028aefb63e81ac5e8dcdca3fda1a90297b1254cae3b4005567501e4dd6b4df2a017f7a8cea2c7160556e32265efcbe139696dba011c8f38175fea0bef6774711fbb39421003d9f8f87165324fe1ed2403b1383122b0ede8015196bf32ecf556c7a2447ef0b04b2dd2659ede0373de8d799226e3d3e0177fe0d4afadf0cca2a478c8bb6c3a7c6686b2e9b04aa2e8b75dbacb9e4bd0e590ce9db6b164cd038c9ae2e1454e33294fe13f67c522dc0c4ddc275643d12a23269f1c56e45e8df2518180774d7fb"}}, {0x2e, &(0x7f0000000600)=ANY=[@ANYBLOB="2e03bf5d3f8e023fabe55f530cb7babe0274c454b14c50c1b826a4176dcb11256b3ecd520c09128793af1192395e299b383c20eebc2aaa80da8824c4938f8f395ea5b107d2507fe89a577c09148a34f0e5561ffdf15d5b8b7d14d7e12a3e0335bb9c3a10f4a54985709fdd3bfbd39b2194166ebc47740e6a74896ae9434011b852eb43399466ff0b95618ced319be06fffbf9ec5825c"]}, {0xf7, &(0x7f0000000440)=@string={0xf7, 0x3, "6ce15d8dab2ad10584bef4b40586e727113ef4a44012c0abdfff245c538b3b750e94374d7e7c0b3d12f273992c5a13f0af8426669af4ab025d46e89885b373479836b2bc73bdf54f20a4300baf8fbb5cb2423bdae8b84add287d5f37d4be23f2c1c5ded5438c71b7791cdc71e1f8f19b137b994be632e65d6008181290903f019f09fe1efc71fdfacbbeb1a51f00a2561609ecc755bb9897a2a9c6548cf4a887072dafcc43f880959eaf778189ed0c200c9c348a572ce05b491fa5d1bd9565bd126e5829fce52275107e3199229c6b209471c26bc0dafb77525f0a76d0022a32fe87455c077eb410f9a44fa60b8f05fac13dd831ee"}}, {0xd8, &(0x7f0000000200)=@string={0xd8, 0x3, "6b4948bc7bc88b9b40ccdebd2e587449792989fd8304185457732214e6d39ef1201e245812b6051671553f7f3859841947f275b725da52733f787c15b5118cd63ea13c6cd099d5c42bba459ebe7199835b230101d150e7938b88c813755d53b25aaf9b34157ea932a8077043df154e9997c45240aab10d94cba044a5db9f8c896b0946c46f73b47621d1fd1bc33437a3ded2974a4242aa8b6bb1b02c70d8fef7673061e4eba5a679f5e14227cd025152f755cefbbe693b1f18ad2573b2d72e481a9affad46824fb03bfbc1cc2582cb7c9e8f554f6dc8"}}]}) r1 = openat$zero(0xffffffffffffff9c, &(0x7f0000000540)='/dev/zero\x00', 0x41, 0x0) ioctl$BTRFS_IOC_QGROUP_ASSIGN(r1, 0x40189429, &(0x7f0000000f00)={0x1, 0x4, 0x63c}) r2 = syz_mount_image$adfs(&(0x7f0000000400)='adfs\x00', &(0x7f00000006c0)='./file0\x00', 0x8, 0x9, &(0x7f0000000d00)=[{&(0x7f0000000700)="6e2db9a2e765e4140afcab054b820d7e0c03a8c9bd55019f0777143b6b89f6d150274a542457aee4ee529d49ac4000960790b34f80a8982fe666ffa03bedb34c66b23bf92573e1ff9e2edd2c13bb37b4", 0x50, 0x8}, {&(0x7f0000000780)="e7fb1b479276a1e01da3567afa84bae3eb03c2b6034919e89f5b143f7cafce454a464efa66b8c72dadbe9ee96457cbd3aa4781032191cfe4440504138a0b3deb0e1bd0ba61dbf6a80cfb376bbc6f81f6bce22aee3cd03d94e438734c15d9a1a39b474a1d5961474b651cf27a3c2813f05cb17b2838e552cb13972238b9c35296d0d79a8169e85eeb0afcb1b8f5f5fd37", 0x90, 0x11725f9e}, {&(0x7f0000000900)="a7d1e3b93de72d96a8dbba797a26e1", 0xf, 0xffff}, {&(0x7f0000000940)="8550e86aed232e96aa18dabb230707cbc189da8f0e7f36851f843b9f4df23a1af3ad8652bbdd2fb0306367b4e8eee68e5c9c67a8b2fe90d34f65f5a0a93a86fd70eb6890a84be4085c014eb2678a86a55b8df956b4b84ad649458887499d0808b77c1ccdcdc179ed7620cb425048a815310e2d45fe0b146c937015d16bb16adabfbdd279a2292511fdf4da27cefddd4609487d994d9955fea9633116cdf009dd0d9292ca85aba3c427278d6408664525ae29", 0xb2, 0x7}, {&(0x7f0000000a00)="b1695e79acadcedecc6e08911254d91e25bd039c1520440bb87243f77c1a6972b7a15da912daeb25b559cdb50a08ee0f138172120ebb643697450c68a731dfb4f15753591b22286a43fc4e90e9e2299c8c345dbf9fcc35f296093a55305cc3fda9246f1daff43967a1f9d94fac44b8e2f16202e8960223042325fc3b6d3e18fb64eddb9ae6600f8b635a983bbad72ab0d50b1c36a87d9b0bf12040e117789dab436632c6728631aaa70f07d5c0bbf2a0079b892650141c432305129f1ee9c3429a787a273f9b465edd4e2ddc069bc8bc1319ae015218697bfaab85c508dc600a2267bc266c2cba731d04b54d863223", 0xef, 0x9}, {&(0x7f0000000b00)="516f843473e729011ebeac", 0xb, 0x4}, {&(0x7f0000000b40)="f7424b988f7f508e9f80afa8bffaa83596939cb64fb03e3d75f090ade49723669c875688fd812ef47d", 0x29, 0x5}, {&(0x7f0000000b80)="00ab02dab14174aa7e94772ff439a9a007d4d9f0a01a7ef48d92faeea0663f82cb8a47b4addb5d66c5a025b9701bf56ed7e8d54eec52957cc1fcbb40f44a76a24f00e4e44c5dfdaed7ee99dd", 0x4c, 0x7b4f}, {&(0x7f0000000c00)="eade1e2bc2c87c08ea45dcd5bf1de354f5990b40ff285a02ecf35c0d630fae22b685fe8a39cd3e47bb85361e860b46db77dba6e97c606b07c9ca76c0f0cece1927a94f60680dcdf8e3c686012b6cdaeb2db1b3c2e887508855e38b53d0aa11386159d4ce46ad1287486d74b86e975d7c698e2d075f06d0c3cd8c5102346116773e8aef32b9f8205a0a563d4056adfb12c1a471ec601299ba65071035c5db61ad32189dbe8e8a2ba06ce436d5f0ddfb2a912594c27c76a3f128dfca31ad7d75699c38e29dde741ae7d20300084402b20a305eeb0ca69b6f440bf0d31c590886fa8223c83d3ad9", 0xe6, 0x7}], 0x10, &(0x7f0000000e00)={[{'^'}], [{@obj_type={'obj_type', 0x3d, '.!]].}\x06^G\\})'}}, {@euid_gt={'euid>', 0xee00}}]}) mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x2, 0x810, r2, 0x16c8000) syz_usb_control_io(r0, 0x0, &(0x7f0000000840)={0x44, &(0x7f0000000000)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) 20:56:49 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x7400, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:56:49 executing program 4 (fault-call:3 fault-nth:27): r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:56:49 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x4006c, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) 20:56:49 executing program 0 (fault-call:1 fault-nth:17): pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[]) 20:56:49 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x0, 0x9, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 318.328584][T19076] FAULT_INJECTION: forcing a failure. [ 318.328584][T19076] name failslab, interval 1, probability 0, space 0, times 0 [ 318.341824][T19076] CPU: 0 PID: 19076 Comm: syz-executor.0 Not tainted 5.12.0-rc5-syzkaller #0 [ 318.348418][T19075] loop5: detected capacity change from 0 to 58 [ 318.350592][T19076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 318.350608][T19076] Call Trace: [ 318.350616][T19076] dump_stack+0x137/0x19d [ 318.373445][T19075] FAT-fs (loop5): bogus number of reserved sectors [ 318.374465][T19076] should_fail+0x23c/0x250 [ 318.385362][T19076] ? getname_flags+0x84/0x3d0 [ 318.388550][T19075] FAT-fs (loop5): Can't find a valid FAT filesystem [ 318.390042][T19076] __should_failslab+0x81/0x90 [ 318.390067][T19076] should_failslab+0x5/0x20 [ 318.390089][T19076] kmem_cache_alloc+0x46/0x320 [ 318.390106][T19076] getname_flags+0x84/0x3d0 [ 318.401856][T19079] loop1: detected capacity change from 0 to 185708 [ 318.405966][T19076] getname+0x15/0x20 [ 318.416674][T19079] FAT-fs (loop1): Unrecognized mount option "flÕ" or missing value [ 318.422097][T19076] do_sys_openat2+0x5b/0x250 [ 318.422128][T19076] __x64_sys_openat+0xef/0x110 [ 318.422170][T19076] do_syscall_64+0x39/0x80 [ 318.422192][T19076] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 318.445198][T19081] FAULT_INJECTION: forcing a failure. [ 318.445198][T19081] name failslab, interval 1, probability 0, space 0, times 0 [ 318.447746][T19076] RIP: 0033:0x419544 [ 318.447766][T19076] Code: 84 00 00 00 00 00 44 89 54 24 0c e8 96 f9 ff ff 44 8b 54 24 0c 44 89 e2 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 89 44 24 0c e8 c8 f9 ff ff 8b 44 [ 318.489717][T19076] RSP: 002b:00007f14ea25fed0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 [ 318.498133][T19076] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 0000000000419544 [ 318.506125][T19076] RDX: 0000000000000002 RSI: 00007f14ea260000 RDI: 00000000ffffff9c [ 318.514133][T19076] RBP: 00007f14ea260000 R08: 0000000000000000 R09: ffffffffffffffff 20:56:50 executing program 0 (fault-call:1 fault-nth:18): pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[]) [ 318.522109][T19076] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002 [ 318.530154][T19076] R13: 0000000000000004 R14: 0000000020000260 R15: 0000000000000004 [ 318.538168][T19081] CPU: 1 PID: 19081 Comm: syz-executor.4 Not tainted 5.12.0-rc5-syzkaller #0 [ 318.546942][T19081] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 318.556997][T19081] Call Trace: [ 318.560279][T19081] dump_stack+0x137/0x19d [ 318.564693][T19081] should_fail+0x23c/0x250 [ 318.569110][T19081] ? __kernfs_new_node+0x73/0x360 [ 318.574196][T19081] __should_failslab+0x81/0x90 [ 318.579073][T19081] should_failslab+0x5/0x20 [ 318.583576][T19081] kmem_cache_alloc+0x46/0x320 [ 318.588339][T19081] __kernfs_new_node+0x73/0x360 [ 318.593197][T19081] ? bpf_lsm_kernfs_init_security+0x5/0x10 [ 318.598988][T19081] ? security_kernfs_init_security+0x7b/0x90 [ 318.604984][T19081] ? rb_insert_color+0x7e/0x310 [ 318.609844][T19081] kernfs_new_node+0x5b/0xd0 [ 318.614419][T19081] __kernfs_create_file+0x45/0x1a0 [ 318.619521][T19081] sysfs_add_file_mode_ns+0x1c1/0x250 [ 318.624889][T19081] internal_create_group+0x2e4/0x850 [ 318.630155][T19081] sysfs_create_group+0x1b/0x20 [ 318.635054][T19081] loop_configure+0xa21/0xcb0 [ 318.639719][T19081] lo_ioctl+0x555/0x11f0 [ 318.643946][T19081] ? ___cache_free+0x3c/0x2f0 [ 318.648724][T19081] ? blkdev_common_ioctl+0xa36/0x10a0 [ 318.654224][T19081] ? lo_release+0x120/0x120 [ 318.658727][T19081] blkdev_ioctl+0x1d0/0x3c0 [ 318.663412][T19081] block_ioctl+0x6d/0x80 [ 318.667639][T19081] ? blkdev_iopoll+0x70/0x70 [ 318.672226][T19081] __se_sys_ioctl+0xcb/0x140 [ 318.676798][T19081] __x64_sys_ioctl+0x3f/0x50 [ 318.681459][T19081] do_syscall_64+0x39/0x80 [ 318.685949][T19081] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 318.691861][T19081] RIP: 0033:0x466217 [ 318.696211][T19081] Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 a4 48 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 318.715916][T19081] RSP: 002b:00007fdfcb135f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 318.724315][T19081] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 0000000000466217 [ 318.732341][T19081] RDX: 0000000000000005 RSI: 0000000000004c00 RDI: 0000000000000006 [ 318.740301][T19081] RBP: 0000000000000006 R08: 0000000000000000 R09: ffffffffffffffff [ 318.748272][T19081] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 318.756231][T19081] R13: 0000000000000005 R14: 0000000020000260 R15: 0000000000000004 [ 318.768068][T19081] loop4: detected capacity change from 0 to 4096 [ 318.807567][T19077] VFS: unable to find oldfs superblock on device loop2 [ 318.829295][T19075] loop5: detected capacity change from 0 to 58 [ 318.835555][T19079] loop1: detected capacity change from 0 to 185708 [ 318.859466][T19079] FAT-fs (loop1): Unrecognized mount option "flÕ" or missing value [ 318.877364][T19108] FAULT_INJECTION: forcing a failure. [ 318.877364][T19108] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 318.884170][T19075] FAT-fs (loop5): bogus number of reserved sectors [ 318.890509][ T3574] usb 4-1: new high-speed USB device number 78 using dummy_hcd [ 318.900327][T19108] CPU: 1 PID: 19108 Comm: syz-executor.0 Not tainted 5.12.0-rc5-syzkaller #0 [ 318.913312][T19108] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 318.923384][T19108] Call Trace: [ 318.926661][T19108] dump_stack+0x137/0x19d [ 318.930966][T19075] FAT-fs (loop5): Can't find a valid FAT filesystem [ 318.930996][T19108] should_fail+0x23c/0x250 [ 318.942059][T19108] should_fail_usercopy+0x16/0x20 [ 318.944968][T19081] EXT4-fs (loop4): revision level too high, forcing read-only mode [ 318.947122][T19108] strncpy_from_user+0x21/0x250 [ 318.956332][T19081] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: writeback. [ 318.959869][T19108] getname_flags+0xb8/0x3d0 [ 318.959892][T19108] ? vfs_write+0x572/0x7e0 [ 318.959915][T19108] getname+0x15/0x20 [ 318.983569][T19108] do_sys_openat2+0x5b/0x250 [ 318.988237][T19108] __x64_sys_openat+0xef/0x110 [ 318.993024][T19108] do_syscall_64+0x39/0x80 [ 318.997547][T19108] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 319.003445][T19108] RIP: 0033:0x419544 [ 319.007350][T19108] Code: 84 00 00 00 00 00 44 89 54 24 0c e8 96 f9 ff ff 44 8b 54 24 0c 44 89 e2 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 89 44 24 0c e8 c8 f9 ff ff 8b 44 [ 319.026966][T19108] RSP: 002b:00007f14ea25fed0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 [ 319.035384][T19108] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 0000000000419544 [ 319.043373][T19108] RDX: 0000000000000002 RSI: 00007f14ea260000 RDI: 00000000ffffff9c [ 319.051360][T19108] RBP: 00007f14ea260000 R08: 0000000000000000 R09: ffffffffffffffff 20:56:50 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x0, 0xa, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:56:50 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40074, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) 20:56:50 executing program 0 (fault-call:1 fault-nth:19): pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[]) 20:56:50 executing program 4 (fault-call:3 fault-nth:28): r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 319.059339][T19108] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002 [ 319.067312][T19108] R13: 0000000000000004 R14: 0000000020000260 R15: 0000000000000004 20:56:50 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x7a00, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 319.185079][T19116] FAULT_INJECTION: forcing a failure. [ 319.185079][T19116] name failslab, interval 1, probability 0, space 0, times 0 [ 319.203688][T19118] loop1: detected capacity change from 0 to 185708 [ 319.221574][T19123] VFS: unable to find oldfs superblock on device loop2 [ 319.237382][T19116] CPU: 0 PID: 19116 Comm: syz-executor.0 Not tainted 5.12.0-rc5-syzkaller #0 [ 319.242019][T19118] FAT-fs (loop1): Unrecognized mount option "flÕ" or missing value [ 319.246206][T19116] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 319.246221][T19116] Call Trace: [ 319.246230][T19116] dump_stack+0x137/0x19d [ 319.271860][T19116] should_fail+0x23c/0x250 [ 319.276333][T19116] ? __alloc_file+0x2e/0x1a0 [ 319.281380][T19116] __should_failslab+0x81/0x90 [ 319.286154][T19116] should_failslab+0x5/0x20 [ 319.290688][T19116] kmem_cache_alloc+0x46/0x320 [ 319.295520][T19116] __alloc_file+0x2e/0x1a0 [ 319.299939][T19116] alloc_empty_file+0xcd/0x1c0 [ 319.304757][T19116] path_openat+0x65/0x21b0 [ 319.309209][T19116] ? iov_iter_advance+0x1eb/0xa40 [ 319.314310][T19116] ? balance_dirty_pages_ratelimited+0xce/0x8b0 [ 319.320567][T19116] ? generic_perform_write+0x332/0x3a0 [ 319.326031][T19116] do_filp_open+0xbd/0x1d0 [ 319.330506][T19116] ? expand_files+0x55/0x520 [ 319.335095][T19116] ? __virt_addr_valid+0x15a/0x1a0 [ 319.340214][T19116] ? __check_object_size+0x253/0x310 [ 319.345520][T19116] ? _raw_spin_unlock+0x22/0x40 [ 319.350386][T19116] ? alloc_fd+0x35d/0x3b0 [ 319.354804][T19116] do_sys_openat2+0xa3/0x250 [ 319.359415][T19116] __x64_sys_openat+0xef/0x110 [ 319.364260][T19116] do_syscall_64+0x39/0x80 [ 319.368674][T19116] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 319.374686][T19116] RIP: 0033:0x419544 [ 319.378572][T19116] Code: 84 00 00 00 00 00 44 89 54 24 0c e8 96 f9 ff ff 44 8b 54 24 0c 44 89 e2 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 89 44 24 0c e8 c8 f9 ff ff 8b 44 [ 319.398232][T19116] RSP: 002b:00007f14ea25fed0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 [ 319.406707][T19116] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 0000000000419544 [ 319.414712][T19116] RDX: 0000000000000002 RSI: 00007f14ea260000 RDI: 00000000ffffff9c [ 319.422697][T19116] RBP: 00007f14ea260000 R08: 0000000000000000 R09: ffffffffffffffff [ 319.430661][T19116] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002 [ 319.438732][T19116] R13: 0000000000000004 R14: 0000000020000260 R15: 0000000000000004 [ 319.454271][T19127] FAULT_INJECTION: forcing a failure. [ 319.454271][T19127] name failslab, interval 1, probability 0, space 0, times 0 [ 319.476680][ T3574] usb 4-1: Using ep0 maxpacket: 8 [ 319.488557][T19129] loop5: detected capacity change from 0 to 61 [ 319.493735][T19127] CPU: 0 PID: 19127 Comm: syz-executor.4 Not tainted 5.12.0-rc5-syzkaller #0 [ 319.503479][T19127] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 319.513588][T19127] Call Trace: [ 319.516865][T19127] dump_stack+0x137/0x19d [ 319.521203][T19127] should_fail+0x23c/0x250 [ 319.525667][T19127] ? __kernfs_new_node+0x73/0x360 [ 319.530711][T19127] __should_failslab+0x81/0x90 [ 319.535479][T19127] should_failslab+0x5/0x20 [ 319.540050][T19127] kmem_cache_alloc+0x46/0x320 [ 319.544812][T19127] __kernfs_new_node+0x73/0x360 [ 319.549668][T19127] ? kernfs_link_sibling+0x227/0x240 [ 319.555019][T19127] ? security_kernfs_init_security+0x7b/0x90 [ 319.561000][T19127] kernfs_new_node+0x5b/0xd0 [ 319.565641][T19127] __kernfs_create_file+0x45/0x1a0 [ 319.570836][T19127] sysfs_add_file_mode_ns+0x1c1/0x250 [ 319.576205][T19127] internal_create_group+0x2e4/0x850 [ 319.581514][T19127] sysfs_create_group+0x1b/0x20 [ 319.586385][T19127] loop_configure+0xa21/0xcb0 [ 319.591057][T19127] lo_ioctl+0x555/0x11f0 [ 319.595293][T19127] ? ___cache_free+0x3c/0x2f0 [ 319.599972][T19127] ? blkdev_common_ioctl+0xa36/0x10a0 [ 319.605391][T19127] ? lo_release+0x120/0x120 [ 319.609888][T19127] blkdev_ioctl+0x1d0/0x3c0 [ 319.614393][T19127] block_ioctl+0x6d/0x80 [ 319.618671][T19127] ? blkdev_iopoll+0x70/0x70 [ 319.623259][T19127] __se_sys_ioctl+0xcb/0x140 [ 319.627853][T19127] __x64_sys_ioctl+0x3f/0x50 [ 319.632444][T19127] do_syscall_64+0x39/0x80 [ 319.636883][T19127] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 319.642779][T19127] RIP: 0033:0x466217 [ 319.646688][T19127] Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 a4 48 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 319.666295][T19127] RSP: 002b:00007fdfcb135f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 319.674724][T19127] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 0000000000466217 [ 319.682690][T19127] RDX: 0000000000000005 RSI: 0000000000004c00 RDI: 0000000000000006 [ 319.690654][T19127] RBP: 0000000000000006 R08: 0000000000000000 R09: ffffffffffffffff [ 319.698632][T19127] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 319.706601][T19127] R13: 0000000000000005 R14: 0000000020000260 R15: 0000000000000004 [ 319.716442][T19127] loop4: detected capacity change from 0 to 4096 [ 319.758333][T19129] FAT-fs (loop5): bogus number of reserved sectors [ 319.765524][T19127] EXT4-fs (loop4): revision level too high, forcing read-only mode [ 319.773496][T19135] loop2: detected capacity change from 0 to 512 [ 319.780819][T19129] FAT-fs (loop5): Can't find a valid FAT filesystem [ 319.788832][T19135] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 319.806727][ T3574] usb 4-1: New USB device found, idVendor=0c72, idProduct=000d, bcdDevice=9b.c9 [ 319.807295][T19127] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: writeback. [ 319.819120][ T3574] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 319.835686][ T3574] usb 4-1: config 0 descriptor?? [ 319.842064][T19135] EXT4-fs (loop2): group descriptors corrupted! [ 319.899686][T19129] loop5: detected capacity change from 0 to 61 [ 319.908547][T19129] FAT-fs (loop5): bogus number of reserved sectors [ 319.924688][T19129] FAT-fs (loop5): Can't find a valid FAT filesystem [ 320.098192][T19083] udc-core: couldn't find an available UDC or it's busy [ 320.115217][T19083] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 320.141565][T19083] loop3: detected capacity change from 0 to 86623 [ 320.150689][T19083] ADFS-fs (loop3): unrecognised mount option "^" or missing value [ 320.396744][ T3574] peak_usb 4-1:0.0 can0: unable to request usb[type=0 value=0] err=-71 [ 320.405079][ T3574] peak_usb 4-1:0.0: unable to read PCAN-USB Pro bootloader info (err -71) [ 320.457874][ T3574] peak_usb: probe of 4-1:0.0 failed with error -71 [ 320.467739][ T3574] usb 4-1: USB disconnect, device number 78 [ 321.156702][ T9516] usb 4-1: new high-speed USB device number 79 using dummy_hcd [ 321.416702][ T9516] usb 4-1: Using ep0 maxpacket: 8 [ 321.566789][ T9516] usb 4-1: New USB device found, idVendor=0c72, idProduct=000d, bcdDevice=9b.c9 [ 321.575981][ T9516] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 321.584780][ T9516] usb 4-1: config 0 descriptor?? 20:56:53 executing program 3: openat(0xffffffffffffffff, 0x0, 0x0, 0x0) r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000080)={{0x12, 0x1, 0x0, 0xf6, 0xbe, 0xd8, 0x8, 0xc72, 0xd, 0x9bc9, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x9b, 0x10, 0x39}}]}}]}}, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000840)={0x44, &(0x7f0000000000)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io(r0, &(0x7f0000000180)={0x2c, &(0x7f0000000000)={0x20, 0x24, 0x17, {0x17, 0x2b, "3bfa9001d2f840645d804fd99ec5a5681b713e428d"}}, &(0x7f0000000040)={0x0, 0x3, 0x4, @lang_id={0x4, 0x3, 0x1407}}, &(0x7f00000000c0)={0x0, 0xf, 0x5, {0x5, 0xf, 0x5}}, &(0x7f0000000100)={0x20, 0x29, 0xf, {0xf, 0x29, 0x1, 0x18, 0x2, 0x8, "2ac9627a", "a54692d6"}}, &(0x7f0000000140)={0x20, 0x2a, 0xc, {0xc, 0x2a, 0x3, 0x0, 0x3, 0x1, 0x1, 0x29, 0x7e1}}}, &(0x7f0000000680)={0x84, &(0x7f00000001c0)={0x0, 0x9, 0xc2, "1dce4385ee10c9152ace0b9654a960ff59aa76e2bb88f1316385f38751a19482d00ebf8a8af0226fac41631ce5f554a26d8c6e6450eff4d1a513a0882f0b96d9a14abc1b5538d5432f2772bc35dedbec13d914872ca2a91eed33a5d0c0261f39b61b975899701303067d88c0474fc638da37958cf36f24fe4fa1ea41c61ae9d1dab8b96d133833a7dba50ec2bea7b9b560864b5c374197a95fa48015b21dac9edb36c308a21eec7b471cadd0a6c80c55665140a9e850fb70e5807ca331a4b7226fa8"}, &(0x7f00000002c0)={0x0, 0xa, 0x1, 0x1}, &(0x7f0000000300)={0x0, 0x8, 0x1, 0x4}, &(0x7f0000000340)={0x20, 0x0, 0x4, {0x1, 0x3}}, &(0x7f0000000380)={0x20, 0x0, 0x4, {0x1e0, 0x2}}, &(0x7f00000003c0)={0x40, 0x7, 0x2, 0x4}, &(0x7f0000000400)={0x40, 0x9, 0x1, 0x1}, &(0x7f0000000440)={0x40, 0xb, 0x2, "dbce"}, &(0x7f0000000480)={0x40, 0xf, 0x2, 0x2}, &(0x7f00000004c0)={0x40, 0x13, 0x6, @remote}, &(0x7f0000000500)={0x40, 0x17, 0x6, @random="1011b07cc600"}, &(0x7f0000000540)={0x40, 0x19, 0x2, "a82a"}, &(0x7f0000000580)={0x40, 0x1a, 0x2, 0x4}, &(0x7f00000005c0)={0x40, 0x1c, 0x1, 0x80}, &(0x7f0000000600)={0x40, 0x1e, 0x1, 0x7f}, &(0x7f0000000640)={0x40, 0x21, 0x1, 0x4}}) 20:56:53 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x0, 0xb, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:56:53 executing program 0 (fault-call:1 fault-nth:20): pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[]) 20:56:53 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x4007a, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) 20:56:53 executing program 4 (fault-call:3 fault-nth:29): r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:56:53 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x8503, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 321.705440][ T9516] peak_usb 4-1:0.0 can0: unable to request usb[type=0 value=1] err=-71 [ 321.729162][ T9516] peak_usb 4-1:0.0: unable to read PCAN-USB Pro firmware info (err -71) [ 321.737188][T19196] FAULT_INJECTION: forcing a failure. [ 321.737188][T19196] name failslab, interval 1, probability 0, space 0, times 0 [ 321.758921][T19197] loop1: detected capacity change from 0 to 185708 [ 321.788651][T19200] FAULT_INJECTION: forcing a failure. [ 321.788651][T19200] name failslab, interval 1, probability 0, space 0, times 0 [ 321.809364][T19201] VFS: unable to find oldfs superblock on device loop2 [ 321.810135][T19203] loop5: detected capacity change from 0 to 66 [ 321.817240][T19197] FAT-fs (loop1): Unrecognized mount option "flÕ" or missing value [ 321.832544][ T9516] peak_usb: probe of 4-1:0.0 failed with error -71 [ 321.842491][ T9516] usb 4-1: USB disconnect, device number 79 [ 321.850455][T19196] CPU: 0 PID: 19196 Comm: syz-executor.0 Not tainted 5.12.0-rc5-syzkaller #0 [ 321.859238][T19196] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 321.861832][T19203] FAT-fs (loop5): bogus number of reserved sectors [ 321.869297][T19196] Call Trace: [ 321.869310][T19196] dump_stack+0x137/0x19d [ 321.869338][T19196] should_fail+0x23c/0x250 [ 321.876993][T19203] FAT-fs (loop5): Can't find a valid FAT filesystem [ 321.879203][T19196] ? security_file_alloc+0x30/0x190 [ 321.899627][T19196] __should_failslab+0x81/0x90 [ 321.904468][T19196] should_failslab+0x5/0x20 [ 321.908979][T19196] kmem_cache_alloc+0x46/0x320 [ 321.913755][T19196] ? __alloc_file+0x2e/0x1a0 [ 321.918345][T19196] security_file_alloc+0x30/0x190 [ 321.923446][T19196] __alloc_file+0x83/0x1a0 [ 321.927861][T19196] alloc_empty_file+0xcd/0x1c0 [ 321.932694][T19196] path_openat+0x65/0x21b0 [ 321.937111][T19196] ? iov_iter_advance+0x1eb/0xa40 [ 321.942164][T19196] ? balance_dirty_pages_ratelimited+0xce/0x8b0 [ 321.948409][T19196] ? generic_perform_write+0x332/0x3a0 [ 321.953868][T19196] do_filp_open+0xbd/0x1d0 [ 321.958361][T19196] ? expand_files+0x55/0x520 [ 321.962960][T19196] ? __virt_addr_valid+0x15a/0x1a0 [ 321.968079][T19196] ? __check_object_size+0x253/0x310 [ 321.973378][T19196] ? _raw_spin_unlock+0x22/0x40 [ 321.978232][T19196] ? alloc_fd+0x35d/0x3b0 [ 321.982563][T19196] do_sys_openat2+0xa3/0x250 [ 321.987159][T19196] __x64_sys_openat+0xef/0x110 [ 321.991927][T19196] do_syscall_64+0x39/0x80 [ 321.996347][T19196] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 322.002264][T19196] RIP: 0033:0x419544 [ 322.006151][T19196] Code: 84 00 00 00 00 00 44 89 54 24 0c e8 96 f9 ff ff 44 8b 54 24 0c 44 89 e2 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 89 44 24 0c e8 c8 f9 ff ff 8b 44 [ 322.025759][T19196] RSP: 002b:00007f14ea25fed0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 [ 322.034187][T19196] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 0000000000419544 [ 322.042196][T19196] RDX: 0000000000000002 RSI: 00007f14ea260000 RDI: 00000000ffffff9c [ 322.050165][T19196] RBP: 00007f14ea260000 R08: 0000000000000000 R09: ffffffffffffffff [ 322.058136][T19196] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002 [ 322.066106][T19196] R13: 0000000000000004 R14: 0000000020000260 R15: 0000000000000004 [ 322.074102][T19200] CPU: 1 PID: 19200 Comm: syz-executor.4 Not tainted 5.12.0-rc5-syzkaller #0 [ 322.082880][T19200] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 322.092956][T19200] Call Trace: [ 322.096235][T19200] dump_stack+0x137/0x19d [ 322.100578][T19200] should_fail+0x23c/0x250 [ 322.104997][T19200] ? __kernfs_new_node+0x73/0x360 [ 322.110046][T19200] __should_failslab+0x81/0x90 [ 322.114815][T19200] should_failslab+0x5/0x20 [ 322.119357][T19200] kmem_cache_alloc+0x46/0x320 [ 322.124125][T19200] __kernfs_new_node+0x73/0x360 [ 322.129028][T19200] ? kernfs_link_sibling+0x227/0x240 [ 322.134324][T19200] kernfs_new_node+0x5b/0xd0 [ 322.138997][T19200] __kernfs_create_file+0x45/0x1a0 [ 322.144148][T19200] sysfs_add_file_mode_ns+0x1c1/0x250 [ 322.149567][T19200] internal_create_group+0x2e4/0x850 [ 322.154993][T19200] sysfs_create_group+0x1b/0x20 [ 322.159856][T19200] loop_configure+0xa21/0xcb0 [ 322.164661][T19200] lo_ioctl+0x555/0x11f0 [ 322.168914][T19200] ? ___cache_free+0x3c/0x2f0 [ 322.173630][T19200] ? blkdev_common_ioctl+0xa36/0x10a0 [ 322.179003][T19200] ? lo_release+0x120/0x120 [ 322.183527][T19200] blkdev_ioctl+0x1d0/0x3c0 [ 322.188036][T19200] block_ioctl+0x6d/0x80 [ 322.192452][T19200] ? blkdev_iopoll+0x70/0x70 [ 322.197043][T19200] __se_sys_ioctl+0xcb/0x140 [ 322.201653][T19200] __x64_sys_ioctl+0x3f/0x50 [ 322.206243][T19200] do_syscall_64+0x39/0x80 [ 322.210658][T19200] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 322.216558][T19200] RIP: 0033:0x466217 [ 322.220446][T19200] Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 a4 48 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 322.240199][T19200] RSP: 002b:00007fdfcb135f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 322.248683][T19200] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 0000000000466217 [ 322.256650][T19200] RDX: 0000000000000005 RSI: 0000000000004c00 RDI: 0000000000000006 [ 322.266188][T19200] RBP: 0000000000000006 R08: 0000000000000000 R09: ffffffffffffffff [ 322.274161][T19200] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 322.282143][T19200] R13: 0000000000000005 R14: 0000000020000260 R15: 0000000000000004 [ 322.297712][T19200] loop4: detected capacity change from 0 to 4096 20:56:53 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x0, 0xc, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 322.310805][T19200] EXT4-fs (loop4): revision level too high, forcing read-only mode [ 322.319410][T19200] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: writeback. [ 322.350681][T19203] loop5: detected capacity change from 0 to 66 20:56:53 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x400fe, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) [ 322.367748][T19203] FAT-fs (loop5): bogus number of reserved sectors [ 322.374311][T19203] FAT-fs (loop5): Can't find a valid FAT filesystem 20:56:53 executing program 0 (fault-call:1 fault-nth:21): pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[]) 20:56:53 executing program 4 (fault-call:3 fault-nth:30): r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:56:53 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x9726, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 322.409506][T19235] VFS: unable to find oldfs superblock on device loop2 [ 322.438681][T19240] loop1: detected capacity change from 0 to 185708 [ 322.477612][T19248] FAULT_INJECTION: forcing a failure. [ 322.477612][T19248] name failslab, interval 1, probability 0, space 0, times 0 [ 322.492564][T19240] FAT-fs (loop1): Unrecognized mount option "flÕ" or missing value [ 322.501696][T19248] CPU: 1 PID: 19248 Comm: syz-executor.0 Not tainted 5.12.0-rc5-syzkaller #0 [ 322.501777][T19248] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 322.501789][T19248] Call Trace: [ 322.501797][T19248] dump_stack+0x137/0x19d [ 322.501824][T19248] should_fail+0x23c/0x250 [ 322.501844][T19248] __should_failslab+0x81/0x90 [ 322.501863][T19248] ? tomoyo_realpath_from_path+0x98/0x3b0 [ 322.501888][T19248] should_failslab+0x5/0x20 [ 322.547955][T19248] __kmalloc+0x66/0x380 [ 322.552139][T19248] ? __alloc_pages_nodemask+0x1a8/0x350 [ 322.557685][T19248] tomoyo_realpath_from_path+0x98/0x3b0 [ 322.563237][T19248] tomoyo_check_open_permission+0xaf/0x370 [ 322.569131][T19248] tomoyo_file_open+0xd3/0xf0 [ 322.573906][T19248] security_file_open+0x3f/0x90 [ 322.578877][T19248] do_dentry_open+0x22d/0x890 [ 322.583569][T19248] vfs_open+0x43/0x50 [ 322.587555][T19248] path_openat+0x1982/0x21b0 [ 322.592152][T19248] do_filp_open+0xbd/0x1d0 [ 322.596572][T19248] ? _raw_spin_unlock+0x22/0x40 [ 322.601424][T19248] ? alloc_fd+0x35d/0x3b0 [ 322.605826][T19248] do_sys_openat2+0xa3/0x250 [ 322.610425][T19248] __x64_sys_openat+0xef/0x110 [ 322.615209][T19248] do_syscall_64+0x39/0x80 [ 322.619628][T19248] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 322.625529][T19248] RIP: 0033:0x419544 [ 322.629418][T19248] Code: 84 00 00 00 00 00 44 89 54 24 0c e8 96 f9 ff ff 44 8b 54 24 0c 44 89 e2 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 89 44 24 0c e8 c8 f9 ff ff 8b 44 [ 322.649067][T19248] RSP: 002b:00007f14ea25fed0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 [ 322.657576][T19248] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 0000000000419544 [ 322.665579][T19248] RDX: 0000000000000002 RSI: 00007f14ea260000 RDI: 00000000ffffff9c [ 322.673554][T19248] RBP: 00007f14ea260000 R08: 0000000000000000 R09: ffffffffffffffff [ 322.681527][T19248] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002 [ 322.689534][T19248] R13: 0000000000000004 R14: 0000000020000260 R15: 0000000000000004 [ 322.697842][T19235] loop2: detected capacity change from 0 to 512 [ 322.711555][T19248] ERROR: Out of memory at tomoyo_realpath_from_path. [ 322.749298][T19235] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 322.760819][T19261] FAULT_INJECTION: forcing a failure. [ 322.760819][T19261] name failslab, interval 1, probability 0, space 0, times 0 [ 322.774765][T19263] loop5: detected capacity change from 0 to 75 [ 322.781324][ T9516] usb 4-1: new high-speed USB device number 80 using dummy_hcd [ 322.790396][T19248] loop0: detected capacity change from 0 to 4096 [ 322.797198][T19235] EXT4-fs (loop2): group descriptors corrupted! [ 322.797217][T19240] loop1: detected capacity change from 0 to 185708 [ 322.797901][T19240] FAT-fs (loop1): Unrecognized mount option "flÕ" or missing value [ 322.810088][T19261] CPU: 0 PID: 19261 Comm: syz-executor.4 Not tainted 5.12.0-rc5-syzkaller #0 [ 322.826843][T19261] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 322.837590][T19261] Call Trace: [ 322.840864][T19261] dump_stack+0x137/0x19d [ 322.845199][T19261] should_fail+0x23c/0x250 [ 322.849611][T19261] ? __kernfs_new_node+0x73/0x360 [ 322.854643][T19261] __should_failslab+0x81/0x90 [ 322.859406][T19261] should_failslab+0x5/0x20 [ 322.863990][T19261] kmem_cache_alloc+0x46/0x320 [ 322.868750][T19261] __kernfs_new_node+0x73/0x360 [ 322.873612][T19261] ? kernfs_link_sibling+0x227/0x240 [ 322.878919][T19261] kernfs_new_node+0x5b/0xd0 [ 322.883607][T19261] __kernfs_create_file+0x45/0x1a0 [ 322.888720][T19261] sysfs_add_file_mode_ns+0x1c1/0x250 [ 322.894118][T19261] internal_create_group+0x2e4/0x850 [ 322.899408][T19261] sysfs_create_group+0x1b/0x20 [ 322.904280][T19261] loop_configure+0xa21/0xcb0 [ 322.909027][T19261] lo_ioctl+0x555/0x11f0 [ 322.913339][T19261] ? ___cache_free+0x3c/0x2f0 [ 322.918030][T19261] ? blkdev_common_ioctl+0xa36/0x10a0 [ 322.923407][T19261] ? lo_release+0x120/0x120 [ 322.927927][T19261] blkdev_ioctl+0x1d0/0x3c0 [ 322.932457][T19261] block_ioctl+0x6d/0x80 [ 322.936725][T19261] ? blkdev_iopoll+0x70/0x70 [ 322.941333][T19261] __se_sys_ioctl+0xcb/0x140 [ 322.945935][T19261] __x64_sys_ioctl+0x3f/0x50 [ 322.950532][T19261] do_syscall_64+0x39/0x80 [ 322.955026][T19261] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 322.960972][T19261] RIP: 0033:0x466217 [ 322.964911][T19261] Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 a4 48 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 322.984521][T19261] RSP: 002b:00007fdfcb135f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 322.993105][T19261] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 0000000000466217 [ 323.001074][T19261] RDX: 0000000000000005 RSI: 0000000000004c00 RDI: 0000000000000006 [ 323.009039][T19261] RBP: 0000000000000006 R08: 0000000000000000 R09: ffffffffffffffff [ 323.017016][T19261] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 323.025000][T19261] R13: 0000000000000005 R14: 0000000020000260 R15: 0000000000000004 [ 323.041392][T19263] FAT-fs (loop5): bogus number of reserved sectors [ 323.048569][T19263] FAT-fs (loop5): Can't find a valid FAT filesystem [ 323.063207][T19248] EXT4-fs (loop0): revision level too high, forcing read-only mode [ 323.071606][T19248] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: writeback. [ 323.123578][T19263] loop5: detected capacity change from 0 to 75 [ 323.162923][T19261] loop4: detected capacity change from 0 to 4096 20:56:54 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0xa603, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 323.183322][T19235] VFS: unable to find oldfs superblock on device loop2 [ 323.190621][T19263] FAT-fs (loop5): bogus number of reserved sectors [ 323.197211][T19263] FAT-fs (loop5): Can't find a valid FAT filesystem [ 323.257585][ T9516] usb 4-1: Using ep0 maxpacket: 8 [ 323.295651][T19261] EXT4-fs (loop4): revision level too high, forcing read-only mode [ 323.326384][T19261] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: writeback. [ 323.418562][ T9516] usb 4-1: New USB device found, idVendor=0c72, idProduct=000d, bcdDevice=9b.c9 [ 323.443234][ T9516] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 323.458242][ T9516] usb 4-1: config 0 descriptor?? [ 324.156715][ T9516] peak_usb 4-1:0.0 can0: unable to request usb[type=2 value=5] err=-71 [ 324.216756][ T9516] peak_usb: probe of 4-1:0.0 failed with error -71 [ 324.229613][ T9516] usb 4-1: USB disconnect, device number 80 20:56:56 executing program 3: openat(0xffffffffffffffff, 0x0, 0x0, 0x0) r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000080)={{0x12, 0x1, 0x0, 0xf6, 0xbe, 0xd8, 0x8, 0xc72, 0xd, 0x9bc9, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x9b, 0x10, 0x39}}]}}]}}, 0x0) r1 = syz_mount_image$msdos(&(0x7f0000000000)='msdos\x00', &(0x7f0000000040)='./file0\x00', 0x100000001, 0x0, &(0x7f00000001c0), 0x2060418, &(0x7f0000000200)={[{@nodots='nodots'}, {@fat=@nfs='nfs'}, {@dots='dots'}, {@nodots='nodots'}, {@fat=@errors_remount='errors=remount-ro'}], [{@dont_measure='dont_measure'}, {@measure='measure'}, {@fsmagic={'fsmagic', 0x3d, 0x7}}]}) mknod$loop(&(0x7f0000000280)='./file0\x00', 0x2, 0x1) mmap(&(0x7f0000ffb000/0x4000)=nil, 0x4000, 0x2000008, 0x4010, r1, 0xb1af2000) syz_usb_control_io(r0, 0x0, &(0x7f0000000840)={0x44, &(0x7f0000000000)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) 20:56:56 executing program 0 (fault-call:1 fault-nth:22): pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[]) 20:56:56 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x0, 0xd, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:56:56 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0xa703, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:56:56 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40204, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) 20:56:56 executing program 4 (fault-call:3 fault-nth:31): r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 324.701181][T19328] loop1: detected capacity change from 0 to 185708 [ 324.708471][T19329] FAULT_INJECTION: forcing a failure. [ 324.708471][T19329] name failslab, interval 1, probability 0, space 0, times 0 [ 324.715475][T19326] loop5: detected capacity change from 0 to 83 [ 324.733887][T19328] FAT-fs (loop1): Unrecognized mount option "flÕ" or missing value [ 324.736055][T19335] FAULT_INJECTION: forcing a failure. [ 324.736055][T19335] name failslab, interval 1, probability 0, space 0, times 0 [ 324.739479][T19329] CPU: 1 PID: 19329 Comm: syz-executor.4 Not tainted 5.12.0-rc5-syzkaller #0 [ 324.745237][T19332] VFS: unable to find oldfs superblock on device loop2 [ 324.756656][T19329] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 324.756671][T19329] Call Trace: [ 324.756679][T19329] dump_stack+0x137/0x19d [ 324.772256][T19329] should_fail+0x23c/0x250 [ 324.772359][T19329] ? __kernfs_new_node+0x73/0x360 [ 324.772386][T19329] __should_failslab+0x81/0x90 [ 324.772407][T19329] should_failslab+0x5/0x20 [ 324.788823][T19326] FAT-fs (loop5): bogus number of reserved sectors [ 324.790025][T19329] kmem_cache_alloc+0x46/0x320 [ 324.796613][T19326] FAT-fs (loop5): Can't find a valid FAT filesystem [ 324.799615][T19329] __kernfs_new_node+0x73/0x360 [ 324.831526][T19329] ? kernfs_link_sibling+0x227/0x240 [ 324.837035][T19329] kernfs_new_node+0x5b/0xd0 [ 324.841630][T19329] __kernfs_create_file+0x45/0x1a0 [ 324.846868][T19329] sysfs_add_file_mode_ns+0x1c1/0x250 [ 324.852242][T19329] internal_create_group+0x2e4/0x850 [ 324.857529][T19329] sysfs_create_group+0x1b/0x20 [ 324.862449][T19329] loop_configure+0xa21/0xcb0 [ 324.867131][T19329] lo_ioctl+0x555/0x11f0 [ 324.871380][T19329] ? ___cache_free+0x3c/0x2f0 [ 324.876085][T19329] ? blkdev_common_ioctl+0xa36/0x10a0 [ 324.881464][T19329] ? lo_release+0x120/0x120 [ 324.885965][T19329] blkdev_ioctl+0x1d0/0x3c0 [ 324.890528][T19329] block_ioctl+0x6d/0x80 [ 324.894776][T19329] ? blkdev_iopoll+0x70/0x70 [ 324.899370][T19329] __se_sys_ioctl+0xcb/0x140 [ 324.903962][T19329] __x64_sys_ioctl+0x3f/0x50 [ 324.908555][T19329] do_syscall_64+0x39/0x80 [ 324.912989][T19329] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 324.918895][T19329] RIP: 0033:0x466217 [ 324.922783][T19329] Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 a4 48 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 324.942414][T19329] RSP: 002b:00007fdfcb135f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 324.950853][T19329] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 0000000000466217 [ 324.958877][T19329] RDX: 0000000000000005 RSI: 0000000000004c00 RDI: 0000000000000006 [ 324.966866][T19329] RBP: 0000000000000006 R08: 0000000000000000 R09: ffffffffffffffff [ 324.974841][T19329] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 324.982875][T19329] R13: 0000000000000005 R14: 0000000020000260 R15: 0000000000000004 [ 324.990873][T19335] CPU: 0 PID: 19335 Comm: syz-executor.0 Not tainted 5.12.0-rc5-syzkaller #0 [ 324.999654][T19335] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 325.009713][T19335] Call Trace: [ 325.012994][T19335] dump_stack+0x137/0x19d [ 325.017357][T19335] should_fail+0x23c/0x250 [ 325.021783][T19335] __should_failslab+0x81/0x90 [ 325.021896][T19329] loop4: detected capacity change from 0 to 4096 [ 325.026577][T19335] ? tomoyo_encode2+0x1d3/0x350 [ 325.026605][T19335] should_failslab+0x5/0x20 [ 325.042293][T19335] __kmalloc+0x66/0x380 [ 325.046508][T19335] tomoyo_encode2+0x1d3/0x350 [ 325.051195][T19335] tomoyo_realpath_from_path+0x35e/0x3b0 [ 325.056867][T19335] tomoyo_check_open_permission+0xaf/0x370 [ 325.062772][T19335] tomoyo_file_open+0xd3/0xf0 [ 325.067506][T19335] security_file_open+0x3f/0x90 [ 325.072399][T19335] do_dentry_open+0x22d/0x890 [ 325.077082][T19335] vfs_open+0x43/0x50 [ 325.081110][T19335] path_openat+0x1982/0x21b0 [ 325.085685][T19335] do_filp_open+0xbd/0x1d0 [ 325.090081][T19335] ? _raw_spin_unlock+0x22/0x40 [ 325.094951][T19335] ? alloc_fd+0x35d/0x3b0 [ 325.099296][T19335] do_sys_openat2+0xa3/0x250 [ 325.103922][T19335] __x64_sys_openat+0xef/0x110 [ 325.108674][T19335] do_syscall_64+0x39/0x80 [ 325.113145][T19335] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 325.119030][T19335] RIP: 0033:0x419544 [ 325.122907][T19335] Code: 84 00 00 00 00 00 44 89 54 24 0c e8 96 f9 ff ff 44 8b 54 24 0c 44 89 e2 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 89 44 24 0c e8 c8 f9 ff ff 8b 44 [ 325.142686][T19335] RSP: 002b:00007f14ea25fed0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 [ 325.146686][ T9516] usb 4-1: new high-speed USB device number 81 using dummy_hcd [ 325.151171][T19335] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 0000000000419544 [ 325.151187][T19335] RDX: 0000000000000002 RSI: 00007f14ea260000 RDI: 00000000ffffff9c [ 325.151200][T19335] RBP: 00007f14ea260000 R08: 0000000000000000 R09: ffffffffffffffff [ 325.182672][T19335] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002 [ 325.190663][T19335] R13: 0000000000000004 R14: 0000000020000260 R15: 0000000000000004 [ 325.200280][T19335] ERROR: Out of memory at tomoyo_realpath_from_path. [ 325.245092][T19340] loop2: detected capacity change from 0 to 513 [ 325.283869][T19328] loop1: detected capacity change from 0 to 185708 20:56:56 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x0, 0xe, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 325.285585][T19326] loop5: detected capacity change from 0 to 83 [ 325.298348][T19328] FAT-fs (loop1): Unrecognized mount option "flÕ" or missing value [ 325.306442][T19335] loop0: detected capacity change from 0 to 4096 [ 325.314244][T19329] EXT4-fs (loop4): revision level too high, forcing read-only mode [ 325.324275][T19326] FAT-fs (loop5): bogus number of reserved sectors 20:56:56 executing program 4 (fault-call:3 fault-nth:32): r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 325.350139][T19329] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: writeback. [ 325.362442][T19326] FAT-fs (loop5): Can't find a valid FAT filesystem [ 325.382807][T19335] EXT4-fs (loop0): revision level too high, forcing read-only mode [ 325.393081][T19340] loop2: detected capacity change from 0 to 513 [ 325.396669][ T9516] usb 4-1: Using ep0 maxpacket: 8 [ 325.404220][T19340] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 325.421964][T19335] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: writeback. [ 325.437032][T19340] EXT4-fs (loop2): group descriptors corrupted! 20:56:56 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0xa803, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:56:57 executing program 0 (fault-call:1 fault-nth:23): pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[]) [ 325.459875][T19372] loop1: detected capacity change from 0 to 185708 [ 325.491889][T19372] FAT-fs (loop1): Unrecognized mount option "flÕ" or missing value 20:56:57 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40300, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) [ 325.516481][T19379] FAULT_INJECTION: forcing a failure. [ 325.516481][T19379] name failslab, interval 1, probability 0, space 0, times 0 [ 325.529341][ T9516] usb 4-1: New USB device found, idVendor=0c72, idProduct=000d, bcdDevice=9b.c9 [ 325.538945][ T9516] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 325.547584][ T9516] usb 4-1: config 0 descriptor?? [ 325.553204][T19380] loop5: detected capacity change from 0 to 84 [ 325.575062][T19372] loop1: detected capacity change from 0 to 185708 [ 325.583699][T19379] CPU: 0 PID: 19379 Comm: syz-executor.4 Not tainted 5.12.0-rc5-syzkaller #0 [ 325.592541][T19379] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 325.598934][T19391] FAULT_INJECTION: forcing a failure. [ 325.598934][T19391] name failslab, interval 1, probability 0, space 0, times 0 [ 325.602615][T19379] Call Trace: [ 325.602626][T19379] dump_stack+0x137/0x19d [ 325.622880][T19379] should_fail+0x23c/0x250 [ 325.625594][T19380] FAT-fs (loop5): bogus number of reserved sectors [ 325.627331][T19379] ? __kernfs_new_node+0x73/0x360 [ 325.627367][T19379] __should_failslab+0x81/0x90 [ 325.643628][T19379] should_failslab+0x5/0x20 [ 325.644119][T19372] FAT-fs (loop1): Unrecognized mount option "flÕ" or missing value [ 325.648142][T19379] kmem_cache_alloc+0x46/0x320 [ 325.648166][T19379] __kernfs_new_node+0x73/0x360 [ 325.665821][T19379] ? kernfs_link_sibling+0x227/0x240 [ 325.671124][T19379] kernfs_new_node+0x5b/0xd0 [ 325.675743][T19379] __kernfs_create_file+0x45/0x1a0 [ 325.677198][T19380] FAT-fs (loop5): Can't find a valid FAT filesystem [ 325.680867][T19379] sysfs_add_file_mode_ns+0x1c1/0x250 [ 325.680892][T19379] internal_create_group+0x2e4/0x850 [ 325.698119][T19379] sysfs_create_group+0x1b/0x20 [ 325.702978][T19379] loop_configure+0xa21/0xcb0 [ 325.707660][T19379] lo_ioctl+0x555/0x11f0 [ 325.711903][T19379] ? ___cache_free+0x3c/0x2f0 [ 325.716601][T19379] ? blkdev_common_ioctl+0xa36/0x10a0 [ 325.721991][T19379] ? lo_release+0x120/0x120 [ 325.726540][T19379] blkdev_ioctl+0x1d0/0x3c0 [ 325.731049][T19379] block_ioctl+0x6d/0x80 [ 325.735306][T19379] ? blkdev_iopoll+0x70/0x70 [ 325.739934][T19379] __se_sys_ioctl+0xcb/0x140 [ 325.744541][T19379] __x64_sys_ioctl+0x3f/0x50 [ 325.749156][T19379] do_syscall_64+0x39/0x80 [ 325.753619][T19379] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 325.759549][T19379] RIP: 0033:0x466217 [ 325.763493][T19379] Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 a4 48 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 325.783168][T19379] RSP: 002b:00007fdfcb135f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 325.791768][T19379] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 0000000000466217 [ 325.799907][T19379] RDX: 0000000000000005 RSI: 0000000000004c00 RDI: 0000000000000006 [ 325.807885][T19379] RBP: 0000000000000006 R08: 0000000000000000 R09: ffffffffffffffff [ 325.815867][T19379] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 20:56:57 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x0, 0x10, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 325.823832][T19379] R13: 0000000000000005 R14: 0000000020000260 R15: 0000000000000004 [ 325.840981][T19391] CPU: 0 PID: 19391 Comm: syz-executor.0 Not tainted 5.12.0-rc5-syzkaller #0 [ 325.841241][T19379] loop4: detected capacity change from 0 to 4096 [ 325.849804][T19391] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 325.849862][T19391] Call Trace: [ 325.849871][T19391] dump_stack+0x137/0x19d [ 325.873860][T19391] should_fail+0x23c/0x250 [ 325.878283][T19391] __should_failslab+0x81/0x90 [ 325.883043][T19391] ? tomoyo_realpath_from_path+0x98/0x3b0 [ 325.888764][T19391] should_failslab+0x5/0x20 [ 325.893283][T19391] __kmalloc+0x66/0x380 [ 325.897437][T19391] ? path_openat+0x191f/0x21b0 [ 325.902198][T19391] tomoyo_realpath_from_path+0x98/0x3b0 [ 325.907747][T19391] tomoyo_path_number_perm+0xc1/0x2d0 [ 325.913198][T19391] ? fsnotify+0x34a/0x1190 [ 325.917696][T19391] ? kmem_cache_free+0x59/0x100 [ 325.922557][T19391] ? __rcu_read_unlock+0x5c/0x250 [ 325.927607][T19391] tomoyo_file_ioctl+0x1c/0x20 [ 325.932443][T19391] security_file_ioctl+0x45/0x90 [ 325.937384][T19391] __se_sys_ioctl+0x48/0x140 [ 325.941976][T19391] __x64_sys_ioctl+0x3f/0x50 [ 325.946564][T19391] do_syscall_64+0x39/0x80 [ 325.950981][T19391] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 325.956915][T19391] RIP: 0033:0x466217 [ 325.962617][T19391] Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 a4 48 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 325.982243][T19391] RSP: 002b:00007f14ea25ff48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 325.990676][T19391] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 0000000000466217 [ 325.998645][T19391] RDX: 0000000000000004 RSI: 0000000000004c00 RDI: 0000000000000005 [ 326.006628][T19391] RBP: 0000000000000005 R08: 0000000000000000 R09: ffffffffffffffff [ 326.014759][T19391] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 326.022731][T19391] R13: 0000000000000004 R14: 0000000020000260 R15: 0000000000000004 [ 326.039305][T19327] loop3: detected capacity change from 0 to 264192 [ 326.039519][T19400] VFS: unable to find oldfs superblock on device loop2 [ 326.055478][T19391] ERROR: Out of memory at tomoyo_realpath_from_path. [ 326.066773][T19391] loop0: detected capacity change from 0 to 4096 [ 326.082618][T19379] EXT4-fs (loop4): revision level too high, forcing read-only mode [ 326.093705][T19405] loop2: detected capacity change from 0 to 513 [ 326.094217][T19379] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: writeback. [ 326.100196][T19380] loop5: detected capacity change from 0 to 84 [ 326.131738][T19405] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 326.156118][T19391] EXT4-fs (loop0): revision level too high, forcing read-only mode [ 326.163044][T19405] EXT4-fs (loop2): group descriptors corrupted! [ 326.172945][T19380] FAT-fs (loop5): bogus number of reserved sectors [ 326.174809][T19391] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: writeback. [ 326.179886][T19380] FAT-fs (loop5): Can't find a valid FAT filesystem [ 326.196685][T19422] loop1: detected capacity change from 0 to 185708 [ 326.232416][T19422] FAT-fs (loop1): Unrecognized mount option "flÕ" or missing value [ 326.286978][ T9516] peak_usb 4-1:0.0 can0: unable to request usb[type=0 value=0] err=-71 [ 326.295269][ T9516] peak_usb 4-1:0.0: unable to read PCAN-USB Pro bootloader info (err -71) [ 326.295817][T19430] loop2: detected capacity change from 0 to 513 [ 326.311597][T19430] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 326.314798][T19422] loop1: detected capacity change from 0 to 185708 [ 326.321951][T19430] EXT4-fs (loop2): group descriptors corrupted! [ 326.331641][T19422] FAT-fs (loop1): Unrecognized mount option "flÕ" or missing value [ 326.396769][ T9516] peak_usb: probe of 4-1:0.0 failed with error -71 [ 326.420611][ T9516] usb 4-1: USB disconnect, device number 81 [ 326.803616][T19404] loop3: detected capacity change from 0 to 264192 20:56:58 executing program 3: openat(0xffffffffffffffff, 0x0, 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000000)='sysv\x00', &(0x7f0000000040)='./file0\x00', 0x2c80000000000000, 0xa, &(0x7f0000000700)=[{&(0x7f00000000c0)="b04ba28664440a194dfb3ae0c09e42ec4d077e4907cb503fa6dd84f59dbe8b202892e551e5026b82f7b1ec33da4381d96b133bea999314a95a643c8efef03e0b6f23a5506e23b59298b0ba77dfa9d23cd50d5d1420815ac15c2ec9ff97148d3a9fbc7995d14ee294fe8aac0dfb1eb56a7f2ea905b72dbc0822ee", 0x7a, 0x9}, {&(0x7f0000000140)="d124f5e286c4cc18ffcda55d1356e9f6bb2108d979f0e50bcf11888c18ac91f7040ad451ae5b11166fd802d8f47276fe7eb39a830eb4b5e3f2536aef483565c7033829fa5becddd05c6dcc602ade5d5b3c2425d749e9bfb168136139922aa6b983e877f9f9", 0x65, 0x7ff}, {&(0x7f00000001c0)="c49fe216dd35935b4cb6251d52e449ae435b3b0066b8d500f8821c9406b200db8819e44b12f30a55a23167", 0x2b, 0x7}, {&(0x7f0000000200)="3693ccbe7347792ea09fe180842b5f9a8ae4851fe32274cb2c935ef53af88c843c7e8fee6f621fd795b6073229db51d3bdf25e66184cb27dd78516f3b10d09e0665aba5127f4906aacbdc6cd10836abe6a561fc912aeea218de3dadbb8dd2ac933043478419ba5fd943e85aabc1c065464ff9fc2242304a010", 0x79, 0x400}, {&(0x7f0000000280)="f3a8de65ec45cdada66f8eed2f7bc8b937fe7c644aea043558208629a331cda5027069b5935fbdabf9ae63747e770a1561f08088bbcfdb3d1bd8c746cb050bab0e65f132a19ada08c7b2ba787e35c7d3ab45acbc2d108e6505b66ab29ec7d228e30fea4981ce300606f6b1abae85ffb07af70d9976c26b977ef5921c7fc826a3bae7b19f590def95", 0x88, 0x3}, {&(0x7f0000000340)="6bdb35891799e64cc2d3fb414a731f28c64aac1983eb9c02951ca278c1cdd0e429803c8cb5452e0c4e90921ea38b9c754357a3703199aeb8b846b5359d5a105fb06186a1679b6eefa15a855831acfda4bc3c223495a59b0dc0be1d5c92493d041d9dc88ceaf50939233d75e8c78b2afab46ec278b7bbb45a88417b1931074f3376a974029fc21a0fcc45bbfdc88cebf55d8b85e11163d597113177d5f0a8d1dad35c302c71d781", 0xa7, 0x3}, {&(0x7f0000000400)="509bfff7e7b54ca1bb9c809b2e2eb03d872614858855d63e70ab6295df5e4b6f823f9b245aa0bdd29de8913ef928e1b01c7a6dabf1c39f2c74229af54e2b1772b2be29aad6e4ea69d33037f7a8d3ef78bced4b7b04d07150c22051ce00bf81fe8e221e64d59beb1c8e9aeb5d722705e9563605fbde08653910b9547a6550bb1c09d04be1553c853761c31300916da7bd6fe8873762f813630092db7ec3bf061690a32c6fd4cd1b963c0dd022dfb1b8cc36e129db1f44a961d22f6bb6f816e81685bb940c0c2aacc28bbf41566650399a491d581b860f2b35933a", 0xda, 0x8}, {&(0x7f0000000500)="a9eec7d069930a6ed7d699563f6887f74215279e34cb32f0b871ede954ffbadcd60f4b9ecbd26e6cbf497be1cfeccd3f503ac21c0bbaedb11d6ec7906070869f1019bc63ee421c0b1e51d223cd8ec7373c7799a0beeba8d7d241b1c422cc127dc27ddd15a756fee91f1b4859c3aa", 0x6e, 0x6}, {&(0x7f0000000580)="9fb945104c0fbeef9ff48467fcb06c36720c2bcae80388783db6c561cd631091c8fcaaf4a0a1c824c5ccbc7e1914e6278a346916bf4b2c10ff411cb94b42efeeb348a2f8410992aded70e413a36ee90151215396ff705909ca40befc7f61f8", 0x5f, 0x4}, {&(0x7f0000000600)="632925d7f4fc2bd6f5a32f4664684b0d2fbae4b9fbaf3bd098c170dbcfd94fd3740adcd60f8d75fc8cb8a8d9ed4b8026b090e333721e0b7469380401f910325cf287eb652bb37e375c34d9663fb1768f497c9d3dbff973d7d789c1dba890fdbe64a85b17c7f4befd3bd3c76e473a5feae0c268bfba16b98ebf03b15c2cd8640dcfeb5a7abc95c7fd7ab221c040e904b887b5cb9eed501fad0a867ed8c2ba44ce2ed29efb297dbe07d077005a56c5ab7a3e6e2c261b98ec85064374e2b78d5fc762d4e7c0f661862704ce6365", 0xcc, 0x7}], 0x18000, &(0x7f0000000a00)={[{'\\-'}, {'%\'\\,$^\xa7'}, {'*&'}, {'-(&].:.:/*{$@:(\\-'}], [{@smackfsdef={'smackfsdef', 0x3d, '\xfcm\xfb\'\xe6\xf0v;8&\xed\xf7\xbc\x97\xbcR\x1b\x00\x00\x00\xb2/\x84=\x1eqMe\xd1!\xd2\x00x `\x8e\x80\xc6\x93\x9d\x98\xc5\xea\xae\xd9|w\xaa\x11Z\xe1\xfb\xdd\xb2f}\xde*\xa8\xedxl\x90\xcd\xba0@p\xe6\xc5\xe0\xb3\xea=o%x\xb9\x89\x7f\x7f\xc1e\x9b\xc9\xe0\xecm\x8e/\x8c\xad_a\x06\xae\xd8E\xc1o?k9\"M\xb0\xf7epV\xff\x86\xcc\xaa\x87\xb0?\xf0\x96\x96;3\x83I\x1fs+\x84A\xacK\xf9\x14\xe2\xb9\x97*\x89\xeb\x8d\xd24%\x9eBr^\x1b&\xe9\xbd[n\xectR2\xa9\x1c\x9c\xfd\xb4@\xf6\xa6*\xe0f\xe2V6G\xf5u\x1cH\xc2\xfcS\a0f_eB8\x9d\x9e\x05;\n\x18\x9a\v\xad#\xc3\xf0A j\xaa\xc40\xa2\xe8\xd4sG:\xb8\x9d{\x95'}}, {@fsuuid={'fsuuid', 0x3d, {[0x36, 0x36, 0x32, 0x66, 0x64, 0x2, 0x38, 0x32], 0x2d, [0x53, 0xbe497d20dfa749ce, 0x38, 0x35], 0x2d, [0x39, 0x37, 0x32, 0x33], 0x2d, [0x36, 0x31, 0x64, 0x38], 0x2d, [0x39, 0x37, 0x3e34aa358e6dafdd, 0x64, 0x61, 0x32, 0x63, 0x63]}}}]}) r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000080)={{0x12, 0x1, 0x0, 0xf6, 0xbe, 0xd8, 0x8, 0xc72, 0xd, 0x9bc9, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x9b, 0x10, 0x39}}]}}]}}, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000840)={0x44, &(0x7f0000000000)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) 20:56:58 executing program 4 (fault-call:3 fault-nth:33): r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:56:58 executing program 0 (fault-call:1 fault-nth:24): pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[]) 20:56:58 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0xa903, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:56:58 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x403c9, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) 20:56:58 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x0, 0x11, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 326.949148][T19480] FAULT_INJECTION: forcing a failure. [ 326.949148][T19480] name failslab, interval 1, probability 0, space 0, times 0 [ 326.965749][T19480] CPU: 1 PID: 19480 Comm: syz-executor.4 Not tainted 5.12.0-rc5-syzkaller #0 [ 326.975315][T19480] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 326.985474][T19480] Call Trace: [ 326.988770][T19480] dump_stack+0x137/0x19d [ 326.993235][T19480] should_fail+0x23c/0x250 [ 326.997678][T19480] ? __kernfs_new_node+0x73/0x360 [ 327.002739][T19480] __should_failslab+0x81/0x90 [ 327.007541][T19480] should_failslab+0x5/0x20 [ 327.012087][T19480] kmem_cache_alloc+0x46/0x320 [ 327.016850][T19480] __kernfs_new_node+0x73/0x360 [ 327.018349][T19481] VFS: unable to find oldfs superblock on device loop2 [ 327.021725][T19480] ? kernfs_link_sibling+0x227/0x240 [ 327.021789][T19480] kernfs_new_node+0x5b/0xd0 [ 327.029299][T19479] loop5: detected capacity change from 0 to 84 [ 327.033942][T19480] __kernfs_create_file+0x45/0x1a0 [ 327.033968][T19480] sysfs_add_file_mode_ns+0x1c1/0x250 [ 327.042720][T19482] loop3: detected capacity change from 0 to 264192 [ 327.044782][T19480] internal_create_group+0x2e4/0x850 [ 327.056678][T19489] FAULT_INJECTION: forcing a failure. [ 327.056678][T19489] name failslab, interval 1, probability 0, space 0, times 0 [ 327.061719][T19480] sysfs_create_group+0x1b/0x20 [ 327.067689][T19479] FAT-fs (loop5): bogus number of reserved sectors [ 327.079594][T19480] loop_configure+0xa21/0xcb0 [ 327.079623][T19480] lo_ioctl+0x555/0x11f0 [ 327.100418][T19480] ? ___cache_free+0x3c/0x2f0 [ 327.103998][T19479] FAT-fs (loop5): Can't find a valid FAT filesystem [ 327.105142][T19480] ? blkdev_common_ioctl+0xa36/0x10a0 [ 327.117119][T19480] ? lo_release+0x120/0x120 [ 327.121617][T19480] blkdev_ioctl+0x1d0/0x3c0 [ 327.126146][T19480] block_ioctl+0x6d/0x80 [ 327.130428][T19480] ? blkdev_iopoll+0x70/0x70 [ 327.135033][T19480] __se_sys_ioctl+0xcb/0x140 [ 327.139626][T19480] __x64_sys_ioctl+0x3f/0x50 [ 327.144264][T19480] do_syscall_64+0x39/0x80 [ 327.148692][T19480] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 327.154597][T19480] RIP: 0033:0x466217 [ 327.158560][T19480] Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 a4 48 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 327.178402][T19480] RSP: 002b:00007fdfcb135f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 327.187696][T19480] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 0000000000466217 [ 327.195673][T19480] RDX: 0000000000000005 RSI: 0000000000004c00 RDI: 0000000000000006 [ 327.204453][T19480] RBP: 0000000000000006 R08: 0000000000000000 R09: ffffffffffffffff [ 327.212467][T19480] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 327.220539][T19480] R13: 0000000000000005 R14: 0000000020000260 R15: 0000000000000004 [ 327.228523][T19489] CPU: 0 PID: 19489 Comm: syz-executor.0 Not tainted 5.12.0-rc5-syzkaller #0 [ 327.237352][T19489] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 327.247494][T19489] Call Trace: [ 327.250208][T19480] loop4: detected capacity change from 0 to 4096 [ 327.250796][T19489] dump_stack+0x137/0x19d [ 327.250823][T19489] should_fail+0x23c/0x250 [ 327.250841][T19489] __should_failslab+0x81/0x90 [ 327.270782][T19489] ? tomoyo_encode2+0x1d3/0x350 [ 327.275653][T19489] should_failslab+0x5/0x20 [ 327.280178][T19489] __kmalloc+0x66/0x380 [ 327.284339][T19489] tomoyo_encode2+0x1d3/0x350 [ 327.289044][T19489] tomoyo_realpath_from_path+0x35e/0x3b0 [ 327.294735][T19489] tomoyo_path_number_perm+0xc1/0x2d0 [ 327.300131][T19489] ? fsnotify+0x34a/0x1190 [ 327.304555][T19489] ? kmem_cache_free+0x59/0x100 [ 327.309470][T19489] ? __rcu_read_unlock+0x5c/0x250 [ 327.315266][T19489] tomoyo_file_ioctl+0x1c/0x20 [ 327.320033][T19489] security_file_ioctl+0x45/0x90 [ 327.324960][T19489] __se_sys_ioctl+0x48/0x140 [ 327.329598][T19489] __x64_sys_ioctl+0x3f/0x50 [ 327.334173][T19489] do_syscall_64+0x39/0x80 [ 327.338571][T19489] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 327.344539][T19489] RIP: 0033:0x466217 [ 327.348499][T19489] Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 a4 48 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 327.368112][T19489] RSP: 002b:00007f14ea25ff48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 327.376529][T19489] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 0000000000466217 [ 327.384508][T19489] RDX: 0000000000000004 RSI: 0000000000004c00 RDI: 0000000000000005 [ 327.392484][T19489] RBP: 0000000000000005 R08: 0000000000000000 R09: ffffffffffffffff [ 327.400447][T19489] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 327.408470][T19489] R13: 0000000000000004 R14: 0000000020000260 R15: 0000000000000004 [ 327.418272][T19489] ERROR: Out of memory at tomoyo_realpath_from_path. [ 327.425279][T19489] loop0: detected capacity change from 0 to 4096 [ 327.491716][T19479] loop5: detected capacity change from 0 to 84 [ 327.491724][T19480] EXT4-fs (loop4): revision level too high, forcing read-only mode [ 327.492207][T19480] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: writeback. [ 327.506831][T19495] loop2: detected capacity change from 0 to 513 [ 327.517716][T19488] loop1: detected capacity change from 0 to 185708 [ 327.535620][T19495] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 327.549067][T19479] FAT-fs (loop5): bogus number of reserved sectors [ 327.555833][T19479] FAT-fs (loop5): Can't find a valid FAT filesystem [ 327.557333][T19489] EXT4-fs (loop0): revision level too high, forcing read-only mode [ 327.567823][T19495] EXT4-fs (loop2): group descriptors corrupted! 20:56:59 executing program 4 (fault-call:3 fault-nth:34): r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:56:59 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0xaa03, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:56:59 executing program 0 (fault-call:1 fault-nth:25): pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[]) [ 327.586931][T19488] FAT-fs (loop1): Unrecognized mount option "flÕ" or missing value [ 327.593683][T19489] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: writeback. 20:56:59 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x403ca, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) [ 327.664280][T19488] loop1: detected capacity change from 0 to 185708 [ 327.710551][T19488] FAT-fs (loop1): Unrecognized mount option "flÕ" or missing value [ 327.731040][T19527] FAULT_INJECTION: forcing a failure. [ 327.731040][T19527] name failslab, interval 1, probability 0, space 0, times 0 [ 327.743958][T19527] CPU: 0 PID: 19527 Comm: syz-executor.0 Not tainted 5.12.0-rc5-syzkaller #0 20:56:59 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x0, 0x12, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 327.752742][T19527] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 327.762804][T19527] Call Trace: [ 327.766083][T19527] dump_stack+0x137/0x19d [ 327.770430][T19527] should_fail+0x23c/0x250 [ 327.774851][T19527] ? loop_set_status_from_info+0x3a0/0x3a0 [ 327.780734][T19527] __should_failslab+0x81/0x90 [ 327.785500][T19527] ? __kthread_create_on_node+0x7a/0x270 [ 327.791195][T19527] should_failslab+0x5/0x20 [ 327.795800][T19527] kmem_cache_alloc_trace+0x49/0x340 [ 327.801091][T19527] ? find_inode_fast+0x223/0x250 [ 327.806054][T19527] ? loop_set_status_from_info+0x3a0/0x3a0 [ 327.812250][T19527] __kthread_create_on_node+0x7a/0x270 [ 327.812829][T19530] loop4: detected capacity change from 0 to 4096 [ 327.817726][T19527] ? loop_set_status_from_info+0x3a0/0x3a0 [ 327.817753][T19527] kthread_create_on_node+0x72/0xa0 [ 327.817779][T19527] loop_configure+0x597/0xcb0 [ 327.824260][T19528] loop5: detected capacity change from 0 to 85 [ 327.829906][T19527] lo_ioctl+0x555/0x11f0 [ 327.829930][T19527] ? ___cache_free+0x3c/0x2f0 [ 327.829989][T19527] ? blkdev_common_ioctl+0xa36/0x10a0 [ 327.842755][T19529] VFS: unable to find oldfs superblock on device loop2 [ 327.845965][T19527] ? lo_release+0x120/0x120 [ 327.845988][T19527] blkdev_ioctl+0x1d0/0x3c0 [ 327.854450][T19530] FAULT_INJECTION: forcing a failure. [ 327.854450][T19530] name failslab, interval 1, probability 0, space 0, times 0 [ 327.854885][T19527] block_ioctl+0x6d/0x80 [ 327.871618][T19528] FAT-fs (loop5): bogus number of reserved sectors [ 327.876017][T19527] ? blkdev_iopoll+0x70/0x70 [ 327.904037][T19527] __se_sys_ioctl+0xcb/0x140 [ 327.908648][T19527] __x64_sys_ioctl+0x3f/0x50 [ 327.913317][T19527] do_syscall_64+0x39/0x80 [ 327.917739][T19527] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 327.919788][T19528] FAT-fs (loop5): Can't find a valid FAT filesystem [ 327.923640][T19527] RIP: 0033:0x466217 [ 327.934140][T19527] Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 a4 48 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 327.954927][T19527] RSP: 002b:00007f14ea25ff48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 327.963374][T19527] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 0000000000466217 [ 327.971353][T19527] RDX: 0000000000000004 RSI: 0000000000004c00 RDI: 0000000000000005 [ 327.979332][T19527] RBP: 0000000000000005 R08: 0000000000000000 R09: ffffffffffffffff [ 327.987307][T19527] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 327.995277][T19527] R13: 0000000000000004 R14: 0000000020000260 R15: 0000000000000004 [ 328.003286][T19530] CPU: 1 PID: 19530 Comm: syz-executor.4 Not tainted 5.12.0-rc5-syzkaller #0 [ 328.012062][T19530] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 328.022118][T19530] Call Trace: [ 328.025406][T19530] dump_stack+0x137/0x19d [ 328.029835][T19530] should_fail+0x23c/0x250 [ 328.034384][T19530] __should_failslab+0x81/0x90 [ 328.039147][T19530] ? kzalloc+0x1d/0x30 [ 328.043247][T19530] should_failslab+0x5/0x20 [ 328.047761][T19530] __kmalloc+0x66/0x380 [ 328.052003][T19530] kzalloc+0x1d/0x30 [ 328.055905][T19530] kobject_get_path+0x7c/0x110 [ 328.060673][T19530] kobject_uevent_env+0x1be/0xc40 [ 328.065731][T19530] kobject_uevent+0x18/0x20 [ 328.070236][T19530] loop_configure+0xb3c/0xcb0 [ 328.075261][T19530] lo_ioctl+0x555/0x11f0 [ 328.079630][T19530] ? ___cache_free+0x3c/0x2f0 [ 328.084388][T19530] ? blkdev_common_ioctl+0xa36/0x10a0 [ 328.089766][T19530] ? lo_release+0x120/0x120 [ 328.094267][T19530] blkdev_ioctl+0x1d0/0x3c0 [ 328.099868][T19530] block_ioctl+0x6d/0x80 [ 328.104843][T19530] ? blkdev_iopoll+0x70/0x70 [ 328.109537][T19530] __se_sys_ioctl+0xcb/0x140 [ 328.114132][T19530] __x64_sys_ioctl+0x3f/0x50 [ 328.118725][T19530] do_syscall_64+0x39/0x80 [ 328.123185][T19530] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 328.129087][T19530] RIP: 0033:0x466217 [ 328.132985][T19530] Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 a4 48 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 328.152728][T19530] RSP: 002b:00007fdfcb135f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 328.161183][T19530] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 0000000000466217 [ 328.169171][T19530] RDX: 0000000000000005 RSI: 0000000000004c00 RDI: 0000000000000006 [ 328.177128][T19530] RBP: 0000000000000006 R08: 0000000000000000 R09: ffffffffffffffff [ 328.185234][T19530] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 328.193213][T19530] R13: 0000000000000005 R14: 0000000020000260 R15: 0000000000000004 20:56:59 executing program 0 (fault-call:1 fault-nth:26): pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[]) [ 328.207904][ T5] usb 4-1: new high-speed USB device number 82 using dummy_hcd [ 328.238967][T19530] EXT4-fs (loop4): revision level too high, forcing read-only mode [ 328.250336][T19528] loop5: detected capacity change from 0 to 85 [ 328.261691][T19540] loop2: detected capacity change from 0 to 513 [ 328.262409][T19530] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: writeback. [ 328.283050][T19528] FAT-fs (loop5): bogus number of reserved sectors [ 328.290997][T19528] FAT-fs (loop5): Can't find a valid FAT filesystem [ 328.298421][T19549] FAULT_INJECTION: forcing a failure. [ 328.298421][T19549] name failslab, interval 1, probability 0, space 0, times 0 [ 328.315160][T19549] CPU: 0 PID: 19549 Comm: syz-executor.0 Not tainted 5.12.0-rc5-syzkaller #0 [ 328.324019][T19549] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 328.334321][T19549] Call Trace: [ 328.337589][T19549] dump_stack+0x137/0x19d [ 328.341916][T19549] should_fail+0x23c/0x250 [ 328.346338][T19549] ? __kernfs_new_node+0x73/0x360 [ 328.351436][T19549] __should_failslab+0x81/0x90 [ 328.356263][T19549] should_failslab+0x5/0x20 [ 328.360767][T19549] kmem_cache_alloc+0x46/0x320 [ 328.365529][T19549] ? select_idle_sibling+0x3be/0x550 [ 328.370815][T19549] __kernfs_new_node+0x73/0x360 [ 328.375701][T19549] ? rb_insert_color+0x2fa/0x310 [ 328.380623][T19549] ? update_load_avg+0x1ad/0x2d0 [ 328.386525][T19549] ? rb_insert_color+0x2fa/0x310 [ 328.391506][T19549] kernfs_create_dir_ns+0x5e/0x140 [ 328.396677][T19549] internal_create_group+0x138/0x850 [ 328.402403][T19549] ? check_preempt_wakeup+0x1cb/0x370 [ 328.407776][T19549] sysfs_create_group+0x1b/0x20 [ 328.412609][T19549] loop_configure+0xa21/0xcb0 [ 328.417268][T19549] lo_ioctl+0x555/0x11f0 [ 328.421674][T19549] ? ___cache_free+0x3c/0x2f0 [ 328.426341][T19549] ? blkdev_common_ioctl+0xa36/0x10a0 [ 328.431994][T19549] ? lo_release+0x120/0x120 [ 328.436495][T19549] blkdev_ioctl+0x1d0/0x3c0 [ 328.441078][T19549] block_ioctl+0x6d/0x80 [ 328.445315][T19549] ? blkdev_iopoll+0x70/0x70 [ 328.449920][T19549] __se_sys_ioctl+0xcb/0x140 [ 328.454534][T19549] __x64_sys_ioctl+0x3f/0x50 [ 328.459111][T19549] do_syscall_64+0x39/0x80 [ 328.463632][T19549] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 328.469522][T19549] RIP: 0033:0x466217 [ 328.473403][T19549] Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 a4 48 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 328.492994][T19549] RSP: 002b:00007f14ea25ff48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 328.501490][T19549] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 0000000000466217 [ 328.509538][T19549] RDX: 0000000000000004 RSI: 0000000000004c00 RDI: 0000000000000005 [ 328.517556][T19549] RBP: 0000000000000005 R08: 0000000000000000 R09: ffffffffffffffff [ 328.525531][T19549] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 328.533579][T19549] R13: 0000000000000004 R14: 0000000020000260 R15: 0000000000000004 [ 328.544240][T19549] loop0: detected capacity change from 0 to 4096 [ 328.593339][T19540] loop2: detected capacity change from 0 to 513 [ 328.600432][T19549] EXT4-fs (loop0): revision level too high, forcing read-only mode [ 328.617924][T19549] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: writeback. [ 328.630936][T19540] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 328.661084][T19540] EXT4-fs (loop2): group descriptors corrupted! [ 328.676689][ T5] usb 4-1: Using ep0 maxpacket: 8 [ 328.818070][ T5] usb 4-1: New USB device found, idVendor=0c72, idProduct=000d, bcdDevice=9b.c9 [ 328.871745][ T5] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 328.901815][ T5] usb 4-1: config 0 descriptor?? [ 329.406709][ T5] peak_usb 4-1:0.0 can0: unable to request usb[type=0 value=0] err=-71 [ 329.415103][ T5] peak_usb 4-1:0.0: unable to read PCAN-USB Pro bootloader info (err -71) [ 329.466738][ T5] peak_usb: probe of 4-1:0.0 failed with error -71 [ 329.480153][ T5] usb 4-1: USB disconnect, device number 82 [ 329.900546][T19482] loop3: detected capacity change from 0 to 264192 [ 330.166708][ T9516] usb 4-1: new high-speed USB device number 83 using dummy_hcd [ 330.407394][ T9516] usb 4-1: Using ep0 maxpacket: 8 [ 330.536869][ T9516] usb 4-1: New USB device found, idVendor=0c72, idProduct=000d, bcdDevice=9b.c9 [ 330.546008][ T9516] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 330.556270][ T9516] usb 4-1: config 0 descriptor?? 20:57:02 executing program 3: r0 = openat(0xffffffffffffffff, 0x0, 0x0, 0x0) r1 = syz_usb_connect(0x0, 0x24, &(0x7f0000000000)=ANY=[@ANYBLOB="12010000f6bed808720c0d00c99b001400000109021200010000000009040000009b103900"], 0x0) syz_usb_control_io(r1, &(0x7f0000000200)={0x2c, &(0x7f0000000040)={0x0, 0xc, 0x6, {0x6, 0x0, "c47213c6"}}, &(0x7f0000000080)={0x0, 0x3, 0x93, @string={0x93, 0x3, "407c37701cfb7d372830068120ea63443f291c05a39342fee0e73f52951e0b3df20ac25f2c872f4058453e4a2ac5ef1dd73acf4c9b7bf92532e7648668e64b63cd7a52450f2d390af6af59d748de76b9cac9f0b4d9eaddee0946092b590314a46b68fd55085b41d0abfc6bd5a0237e9b448aff4eaf9143177d0adf1fec4bb2f7931782027675d463c532bc3b43fdfe00ca"}}, &(0x7f0000000140)={0x0, 0xf, 0x1b, {0x5, 0xf, 0x1b, 0x2, [@wireless={0xb, 0x10, 0x1, 0xc, 0xc8, 0x8, 0x9, 0x9, 0x4}, @wireless={0xb, 0x10, 0x1, 0x8, 0x28, 0xff, 0x93, 0x1f, 0xff}]}}, &(0x7f0000000180)={0x20, 0x29, 0xf, {0xf, 0x29, 0x9, 0x18, 0x3f, 0x7d, "bcbd192a", "ecfc1d30"}}, &(0x7f00000001c0)={0x20, 0x2a, 0xc, {0xc, 0x2a, 0x0, 0x1, 0x1f, 0x0, 0x0, 0x401, 0x6}}}, &(0x7f00000006c0)={0x84, &(0x7f0000000240)={0x0, 0x17, 0x97, "2b673f35b58563ecdd1493d18c9e41400164e416e9c3865898c99f9c2446884d99997676ed74e1a36067a446675fea45bee9e6f86fa9372dbc92e4d58e23c38b824091c14b898b61eec0bd43341da9b952f6af746f66430bb7065676aff61d495de345f421d70dddea6e592d04e39895f1a65956fe899c18f992bc7615ef3a63e609220854417c5369fab4a193df7a581f181b326a2acc"}, &(0x7f0000000300)={0x0, 0xa, 0x1, 0x81}, &(0x7f0000000340)={0x0, 0x8, 0x1}, &(0x7f0000000380)={0x20, 0x0, 0x4, {0x1, 0x2}}, &(0x7f00000003c0)={0x20, 0x0, 0x4, {0xe0, 0x20}}, &(0x7f0000000400)={0x40, 0x7, 0x2, 0x8}, &(0x7f0000000440)={0x40, 0x9, 0x1, 0x3}, &(0x7f0000000480)={0x40, 0xb, 0x2, "f030"}, &(0x7f00000004c0)={0x40, 0xf, 0x2, 0x1}, &(0x7f0000000500)={0x40, 0x13, 0x6, @broadcast}, &(0x7f0000000540)={0x40, 0x17, 0x6, @random="1baa1b9496c1"}, &(0x7f0000000580)={0x40, 0x19, 0x2, "b1ca"}, &(0x7f00000005c0)={0x40, 0x1a, 0x2, 0x2}, &(0x7f0000000600)={0x40, 0x1c, 0x1, 0x3f}, &(0x7f0000000640)={0x40, 0x1e, 0x1, 0x7f}, &(0x7f0000000680)={0x40, 0x21, 0x1, 0x7}}) close(r0) syz_usb_control_io(r1, 0x0, &(0x7f0000000840)={0x44, &(0x7f0000000000)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) 20:57:02 executing program 4 (fault-call:3 fault-nth:35): r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:57:02 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x0, 0x18, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:57:02 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0xaa26, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:57:02 executing program 0 (fault-call:1 fault-nth:27): pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[]) 20:57:02 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x403cb, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) [ 330.826681][ T9516] peak_usb 4-1:0.0 can0: unable to request usb[type=0 value=1] err=-71 [ 330.834992][ T9516] peak_usb 4-1:0.0: unable to read PCAN-USB Pro firmware info (err -71) [ 330.878161][T19616] loop4: detected capacity change from 0 to 4096 [ 330.886701][T19616] FAULT_INJECTION: forcing a failure. [ 330.886701][T19616] name failslab, interval 1, probability 0, space 0, times 0 [ 330.887180][T19622] loop1: detected capacity change from 0 to 185708 [ 330.901596][T19616] CPU: 1 PID: 19616 Comm: syz-executor.4 Not tainted 5.12.0-rc5-syzkaller #0 [ 330.907064][T19617] loop5: detected capacity change from 0 to 85 [ 330.914604][T19616] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 330.914618][T19616] Call Trace: [ 330.914626][T19616] dump_stack+0x137/0x19d [ 330.914710][T19616] should_fail+0x23c/0x250 [ 330.914730][T19616] __should_failslab+0x81/0x90 [ 330.947740][T19616] ? kobject_uevent_env+0x1a7/0xc40 [ 330.951003][T19622] FAT-fs (loop1): Unrecognized mount option "flÕ" or missing value [ 330.952969][T19616] should_failslab+0x5/0x20 [ 330.962089][T19617] FAT-fs (loop5): bogus number of reserved sectors [ 330.965432][T19616] kmem_cache_alloc_trace+0x49/0x340 [ 330.975219][T19617] FAT-fs (loop5): Can't find a valid FAT filesystem [ 330.977206][T19616] ? vprintk_func+0x11b/0x120 [ 330.977236][T19616] ? dev_uevent_filter+0x70/0x70 [ 330.993394][T19616] kobject_uevent_env+0x1a7/0xc40 [ 330.995343][T19623] FAULT_INJECTION: forcing a failure. [ 330.995343][T19623] name failslab, interval 1, probability 0, space 0, times 0 [ 330.998437][T19616] kobject_uevent+0x18/0x20 [ 330.998459][T19616] loop_configure+0xb3c/0xcb0 [ 330.998480][T19616] lo_ioctl+0x555/0x11f0 [ 331.024403][T19616] ? ___cache_free+0x3c/0x2f0 [ 331.029087][T19616] ? blkdev_common_ioctl+0xa36/0x10a0 [ 331.034484][T19616] ? lo_release+0x120/0x120 [ 331.038983][T19616] blkdev_ioctl+0x1d0/0x3c0 [ 331.043528][T19616] block_ioctl+0x6d/0x80 [ 331.050116][T19616] ? blkdev_iopoll+0x70/0x70 [ 331.054812][T19616] __se_sys_ioctl+0xcb/0x140 [ 331.059437][T19616] __x64_sys_ioctl+0x3f/0x50 [ 331.064134][T19616] do_syscall_64+0x39/0x80 [ 331.068614][T19616] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 331.074613][T19616] RIP: 0033:0x466217 [ 331.078761][T19616] Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 a4 48 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 331.098368][T19616] RSP: 002b:00007fdfcb135f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 331.106779][T19616] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 0000000000466217 [ 331.114744][T19616] RDX: 0000000000000005 RSI: 0000000000004c00 RDI: 0000000000000006 [ 331.122709][T19616] RBP: 0000000000000006 R08: 0000000000000000 R09: ffffffffffffffff [ 331.130675][T19616] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 331.138642][T19616] R13: 0000000000000005 R14: 0000000020000260 R15: 0000000000000004 [ 331.146643][T19623] CPU: 0 PID: 19623 Comm: syz-executor.0 Not tainted 5.12.0-rc5-syzkaller #0 [ 331.148972][ T9516] peak_usb: probe of 4-1:0.0 failed with error -71 [ 331.155417][T19623] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 331.171958][T19623] Call Trace: [ 331.175234][T19623] dump_stack+0x137/0x19d [ 331.177561][ T9516] usb 4-1: USB disconnect, device number 83 [ 331.179569][T19623] should_fail+0x23c/0x250 [ 331.179593][T19623] ? __kernfs_new_node+0x73/0x360 [ 331.194894][T19623] __should_failslab+0x81/0x90 [ 331.199661][T19623] should_failslab+0x5/0x20 [ 331.204175][T19623] kmem_cache_alloc+0x46/0x320 [ 331.208946][T19623] __kernfs_new_node+0x73/0x360 [ 331.213886][T19623] ? bpf_lsm_kernfs_init_security+0x5/0x10 [ 331.219700][T19623] ? security_kernfs_init_security+0x7b/0x90 [ 331.225750][T19623] ? rb_insert_color+0x7e/0x310 [ 331.230610][T19623] kernfs_new_node+0x5b/0xd0 [ 331.235216][T19623] __kernfs_create_file+0x45/0x1a0 [ 331.240356][T19623] sysfs_add_file_mode_ns+0x1c1/0x250 [ 331.245820][T19623] internal_create_group+0x2e4/0x850 [ 331.251110][T19623] sysfs_create_group+0x1b/0x20 [ 331.256220][T19623] loop_configure+0xa21/0xcb0 [ 331.260904][T19623] lo_ioctl+0x555/0x11f0 [ 331.265150][T19623] ? ___cache_free+0x3c/0x2f0 [ 331.269839][T19623] ? blkdev_common_ioctl+0xa36/0x10a0 [ 331.275454][T19623] ? lo_release+0x120/0x120 [ 331.279957][T19623] blkdev_ioctl+0x1d0/0x3c0 [ 331.284496][T19623] block_ioctl+0x6d/0x80 [ 331.288774][T19623] ? blkdev_iopoll+0x70/0x70 [ 331.293376][T19623] __se_sys_ioctl+0xcb/0x140 [ 331.298058][T19623] __x64_sys_ioctl+0x3f/0x50 [ 331.302692][T19623] do_syscall_64+0x39/0x80 [ 331.307111][T19623] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 331.313072][T19623] RIP: 0033:0x466217 [ 331.316973][T19623] Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 a4 48 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 331.336595][T19623] RSP: 002b:00007f14ea25ff48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 331.345072][T19623] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 0000000000466217 [ 331.353031][T19623] RDX: 0000000000000004 RSI: 0000000000004c00 RDI: 0000000000000005 [ 331.361037][T19623] RBP: 0000000000000005 R08: 0000000000000000 R09: ffffffffffffffff [ 331.368992][T19623] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 331.376956][T19623] R13: 0000000000000004 R14: 0000000020000260 R15: 0000000000000004 [ 331.388338][T19623] loop0: detected capacity change from 0 to 4096 [ 331.411073][T19622] loop1: detected capacity change from 0 to 185708 20:57:02 executing program 4 (fault-call:3 fault-nth:36): r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 331.423957][T19616] EXT4-fs (loop4): revision level too high, forcing read-only mode [ 331.432943][T19623] EXT4-fs (loop0): revision level too high, forcing read-only mode [ 331.441521][T19616] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: writeback. [ 331.448607][T19623] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: writeback. [ 331.468237][T19622] FAT-fs (loop1): Unrecognized mount option "flÕ" or missing value [ 331.487376][T19628] loop2: detected capacity change from 0 to 513 [ 331.494874][T19617] loop5: detected capacity change from 0 to 85 [ 331.509765][T19617] FAT-fs (loop5): bogus number of reserved sectors [ 331.510750][T19628] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 331.527813][T19628] EXT4-fs (loop2): group descriptors corrupted! 20:57:03 executing program 0 (fault-call:1 fault-nth:28): pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[]) 20:57:03 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x0, 0x25, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:57:03 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0xab03, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 331.536792][T19617] FAT-fs (loop5): Can't find a valid FAT filesystem [ 331.556675][ T9516] usb 4-1: new high-speed USB device number 84 using dummy_hcd [ 331.612445][T19669] loop4: detected capacity change from 0 to 4096 [ 331.634070][T19669] FAULT_INJECTION: forcing a failure. [ 331.634070][T19669] name failslab, interval 1, probability 0, space 0, times 0 [ 331.649608][T19669] CPU: 0 PID: 19669 Comm: syz-executor.4 Not tainted 5.12.0-rc5-syzkaller #0 [ 331.650429][T19680] loop1: detected capacity change from 0 to 185708 [ 331.658380][T19669] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 331.658403][T19669] Call Trace: [ 331.658411][T19669] dump_stack+0x137/0x19d [ 331.676777][T19679] FAULT_INJECTION: forcing a failure. [ 331.676777][T19679] name failslab, interval 1, probability 0, space 0, times 0 [ 331.678294][T19669] should_fail+0x23c/0x250 [ 331.699596][T19669] __should_failslab+0x81/0x90 [ 331.704387][T19669] should_failslab+0x5/0x20 [ 331.708991][T19669] kmem_cache_alloc_node_trace+0x5b/0x310 [ 331.714711][T19669] ? __kmalloc_node_track_caller+0x30/0x40 [ 331.720605][T19669] __kmalloc_node_track_caller+0x30/0x40 [ 331.726348][T19669] ? alloc_uevent_skb+0x5b/0x120 [ 331.731281][T19669] __alloc_skb+0x187/0x420 [ 331.735724][T19669] alloc_uevent_skb+0x5b/0x120 [ 331.740565][T19669] kobject_uevent_env+0x863/0xc40 [ 331.745656][T19669] kobject_uevent+0x18/0x20 [ 331.750161][T19669] loop_configure+0xb3c/0xcb0 [ 331.754837][T19669] lo_ioctl+0x555/0x11f0 [ 331.759091][T19669] ? ___cache_free+0x3c/0x2f0 [ 331.763770][T19669] ? blkdev_common_ioctl+0xa36/0x10a0 [ 331.769147][T19669] ? lo_release+0x120/0x120 [ 331.773644][T19669] blkdev_ioctl+0x1d0/0x3c0 [ 331.778153][T19669] block_ioctl+0x6d/0x80 [ 331.782401][T19669] ? blkdev_iopoll+0x70/0x70 [ 331.786992][T19669] __se_sys_ioctl+0xcb/0x140 [ 331.791621][T19669] __x64_sys_ioctl+0x3f/0x50 [ 331.796298][T19669] do_syscall_64+0x39/0x80 [ 331.800752][T19669] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 331.806678][ T9516] usb 4-1: Using ep0 maxpacket: 8 [ 331.806718][T19669] RIP: 0033:0x466217 [ 331.815628][T19669] Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 a4 48 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 331.835240][T19669] RSP: 002b:00007fdfcb135f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 331.843655][T19669] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 0000000000466217 [ 331.851624][T19669] RDX: 0000000000000005 RSI: 0000000000004c00 RDI: 0000000000000006 [ 331.859621][T19669] RBP: 0000000000000006 R08: 0000000000000000 R09: ffffffffffffffff [ 331.867589][T19669] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 331.875577][T19669] R13: 0000000000000005 R14: 0000000020000260 R15: 0000000000000004 [ 331.883617][T19679] CPU: 1 PID: 19679 Comm: syz-executor.0 Not tainted 5.12.0-rc5-syzkaller #0 [ 331.892392][T19679] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 331.902460][T19679] Call Trace: [ 331.905810][T19679] dump_stack+0x137/0x19d [ 331.910140][T19679] should_fail+0x23c/0x250 [ 331.914555][T19679] ? __kernfs_new_node+0x73/0x360 [ 331.919635][T19679] __should_failslab+0x81/0x90 [ 331.924409][T19679] should_failslab+0x5/0x20 [ 331.928917][T19679] kmem_cache_alloc+0x46/0x320 [ 331.933705][T19679] __kernfs_new_node+0x73/0x360 [ 331.938561][T19679] ? kernfs_link_sibling+0x227/0x240 [ 331.943940][T19679] ? security_kernfs_init_security+0x7b/0x90 [ 331.949926][T19679] kernfs_new_node+0x5b/0xd0 [ 331.954532][T19679] __kernfs_create_file+0x45/0x1a0 [ 331.959639][T19679] sysfs_add_file_mode_ns+0x1c1/0x250 [ 331.965009][T19679] internal_create_group+0x2e4/0x850 [ 331.970297][T19679] sysfs_create_group+0x1b/0x20 [ 331.975141][T19679] loop_configure+0xa21/0xcb0 [ 331.979828][T19679] lo_ioctl+0x555/0x11f0 [ 331.984067][T19679] ? ___cache_free+0x3c/0x2f0 [ 331.988757][T19679] ? blkdev_common_ioctl+0xa36/0x10a0 [ 331.994130][T19679] ? lo_release+0x120/0x120 [ 331.998625][T19679] blkdev_ioctl+0x1d0/0x3c0 [ 332.003145][T19679] block_ioctl+0x6d/0x80 [ 332.007388][T19679] ? blkdev_iopoll+0x70/0x70 [ 332.012048][T19679] __se_sys_ioctl+0xcb/0x140 [ 332.016635][T19679] __x64_sys_ioctl+0x3f/0x50 [ 332.021225][T19679] do_syscall_64+0x39/0x80 [ 332.025641][T19679] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 332.031564][T19679] RIP: 0033:0x466217 [ 332.035467][T19679] Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 a4 48 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 332.055074][T19679] RSP: 002b:00007f14ea25ff48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 332.063564][T19679] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 0000000000466217 [ 332.071615][T19679] RDX: 0000000000000004 RSI: 0000000000004c00 RDI: 0000000000000005 [ 332.079588][T19679] RBP: 0000000000000005 R08: 0000000000000000 R09: ffffffffffffffff [ 332.087555][T19679] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 332.095533][T19679] R13: 0000000000000004 R14: 0000000020000260 R15: 0000000000000004 [ 332.107857][ T9516] usb 4-1: no configurations 20:57:03 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40402, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) [ 332.121796][ T9516] usb 4-1: can't read configurations, error -22 [ 332.124090][T19680] FAT-fs (loop1): Unrecognized mount option "flÕ" or missing value [ 332.141897][T19669] EXT4-fs (loop4): revision level too high, forcing read-only mode [ 332.142838][T19679] loop0: detected capacity change from 0 to 4096 [ 332.156241][T19669] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: writeback. 20:57:03 executing program 4 (fault-call:3 fault-nth:37): r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 332.178978][T19690] loop5: detected capacity change from 0 to 85 [ 332.192124][T19679] EXT4-fs (loop0): revision level too high, forcing read-only mode [ 332.205478][T19680] loop1: detected capacity change from 0 to 185708 [ 332.212209][T19679] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: writeback. [ 332.212706][T19680] FAT-fs (loop1): Unrecognized mount option "flÕ" or missing value [ 332.225199][T19690] FAT-fs (loop5): bogus number of reserved sectors [ 332.251797][T19690] FAT-fs (loop5): Can't find a valid FAT filesystem [ 332.270773][T19699] VFS: unable to find oldfs superblock on device loop2 [ 332.289664][ T9516] usb 4-1: new high-speed USB device number 85 using dummy_hcd [ 332.310971][T19706] loop4: detected capacity change from 0 to 4096 [ 332.317714][T19706] FAULT_INJECTION: forcing a failure. [ 332.317714][T19706] name failslab, interval 1, probability 0, space 0, times 0 [ 332.330795][T19706] CPU: 1 PID: 19706 Comm: syz-executor.4 Not tainted 5.12.0-rc5-syzkaller #0 [ 332.339585][T19706] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 332.349640][T19706] Call Trace: [ 332.352936][T19706] dump_stack+0x137/0x19d [ 332.357289][T19706] should_fail+0x23c/0x250 [ 332.361707][T19706] ? skb_clone+0x12c/0x1f0 [ 332.366146][T19706] __should_failslab+0x81/0x90 [ 332.370930][T19706] should_failslab+0x5/0x20 [ 332.375496][T19706] kmem_cache_alloc+0x46/0x320 [ 332.380257][T19706] skb_clone+0x12c/0x1f0 [ 332.384504][T19706] netlink_broadcast_filtered+0x4fd/0xb80 [ 332.390249][T19706] ? skb_put+0xb9/0xf0 [ 332.394379][T19706] netlink_broadcast+0x35/0x50 [ 332.399151][T19706] kobject_uevent_env+0x8c9/0xc40 [ 332.404193][T19706] kobject_uevent+0x18/0x20 [ 332.408700][T19706] loop_configure+0xb3c/0xcb0 [ 332.413378][T19706] lo_ioctl+0x555/0x11f0 [ 332.417616][T19706] ? ___cache_free+0x3c/0x2f0 [ 332.422643][T19706] ? blkdev_common_ioctl+0xa36/0x10a0 [ 332.430952][T19706] ? lo_release+0x120/0x120 [ 332.435455][T19706] blkdev_ioctl+0x1d0/0x3c0 [ 332.439959][T19706] block_ioctl+0x6d/0x80 [ 332.444201][T19706] ? blkdev_iopoll+0x70/0x70 [ 332.448878][T19706] __se_sys_ioctl+0xcb/0x140 [ 332.453794][T19706] __x64_sys_ioctl+0x3f/0x50 [ 332.458390][T19706] do_syscall_64+0x39/0x80 [ 332.462886][T19706] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 332.468784][T19706] RIP: 0033:0x466217 [ 332.472711][T19706] Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 a4 48 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 332.492321][T19706] RSP: 002b:00007fdfcb135f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 332.500773][T19706] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 0000000000466217 [ 332.508830][T19706] RDX: 0000000000000005 RSI: 0000000000004c00 RDI: 0000000000000006 [ 332.516795][T19706] RBP: 0000000000000006 R08: 0000000000000000 R09: ffffffffffffffff [ 332.524758][T19706] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 332.532719][T19706] R13: 0000000000000005 R14: 0000000020000260 R15: 0000000000000004 [ 332.546197][T19706] EXT4-fs (loop4): revision level too high, forcing read-only mode [ 332.556521][T19706] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: writeback. [ 332.573065][T19690] loop5: detected capacity change from 0 to 85 [ 332.576755][T19709] loop2: detected capacity change from 0 to 514 [ 332.583248][T19690] FAT-fs (loop5): bogus number of reserved sectors [ 332.594153][T19709] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 332.611646][T19709] EXT4-fs (loop2): group descriptors corrupted! [ 332.622349][T19690] FAT-fs (loop5): Can't find a valid FAT filesystem [ 332.728888][T19724] loop2: detected capacity change from 0 to 514 [ 332.736112][T19724] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 332.746866][ T9516] usb 4-1: Using ep0 maxpacket: 8 [ 332.751952][T19724] EXT4-fs (loop2): group descriptors corrupted! [ 332.786868][ T9516] usb 4-1: no configurations [ 332.791559][ T9516] usb 4-1: can't read configurations, error -22 [ 332.798070][ T9516] usb usb4-port1: attempt power cycle [ 333.506719][ T9516] usb 4-1: new high-speed USB device number 86 using dummy_hcd [ 333.596853][ T9516] usb 4-1: Using ep0 maxpacket: 8 [ 333.637707][ T9516] usb 4-1: no configurations [ 333.642437][ T9516] usb 4-1: can't read configurations, error -22 [ 333.796711][ T9516] usb 4-1: new high-speed USB device number 87 using dummy_hcd 20:57:05 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x0, 0x5c, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:57:05 executing program 0 (fault-call:1 fault-nth:29): pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[]) 20:57:05 executing program 4 (fault-call:3 fault-nth:38): r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:57:05 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0xac03, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:57:05 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40406, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) 20:57:05 executing program 3: pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) write$binfmt_misc(r0, &(0x7f0000000000)=ANY=[], 0xfffffecc) r1 = socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080)='nl80211\x00', 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f00000000c0)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_SET_NOACK_MAP(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)={0x1c, r2, 0xed082cacd546dd7f, 0x0, 0x0, {{}, {@val={0x8, 0x3, r3}, @void}}}, 0x1c}}, 0x0) sendmsg$NL80211_CMD_LEAVE_MESH(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x28, r2, 0x20, 0x70bd2b, 0x25dfdbff, {{}, {@val={0x8}, @val={0xc, 0x99, {0xd4, 0x1f}}}}, ["", "", ""]}, 0x28}, 0x1, 0x0, 0x0, 0x44}, 0x5) openat(0xffffffffffffffff, 0x0, 0x0, 0x0) syz_usb_control_io(0xffffffffffffffff, 0x0, &(0x7f0000000840)={0x44, &(0x7f0000000000)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) [ 333.916676][ T9516] usb 4-1: device descriptor read/8, error -71 [ 333.939288][T19743] FAULT_INJECTION: forcing a failure. [ 333.939288][T19743] name failslab, interval 1, probability 0, space 0, times 0 [ 333.952832][T19745] loop1: detected capacity change from 0 to 185708 [ 333.959511][T19744] loop4: detected capacity change from 0 to 4096 [ 333.963555][T19745] FAT-fs (loop1): Unrecognized mount option "flÕ" or missing value [ 333.965936][T19747] loop5: detected capacity change from 0 to 86 [ 333.973958][T19743] CPU: 0 PID: 19743 Comm: syz-executor.0 Not tainted 5.12.0-rc5-syzkaller #0 [ 333.973982][T19743] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 333.989233][T19744] FAULT_INJECTION: forcing a failure. [ 333.989233][T19744] name failslab, interval 1, probability 0, space 0, times 0 [ 333.998945][T19743] Call Trace: [ 333.998958][T19743] dump_stack+0x137/0x19d [ 333.998986][T19743] should_fail+0x23c/0x250 [ 333.999005][T19743] ? __kernfs_new_node+0x73/0x360 [ 333.999029][T19743] __should_failslab+0x81/0x90 [ 334.033380][T19743] should_failslab+0x5/0x20 [ 334.036789][ T9516] usb usb4-port1: unable to enumerate USB device [ 334.037941][T19743] kmem_cache_alloc+0x46/0x320 [ 334.049030][T19743] __kernfs_new_node+0x73/0x360 [ 334.053890][T19743] ? kernfs_link_sibling+0x227/0x240 [ 334.059201][T19743] ? security_kernfs_init_security+0x7b/0x90 [ 334.065198][T19743] kernfs_new_node+0x5b/0xd0 [ 334.068903][T19749] VFS: unable to find oldfs superblock on device loop2 [ 334.069916][T19743] __kernfs_create_file+0x45/0x1a0 [ 334.069940][T19743] sysfs_add_file_mode_ns+0x1c1/0x250 [ 334.087232][T19743] internal_create_group+0x2e4/0x850 [ 334.092563][T19743] sysfs_create_group+0x1b/0x20 [ 334.097542][T19743] loop_configure+0xa21/0xcb0 [ 334.102226][T19743] lo_ioctl+0x555/0x11f0 [ 334.106546][T19743] ? ___cache_free+0x3c/0x2f0 [ 334.111266][T19743] ? blkdev_common_ioctl+0xa36/0x10a0 [ 334.116704][T19743] ? lo_release+0x120/0x120 [ 334.121212][T19743] blkdev_ioctl+0x1d0/0x3c0 [ 334.125762][T19743] block_ioctl+0x6d/0x80 [ 334.130041][T19743] ? blkdev_iopoll+0x70/0x70 [ 334.134648][T19743] __se_sys_ioctl+0xcb/0x140 [ 334.139257][T19743] __x64_sys_ioctl+0x3f/0x50 [ 334.144303][T19743] do_syscall_64+0x39/0x80 [ 334.148853][T19743] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 334.154773][T19743] RIP: 0033:0x466217 [ 334.158670][T19743] Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 a4 48 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 334.178354][T19743] RSP: 002b:00007f14ea25ff48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 334.186776][T19743] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 0000000000466217 [ 334.194751][T19743] RDX: 0000000000000004 RSI: 0000000000004c00 RDI: 0000000000000005 [ 334.202736][T19743] RBP: 0000000000000005 R08: 0000000000000000 R09: ffffffffffffffff 20:57:05 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x0, 0xfe, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 334.210706][T19743] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 334.219979][T19743] R13: 0000000000000004 R14: 0000000020000260 R15: 0000000000000004 [ 334.232575][T19744] CPU: 0 PID: 19744 Comm: syz-executor.4 Not tainted 5.12.0-rc5-syzkaller #0 [ 334.235735][T19743] loop0: detected capacity change from 0 to 4096 [ 334.241401][T19744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 334.241416][T19744] Call Trace: [ 334.241424][T19744] dump_stack+0x137/0x19d [ 334.265430][T19744] should_fail+0x23c/0x250 [ 334.269835][T19744] __should_failslab+0x81/0x90 [ 334.274592][T19744] ? call_usermodehelper_setup+0x81/0x160 [ 334.280300][T19744] should_failslab+0x5/0x20 [ 334.284835][T19744] kmem_cache_alloc_trace+0x49/0x340 [ 334.290178][T19744] ? add_uevent_var+0x16e/0x1c0 [ 334.295070][T19744] ? __kfree_skb+0xfe/0x150 [ 334.299614][T19744] call_usermodehelper_setup+0x81/0x160 [ 334.305179][T19744] ? add_uevent_var+0x1c0/0x1c0 [ 334.310027][T19744] kobject_uevent_env+0xb31/0xc40 [ 334.315112][T19744] kobject_uevent+0x18/0x20 [ 334.319597][T19744] loop_configure+0xb3c/0xcb0 [ 334.324264][T19744] lo_ioctl+0x555/0x11f0 [ 334.328509][T19744] ? ___cache_free+0x3c/0x2f0 [ 334.333224][T19744] ? blkdev_common_ioctl+0xa36/0x10a0 [ 334.338638][T19744] ? lo_release+0x120/0x120 [ 334.343119][T19744] blkdev_ioctl+0x1d0/0x3c0 [ 334.347698][T19744] block_ioctl+0x6d/0x80 [ 334.351947][T19744] ? blkdev_iopoll+0x70/0x70 [ 334.356524][T19744] __se_sys_ioctl+0xcb/0x140 [ 334.361116][T19744] __x64_sys_ioctl+0x3f/0x50 [ 334.365687][T19744] do_syscall_64+0x39/0x80 [ 334.370108][T19744] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 334.375984][T19744] RIP: 0033:0x466217 [ 334.379871][T19744] Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 a4 48 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 334.399462][T19744] RSP: 002b:00007fdfcb135f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 334.407867][T19744] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 0000000000466217 [ 334.415841][T19744] RDX: 0000000000000005 RSI: 0000000000004c00 RDI: 0000000000000006 [ 334.423813][T19744] RBP: 0000000000000006 R08: 0000000000000000 R09: ffffffffffffffff [ 334.431773][T19744] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 334.440413][T19744] R13: 0000000000000005 R14: 0000000020000260 R15: 0000000000000004 [ 334.464577][T19744] EXT4-fs (loop4): revision level too high, forcing read-only mode [ 334.471461][T19747] FAT-fs (loop5): bogus number of reserved sectors [ 334.476328][T19744] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: writeback. [ 334.506759][T19747] FAT-fs (loop5): Can't find a valid FAT filesystem 20:57:06 executing program 4 (fault-call:3 fault-nth:39): r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 334.523073][T19743] EXT4-fs (loop0): revision level too high, forcing read-only mode [ 334.544075][T19743] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: writeback. 20:57:06 executing program 0 (fault-call:1 fault-nth:30): pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[]) [ 334.580629][T19747] loop5: detected capacity change from 0 to 86 [ 334.587491][T19768] loop2: detected capacity change from 0 to 514 [ 334.594057][T19770] loop1: detected capacity change from 0 to 185708 [ 334.610263][T19747] FAT-fs (loop5): bogus number of reserved sectors [ 334.616861][T19770] FAT-fs (loop1): Unrecognized mount option "flÕ" or missing value 20:57:06 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0xad03, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 334.625850][T19747] FAT-fs (loop5): Can't find a valid FAT filesystem [ 334.666036][T19786] loop4: detected capacity change from 0 to 4096 [ 334.675907][T19786] FAULT_INJECTION: forcing a failure. [ 334.675907][T19786] name failslab, interval 1, probability 0, space 0, times 0 [ 334.688826][T19786] CPU: 0 PID: 19786 Comm: syz-executor.4 Not tainted 5.12.0-rc5-syzkaller #0 [ 334.697594][T19786] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 334.707943][T19786] Call Trace: [ 334.711225][T19786] dump_stack+0x137/0x19d [ 334.715580][T19786] should_fail+0x23c/0x250 [ 334.720036][T19786] ? getname_flags+0x84/0x3d0 [ 334.724744][T19786] __should_failslab+0x81/0x90 [ 334.729567][T19786] should_failslab+0x5/0x20 [ 334.734143][T19786] kmem_cache_alloc+0x46/0x320 [ 334.738912][T19786] getname_flags+0x84/0x3d0 [ 334.743411][T19786] do_mkdirat+0x3a/0x230 [ 334.747731][T19786] __x64_sys_mkdir+0x32/0x40 [ 334.752333][T19786] do_syscall_64+0x39/0x80 [ 334.756750][T19786] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 334.762673][T19786] RIP: 0033:0x465567 [ 334.766561][T19786] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 334.786173][T19786] RSP: 002b:00007fdfcb135fa8 EFLAGS: 00000213 ORIG_RAX: 0000000000000053 [ 334.794593][T19786] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000465567 [ 334.802617][T19786] RDX: 0000000000000005 RSI: 00000000000001ff RDI: 0000000020000100 20:57:06 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40410, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) [ 334.810700][T19786] RBP: 00007fdfcb136040 R08: 0000000000000000 R09: ffffffffffffffff [ 334.818677][T19786] R10: 0000000000000000 R11: 0000000000000213 R12: 0000000020000000 [ 334.826651][T19786] R13: 0000000020000100 R14: 00007fdfcb136000 R15: 0000000020000040 [ 334.864035][T19770] loop1: detected capacity change from 0 to 185708 [ 334.865290][T19795] FAULT_INJECTION: forcing a failure. [ 334.865290][T19795] name failslab, interval 1, probability 0, space 0, times 0 [ 334.871690][T19770] FAT-fs (loop1): Unrecognized mount option "flÕ" or missing value [ 334.896384][T19795] CPU: 0 PID: 19795 Comm: syz-executor.0 Not tainted 5.12.0-rc5-syzkaller #0 [ 334.896948][T19796] loop5: detected capacity change from 0 to 86 20:57:06 executing program 3: openat(0xffffffffffffffff, 0x0, 0x0, 0x0) r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000080)={{0x12, 0x1, 0x0, 0xf6, 0xbe, 0xd8, 0x8, 0xc72, 0xd, 0x9bc9, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x9b, 0x10, 0x39}}]}}]}}, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000840)={0x44, &(0x7f0000000000)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io(r0, &(0x7f0000000380)={0x2c, &(0x7f00000000c0)={0x40, 0x0, 0x96, {0x96, 0x21, "4582bb44ca7593dfcf1def10e08f6af9fac213cdfc5f676e21a52f3a26fdd75968914936125c25309fc3ab3794514edc3552080773f464ffe5bc59d1370469caf9a8fb9f03684d0f1a7deadb1793500496fb8c1beee71ee044659cde8c39c14ebd4ba1509b57212233e7e08b9ea0ff9de4ae3c80c0414b69c2e1e4e32e7d1ba221846dd664594b7d8f32cf1e3cc70b04a7d7787a"}}, &(0x7f0000000180)={0x0, 0x3, 0xde, @string={0xde, 0x3, "67c1e9d45a1072ea9a940511d56c7da5636bc49005ddbcb09de69be9ac2ed8dca4b3328ae955119aed1f60f91fc0daa56f105e2eba374fd9421dfeede756730328b47b527188d3c47482f6dc969f295859191e30cd44c6d29859d1ca121b189174afa88056e36d1770d7c273072353f678795fdb2afa9da42a7b1d9b7850f0d727e341fe1eba387e6ef786b406932003d3474f394b4ce6ff47589c714ff1d373849c7f8477d1101825e10fc26d62d026ebf4d1dea7cbd002f208a62d2abb5692943b338927b4bfe642af82a9c309890e1c23077f473eb30c4d7ad5ae"}}, &(0x7f0000000280)={0x0, 0xf, 0xed, {0x5, 0xf, 0xed, 0x3, [@generic={0xbe, 0x10, 0x2, "b41e258fdce57acf7c2226c251b95d86695870c57a7a8cafef2bf2eb5f39e9c8611a16f9ca145bc22d81bb7bcfc84f87548dcee1501817ad2e2a9d430983d2f74b141da64e07d31a4015f87cf9f6aa2e269945fae49e98dc52a9e0167c02da8b789f16efff9acf15b311b4ff68cd3934551a62e9f2eda60f551a35d5b444b347fe6c2e4a427c3b2460f3a790b52549627aeafd12eaf81e564747da5ba1aba91ee199e16b947d2477c69f145c6d43062f789ad8554775e2cfb7ed1d"}, @ssp_cap={0x20, 0x10, 0xa, 0x8, 0x5, 0xfff, 0xf00f, 0x40, [0xff000f, 0xc030, 0x0, 0x3f00, 0xffc0c0]}, @ss_cap={0xa, 0x10, 0x3, 0x0, 0x9, 0x6, 0x17, 0x3}]}}, &(0x7f0000000000)={0x20, 0x29, 0xf, {0xf, 0x29, 0x59, 0x2, 0xff, 0x7, "09899e45", "7ca83a3a"}}, &(0x7f0000000040)={0x20, 0x2a, 0xc, {0xc, 0x2a, 0x32, 0x10, 0xff, 0xd9, 0x10, 0x7, 0x30b}}}, &(0x7f0000000900)={0x84, &(0x7f00000003c0)={0x0, 0x30, 0x7b, "af68fac75a23b5b885f966b92270f89b52ca34efab130004a6d91b9e7b5bfc680a5d0c09b8f9fcb657388a5be3f9f724b7e0587bd4987bef5390aedeccd9f3ed1dcf31dd150c2810073c756734e3639cd6819bffa5c6f015b09729b1a66c53279c80dd36df3b7c1c6884716254cbdc3bcfdbd34b6cb1e1b257c3a3"}, &(0x7f0000000480)={0x0, 0xa, 0x1, 0x6}, &(0x7f00000004c0)={0x0, 0x8, 0x1, 0x4}, &(0x7f0000000500)={0x20, 0x0, 0x4, {0x0, 0x2}}, &(0x7f0000000540)={0x20, 0x0, 0x8, {0x160, 0x1, [0xf]}}, &(0x7f0000000580)={0x40, 0x7, 0x2, 0x3ff}, &(0x7f00000005c0)={0x40, 0x9, 0x1, 0x1f}, &(0x7f0000000600)={0x40, 0xb, 0x2, "261a"}, &(0x7f0000000640)={0x40, 0xf, 0x2, 0x7}, &(0x7f0000000680)={0x40, 0x13, 0x6, @multicast}, &(0x7f00000006c0)={0x40, 0x17, 0x6, @link_local}, &(0x7f0000000700)={0x40, 0x19, 0x2, "378e"}, &(0x7f0000000740)={0x40, 0x1a, 0x2, 0xdd96}, &(0x7f0000000780)={0x40, 0x1c, 0x1, 0x8}, &(0x7f00000007c0)={0x40, 0x1e, 0x1, 0x6}, &(0x7f0000000800)={0x40, 0x21, 0x1, 0x5}}) [ 334.905211][T19795] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 334.905225][T19795] Call Trace: [ 334.905234][T19795] dump_stack+0x137/0x19d [ 334.905311][T19795] should_fail+0x23c/0x250 [ 334.905332][T19795] ? __kernfs_new_node+0x73/0x360 [ 334.918932][T19796] FAT-fs (loop5): bogus number of reserved sectors [ 334.921579][T19795] __should_failslab+0x81/0x90 [ 334.921605][T19795] should_failslab+0x5/0x20 [ 334.921627][T19795] kmem_cache_alloc+0x46/0x320 [ 334.921645][T19795] __kernfs_new_node+0x73/0x360 [ 334.921669][T19795] ? kernfs_link_sibling+0x227/0x240 [ 334.924982][T19796] FAT-fs (loop5): Can't find a valid FAT filesystem [ 334.929262][T19795] kernfs_new_node+0x5b/0xd0 [ 334.929328][T19795] __kernfs_create_file+0x45/0x1a0 [ 334.985605][T19795] sysfs_add_file_mode_ns+0x1c1/0x250 [ 334.991050][T19795] internal_create_group+0x2e4/0x850 [ 334.996390][T19795] sysfs_create_group+0x1b/0x20 [ 335.001219][T19795] loop_configure+0xa21/0xcb0 [ 335.005922][T19795] lo_ioctl+0x555/0x11f0 [ 335.010157][T19795] ? ___cache_free+0x3c/0x2f0 [ 335.014816][T19795] ? blkdev_common_ioctl+0xa36/0x10a0 [ 335.020191][T19795] ? lo_release+0x120/0x120 [ 335.024696][T19795] blkdev_ioctl+0x1d0/0x3c0 [ 335.029217][T19795] block_ioctl+0x6d/0x80 [ 335.033492][T19795] ? blkdev_iopoll+0x70/0x70 [ 335.038077][T19795] __se_sys_ioctl+0xcb/0x140 [ 335.042722][T19795] __x64_sys_ioctl+0x3f/0x50 [ 335.047374][T19795] do_syscall_64+0x39/0x80 [ 335.051868][T19795] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 335.057815][T19795] RIP: 0033:0x466217 [ 335.061746][T19795] Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 a4 48 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 335.081362][T19795] RSP: 002b:00007f14ea25ff48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 335.089914][T19795] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 0000000000466217 [ 335.097893][T19795] RDX: 0000000000000004 RSI: 0000000000004c00 RDI: 0000000000000005 [ 335.105859][T19795] RBP: 0000000000000005 R08: 0000000000000000 R09: ffffffffffffffff 20:57:06 executing program 4 (fault-call:3 fault-nth:40): r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 335.113818][T19795] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 335.122745][T19795] R13: 0000000000000004 R14: 0000000020000260 R15: 0000000000000004 [ 335.132797][T19795] loop0: detected capacity change from 0 to 4096 20:57:06 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x0, 0x204, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 335.165149][T19796] loop5: detected capacity change from 0 to 86 [ 335.174673][T19796] FAT-fs (loop5): bogus number of reserved sectors [ 335.183349][T19795] EXT4-fs (loop0): revision level too high, forcing read-only mode [ 335.193650][T19796] FAT-fs (loop5): Can't find a valid FAT filesystem [ 335.207969][T19795] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: writeback. [ 335.224310][T19813] loop4: detected capacity change from 0 to 4096 [ 335.234818][T19813] FAULT_INJECTION: forcing a failure. [ 335.234818][T19813] name failslab, interval 1, probability 0, space 0, times 0 [ 335.247787][ T9516] usb 4-1: new high-speed USB device number 88 using dummy_hcd [ 335.266579][T19813] CPU: 1 PID: 19813 Comm: syz-executor.4 Not tainted 5.12.0-rc5-syzkaller #0 [ 335.275388][T19813] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 335.285447][T19813] Call Trace: [ 335.288831][T19813] dump_stack+0x137/0x19d [ 335.293213][T19813] should_fail+0x23c/0x250 [ 335.297630][T19813] ? getname_flags+0x84/0x3d0 [ 335.302310][T19813] __should_failslab+0x81/0x90 [ 335.307109][T19813] should_failslab+0x5/0x20 [ 335.311621][T19813] kmem_cache_alloc+0x46/0x320 [ 335.316389][T19813] getname_flags+0x84/0x3d0 [ 335.321076][T19813] do_mkdirat+0x3a/0x230 [ 335.325323][T19813] __x64_sys_mkdir+0x32/0x40 [ 335.327555][T19822] loop1: detected capacity change from 0 to 185708 [ 335.329924][T19813] do_syscall_64+0x39/0x80 [ 335.340866][T19813] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 335.346773][T19813] RIP: 0033:0x465567 [ 335.351158][T19813] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 335.366836][T19822] FAT-fs (loop1): Unrecognized mount option "flÕ" or missing value [ 335.370807][T19813] RSP: 002b:00007fdfcb135fa8 EFLAGS: 00000213 ORIG_RAX: 0000000000000053 [ 335.382368][T19821] VFS: unable to find oldfs superblock on device loop2 [ 335.387195][T19813] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000465567 [ 335.387211][T19813] RDX: 0000000000000005 RSI: 00000000000001ff RDI: 0000000020000100 20:57:06 executing program 0 (fault-call:1 fault-nth:31): pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[]) 20:57:06 executing program 4 (fault-call:3 fault-nth:41): r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:57:06 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0xae03, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 335.387224][T19813] RBP: 00007fdfcb136040 R08: 0000000000000000 R09: ffffffffffffffff [ 335.417991][T19813] R10: 0000000000000000 R11: 0000000000000213 R12: 0000000020000000 [ 335.425970][T19813] R13: 0000000020000100 R14: 00007fdfcb136000 R15: 0000000020000040 [ 335.501609][T19821] loop2: detected capacity change from 0 to 514 [ 335.508078][T19822] loop1: detected capacity change from 0 to 185708 [ 335.529030][T19822] FAT-fs (loop1): Unrecognized mount option "flÕ" or missing value [ 335.539543][T19842] loop4: detected capacity change from 0 to 4096 [ 335.546083][T19842] FAULT_INJECTION: forcing a failure. [ 335.546083][T19842] name failslab, interval 1, probability 0, space 0, times 0 [ 335.552358][T19840] FAULT_INJECTION: forcing a failure. [ 335.552358][T19840] name failslab, interval 1, probability 0, space 0, times 0 [ 335.574620][T19842] CPU: 1 PID: 19842 Comm: syz-executor.4 Not tainted 5.12.0-rc5-syzkaller #0 [ 335.579772][T19849] loop5: detected capacity change from 0 to 87 [ 335.583449][T19842] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 335.583465][T19842] Call Trace: [ 335.583474][T19842] dump_stack+0x137/0x19d [ 335.596994][T19849] FAT-fs (loop5): bogus number of reserved sectors [ 335.599664][T19842] should_fail+0x23c/0x250 [ 335.599689][T19842] ? __d_alloc+0x36/0x370 [ 335.606273][T19849] FAT-fs (loop5): Can't find a valid FAT filesystem [ 335.607285][T19842] __should_failslab+0x81/0x90 [ 335.607309][T19842] should_failslab+0x5/0x20 [ 335.638298][T19842] kmem_cache_alloc+0x46/0x320 [ 335.643111][T19842] __d_alloc+0x36/0x370 [ 335.647271][T19842] d_alloc+0x2a/0x110 [ 335.651313][T19842] __lookup_hash+0x8f/0x180 [ 335.655815][T19842] filename_create+0xdb/0x3c0 [ 335.660525][T19842] do_mkdirat+0x5a/0x230 [ 335.664783][T19842] __x64_sys_mkdir+0x32/0x40 [ 335.669387][T19842] do_syscall_64+0x39/0x80 [ 335.673809][T19842] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 335.679707][T19842] RIP: 0033:0x465567 [ 335.683612][T19842] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 335.703248][T19842] RSP: 002b:00007fdfcb135fa8 EFLAGS: 00000213 ORIG_RAX: 0000000000000053 [ 335.711665][T19842] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000465567 [ 335.719725][T19842] RDX: 0000000000000005 RSI: 00000000000001ff RDI: 0000000020000100 [ 335.727692][T19842] RBP: 00007fdfcb136040 R08: 0000000000000000 R09: ffffffffffffffff [ 335.735834][T19842] R10: 0000000000000000 R11: 0000000000000213 R12: 0000000020000000 [ 335.743803][T19842] R13: 0000000020000100 R14: 00007fdfcb136000 R15: 0000000020000040 [ 335.751778][T19840] CPU: 0 PID: 19840 Comm: syz-executor.0 Not tainted 5.12.0-rc5-syzkaller #0 [ 335.760715][T19840] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 335.770804][T19840] Call Trace: [ 335.774082][T19840] dump_stack+0x137/0x19d [ 335.778398][T19840] should_fail+0x23c/0x250 [ 335.782817][T19840] ? __kernfs_new_node+0x73/0x360 [ 335.787881][T19840] __should_failslab+0x81/0x90 [ 335.792644][T19840] should_failslab+0x5/0x20 [ 335.797198][T19840] kmem_cache_alloc+0x46/0x320 [ 335.801951][T19840] __kernfs_new_node+0x73/0x360 [ 335.806701][ T9516] usb 4-1: Using ep0 maxpacket: 8 [ 335.806790][T19840] ? kcsan_setup_watchpoint+0x26e/0x470 [ 335.817334][T19840] ? rb_insert_color+0x2fa/0x310 [ 335.822279][T19840] kernfs_new_node+0x5b/0xd0 [ 335.826878][T19840] __kernfs_create_file+0x45/0x1a0 [ 335.831990][T19840] sysfs_add_file_mode_ns+0x1c1/0x250 [ 335.837362][T19840] internal_create_group+0x2e4/0x850 [ 335.842650][T19840] sysfs_create_group+0x1b/0x20 [ 335.847541][T19840] loop_configure+0xa21/0xcb0 [ 335.852255][T19840] lo_ioctl+0x555/0x11f0 [ 335.856489][T19840] ? ___cache_free+0x3c/0x2f0 [ 335.861157][T19840] ? blkdev_common_ioctl+0xa36/0x10a0 [ 335.866533][T19840] ? lo_release+0x120/0x120 [ 335.871049][T19840] blkdev_ioctl+0x1d0/0x3c0 [ 335.875553][T19840] block_ioctl+0x6d/0x80 [ 335.879779][T19840] ? blkdev_iopoll+0x70/0x70 [ 335.884405][T19840] __se_sys_ioctl+0xcb/0x140 [ 335.889083][T19840] __x64_sys_ioctl+0x3f/0x50 [ 335.893666][T19840] do_syscall_64+0x39/0x80 [ 335.898065][T19840] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 335.903946][T19840] RIP: 0033:0x466217 [ 335.907819][T19840] Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 a4 48 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 335.927421][T19840] RSP: 002b:00007f14ea25ff48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 335.929163][ T9516] usb 4-1: New USB device found, idVendor=0c72, idProduct=000d, bcdDevice=9b.c9 [ 335.935849][T19840] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 0000000000466217 [ 335.935866][T19840] RDX: 0000000000000004 RSI: 0000000000004c00 RDI: 0000000000000005 [ 335.935879][T19840] RBP: 0000000000000005 R08: 0000000000000000 R09: ffffffffffffffff [ 335.945003][ T9516] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 335.952845][T19840] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 335.952863][T19840] R13: 0000000000000004 R14: 0000000020000260 R15: 0000000000000004 [ 335.954156][T19840] loop0: detected capacity change from 0 to 4096 [ 335.970222][ T9516] usb 4-1: config 0 descriptor?? 20:57:07 executing program 4 (fault-call:3 fault-nth:42): r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:57:07 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x0, 0x300, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 336.027354][T19840] EXT4-fs (loop0): revision level too high, forcing read-only mode [ 336.039369][T19860] loop2: detected capacity change from 0 to 514 [ 336.045154][T19840] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: writeback. [ 336.045763][T19849] loop5: detected capacity change from 0 to 87 [ 336.065119][T19860] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! 20:57:07 executing program 0 (fault-call:1 fault-nth:32): pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[]) [ 336.098107][T19860] EXT4-fs (loop2): group descriptors corrupted! [ 336.105592][T19849] FAT-fs (loop5): bogus number of reserved sectors [ 336.110258][T19871] loop4: detected capacity change from 0 to 4096 [ 336.121828][T19849] FAT-fs (loop5): Can't find a valid FAT filesystem [ 336.128610][T19871] FAULT_INJECTION: forcing a failure. [ 336.128610][T19871] name failslab, interval 1, probability 0, space 0, times 0 [ 336.144414][T19873] loop1: detected capacity change from 0 to 185708 [ 336.154458][T19873] FAT-fs (loop1): Unrecognized mount option "flÕ" or missing value [ 336.177108][T19871] CPU: 0 PID: 19871 Comm: syz-executor.4 Not tainted 5.12.0-rc5-syzkaller #0 [ 336.186013][T19871] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 20:57:07 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0xaf03, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 336.196070][T19871] Call Trace: [ 336.199346][T19871] dump_stack+0x137/0x19d [ 336.203687][T19871] should_fail+0x23c/0x250 [ 336.208102][T19871] __should_failslab+0x81/0x90 [ 336.212928][T19871] ? tomoyo_realpath_from_path+0x98/0x3b0 [ 336.218655][T19871] should_failslab+0x5/0x20 [ 336.223160][T19871] __kmalloc+0x66/0x380 [ 336.227318][T19871] ? ext4_bread_batch+0x2b5/0x3e0 [ 336.232349][T19871] tomoyo_realpath_from_path+0x98/0x3b0 [ 336.237959][T19871] tomoyo_path_number_perm+0xc1/0x2d0 [ 336.243339][T19871] ? _raw_spin_unlock+0x22/0x40 [ 336.248269][T19871] ? __d_add+0x390/0x450 [ 336.252510][T19871] ? terminate_walk+0x24e/0x270 [ 336.257421][T19871] ? filename_create+0x36f/0x3c0 [ 336.262507][T19871] tomoyo_path_mkdir+0x50/0x70 [ 336.267295][T19871] security_path_mkdir+0x95/0xf0 [ 336.272337][T19871] do_mkdirat+0xf7/0x230 [ 336.276580][T19871] __x64_sys_mkdir+0x32/0x40 [ 336.281179][T19871] do_syscall_64+0x39/0x80 [ 336.285620][T19871] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 336.290626][T19881] FAULT_INJECTION: forcing a failure. [ 336.290626][T19881] name failslab, interval 1, probability 0, space 0, times 0 [ 336.292039][T19871] RIP: 0033:0x465567 [ 336.308507][T19871] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 336.328128][T19871] RSP: 002b:00007fdfcb135fa8 EFLAGS: 00000213 ORIG_RAX: 0000000000000053 [ 336.336544][T19871] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000465567 20:57:07 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40500, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) [ 336.344583][T19871] RDX: 0000000000000005 RSI: 00000000000001ff RDI: 0000000020000100 [ 336.352552][T19871] RBP: 00007fdfcb136040 R08: 0000000000000000 R09: ffffffffffffffff [ 336.360521][T19871] R10: 0000000000000000 R11: 0000000000000213 R12: 0000000020000000 [ 336.368491][T19871] R13: 0000000020000100 R14: 00007fdfcb136000 R15: 0000000020000040 [ 336.376542][T19881] CPU: 1 PID: 19881 Comm: syz-executor.0 Not tainted 5.12.0-rc5-syzkaller #0 [ 336.385320][T19881] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 336.390551][T19871] ERROR: Out of memory at tomoyo_realpath_from_path. [ 336.395424][T19881] Call Trace: [ 336.395435][T19881] dump_stack+0x137/0x19d [ 336.395468][T19881] should_fail+0x23c/0x250 [ 336.395486][T19881] ? __kernfs_new_node+0x73/0x360 [ 336.395510][T19881] __should_failslab+0x81/0x90 [ 336.423970][T19881] should_failslab+0x5/0x20 [ 336.428600][T19881] kmem_cache_alloc+0x46/0x320 [ 336.433405][T19881] __kernfs_new_node+0x73/0x360 [ 336.438240][T19881] ? kernfs_link_sibling+0x227/0x240 [ 336.443525][T19881] kernfs_new_node+0x5b/0xd0 [ 336.448181][T19881] __kernfs_create_file+0x45/0x1a0 [ 336.453276][T19881] sysfs_add_file_mode_ns+0x1c1/0x250 [ 336.458739][T19881] internal_create_group+0x2e4/0x850 [ 336.464019][T19881] sysfs_create_group+0x1b/0x20 [ 336.468898][T19881] loop_configure+0xa21/0xcb0 [ 336.473572][T19881] lo_ioctl+0x555/0x11f0 [ 336.477880][T19881] ? ___cache_free+0x3c/0x2f0 [ 336.482585][T19881] ? blkdev_common_ioctl+0xa36/0x10a0 [ 336.487970][T19881] ? lo_release+0x120/0x120 [ 336.492505][T19881] blkdev_ioctl+0x1d0/0x3c0 [ 336.497029][T19881] block_ioctl+0x6d/0x80 [ 336.501294][T19881] ? blkdev_iopoll+0x70/0x70 [ 336.505897][T19881] __se_sys_ioctl+0xcb/0x140 [ 336.510468][T19881] __x64_sys_ioctl+0x3f/0x50 [ 336.515046][T19881] do_syscall_64+0x39/0x80 [ 336.519498][T19881] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 336.525505][T19881] RIP: 0033:0x466217 [ 336.529400][T19881] Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 a4 48 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 336.549063][T19881] RSP: 002b:00007f14ea25ff48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 336.557541][T19881] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 0000000000466217 [ 336.565507][T19881] RDX: 0000000000000004 RSI: 0000000000004c00 RDI: 0000000000000005 [ 336.573487][T19881] RBP: 0000000000000005 R08: 0000000000000000 R09: ffffffffffffffff [ 336.581467][T19881] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 336.589491][T19881] R13: 0000000000000004 R14: 0000000020000260 R15: 0000000000000004 [ 336.599377][T19881] loop0: detected capacity change from 0 to 4096 [ 336.644395][T19871] EXT4-fs (loop4): revision level too high, forcing read-only mode [ 336.644424][T19881] EXT4-fs (loop0): revision level too high, forcing read-only mode [ 336.660594][T19873] loop1: detected capacity change from 0 to 185708 [ 336.661128][T19871] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: writeback. [ 336.670546][T19873] FAT-fs (loop1): Unrecognized mount option "flÕ" or missing value 20:57:08 executing program 4 (fault-call:3 fault-nth:43): r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 336.687050][T19881] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: writeback. [ 336.690229][T19895] loop5: detected capacity change from 0 to 87 [ 336.702866][T19893] VFS: unable to find oldfs superblock on device loop2 [ 336.729854][T19895] FAT-fs (loop5): bogus number of reserved sectors [ 336.738809][T19895] FAT-fs (loop5): Can't find a valid FAT filesystem [ 336.754231][T19893] loop2: detected capacity change from 0 to 514 [ 336.770781][T19895] loop5: detected capacity change from 0 to 87 [ 336.770849][T19893] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 336.778584][T19895] FAT-fs (loop5): bogus number of reserved sectors [ 336.795806][T19910] loop4: detected capacity change from 0 to 4096 [ 336.802475][T19893] EXT4-fs (loop2): group descriptors corrupted! [ 336.810762][T19895] FAT-fs (loop5): Can't find a valid FAT filesystem [ 336.810845][T19910] FAULT_INJECTION: forcing a failure. [ 336.810845][T19910] name failslab, interval 1, probability 0, space 0, times 0 [ 336.833783][T19910] CPU: 1 PID: 19910 Comm: syz-executor.4 Not tainted 5.12.0-rc5-syzkaller #0 [ 336.842595][T19910] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 336.852675][T19910] Call Trace: [ 336.855952][T19910] dump_stack+0x137/0x19d [ 336.860290][T19910] should_fail+0x23c/0x250 [ 336.864709][T19910] __should_failslab+0x81/0x90 [ 336.869499][T19910] ? tomoyo_encode2+0x1d3/0x350 [ 336.874364][T19910] should_failslab+0x5/0x20 [ 336.878891][T19910] __kmalloc+0x66/0x380 [ 336.883046][T19910] tomoyo_encode2+0x1d3/0x350 [ 336.887752][T19910] tomoyo_realpath_from_path+0x35e/0x3b0 [ 336.893375][T19910] tomoyo_path_number_perm+0xc1/0x2d0 [ 336.898776][T19910] ? _raw_spin_unlock+0x22/0x40 [ 336.903624][T19910] ? __d_add+0x390/0x450 [ 336.907915][T19910] ? terminate_walk+0x24e/0x270 [ 336.912814][T19910] ? filename_create+0x36f/0x3c0 [ 336.917801][T19910] tomoyo_path_mkdir+0x50/0x70 [ 336.922551][T19910] security_path_mkdir+0x95/0xf0 [ 336.927530][T19910] do_mkdirat+0xf7/0x230 [ 336.931757][T19910] __x64_sys_mkdir+0x32/0x40 [ 336.936325][T19910] do_syscall_64+0x39/0x80 [ 336.940720][T19910] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 336.946634][T19910] RIP: 0033:0x465567 [ 336.950526][T19910] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 336.970138][T19910] RSP: 002b:00007fdfcb135fa8 EFLAGS: 00000213 ORIG_RAX: 0000000000000053 [ 336.978555][T19910] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000465567 [ 336.986542][T19910] RDX: 0000000000000005 RSI: 00000000000001ff RDI: 0000000020000100 [ 336.994518][T19910] RBP: 00007fdfcb136040 R08: 0000000000000000 R09: ffffffffffffffff [ 337.002538][T19910] R10: 0000000000000000 R11: 0000000000000213 R12: 0000000020000000 [ 337.010516][T19910] R13: 0000000020000100 R14: 00007fdfcb136000 R15: 0000000020000040 [ 337.020796][T19910] ERROR: Out of memory at tomoyo_realpath_from_path. [ 337.024198][ T9516] peak_usb 4-1:0.0 can0: unable to request usb[type=2 value=5] err=-71 [ 337.079412][ T9516] peak_usb: probe of 4-1:0.0 failed with error -71 [ 337.092385][ T9516] usb 4-1: USB disconnect, device number 88 [ 337.110704][T19910] EXT4-fs (loop4): revision level too high, forcing read-only mode [ 337.119810][T19910] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: writeback. [ 337.158781][T19926] loop2: detected capacity change from 0 to 514 [ 337.166192][T19926] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 337.178547][T19926] EXT4-fs (loop2): group descriptors corrupted! [ 337.696678][ T9516] usb 4-1: new high-speed USB device number 89 using dummy_hcd 20:57:09 executing program 3: openat(0xffffffffffffffff, 0x0, 0x0, 0x0) r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000080)={{0x12, 0x1, 0x0, 0xf6, 0xbe, 0xd8, 0x8, 0xc72, 0xd, 0x9bc9, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x9b, 0x10, 0x39}}]}}]}}, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000840)={0x84, &(0x7f0000000000)=ANY=[@ANYRESHEX, @ANYRESDEC=r0], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) 20:57:09 executing program 0 (fault-call:1 fault-nth:33): pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[]) 20:57:09 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x0, 0x402, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:57:09 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0xb003, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:57:09 executing program 4 (fault-call:3 fault-nth:44): r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:57:09 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40600, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) [ 337.878346][T19967] loop5: detected capacity change from 0 to 88 [ 337.885041][T19964] loop1: detected capacity change from 0 to 185708 [ 337.895572][T19967] FAT-fs (loop5): bogus number of reserved sectors [ 337.907985][T19964] FAT-fs (loop1): Unrecognized mount option "flÕ" or missing value [ 337.907993][T19971] loop0: detected capacity change from 0 to 4096 [ 337.908008][T19971] FAULT_INJECTION: forcing a failure. [ 337.908008][T19971] name failslab, interval 1, probability 0, space 0, times 0 [ 337.908026][T19971] CPU: 0 PID: 19971 Comm: syz-executor.0 Not tainted 5.12.0-rc5-syzkaller #0 [ 337.916308][T19967] FAT-fs (loop5): Can't find a valid FAT filesystem [ 337.922403][T19971] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 337.922418][T19971] Call Trace: [ 337.922427][T19971] dump_stack+0x137/0x19d [ 337.922453][T19971] should_fail+0x23c/0x250 [ 337.922472][T19971] __should_failslab+0x81/0x90 [ 337.922490][T19971] ? kobject_uevent_env+0x1a7/0xc40 [ 337.980329][T19972] loop4: detected capacity change from 0 to 4096 [ 337.982482][T19971] should_failslab+0x5/0x20 [ 337.989539][T19972] FAULT_INJECTION: forcing a failure. [ 337.989539][T19972] name failslab, interval 1, probability 0, space 0, times 0 [ 337.993319][T19971] kmem_cache_alloc_trace+0x49/0x340 [ 337.993344][T19971] ? vprintk_func+0x11b/0x120 [ 338.015838][T19971] ? dev_uevent_filter+0x70/0x70 [ 338.020781][T19971] kobject_uevent_env+0x1a7/0xc40 [ 338.025976][T19971] kobject_uevent+0x18/0x20 [ 338.030496][T19971] loop_configure+0xb3c/0xcb0 [ 338.035190][T19971] lo_ioctl+0x555/0x11f0 [ 338.039460][T19971] ? ___cache_free+0x3c/0x2f0 [ 338.044171][T19971] ? blkdev_common_ioctl+0xa36/0x10a0 [ 338.049554][T19971] ? lo_release+0x120/0x120 [ 338.054053][T19971] blkdev_ioctl+0x1d0/0x3c0 [ 338.058614][T19971] block_ioctl+0x6d/0x80 [ 338.062859][T19971] ? blkdev_iopoll+0x70/0x70 [ 338.067527][T19971] __se_sys_ioctl+0xcb/0x140 [ 338.072210][T19971] __x64_sys_ioctl+0x3f/0x50 [ 338.076891][T19971] do_syscall_64+0x39/0x80 [ 338.081313][T19971] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 338.087221][T19971] RIP: 0033:0x466217 [ 338.091112][T19971] Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 a4 48 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 338.110722][T19971] RSP: 002b:00007f14ea25ff48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 338.119185][T19971] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 0000000000466217 [ 338.127160][T19971] RDX: 0000000000000004 RSI: 0000000000004c00 RDI: 0000000000000005 [ 338.135289][T19971] RBP: 0000000000000005 R08: 0000000000000000 R09: ffffffffffffffff [ 338.143266][T19971] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 338.151245][T19971] R13: 0000000000000004 R14: 0000000020000260 R15: 0000000000000004 [ 338.159279][T19972] CPU: 1 PID: 19972 Comm: syz-executor.4 Not tainted 5.12.0-rc5-syzkaller #0 [ 338.168084][T19972] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 338.178137][T19972] Call Trace: [ 338.179666][T19975] VFS: unable to find oldfs superblock on device loop2 [ 338.181552][T19972] dump_stack+0x137/0x19d [ 338.181582][T19972] should_fail+0x23c/0x250 [ 338.181600][T19972] ? ext4_alloc_inode+0x27/0x300 [ 338.181658][T19972] __should_failslab+0x81/0x90 [ 338.181678][T19972] ? set_qf_name+0x230/0x230 [ 338.181695][T19972] should_failslab+0x5/0x20 [ 338.181718][T19972] kmem_cache_alloc+0x46/0x320 [ 338.220794][T19972] ? set_qf_name+0x230/0x230 [ 338.225385][T19972] ext4_alloc_inode+0x27/0x300 [ 338.230163][T19972] ? set_qf_name+0x230/0x230 [ 338.234747][T19972] new_inode_pseudo+0x38/0x190 [ 338.239531][T19972] new_inode+0x21/0x100 [ 338.243695][T19972] __ext4_new_inode+0x132/0x2fe0 [ 338.248708][T19972] ? __dquot_initialize+0x130/0x750 [ 338.253912][T19972] ? make_kuid+0x121/0x180 [ 338.258375][T19972] ext4_mkdir+0x28a/0x760 [ 338.262796][T19972] vfs_mkdir+0x135/0x1f0 [ 338.267049][T19972] do_mkdirat+0x147/0x230 [ 338.271464][T19972] __x64_sys_mkdir+0x32/0x40 [ 338.276051][T19972] do_syscall_64+0x39/0x80 [ 338.280482][T19972] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 338.286401][T19972] RIP: 0033:0x465567 [ 338.290373][T19972] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 338.310051][T19972] RSP: 002b:00007fdfcb135fa8 EFLAGS: 00000213 ORIG_RAX: 0000000000000053 [ 338.318552][T19972] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000465567 [ 338.326531][T19972] RDX: 0000000000000005 RSI: 00000000000001ff RDI: 0000000020000100 [ 338.334571][T19972] RBP: 00007fdfcb136040 R08: 0000000000000000 R09: ffffffffffffffff [ 338.342541][T19972] R10: 0000000000000000 R11: 0000000000000213 R12: 0000000020000000 [ 338.350517][T19972] R13: 0000000020000100 R14: 00007fdfcb136000 R15: 0000000020000040 [ 338.385413][T19971] EXT4-fs (loop0): revision level too high, forcing read-only mode [ 338.394180][T19971] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: writeback. [ 338.411312][ T9516] usb 4-1: Using ep0 maxpacket: 8 [ 338.418407][T19982] loop2: detected capacity change from 0 to 515 [ 338.425865][T19982] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! 20:57:09 executing program 0 (fault-call:1 fault-nth:34): pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[]) 20:57:09 executing program 4 (fault-call:3 fault-nth:45): r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 338.440797][T19967] loop5: detected capacity change from 0 to 88 [ 338.447565][T19964] loop1: detected capacity change from 0 to 185708 [ 338.447909][T19982] EXT4-fs (loop2): group descriptors corrupted! [ 338.464825][T19967] FAT-fs (loop5): bogus number of reserved sectors [ 338.482922][T19967] FAT-fs (loop5): Can't find a valid FAT filesystem [ 338.489369][T19964] FAT-fs (loop1): Unrecognized mount option "flÕ" or missing value [ 338.516600][T19995] loop4: detected capacity change from 0 to 4096 [ 338.525996][T19995] FAULT_INJECTION: forcing a failure. [ 338.525996][T19995] name failslab, interval 1, probability 0, space 0, times 0 [ 338.526826][ T9516] usb 4-1: New USB device found, idVendor=0c72, idProduct=000d, bcdDevice=9b.c9 [ 338.547050][T19995] CPU: 0 PID: 19995 Comm: syz-executor.4 Not tainted 5.12.0-rc5-syzkaller #0 [ 338.556578][T19995] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 338.566710][T19995] Call Trace: [ 338.570019][T19995] dump_stack+0x137/0x19d [ 338.574425][T19995] should_fail+0x23c/0x250 [ 338.578842][T19995] ? security_inode_alloc+0x30/0x180 [ 338.584148][T19995] __should_failslab+0x81/0x90 20:57:10 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x0, 0x406, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 338.588919][T19995] should_failslab+0x5/0x20 [ 338.592327][ T9516] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 338.601463][T19995] kmem_cache_alloc+0x46/0x320 [ 338.606241][T19995] security_inode_alloc+0x30/0x180 [ 338.611369][T19995] inode_init_always+0x222/0x440 [ 338.616384][T19995] ? set_qf_name+0x230/0x230 [ 338.621213][T19995] new_inode_pseudo+0x6f/0x190 [ 338.625994][T19995] new_inode+0x21/0x100 [ 338.630188][T19995] __ext4_new_inode+0x132/0x2fe0 [ 338.634340][ T9516] usb 4-1: config 0 descriptor?? [ 338.635200][T19995] ? __dquot_initialize+0x130/0x750 [ 338.645401][T19995] ? make_kuid+0x121/0x180 [ 338.649848][T19995] ext4_mkdir+0x28a/0x760 [ 338.654218][T19995] vfs_mkdir+0x135/0x1f0 [ 338.658467][T19995] do_mkdirat+0x147/0x230 [ 338.662801][T19995] __x64_sys_mkdir+0x32/0x40 [ 338.667389][T19995] do_syscall_64+0x39/0x80 [ 338.671837][T19995] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 338.677802][T19995] RIP: 0033:0x465567 [ 338.681692][T19995] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 338.701477][T19995] RSP: 002b:00007fdfcb135fa8 EFLAGS: 00000213 ORIG_RAX: 0000000000000053 [ 338.709986][T19995] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000465567 [ 338.718019][T19995] RDX: 0000000000000005 RSI: 00000000000001ff RDI: 0000000020000100 [ 338.725993][T19995] RBP: 00007fdfcb136040 R08: 0000000000000000 R09: ffffffffffffffff [ 338.733966][T19995] R10: 0000000000000000 R11: 0000000000000213 R12: 0000000020000000 20:57:10 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0xb103, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:57:10 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40604, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) [ 338.741955][T19995] R13: 0000000020000100 R14: 00007fdfcb136000 R15: 0000000020000040 20:57:10 executing program 4 (fault-call:3 fault-nth:46): r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 338.846747][T20005] loop0: detected capacity change from 0 to 4096 [ 338.853194][T20009] loop1: detected capacity change from 0 to 185708 [ 338.861596][T20023] loop5: detected capacity change from 0 to 88 [ 338.868944][T20005] FAULT_INJECTION: forcing a failure. [ 338.868944][T20005] name failslab, interval 1, probability 0, space 0, times 0 [ 338.875249][T20023] FAT-fs (loop5): bogus number of reserved sectors [ 338.887512][T20009] FAT-fs (loop1): Unrecognized mount option "flÕ" or missing value [ 338.890662][T20023] FAT-fs (loop5): Can't find a valid FAT filesystem [ 338.905627][T20005] CPU: 0 PID: 20005 Comm: syz-executor.0 Not tainted 5.12.0-rc5-syzkaller #0 [ 338.914633][T20005] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 338.924690][T20005] Call Trace: [ 338.927953][T20005] dump_stack+0x137/0x19d [ 338.932269][T20005] should_fail+0x23c/0x250 [ 338.937038][T20005] __should_failslab+0x81/0x90 [ 338.941821][T20005] ? kzalloc+0x1d/0x30 [ 338.945892][T20005] should_failslab+0x5/0x20 [ 338.950511][T20005] __kmalloc+0x66/0x380 [ 338.954680][T20005] kzalloc+0x1d/0x30 [ 338.958576][T20005] kobject_get_path+0x7c/0x110 [ 338.963372][T20005] kobject_uevent_env+0x1be/0xc40 [ 338.968396][T20005] kobject_uevent+0x18/0x20 [ 338.972919][T20005] loop_configure+0xb3c/0xcb0 [ 338.977602][T20005] lo_ioctl+0x555/0x11f0 [ 338.981840][T20005] ? ___cache_free+0x3c/0x2f0 [ 338.986663][T20005] ? blkdev_common_ioctl+0xa36/0x10a0 [ 338.992145][T20005] ? lo_release+0x120/0x120 [ 338.996628][T20005] blkdev_ioctl+0x1d0/0x3c0 [ 339.001157][T20005] block_ioctl+0x6d/0x80 [ 339.005397][T20005] ? blkdev_iopoll+0x70/0x70 [ 339.009968][T20005] __se_sys_ioctl+0xcb/0x140 [ 339.014568][T20005] __x64_sys_ioctl+0x3f/0x50 [ 339.019247][T20005] do_syscall_64+0x39/0x80 [ 339.023728][T20005] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 339.029714][T20005] RIP: 0033:0x466217 [ 339.033591][T20005] Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 a4 48 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 339.053195][T20005] RSP: 002b:00007f14ea25ff48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 339.061594][T20005] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 0000000000466217 [ 339.069552][T20005] RDX: 0000000000000004 RSI: 0000000000004c00 RDI: 0000000000000005 [ 339.077538][T20005] RBP: 0000000000000005 R08: 0000000000000000 R09: ffffffffffffffff [ 339.085545][T20005] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 339.093501][T20005] R13: 0000000000000004 R14: 0000000020000260 R15: 0000000000000004 [ 339.108111][T20022] VFS: unable to find oldfs superblock on device loop2 [ 339.118686][T20031] loop4: detected capacity change from 0 to 4096 [ 339.129771][T20005] EXT4-fs (loop0): revision level too high, forcing read-only mode [ 339.130819][T20031] FAULT_INJECTION: forcing a failure. [ 339.130819][T20031] name failslab, interval 1, probability 0, space 0, times 0 [ 339.152641][T20031] CPU: 1 PID: 20031 Comm: syz-executor.4 Not tainted 5.12.0-rc5-syzkaller #0 [ 339.152962][T20005] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: writeback. [ 339.161493][T20031] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 339.161510][T20031] Call Trace: [ 339.161519][T20031] dump_stack+0x137/0x19d [ 339.161546][T20031] should_fail+0x23c/0x250 [ 339.161565][T20031] __should_failslab+0x81/0x90 [ 339.199461][T20031] ? kcalloc+0x32/0x50 [ 339.203621][T20031] should_failslab+0x5/0x20 [ 339.208140][T20031] __kmalloc+0x66/0x380 [ 339.212301][T20031] kcalloc+0x32/0x50 [ 339.216274][T20031] ext4_find_extent+0x21c/0x7f0 [ 339.221130][T20031] ? kcsan_setup_watchpoint+0x26e/0x470 [ 339.226705][T20031] ext4_ext_map_blocks+0xd9/0x1fd0 [ 339.231867][T20031] ? __ext4_handle_dirty_metadata+0x20c/0x590 [ 339.237935][T20031] ? __down_read_common+0x14e/0x510 [ 339.243179][T20031] ? percpu_counter_add_batch+0xe8/0x110 [ 339.247851][T20023] loop5: detected capacity change from 0 to 88 [ 339.248815][T20031] ? ext4_es_lookup_extent+0x221/0x500 [ 339.260419][T20031] ext4_map_blocks+0x1d1/0xff0 [ 339.265247][T20031] ? __ext4_mark_inode_dirty+0x4f1/0x5e0 [ 339.270862][T20031] ext4_getblk+0xb1/0x3d0 [ 339.275191][T20031] ? __ext4_new_inode+0x2b07/0x2fe0 [ 339.280414][T20031] ext4_bread+0x28/0x130 [ 339.284644][T20031] ext4_append+0xd1/0x1c0 [ 339.289114][T20031] ext4_init_new_dir+0x177/0x500 [ 339.294156][T20031] ext4_mkdir+0x329/0x760 [ 339.298476][T20031] vfs_mkdir+0x135/0x1f0 [ 339.302704][T20031] do_mkdirat+0x147/0x230 [ 339.307034][T20031] __x64_sys_mkdir+0x32/0x40 [ 339.311619][T20031] do_syscall_64+0x39/0x80 [ 339.316077][T20031] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 339.322121][T20031] RIP: 0033:0x465567 [ 339.326004][T20031] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 339.345682][T20031] RSP: 002b:00007fdfcb135fa8 EFLAGS: 00000213 ORIG_RAX: 0000000000000053 [ 339.354081][T20031] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000465567 [ 339.362208][T20031] RDX: 0000000000000005 RSI: 00000000000001ff RDI: 0000000020000100 [ 339.370164][T20031] RBP: 00007fdfcb136040 R08: 0000000000000000 R09: ffffffffffffffff [ 339.378198][T20031] R10: 0000000000000000 R11: 0000000000000213 R12: 0000000020000000 [ 339.386242][T20031] R13: 0000000020000100 R14: 00007fdfcb136000 R15: 0000000020000040 [ 339.406820][ T9516] peak_usb 4-1:0.0 can0: unable to request usb[type=0 value=0] err=-71 [ 339.417110][T20023] FAT-fs (loop5): bogus number of reserved sectors [ 339.420590][ T9516] peak_usb 4-1:0.0: unable to read PCAN-USB Pro bootloader info (err -71) [ 339.426384][T20023] FAT-fs (loop5): Can't find a valid FAT filesystem [ 339.439477][T20009] loop1: detected capacity change from 0 to 185708 [ 339.446596][T20031] EXT4-fs (loop4): revision level too high, forcing read-only mode [ 339.456224][T20031] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: writeback. [ 339.477015][T20009] FAT-fs (loop1): Unrecognized mount option "flÕ" or missing value [ 339.516724][ T9516] peak_usb: probe of 4-1:0.0 failed with error -71 [ 339.530037][ T9516] usb 4-1: USB disconnect, device number 89 [ 340.176745][ T19] usb 4-1: new high-speed USB device number 90 using dummy_hcd 20:57:11 executing program 3: pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) write$binfmt_misc(r0, &(0x7f0000000000)=ANY=[], 0xfffffecc) openat(r0, 0x0, 0x0, 0x102) r1 = syz_usb_connect(0x0, 0x24, &(0x7f0000000080)={{0x12, 0x1, 0x0, 0xf6, 0xbe, 0xd8, 0x8, 0xc72, 0xd, 0x9bc9, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x9b, 0x10, 0x39}}]}}]}}, 0x0) syz_usb_control_io(r1, 0x0, &(0x7f0000000840)={0x44, &(0x7f0000000000)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) 20:57:11 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x0, 0x500, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:57:11 executing program 0 (fault-call:1 fault-nth:35): pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[]) 20:57:11 executing program 4 (fault-call:3 fault-nth:47): r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:57:11 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40700, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) 20:57:11 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0xedc0, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 340.327805][T20088] loop5: detected capacity change from 0 to 118 [ 340.327910][T20090] VFS: unable to find oldfs superblock on device loop2 [ 340.337342][T20089] loop4: detected capacity change from 0 to 4096 [ 340.343070][T20087] loop0: detected capacity change from 0 to 4096 [ 340.349059][T20089] FAULT_INJECTION: forcing a failure. [ 340.349059][T20089] name failslab, interval 1, probability 0, space 0, times 0 [ 340.360591][T20087] FAULT_INJECTION: forcing a failure. [ 340.360591][T20087] name failslab, interval 1, probability 0, space 0, times 0 [ 340.366418][T20089] CPU: 0 PID: 20089 Comm: syz-executor.4 Not tainted 5.12.0-rc5-syzkaller #0 [ 340.387757][T20089] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 340.397891][T20089] Call Trace: [ 340.401207][T20089] dump_stack+0x137/0x19d [ 340.405602][T20089] should_fail+0x23c/0x250 [ 340.410022][T20089] ? __es_insert_extent+0x546/0xe80 [ 340.410294][T20091] loop1: detected capacity change from 0 to 185708 [ 340.415244][T20089] __should_failslab+0x81/0x90 [ 340.415269][T20089] should_failslab+0x5/0x20 [ 340.431021][T20089] kmem_cache_alloc+0x46/0x320 [ 340.435841][T20089] __es_insert_extent+0x546/0xe80 [ 340.440891][T20089] ? __kmalloc+0x1e5/0x380 [ 340.445318][T20089] ? kcalloc+0x32/0x50 [ 340.449390][T20089] ext4_es_insert_extent+0x1bb/0x1a80 [ 340.454771][T20089] ? ext4_ext_convert_to_initialized+0x1000/0x1000 [ 340.461342][T20089] ext4_ext_map_blocks+0xf84/0x1fd0 [ 340.466558][T20089] ? __ext4_handle_dirty_metadata+0x20c/0x590 [ 340.472652][T20089] ? __down_read_common+0x14e/0x510 [ 340.477913][T20089] ? percpu_counter_add_batch+0xe8/0x110 [ 340.483819][T20089] ? ext4_es_lookup_extent+0x221/0x500 [ 340.489287][T20089] ext4_map_blocks+0x1d1/0xff0 [ 340.494052][T20089] ? __ext4_mark_inode_dirty+0x4f1/0x5e0 [ 340.499772][T20089] ext4_getblk+0xb1/0x3d0 [ 340.504124][T20089] ? __ext4_new_inode+0x2b07/0x2fe0 [ 340.509331][T20089] ext4_bread+0x28/0x130 [ 340.513573][T20089] ext4_append+0xd1/0x1c0 [ 340.517989][T20089] ext4_init_new_dir+0x177/0x500 [ 340.522928][T20089] ext4_mkdir+0x329/0x760 [ 340.527268][T20089] vfs_mkdir+0x135/0x1f0 [ 340.531513][T20089] do_mkdirat+0x147/0x230 [ 340.535842][T20089] __x64_sys_mkdir+0x32/0x40 [ 340.540437][T20089] do_syscall_64+0x39/0x80 [ 340.544860][T20089] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 340.550872][T20089] RIP: 0033:0x465567 [ 340.554763][T20089] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 340.574374][T20089] RSP: 002b:00007fdfcb135fa8 EFLAGS: 00000213 ORIG_RAX: 0000000000000053 [ 340.582800][T20089] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000465567 [ 340.590827][T20089] RDX: 0000000000000005 RSI: 00000000000001ff RDI: 0000000020000100 [ 340.598806][T20089] RBP: 00007fdfcb136040 R08: 0000000000000000 R09: ffffffffffffffff [ 340.606786][T20089] R10: 0000000000000000 R11: 0000000000000213 R12: 0000000020000000 [ 340.614764][T20089] R13: 0000000020000100 R14: 00007fdfcb136000 R15: 0000000020000040 [ 340.622806][T20087] CPU: 1 PID: 20087 Comm: syz-executor.0 Not tainted 5.12.0-rc5-syzkaller #0 [ 340.631586][T20087] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 340.641913][T20087] Call Trace: [ 340.645189][T20087] dump_stack+0x137/0x19d [ 340.649590][T20087] should_fail+0x23c/0x250 [ 340.653985][T20087] __should_failslab+0x81/0x90 [ 340.658746][T20087] should_failslab+0x5/0x20 [ 340.663235][T20087] kmem_cache_alloc_node+0x56/0x310 [ 340.668457][T20087] ? __alloc_skb+0xed/0x420 [ 340.673083][T20087] __alloc_skb+0xed/0x420 [ 340.677399][T20087] alloc_uevent_skb+0x5b/0x120 [ 340.682162][T20087] kobject_uevent_env+0x863/0xc40 [ 340.687228][T20087] kobject_uevent+0x18/0x20 [ 340.691791][T20087] loop_configure+0xb3c/0xcb0 [ 340.696457][T20087] lo_ioctl+0x555/0x11f0 [ 340.700742][T20087] ? ___cache_free+0x3c/0x2f0 [ 340.705418][T20087] ? blkdev_common_ioctl+0xa36/0x10a0 [ 340.710889][T20087] ? lo_release+0x120/0x120 [ 340.715722][T20087] blkdev_ioctl+0x1d0/0x3c0 [ 340.720208][T20087] block_ioctl+0x6d/0x80 [ 340.724457][T20087] ? blkdev_iopoll+0x70/0x70 [ 340.729044][T20087] __se_sys_ioctl+0xcb/0x140 [ 340.733618][T20087] __x64_sys_ioctl+0x3f/0x50 [ 340.738273][T20087] do_syscall_64+0x39/0x80 [ 340.742678][T20087] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 340.748561][T20087] RIP: 0033:0x466217 [ 340.752476][T20087] Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 a4 48 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 340.772234][T20087] RSP: 002b:00007f14ea25ff48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 340.780708][T20087] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 0000000000466217 [ 340.788792][T20087] RDX: 0000000000000004 RSI: 0000000000004c00 RDI: 0000000000000005 [ 340.796743][T20087] RBP: 0000000000000005 R08: 0000000000000000 R09: ffffffffffffffff [ 340.804714][T20087] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 340.812729][T20087] R13: 0000000000000004 R14: 0000000020000260 R15: 0000000000000004 [ 340.850518][T20103] loop2: detected capacity change from 0 to 515 [ 340.857238][T20091] FAT-fs (loop1): Unrecognized mount option "flÕ" or missing value [ 340.880098][T20088] FAT-fs (loop5): bogus number of reserved sectors [ 340.889624][T20088] FAT-fs (loop5): Can't find a valid FAT filesystem [ 340.899099][T20087] EXT4-fs (loop0): revision level too high, forcing read-only mode [ 340.908136][T20089] EXT4-fs (loop4): revision level too high, forcing read-only mode [ 340.923661][T20089] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: writeback. [ 340.932313][T20087] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: writeback. 20:57:12 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x0, 0x600, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 340.947299][ T19] usb 4-1: Using ep0 maxpacket: 8 20:57:12 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0xfeff, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:57:12 executing program 0 (fault-call:1 fault-nth:36): pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[]) 20:57:12 executing program 4 (fault-call:3 fault-nth:48): r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 341.053055][T20103] loop2: detected capacity change from 0 to 515 [ 341.066810][ T19] usb 4-1: New USB device found, idVendor=0c72, idProduct=000d, bcdDevice=9b.c9 [ 341.079476][T20103] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 341.081817][T20129] loop5: detected capacity change from 0 to 127 [ 341.096536][ T19] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 341.096599][T20130] loop0: detected capacity change from 0 to 4096 [ 341.110973][T20130] FAULT_INJECTION: forcing a failure. [ 341.110973][T20130] name failslab, interval 1, probability 0, space 0, times 0 [ 341.118891][T20135] loop4: detected capacity change from 0 to 4096 [ 341.124031][T20130] CPU: 0 PID: 20130 Comm: syz-executor.0 Not tainted 5.12.0-rc5-syzkaller #0 [ 341.138681][T20130] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 341.140272][T20103] EXT4-fs (loop2): group descriptors corrupted! [ 341.148742][T20130] Call Trace: [ 341.148754][T20130] dump_stack+0x137/0x19d [ 341.148781][T20130] should_fail+0x23c/0x250 [ 341.148800][T20130] __should_failslab+0x81/0x90 [ 341.171756][T20130] should_failslab+0x5/0x20 [ 341.176331][T20130] kmem_cache_alloc_node_trace+0x5b/0x310 [ 341.182079][T20130] ? __kmalloc_node_track_caller+0x30/0x40 [ 341.187984][T20130] __kmalloc_node_track_caller+0x30/0x40 [ 341.193679][T20130] ? alloc_uevent_skb+0x5b/0x120 [ 341.198608][T20130] __alloc_skb+0x187/0x420 [ 341.203118][T20130] alloc_uevent_skb+0x5b/0x120 [ 341.207907][T20130] kobject_uevent_env+0x863/0xc40 [ 341.212964][T20130] kobject_uevent+0x18/0x20 [ 341.217466][T20130] loop_configure+0xb3c/0xcb0 [ 341.222158][T20130] lo_ioctl+0x555/0x11f0 [ 341.226399][T20130] ? ___cache_free+0x3c/0x2f0 [ 341.231284][T20130] ? blkdev_common_ioctl+0xa36/0x10a0 [ 341.236680][T20130] ? lo_release+0x120/0x120 [ 341.241210][T20130] blkdev_ioctl+0x1d0/0x3c0 [ 341.245736][T20130] block_ioctl+0x6d/0x80 [ 341.249985][T20130] ? blkdev_iopoll+0x70/0x70 [ 341.254628][T20130] __se_sys_ioctl+0xcb/0x140 [ 341.259217][T20130] __x64_sys_ioctl+0x3f/0x50 [ 341.263891][T20130] do_syscall_64+0x39/0x80 [ 341.268340][T20130] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 341.274402][T20130] RIP: 0033:0x466217 [ 341.278290][T20130] Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 a4 48 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 341.297923][T20130] RSP: 002b:00007f14ea25ff48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 341.306606][T20130] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 0000000000466217 [ 341.314629][T20130] RDX: 0000000000000004 RSI: 0000000000004c00 RDI: 0000000000000005 [ 341.322595][T20130] RBP: 0000000000000005 R08: 0000000000000000 R09: ffffffffffffffff [ 341.330582][T20130] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 341.338557][T20130] R13: 0000000000000004 R14: 0000000020000260 R15: 0000000000000004 [ 341.352791][ T19] usb 4-1: config 0 descriptor?? [ 341.359495][T20135] FAULT_INJECTION: forcing a failure. [ 341.359495][T20135] name failslab, interval 1, probability 0, space 0, times 0 [ 341.367389][T20129] FAT-fs (loop5): bogus number of reserved sectors [ 341.372155][T20134] loop1: detected capacity change from 0 to 185708 [ 341.379986][T20129] FAT-fs (loop5): Can't find a valid FAT filesystem [ 341.392893][T20135] CPU: 0 PID: 20135 Comm: syz-executor.4 Not tainted 5.12.0-rc5-syzkaller #0 [ 341.401155][T20130] EXT4-fs (loop0): revision level too high, forcing read-only mode [ 341.401665][T20135] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 341.401679][T20135] Call Trace: [ 341.401687][T20135] dump_stack+0x137/0x19d [ 341.411517][T20130] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: writeback. [ 341.419614][T20135] should_fail+0x23c/0x250 [ 341.419641][T20135] __should_failslab+0x81/0x90 [ 341.419660][T20135] ? kcalloc+0x32/0x50 [ 341.451444][T20135] should_failslab+0x5/0x20 [ 341.455973][T20135] __kmalloc+0x66/0x380 [ 341.460127][T20135] ? kcalloc+0x32/0x50 [ 341.464401][T20135] kcalloc+0x32/0x50 [ 341.468371][T20135] ext4_find_extent+0x21c/0x7f0 [ 341.473318][T20135] ? kfree+0xf0/0x1e0 [ 341.477380][T20135] ext4_ext_map_blocks+0xd9/0x1fd0 [ 341.482549][T20135] ? __ext4_handle_dirty_metadata+0x20c/0x590 [ 341.489058][T20135] ? __down_write_common+0x45/0x870 [ 341.494248][T20135] ? __down_read_common+0x14e/0x510 [ 341.499594][T20135] ? percpu_counter_add_batch+0xe8/0x110 [ 341.505236][T20135] ? ext4_es_lookup_extent+0x221/0x500 [ 341.511000][T20135] ext4_map_blocks+0x726/0xff0 [ 341.515760][T20135] ? __ext4_mark_inode_dirty+0x4f1/0x5e0 [ 341.521438][T20135] ext4_getblk+0xb1/0x3d0 [ 341.525817][T20135] ext4_bread+0x28/0x130 [ 341.530057][T20135] ext4_append+0xd1/0x1c0 [ 341.534811][T20135] ext4_init_new_dir+0x177/0x500 [ 341.539979][T20135] ext4_mkdir+0x329/0x760 [ 341.544303][T20135] vfs_mkdir+0x135/0x1f0 [ 341.548603][T20135] do_mkdirat+0x147/0x230 [ 341.553008][T20135] __x64_sys_mkdir+0x32/0x40 [ 341.557583][T20135] do_syscall_64+0x39/0x80 [ 341.562076][T20135] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 341.568002][T20135] RIP: 0033:0x465567 [ 341.571876][T20135] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 341.591675][T20135] RSP: 002b:00007fdfcb135fa8 EFLAGS: 00000213 ORIG_RAX: 0000000000000053 20:57:13 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40900, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) [ 341.600098][T20135] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000465567 [ 341.608055][T20135] RDX: 0000000000000005 RSI: 00000000000001ff RDI: 0000000020000100 [ 341.616028][T20135] RBP: 00007fdfcb136040 R08: 0000000000000000 R09: ffffffffffffffff [ 341.623991][T20135] R10: 0000000000000000 R11: 0000000000000213 R12: 0000000020000000 [ 341.631962][T20135] R13: 0000000020000100 R14: 00007fdfcb136000 R15: 0000000020000040 20:57:13 executing program 0 (fault-call:1 fault-nth:37): pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[]) [ 341.674204][T20134] FAT-fs (loop1): Unrecognized mount option "flÕ" or missing value [ 341.700541][T20129] loop5: detected capacity change from 0 to 127 [ 341.728630][T20129] FAT-fs (loop5): bogus number of reserved sectors [ 341.736597][T20134] loop1: detected capacity change from 0 to 185708 [ 341.740637][T20129] FAT-fs (loop5): Can't find a valid FAT filesystem [ 341.744718][T20134] FAT-fs (loop1): Unrecognized mount option "flÕ" or missing value [ 341.797870][T20157] VFS: unable to find oldfs superblock on device loop2 [ 341.816301][T20164] loop0: detected capacity change from 0 to 4096 [ 341.823179][T20164] FAULT_INJECTION: forcing a failure. [ 341.823179][T20164] name failslab, interval 1, probability 0, space 0, times 0 [ 341.842801][T20164] CPU: 1 PID: 20164 Comm: syz-executor.0 Not tainted 5.12.0-rc5-syzkaller #0 [ 341.851649][T20164] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 341.861724][T20164] Call Trace: [ 341.865002][T20164] dump_stack+0x137/0x19d [ 341.870305][T20164] should_fail+0x23c/0x250 [ 341.874726][T20164] ? skb_clone+0x12c/0x1f0 [ 341.879183][T20164] __should_failslab+0x81/0x90 [ 341.883931][T20164] should_failslab+0x5/0x20 [ 341.888427][T20164] kmem_cache_alloc+0x46/0x320 [ 341.893239][T20164] skb_clone+0x12c/0x1f0 [ 341.897527][T20164] netlink_broadcast_filtered+0x4fd/0xb80 [ 341.903248][T20164] ? skb_put+0xb9/0xf0 [ 341.907325][T20164] netlink_broadcast+0x35/0x50 [ 341.912088][T20164] kobject_uevent_env+0x8c9/0xc40 [ 341.917157][T20164] kobject_uevent+0x18/0x20 [ 341.921641][T20164] loop_configure+0xb3c/0xcb0 [ 341.926299][T20164] lo_ioctl+0x555/0x11f0 [ 341.930569][T20164] ? ___cache_free+0x3c/0x2f0 [ 341.935272][T20164] ? blkdev_common_ioctl+0xa36/0x10a0 [ 341.940655][T20164] ? lo_release+0x120/0x120 [ 341.945168][T20164] blkdev_ioctl+0x1d0/0x3c0 [ 341.949731][T20164] block_ioctl+0x6d/0x80 [ 341.954019][T20164] ? blkdev_iopoll+0x70/0x70 [ 341.958595][T20164] __se_sys_ioctl+0xcb/0x140 [ 341.963172][T20164] __x64_sys_ioctl+0x3f/0x50 [ 341.967870][T20164] do_syscall_64+0x39/0x80 [ 341.972270][T20164] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 341.978166][T20164] RIP: 0033:0x466217 [ 341.982083][T20164] Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 a4 48 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 342.002646][T20164] RSP: 002b:00007f14ea25ff48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 342.011116][T20164] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 0000000000466217 [ 342.019083][T20164] RDX: 0000000000000004 RSI: 0000000000004c00 RDI: 0000000000000005 [ 342.027128][T20164] RBP: 0000000000000005 R08: 0000000000000000 R09: ffffffffffffffff [ 342.035109][T20164] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 342.043076][T20164] R13: 0000000000000004 R14: 0000000020000260 R15: 0000000000000004 [ 342.056778][T20164] EXT4-fs (loop0): revision level too high, forcing read-only mode [ 342.065308][T20164] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: writeback. [ 342.077772][T20157] loop2: detected capacity change from 0 to 516 [ 342.085162][T20157] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 342.104151][T20157] EXT4-fs (loop2): group descriptors corrupted! [ 342.199747][T20179] loop2: detected capacity change from 0 to 516 [ 342.214160][T20179] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 342.230044][T20179] EXT4-fs (loop2): group descriptors corrupted! 20:57:14 executing program 3: pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = socket$inet_udp(0x2, 0x2, 0x0) close(r2) splice(r0, 0x0, r2, 0x0, 0x4ffe2, 0x0) ioctl$TCSETA(r0, 0x5406, &(0x7f0000000000)={0x28, 0x7ff, 0xfff, 0x3, 0xf, "71beaf3646666613"}) r3 = syz_usb_connect(0x0, 0x24, &(0x7f0000000080)={{0x12, 0x1, 0x0, 0xf6, 0xbe, 0xd8, 0x8, 0xc72, 0xd, 0x9bc9, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x9b, 0x10, 0x39}}]}}]}}, 0x0) syz_usb_control_io(r3, 0x0, &(0x7f0000000840)={0x44, &(0x7f0000000000)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f0000000040)={0x0}, &(0x7f00000000c0)=0x8) syz_usb_control_io$hid(r3, &(0x7f00000003c0)={0x24, &(0x7f0000000140)={0x20, 0x11, 0xc5, {0xc5, 0x11, "0a4595feabe8f96b7ded0c73f8d8e65d7cfd28ec37ec74ae1dab7c64488dd978722822605b70b489346075f8de4baf6c56e2be31e206d05e20184f52085877ed95053e83160d7ce6dcdb5ea97f8a64a89a532bcebaf01ce5e3cdace1e42a3d820383bafcf089b47c1f2369d9b19a82eeb2f79f6513d9b599bca51d0dffb9fffb47586b2b1e136075c9a0431d98a4ac715d831908c39d99e627359f09329937a110abc2d16debba94e77d2161c889076be9a920899b74e96052bb96c1fafebd6fd7b4d1"}}, &(0x7f0000000240)={0x0, 0x3, 0xec, @string={0xec, 0x3, "b5e9e46eb6eddabe5b96db26f71c87e9f3a4e1f1b1ca88b8369e580f918977471edcd1a01d67c95209a607c65971f705611c34a3f5a13e16e9e7b7a4f1817a17f35a4e37de5fee8abb46593255299d29b5b927a9eda7a00fb3c3530581c3c0db9be3c54c41c9482ab46f927400574d7b1727dd08c189b53a73837500481f337b4a8b5c53036c2ca8aaa56d04acd7c77ab4846cf650338ac4b163aad3c7ec0d09b0c2bee743f9b0581cd71baf330c7728518e047ca1e5e083e063394342e641798c9de74857601fa3919495b81d8afbc8af0c55874455b1c1003277cd92a145687bb2e9bc657342aa41bc"}}, &(0x7f0000000340)={0x0, 0x22, 0x8, {[@main=@item_4={0x3, 0x0, 0xc, "52de4577"}, @main=@item_012={0x2, 0x0, 0xa, "ffbd"}]}}, &(0x7f0000000380)={0x0, 0x21, 0x9, {0x9, 0x21, 0x3, 0x35, 0x1, {0x22, 0x8cd}}}}, &(0x7f0000000680)={0x2c, &(0x7f0000000400)={0x0, 0xc, 0xeb, "b2322c0102f45b22791088e9d5dac41931945632f847e1129538f7c782873783f4ff675fee4d2f4e1eb7e6fb986b39ac3aab94fcb9c224f93f9977f841b018c77ce712207d2f42b5dd9303ba9794b97a6403ed23d80be8abc6c846b33b336c05672a198cccd36c1cefccd8fd6d99ff81f358a01836ee40a418eca6434467c1f865ce379106c2da4fe2bf3b9b2ab42c2606751c7222803f38771fe796ac88c687e2c7515136669e951c4912456291dbeff0a0cf4db4a8cf17acc69971d8a30eb5d511a8fd4b152c0132beaf8628352894cee7a3f6452dfcb9edf6b17e064990ad4f64b841903c16d60e9e37"}, &(0x7f0000000500)={0x0, 0xa, 0x1, 0x4}, &(0x7f0000000540)={0x0, 0x8, 0x1, 0x4}, &(0x7f0000000580)={0x20, 0x1, 0x87, "22b3fefd180578834e17197b39ac98cb203e7491009894724c69ce11aeb62c8f64cb1dd053fb26e2ba9bc21ca2686aad0922581a3d1ef87ef3bcd637a31ec606365bacb0814fa76327865357509e4bf15c2060ebe6920979476fca571c875246660a4ad873665a97cccd3f2c7e13af0537c04c1457680ffb08693076b38a100e7147f0f0c7e737"}, &(0x7f0000000640)={0x20, 0x3, 0x1, 0x7}}) setsockopt$inet_sctp_SCTP_MAX_BURST(r1, 0x84, 0x14, &(0x7f0000000100)=@assoc_value={r4, 0x74e9}, 0x8) 20:57:14 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0xff00, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:57:14 executing program 4 (fault-call:3 fault-nth:49): r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:57:14 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x0, 0x604, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:57:14 executing program 0 (fault-call:1 fault-nth:38): pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[]) 20:57:14 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40a00, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) [ 343.332382][ T19] peak_usb 4-1:0.0 can0: unable to request usb[type=0 value=0] err=-71 [ 343.345643][ T19] peak_usb 4-1:0.0: unable to read PCAN-USB Pro bootloader info (err -71) [ 343.398372][T20208] loop4: detected capacity change from 0 to 4096 [ 343.407818][T20208] FAULT_INJECTION: forcing a failure. [ 343.407818][T20208] name failslab, interval 1, probability 0, space 0, times 0 [ 343.413082][T20216] loop5: detected capacity change from 0 to 127 [ 343.420683][ T19] peak_usb: probe of 4-1:0.0 failed with error -71 [ 343.427760][T20213] loop0: detected capacity change from 0 to 4096 [ 343.433407][T20207] loop1: detected capacity change from 0 to 185708 [ 343.453866][ T19] usb 4-1: USB disconnect, device number 90 [ 343.463608][T20209] VFS: unable to find oldfs superblock on device loop2 [ 343.486931][T20207] FAT-fs (loop1): Unrecognized mount option "flÕ" or missing value [ 343.497956][T20208] CPU: 0 PID: 20208 Comm: syz-executor.4 Not tainted 5.12.0-rc5-syzkaller #0 [ 343.506763][T20208] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 343.507411][T20213] FAULT_INJECTION: forcing a failure. [ 343.507411][T20213] name failslab, interval 1, probability 0, space 0, times 0 [ 343.516842][T20208] Call Trace: [ 343.516855][T20208] dump_stack+0x137/0x19d [ 343.516898][T20208] should_fail+0x23c/0x250 [ 343.516919][T20208] ? ext4_mb_new_blocks+0x2dc/0x1150 [ 343.546780][T20208] __should_failslab+0x81/0x90 [ 343.551641][T20208] should_failslab+0x5/0x20 [ 343.556239][T20208] kmem_cache_alloc+0x46/0x320 [ 343.561010][T20208] ext4_mb_new_blocks+0x2dc/0x1150 [ 343.566138][T20208] ? ext4_inode_to_goal_block+0x1bd/0x1d0 [ 343.572126][T20208] ext4_ext_map_blocks+0x146f/0x1fd0 [ 343.577420][T20208] ? percpu_counter_add_batch+0xe8/0x110 [ 343.583070][T20208] ? ext4_es_lookup_extent+0x221/0x500 [ 343.588599][T20208] ext4_map_blocks+0x726/0xff0 [ 343.593359][T20208] ? __ext4_mark_inode_dirty+0x4f1/0x5e0 [ 343.599776][T20208] ext4_getblk+0xb1/0x3d0 [ 343.604139][T20208] ext4_bread+0x28/0x130 [ 343.608411][T20208] ext4_append+0xd1/0x1c0 [ 343.612783][T20208] ext4_init_new_dir+0x177/0x500 [ 343.617731][T20208] ext4_mkdir+0x329/0x760 [ 343.622097][T20208] vfs_mkdir+0x135/0x1f0 [ 343.626336][T20208] do_mkdirat+0x147/0x230 [ 343.630662][T20208] __x64_sys_mkdir+0x32/0x40 [ 343.635255][T20208] do_syscall_64+0x39/0x80 [ 343.639695][T20208] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 343.645675][T20208] RIP: 0033:0x465567 [ 343.649566][T20208] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 343.669297][T20208] RSP: 002b:00007fdfcb135fa8 EFLAGS: 00000213 ORIG_RAX: 0000000000000053 [ 343.677733][T20208] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000465567 [ 343.685701][T20208] RDX: 0000000000000005 RSI: 00000000000001ff RDI: 0000000020000100 [ 343.693715][T20208] RBP: 00007fdfcb136040 R08: 0000000000000000 R09: ffffffffffffffff [ 343.701680][T20208] R10: 0000000000000000 R11: 0000000000000213 R12: 0000000020000000 [ 343.709660][T20208] R13: 0000000020000100 R14: 00007fdfcb136000 R15: 0000000020000040 [ 343.727610][T20213] CPU: 0 PID: 20213 Comm: syz-executor.0 Not tainted 5.12.0-rc5-syzkaller #0 [ 343.736410][T20213] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 343.746472][T20213] Call Trace: [ 343.749779][T20213] dump_stack+0x137/0x19d [ 343.754171][T20213] should_fail+0x23c/0x250 [ 343.758591][T20213] __should_failslab+0x81/0x90 [ 343.763353][T20213] ? call_usermodehelper_setup+0x81/0x160 [ 343.769092][T20213] should_failslab+0x5/0x20 [ 343.773673][T20213] kmem_cache_alloc_trace+0x49/0x340 [ 343.778962][T20213] ? add_uevent_var+0x16e/0x1c0 [ 343.783813][T20213] ? __kfree_skb+0xfe/0x150 [ 343.788382][T20213] call_usermodehelper_setup+0x81/0x160 [ 343.793940][T20213] ? add_uevent_var+0x1c0/0x1c0 [ 343.798798][T20213] kobject_uevent_env+0xb31/0xc40 [ 343.803855][T20213] kobject_uevent+0x18/0x20 [ 343.808423][T20213] loop_configure+0xb3c/0xcb0 [ 343.813114][T20213] lo_ioctl+0x555/0x11f0 [ 343.817366][T20213] ? ___cache_free+0x3c/0x2f0 [ 343.822053][T20213] ? blkdev_common_ioctl+0xa36/0x10a0 [ 343.827464][T20213] ? lo_release+0x120/0x120 [ 343.831968][T20213] blkdev_ioctl+0x1d0/0x3c0 [ 343.836486][T20213] block_ioctl+0x6d/0x80 [ 343.840822][T20213] ? blkdev_iopoll+0x70/0x70 [ 343.845442][T20213] __se_sys_ioctl+0xcb/0x140 [ 343.850130][T20213] __x64_sys_ioctl+0x3f/0x50 [ 343.854736][T20213] do_syscall_64+0x39/0x80 [ 343.859152][T20213] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 343.865078][T20213] RIP: 0033:0x466217 [ 343.868957][T20213] Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 a4 48 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 343.888630][T20213] RSP: 002b:00007f14ea25ff48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 343.897044][T20213] RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 0000000000466217 [ 343.905015][T20213] RDX: 0000000000000004 RSI: 0000000000004c00 RDI: 0000000000000005 [ 343.912965][T20213] RBP: 0000000000000005 R08: 0000000000000000 R09: ffffffffffffffff [ 343.920915][T20213] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 343.928872][T20213] R13: 0000000000000004 R14: 0000000020000260 R15: 0000000000000004 20:57:15 executing program 0 (fault-call:1 fault-nth:39): pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[]) 20:57:15 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x0, 0x700, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 343.961198][T20213] EXT4-fs (loop0): revision level too high, forcing read-only mode [ 343.966711][T20216] FAT-fs (loop5): bogus number of reserved sectors [ 343.975718][T20216] FAT-fs (loop5): Can't find a valid FAT filesystem [ 343.979038][T20213] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: writeback. 20:57:15 executing program 4 (fault-call:3 fault-nth:50): r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:57:15 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40b00, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) 20:57:15 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0xff0f, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 344.057863][ T19] usb 4-1: new high-speed USB device number 91 using dummy_hcd [ 344.096744][T20245] loop4: detected capacity change from 0 to 4096 [ 344.104806][T20245] FAULT_INJECTION: forcing a failure. [ 344.104806][T20245] name failslab, interval 1, probability 0, space 0, times 0 [ 344.117527][T20245] CPU: 0 PID: 20245 Comm: syz-executor.4 Not tainted 5.12.0-rc5-syzkaller #0 [ 344.126481][T20245] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 344.136562][T20245] Call Trace: [ 344.139840][T20245] dump_stack+0x137/0x19d [ 344.140440][T20252] loop0: detected capacity change from 0 to 4096 [ 344.144269][T20245] should_fail+0x23c/0x250 [ 344.144294][T20245] ? ext4_mb_new_blocks+0x2dc/0x1150 [ 344.160357][T20245] __should_failslab+0x81/0x90 [ 344.163102][T20252] FAULT_INJECTION: forcing a failure. [ 344.163102][T20252] name failslab, interval 1, probability 0, space 0, times 0 [ 344.165121][T20245] should_failslab+0x5/0x20 [ 344.182196][T20245] kmem_cache_alloc+0x46/0x320 [ 344.186965][T20245] ext4_mb_new_blocks+0x2dc/0x1150 [ 344.192161][T20245] ? ext4_inode_to_goal_block+0x1bd/0x1d0 [ 344.197887][T20245] ext4_ext_map_blocks+0x146f/0x1fd0 [ 344.203256][T20245] ? percpu_counter_add_batch+0xe8/0x110 [ 344.208944][T20245] ? ext4_es_lookup_extent+0x221/0x500 [ 344.214407][T20245] ext4_map_blocks+0x726/0xff0 [ 344.219176][T20245] ? __ext4_mark_inode_dirty+0x4f1/0x5e0 [ 344.224821][T20245] ext4_getblk+0xb1/0x3d0 [ 344.229150][T20245] ext4_bread+0x28/0x130 [ 344.233388][T20245] ext4_append+0xd1/0x1c0 [ 344.237770][T20245] ext4_init_new_dir+0x177/0x500 [ 344.243412][T20245] ext4_mkdir+0x329/0x760 [ 344.247758][T20245] vfs_mkdir+0x135/0x1f0 [ 344.252006][T20245] do_mkdirat+0x147/0x230 [ 344.256337][T20245] __x64_sys_mkdir+0x32/0x40 [ 344.261099][T20245] do_syscall_64+0x39/0x80 [ 344.265514][T20245] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 344.271415][T20245] RIP: 0033:0x465567 [ 344.275458][T20245] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 344.295401][T20245] RSP: 002b:00007fdfcb135fa8 EFLAGS: 00000213 ORIG_RAX: 0000000000000053 [ 344.297990][ T19] usb 4-1: Using ep0 maxpacket: 8 [ 344.303830][T20245] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000465567 [ 344.316798][T20245] RDX: 0000000000000005 RSI: 00000000000001ff RDI: 0000000020000100 [ 344.324765][T20245] RBP: 00007fdfcb136040 R08: 0000000000000000 R09: ffffffffffffffff [ 344.332987][T20245] R10: 0000000000000000 R11: 0000000000000213 R12: 0000000020000000 [ 344.340970][T20245] R13: 0000000020000100 R14: 00007fdfcb136000 R15: 0000000020000040 [ 344.349105][T20252] CPU: 1 PID: 20252 Comm: syz-executor.0 Not tainted 5.12.0-rc5-syzkaller #0 [ 344.357910][T20252] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 344.367979][T20252] Call Trace: [ 344.371241][T20252] dump_stack+0x137/0x19d [ 344.375661][T20252] should_fail+0x23c/0x250 [ 344.380062][T20252] ? getname_flags+0x84/0x3d0 [ 344.384730][T20252] __should_failslab+0x81/0x90 [ 344.389549][T20252] should_failslab+0x5/0x20 [ 344.394046][T20252] kmem_cache_alloc+0x46/0x320 [ 344.398799][T20252] getname_flags+0x84/0x3d0 [ 344.403278][T20252] do_mkdirat+0x3a/0x230 [ 344.407502][T20252] __x64_sys_mkdir+0x32/0x40 [ 344.412078][T20252] do_syscall_64+0x39/0x80 [ 344.416490][T20252] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 344.422404][T20252] RIP: 0033:0x465567 [ 344.426363][T20252] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 344.445962][T20252] RSP: 002b:00007f14ea25ffa8 EFLAGS: 00000213 ORIG_RAX: 0000000000000053 20:57:16 executing program 4 (fault-call:3 fault-nth:51): r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 344.454544][T20252] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000465567 [ 344.462505][T20252] RDX: 0000000000000004 RSI: 00000000000001ff RDI: 0000000020000100 [ 344.470576][T20252] RBP: 00007f14ea260040 R08: 0000000000000000 R09: ffffffffffffffff [ 344.478548][T20252] R10: 0000000000000000 R11: 0000000000000213 R12: 0000000020000000 [ 344.486497][T20252] R13: 0000000020000100 R14: 00007f14ea260000 R15: 0000000020000040 [ 344.548281][T20261] loop5: detected capacity change from 0 to 127 [ 344.549044][T20255] loop1: detected capacity change from 0 to 185708 [ 344.561267][T20259] loop2: detected capacity change from 0 to 517 [ 344.567804][ T19] usb 4-1: New USB device found, idVendor=0c72, idProduct=000d, bcdDevice=9b.c9 [ 344.579469][ T19] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 344.588527][ T19] usb 4-1: config 0 descriptor?? [ 344.601826][T20271] loop4: detected capacity change from 0 to 4096 [ 344.602009][T20261] FAT-fs (loop5): bogus number of reserved sectors [ 344.610618][T20271] FAULT_INJECTION: forcing a failure. [ 344.610618][T20271] name failslab, interval 1, probability 0, space 0, times 0 [ 344.616119][T20259] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 344.627429][T20271] CPU: 1 PID: 20271 Comm: syz-executor.4 Not tainted 5.12.0-rc5-syzkaller #0 [ 344.642976][T20255] FAT-fs (loop1): Unrecognized mount option "flÕ" or missing value [ 344.646232][T20271] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 344.646246][T20271] Call Trace: [ 344.646255][T20271] dump_stack+0x137/0x19d [ 344.654305][T20261] FAT-fs (loop5): Can't find a valid FAT filesystem [ 344.664297][T20271] should_fail+0x23c/0x250 [ 344.664324][T20271] ? __es_insert_extent+0x546/0xe80 [ 344.664346][T20271] __should_failslab+0x81/0x90 [ 344.689657][T20259] EXT4-fs (loop2): group descriptors corrupted! [ 344.693332][T20271] should_failslab+0x5/0x20 [ 344.704526][T20271] kmem_cache_alloc+0x46/0x320 [ 344.709340][T20271] __es_insert_extent+0x546/0xe80 [ 344.714405][T20271] ext4_es_insert_extent+0x1bb/0x1a80 [ 344.719784][T20271] ? ext4_es_lookup_extent+0x221/0x500 [ 344.725350][T20271] ext4_map_blocks+0xaf4/0xff0 [ 344.730110][T20271] ext4_getblk+0xb1/0x3d0 [ 344.734461][T20271] ext4_bread+0x28/0x130 [ 344.738756][T20271] ext4_append+0xd1/0x1c0 [ 344.743083][T20271] ext4_init_new_dir+0x177/0x500 [ 344.748002][T20271] ext4_mkdir+0x329/0x760 [ 344.752325][T20271] vfs_mkdir+0x135/0x1f0 [ 344.756549][T20271] do_mkdirat+0x147/0x230 [ 344.760864][T20271] __x64_sys_mkdir+0x32/0x40 [ 344.766097][T20271] do_syscall_64+0x39/0x80 [ 344.770625][T20271] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 344.776503][T20271] RIP: 0033:0x465567 [ 344.780388][T20271] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 344.800002][T20271] RSP: 002b:00007fdfcb135fa8 EFLAGS: 00000213 ORIG_RAX: 0000000000000053 [ 344.808421][T20271] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000465567 [ 344.816403][T20271] RDX: 0000000000000005 RSI: 00000000000001ff RDI: 0000000020000100 [ 344.824696][T20271] RBP: 00007fdfcb136040 R08: 0000000000000000 R09: ffffffffffffffff [ 344.832676][T20271] R10: 0000000000000000 R11: 0000000000000213 R12: 0000000020000000 [ 344.840631][T20271] R13: 0000000020000100 R14: 00007fdfcb136000 R15: 0000000020000040 [ 344.895958][T20271] EXT4-fs (loop4): revision level too high, forcing read-only mode [ 344.906163][T20271] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: writeback. [ 344.975447][T20285] loop2: detected capacity change from 0 to 517 [ 344.980071][T20261] loop5: detected capacity change from 0 to 127 [ 344.989381][T20261] FAT-fs (loop5): bogus number of reserved sectors [ 344.991792][T20285] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 344.996207][T20261] FAT-fs (loop5): Can't find a valid FAT filesystem [ 345.019026][T20285] EXT4-fs (loop2): group descriptors corrupted! [ 345.316670][ T19] peak_usb 4-1:0.0 can0: unable to request usb[type=2 value=5] err=-71 [ 345.386761][ T19] peak_usb: probe of 4-1:0.0 failed with error -71 [ 345.398466][ T19] usb 4-1: USB disconnect, device number 91 20:57:17 executing program 3: openat(0xffffffffffffffff, 0x0, 0x0, 0x0) r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000080)={{0x12, 0x1, 0x0, 0xf6, 0xbe, 0xd8, 0x8, 0xc72, 0xd, 0x9bc9, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x9b, 0x10, 0x39}}]}}]}}, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000840)={0x44, &(0x7f0000000000)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io(r0, &(0x7f00000004c0)={0x2c, &(0x7f00000000c0)={0x40, 0x22, 0xdb, {0xdb, 0x7, "f4765a19f4e0b08abd0ebaac5f964d3887d7f54c4e1e7cae096e8dbcd900d819aeb17a2b6c65a6f044ea55f9e68e1410ceab2329914bf244a4f1c65c3498e1398d9d2ded126da2ad613ddba22a9fa5a83a482e198f6ad46e0b6cf9120a453ce6e75820f07fc5ec5a7626443ca64872beb23e0163cf50df259d8d98eeeefec6870d90a8e8fdff42d44cdb5d0e6367587da502a8c8f56cdf5b297321e2f44f00edf876860c7039cb8011c60c52f82dec75877ff373d36017acf088df7c55f39653103ed97c7f82a8961adacdfa62f9495f31d7cb6bb738ea288f"}}, &(0x7f00000001c0)={0x0, 0x3, 0x54, @string={0x54, 0x3, "036638fe2ec06bc7d27be65475d33d9aa2308afea2be05baf66d6311fa85f43aba7c5154c1cbd3901a62961c30d4a0867ba1bf8a92a42c39424266adfe5a7bad4af6089f83bbe5c0f620bcbf449f65d74bee"}}, &(0x7f0000000240)={0x0, 0xf, 0x20c, {0x5, 0xf, 0x20c, 0x4, [@generic={0xf9, 0x10, 0xa, "b83c9cdcd3410c87981adb10513cd552402a1476291e5063abcb250f8ec920b63c524cd292e6e4690c51cd8e68ec7484f0482a24c175937f23402ff356ecf30b9890a5755a2175dece652fec213221c46f528ab01a68ef783eb10a551980f2455951cb3a9efb9c6b08df24a11d60abd1d6496847a7508c4367e22cd125b1131b3f53c2c28509fddac6597d1e398b124a20ab4a94201566bf43113dcb96ffff29d5d563926ffdea42e53cb2a829b10fc6ce35cebe487fadabf8704a3bc0d00a513a824283de6c466ace493e1cf004e8dc79ca433b614c8f068d8f38363eeec865659d522d4b357d5e68ce21bbc92f31959f5a27f2a5a4"}, @ss_container_id={0x14, 0x10, 0x4, 0x0, "31c0c54d3bd387faae45790204932a78"}, @generic={0xf3, 0x10, 0x1, "8bb8739288b5dfe68ae2a1756e50971e94aa7d9facd69a4cd7da629be9990b19bddab55b6f493c725b0241c948033d6f260dab90a6d5e49bd748047f1eb98528cc990860b12131c523e720a4eb6ceaa8051c66501fad037bbdcee884f070e2d944ca859849f81029cda5e4e18fa42e8ea8ac34e7a8192b9cd75757e69c35813748fe3d96aa5d43d718aa390faa101c2da60fa740117fa0e3da5c38393dbc101400920bdba99103532531a9c284cfab40f534b769aa15bbd19617a433b02ff965ec3adea2aa56c8e08dc759cebeda8e728b69820d12e0cd58c8965fc7969c8c7d0c49c920060be3589e131d33cf2a58de"}, @ext_cap={0x7, 0x10, 0x2, 0x10, 0x7, 0x0, 0x2}]}}, &(0x7f0000000040)={0x20, 0x29, 0xf, {0xf, 0x29, 0x9, 0x2, 0x40, 0x7, "bab642fb", "a8274ea9"}}, &(0x7f0000000480)={0x20, 0x2a, 0xc, {0xc, 0x2a, 0x8, 0x2, 0x4, 0x2, 0x1, 0x7, 0x3ff}}}, &(0x7f0000000a00)={0x84, &(0x7f0000000500)={0x20, 0x18, 0x40, "b064b3e370035d06186411351a148a3a0cb1e88b60ad762431f92134568256c742511b5326b2e585adbded0e05501ac10ecced63dbfe051fa770e8fc5bf656f7"}, &(0x7f0000000580)={0x0, 0xa, 0x1, 0xc5}, &(0x7f00000005c0)={0x0, 0x8, 0x1, 0xc5}, &(0x7f0000000600)={0x20, 0x0, 0x4, {0x3}}, &(0x7f0000000640)={0x20, 0x0, 0x8, {0x1e0, 0x1, [0xf00]}}, &(0x7f0000000680)={0x40, 0x7, 0x2, 0x6}, &(0x7f00000006c0)={0x40, 0x9, 0x1, 0x3}, &(0x7f0000000700)={0x40, 0xb, 0x2, "f635"}, &(0x7f0000000740)={0x40, 0xf, 0x2, 0x200}, &(0x7f0000000780)={0x40, 0x13, 0x6, @local}, &(0x7f00000007c0)={0x40, 0x17, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}}, &(0x7f0000000800)={0x40, 0x19, 0x2, "7bbf"}, &(0x7f0000000900)={0x40, 0x1a, 0x2, 0x1}, &(0x7f0000000940)={0x40, 0x1c, 0x1, 0x8}, &(0x7f0000000980)={0x40, 0x1e, 0x1, 0x7}, &(0x7f00000009c0)={0x40, 0x21, 0x1, 0x2}}) r1 = syz_open_dev$I2C(&(0x7f0000000000)='/dev/i2c-#\x00', 0xff, 0x2) mmap(&(0x7f0000ffa000/0x3000)=nil, 0x3000, 0x100000d, 0xa1c2a1d029491097, r1, 0x1c011000) 20:57:17 executing program 0 (fault-call:1 fault-nth:40): pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[]) 20:57:17 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x0, 0x900, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:57:17 executing program 4 (fault-call:3 fault-nth:52): r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:57:17 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0xfffe, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:57:17 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40c00, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) [ 345.879004][T20331] VFS: unable to find oldfs superblock on device loop2 [ 345.880672][T20332] loop0: detected capacity change from 0 to 4096 [ 345.893795][T20334] loop5: detected capacity change from 0 to 127 [ 345.902366][T20332] FAULT_INJECTION: forcing a failure. [ 345.902366][T20332] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 345.911634][T20334] FAT-fs (loop5): bogus number of reserved sectors [ 345.920156][T20338] loop1: detected capacity change from 0 to 185708 [ 345.926919][T20334] FAT-fs (loop5): Can't find a valid FAT filesystem [ 345.928631][T20341] loop4: detected capacity change from 0 to 4096 [ 345.946760][T20338] FAT-fs (loop1): Unrecognized mount option "flÕ" or missing value [ 345.957145][T20331] loop2: detected capacity change from 0 to 518 [ 345.958374][T20341] FAULT_INJECTION: forcing a failure. [ 345.958374][T20341] name failslab, interval 1, probability 0, space 0, times 0 [ 345.968983][T20332] CPU: 0 PID: 20332 Comm: syz-executor.0 Not tainted 5.12.0-rc5-syzkaller #0 [ 345.984869][T20332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 345.995042][T20332] Call Trace: [ 345.998324][T20332] dump_stack+0x137/0x19d [ 346.002746][T20332] should_fail+0x23c/0x250 [ 346.007162][T20332] should_fail_usercopy+0x16/0x20 [ 346.009008][T20331] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 346.012184][T20332] strncpy_from_user+0x21/0x250 [ 346.012208][T20332] getname_flags+0xb8/0x3d0 [ 346.031615][T20332] do_mkdirat+0x3a/0x230 [ 346.035884][T20332] __x64_sys_mkdir+0x32/0x40 [ 346.040503][T20332] do_syscall_64+0x39/0x80 [ 346.045016][T20332] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 346.048990][T20331] EXT4-fs (loop2): group descriptors corrupted! [ 346.050932][T20332] RIP: 0033:0x465567 [ 346.050951][T20332] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 346.080723][T20332] RSP: 002b:00007f14ea25ffa8 EFLAGS: 00000213 ORIG_RAX: 0000000000000053 [ 346.089329][T20332] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000465567 [ 346.097677][T20332] RDX: 0000000000000004 RSI: 00000000000001ff RDI: 0000000020000100 [ 346.105648][T20332] RBP: 00007f14ea260040 R08: 0000000000000000 R09: ffffffffffffffff [ 346.113694][T20332] R10: 0000000000000000 R11: 0000000000000213 R12: 0000000020000000 [ 346.121661][T20332] R13: 0000000020000100 R14: 00007f14ea260000 R15: 0000000020000040 [ 346.134256][T20341] CPU: 0 PID: 20341 Comm: syz-executor.4 Not tainted 5.12.0-rc5-syzkaller #0 [ 346.143037][T20341] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 346.153315][T20341] Call Trace: [ 346.156584][T20341] dump_stack+0x137/0x19d [ 346.161045][T20341] should_fail+0x23c/0x250 [ 346.165581][T20341] __should_failslab+0x81/0x90 [ 346.170334][T20341] ? __se_sys_mount+0x4e/0x2e0 [ 346.175081][T20341] should_failslab+0x5/0x20 [ 346.179585][T20341] __kmalloc_track_caller+0x64/0x380 [ 346.184856][T20341] ? strnlen_user+0x137/0x1c0 [ 346.189514][T20341] strndup_user+0x73/0x120 [ 346.193969][T20341] __se_sys_mount+0x4e/0x2e0 [ 346.198599][T20341] ? mntput+0x45/0x70 [ 346.202563][T20341] ? __fpregs_load_activate+0x103/0x1f0 [ 346.208089][T20341] __x64_sys_mount+0x63/0x70 [ 346.212673][T20341] do_syscall_64+0x39/0x80 [ 346.217139][T20341] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 346.223032][T20341] RIP: 0033:0x46797a [ 346.226901][T20341] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 346.246499][T20341] RSP: 002b:00007fdfcb135fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 346.254914][T20341] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046797a [ 346.262890][T20341] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdfcb136000 [ 346.270843][T20341] RBP: 00007fdfcb136040 R08: 00007fdfcb136040 R09: 0000000020000000 [ 346.276676][ T19] usb 4-1: new high-speed USB device number 92 using dummy_hcd [ 346.278797][T20341] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 346.278814][T20341] R13: 0000000020000100 R14: 00007fdfcb136000 R15: 0000000020000040 [ 346.315188][T20334] loop5: detected capacity change from 0 to 127 [ 346.319474][T20324] blk_update_request: I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 0 20:57:17 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40d00, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) 20:57:17 executing program 0 (fault-call:1 fault-nth:41): pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[]) [ 346.373270][T20334] FAT-fs (loop5): bogus number of reserved sectors [ 346.392333][T20338] loop1: detected capacity change from 0 to 185708 [ 346.411387][T20334] FAT-fs (loop5): Can't find a valid FAT filesystem 20:57:17 executing program 4 (fault-call:3 fault-nth:53): r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:57:17 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x0, 0xa00, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 346.425622][T20338] FAT-fs (loop1): Unrecognized mount option "flÕ" or missing value 20:57:17 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x100c8, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 346.511735][T20370] VFS: unable to find oldfs superblock on device loop2 [ 346.534704][T20373] loop0: detected capacity change from 0 to 4096 [ 346.556961][T20373] FAULT_INJECTION: forcing a failure. [ 346.556961][T20373] name failslab, interval 1, probability 0, space 0, times 0 [ 346.569768][T20378] loop1: detected capacity change from 0 to 185708 [ 346.584327][T20379] loop5: detected capacity change from 0 to 128 [ 346.586669][ T19] usb 4-1: Using ep0 maxpacket: 8 [ 346.595642][T20373] CPU: 0 PID: 20373 Comm: syz-executor.0 Not tainted 5.12.0-rc5-syzkaller #0 [ 346.595707][T20370] loop2: detected capacity change from 0 to 518 [ 346.604489][T20373] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 346.604503][T20373] Call Trace: [ 346.604512][T20373] dump_stack+0x137/0x19d [ 346.604560][T20373] should_fail+0x23c/0x250 [ 346.628779][T20378] FAT-fs (loop1): Unrecognized mount option "flÕ" or missing value [ 346.632797][T20373] ? __d_alloc+0x36/0x370 [ 346.632826][T20373] __should_failslab+0x81/0x90 [ 346.632845][T20373] should_failslab+0x5/0x20 [ 346.654474][T20373] kmem_cache_alloc+0x46/0x320 [ 346.659240][T20373] __d_alloc+0x36/0x370 [ 346.664036][T20373] d_alloc+0x2a/0x110 [ 346.668134][T20373] __lookup_hash+0x8f/0x180 [ 346.672670][T20373] filename_create+0xdb/0x3c0 [ 346.677345][T20373] do_mkdirat+0x5a/0x230 [ 346.681633][T20373] __x64_sys_mkdir+0x32/0x40 [ 346.686249][T20373] do_syscall_64+0x39/0x80 [ 346.690751][T20373] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 346.696651][T20373] RIP: 0033:0x465567 [ 346.700538][T20373] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 346.720162][T20373] RSP: 002b:00007f14ea25ffa8 EFLAGS: 00000213 ORIG_RAX: 0000000000000053 [ 346.728652][T20373] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000465567 [ 346.736625][T20373] RDX: 0000000000000004 RSI: 00000000000001ff RDI: 0000000020000100 [ 346.744596][T20373] RBP: 00007f14ea260040 R08: 0000000000000000 R09: ffffffffffffffff [ 346.752563][T20373] R10: 0000000000000000 R11: 0000000000000213 R12: 0000000020000000 20:57:18 executing program 0 (fault-call:1 fault-nth:42): pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[]) [ 346.760531][T20373] R13: 0000000020000100 R14: 00007f14ea260000 R15: 0000000020000040 [ 346.772660][T20379] FAT-fs (loop5): bogus number of reserved sectors [ 346.783279][T20389] loop4: detected capacity change from 0 to 4096 [ 346.807059][ T19] usb 4-1: New USB device found, idVendor=0c72, idProduct=000d, bcdDevice=9b.c9 [ 346.818273][ T19] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 346.827519][T20370] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 346.845443][T20379] FAT-fs (loop5): Can't find a valid FAT filesystem [ 346.854772][T20389] FAULT_INJECTION: forcing a failure. [ 346.854772][T20389] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 346.867959][T20389] CPU: 0 PID: 20389 Comm: syz-executor.4 Not tainted 5.12.0-rc5-syzkaller #0 [ 346.876733][T20389] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 346.886799][T20389] Call Trace: [ 346.890073][T20389] dump_stack+0x137/0x19d [ 346.894448][T20389] should_fail+0x23c/0x250 [ 346.898881][T20389] should_fail_usercopy+0x16/0x20 [ 346.903909][T20389] _copy_from_user+0x1c/0xd0 [ 346.908506][T20389] strndup_user+0xb0/0x120 [ 346.912994][T20389] __se_sys_mount+0x4e/0x2e0 [ 346.917581][T20389] ? mntput+0x45/0x70 [ 346.921711][T20389] ? __fpregs_load_activate+0x103/0x1f0 [ 346.924749][T20370] EXT4-fs (loop2): group descriptors corrupted! [ 346.927335][T20389] __x64_sys_mount+0x63/0x70 [ 346.927358][T20389] do_syscall_64+0x39/0x80 [ 346.942585][T20389] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 346.944966][ T19] usb 4-1: config 0 descriptor?? [ 346.948489][T20389] RIP: 0033:0x46797a [ 346.948509][T20389] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 346.948526][T20389] RSP: 002b:00007fdfcb135fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 346.948546][T20389] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046797a [ 346.948557][T20389] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdfcb136000 [ 346.948570][T20389] RBP: 00007fdfcb136040 R08: 00007fdfcb136040 R09: 0000000020000000 [ 347.009219][T20389] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 347.017201][T20389] R13: 0000000020000100 R14: 00007fdfcb136000 R15: 0000000020000040 [ 347.078468][T20399] loop0: detected capacity change from 0 to 4096 [ 347.085266][T20399] FAULT_INJECTION: forcing a failure. [ 347.085266][T20399] name failslab, interval 1, probability 0, space 0, times 0 [ 347.096904][T20398] loop2: detected capacity change from 0 to 518 [ 347.104978][T20398] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 347.115610][T20398] EXT4-fs (loop2): group descriptors corrupted! [ 347.122085][T20399] CPU: 1 PID: 20399 Comm: syz-executor.0 Not tainted 5.12.0-rc5-syzkaller #0 [ 347.130933][T20399] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 347.140988][T20399] Call Trace: [ 347.144477][T20399] dump_stack+0x137/0x19d [ 347.148831][T20399] should_fail+0x23c/0x250 [ 347.153245][T20399] ? __d_alloc+0x36/0x370 [ 347.157653][T20399] __should_failslab+0x81/0x90 [ 347.162399][T20399] should_failslab+0x5/0x20 [ 347.166938][T20399] kmem_cache_alloc+0x46/0x320 [ 347.171725][T20399] __d_alloc+0x36/0x370 [ 347.175980][T20399] d_alloc+0x2a/0x110 [ 347.179954][T20399] __lookup_hash+0x8f/0x180 [ 347.184442][T20399] filename_create+0xdb/0x3c0 [ 347.189114][T20399] do_mkdirat+0x5a/0x230 [ 347.193349][T20399] __x64_sys_mkdir+0x32/0x40 [ 347.197923][T20399] do_syscall_64+0x39/0x80 [ 347.202346][T20399] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 347.208305][T20399] RIP: 0033:0x465567 [ 347.212196][T20399] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 347.231946][T20399] RSP: 002b:00007f14ea25ffa8 EFLAGS: 00000213 ORIG_RAX: 0000000000000053 [ 347.240456][T20399] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000465567 [ 347.248676][T20399] RDX: 0000000000000004 RSI: 00000000000001ff RDI: 0000000020000100 [ 347.256718][T20399] RBP: 00007f14ea260040 R08: 0000000000000000 R09: ffffffffffffffff [ 347.264723][T20399] R10: 0000000000000000 R11: 0000000000000213 R12: 0000000020000000 [ 347.272776][T20399] R13: 0000000020000100 R14: 00007f14ea260000 R15: 0000000020000040 [ 347.736695][ T19] peak_usb 4-1:0.0 can0: unable to request usb[type=2 value=5] err=-71 [ 347.776834][ T19] peak_usb: probe of 4-1:0.0 failed with error -71 [ 347.785902][ T19] usb 4-1: USB disconnect, device number 92 20:57:19 executing program 3: openat(0xffffffffffffffff, 0x0, 0x0, 0x0) r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000080)={{0x12, 0x1, 0x0, 0xf6, 0xbe, 0xd8, 0x8, 0xc72, 0xd, 0x9bc9, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x9b, 0x10, 0x39}}]}}]}}, 0x0) syz_usb_control_io(r0, &(0x7f0000000180)={0x2c, &(0x7f0000000000)={0x40, 0x0, 0x10, {0x10, 0x22, "429aadffe86a0395f0e11ddba547"}}, &(0x7f0000000040)={0x0, 0x3, 0x4, @lang_id={0x4, 0x3, 0x2c01}}, &(0x7f00000000c0)={0x0, 0xf, 0x36, {0x5, 0xf, 0x36, 0x2, [@generic={0x21, 0x10, 0xa, "10f57065a21e4a9599305dd0eed89bf01e49df9402b99bbaf6eddd79288f"}, @ssp_cap={0x10, 0x10, 0xa, 0x1, 0x1, 0x5118000, 0xff00, 0x3, [0xff00c0]}]}}, &(0x7f0000000100)={0x20, 0x29, 0xf, {0xf, 0x29, 0x40, 0x0, 0x4, 0x7f, "b6e11f22", "168fb491"}}, &(0x7f0000000140)={0x20, 0x2a, 0xc, {0xc, 0x2a, 0x1f, 0x8, 0xfd, 0x8, 0x20, 0x4000, 0x2}}}, &(0x7f0000000640)={0x84, &(0x7f00000001c0)={0x0, 0xd, 0xa9, "bd079c786d80f67d493eb804baf98664bd1eb37f0c9504d80f8d3f798cbb29bbd8a97f6b1a9b0acacd2f0ccb83e325c92fccbb9d58a03a400454fdc6618296c316d906802b37835a6a4498638e8db0c3d153ca708f660fcae0ee9d4aba5a773b30eea6fcc42cb87e30fc7c48fbbd5db2cc008728cc7bd58ded18fa08cf61424ef9d4bb7c3a88f0cc16ca451a3b364dd1cacce94e8c28d4ce6b1adfb0c6eca29ffcd56a7709da463333"}, &(0x7f0000000280)={0x0, 0xa, 0x1, 0x9}, &(0x7f00000002c0)={0x0, 0x8, 0x1, 0x77}, &(0x7f0000000300)={0x20, 0x0, 0x4, {0x2, 0x2}}, &(0x7f0000000340)={0x20, 0x0, 0x8, {0xa0, 0x1, [0xf0f]}}, &(0x7f0000000380)={0x40, 0x7, 0x2, 0x29f2}, &(0x7f00000003c0)={0x40, 0x9, 0x1, 0x1}, &(0x7f0000000400)={0x40, 0xb, 0x2, "cb1d"}, &(0x7f0000000440)={0x40, 0xf, 0x2, 0x6000}, &(0x7f0000000480)={0x40, 0x13, 0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x3}}, &(0x7f00000004c0)={0x40, 0x17, 0x6, @local}, &(0x7f0000000500)={0x40, 0x19, 0x2, "20be"}, &(0x7f0000000540)={0x40, 0x1a, 0x2, 0x9}, &(0x7f0000000580)={0x40, 0x1c, 0x1}, &(0x7f00000005c0)={0x40, 0x1e, 0x1, 0x4}, &(0x7f0000000600)={0x40, 0x21, 0x1, 0xff}}) syz_usb_control_io(r0, 0x0, &(0x7f0000000840)={0x44, &(0x7f0000000000)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) 20:57:19 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x20000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:57:19 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x0, 0xb00, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:57:19 executing program 4 (fault-call:3 fault-nth:54): r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:57:19 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40e00, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) 20:57:19 executing program 0 (fault-call:1 fault-nth:43): pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[]) [ 348.283169][T20447] loop5: detected capacity change from 0 to 256 [ 348.303224][T20447] FAT-fs (loop5): bogus number of reserved sectors [ 348.310169][T20447] FAT-fs (loop5): Can't find a valid FAT filesystem [ 348.317061][T20446] loop1: detected capacity change from 0 to 185708 [ 348.320943][T20453] loop0: detected capacity change from 0 to 4096 [ 348.331194][T20450] loop4: detected capacity change from 0 to 4096 [ 348.331984][T20446] FAT-fs (loop1): Unrecognized mount option "flÕ" or missing value [ 348.347851][T20453] FAULT_INJECTION: forcing a failure. [ 348.347851][T20453] name failslab, interval 1, probability 0, space 0, times 0 [ 348.351463][T20450] FAULT_INJECTION: forcing a failure. [ 348.351463][T20450] name failslab, interval 1, probability 0, space 0, times 0 [ 348.373208][T20450] CPU: 1 PID: 20450 Comm: syz-executor.4 Not tainted 5.12.0-rc5-syzkaller #0 [ 348.381990][T20450] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 348.392062][T20450] Call Trace: [ 348.395406][T20450] dump_stack+0x137/0x19d [ 348.399747][T20450] should_fail+0x23c/0x250 [ 348.404190][T20450] __should_failslab+0x81/0x90 [ 348.408948][T20450] ? __se_sys_mount+0x91/0x2e0 [ 348.413784][T20450] should_failslab+0x5/0x20 [ 348.418286][T20450] __kmalloc_track_caller+0x64/0x380 [ 348.423646][T20450] ? strnlen_user+0x137/0x1c0 [ 348.428361][T20450] strndup_user+0x73/0x120 [ 348.432786][T20450] __se_sys_mount+0x91/0x2e0 [ 348.437520][T20450] ? mntput+0x45/0x70 [ 348.441509][T20450] ? __fpregs_load_activate+0x103/0x1f0 [ 348.447051][T20450] __x64_sys_mount+0x63/0x70 [ 348.451632][T20450] do_syscall_64+0x39/0x80 [ 348.456046][T20450] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 348.461991][T20450] RIP: 0033:0x46797a [ 348.465922][T20450] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 348.485612][T20450] RSP: 002b:00007fdfcb135fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 348.494062][T20450] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046797a [ 348.502090][T20450] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdfcb136000 [ 348.510060][T20450] RBP: 00007fdfcb136040 R08: 00007fdfcb136040 R09: 0000000020000000 [ 348.518035][T20450] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 348.526005][T20450] R13: 0000000020000100 R14: 00007fdfcb136000 R15: 0000000020000040 [ 348.535882][T20453] CPU: 1 PID: 20453 Comm: syz-executor.0 Not tainted 5.12.0-rc5-syzkaller #0 [ 348.544659][T20453] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 348.554729][T20453] Call Trace: [ 348.558008][T20453] dump_stack+0x137/0x19d [ 348.562384][T20453] should_fail+0x23c/0x250 [ 348.566828][T20453] __should_failslab+0x81/0x90 [ 348.571607][T20453] ? tomoyo_encode2+0x1d3/0x350 [ 348.576526][T20453] should_failslab+0x5/0x20 [ 348.581033][T20453] __kmalloc+0x66/0x380 [ 348.585211][T20453] tomoyo_encode2+0x1d3/0x350 [ 348.590024][T20453] tomoyo_realpath_from_path+0x35e/0x3b0 [ 348.593309][T20454] VFS: unable to find oldfs superblock on device loop2 [ 348.595736][T20453] tomoyo_path_number_perm+0xc1/0x2d0 [ 348.595765][T20453] ? _raw_spin_unlock+0x22/0x40 [ 348.612793][T20453] ? __d_add+0x390/0x450 [ 348.617018][T20453] ? terminate_walk+0x24e/0x270 [ 348.621965][T20453] ? filename_create+0x36f/0x3c0 [ 348.626907][T20453] tomoyo_path_mkdir+0x50/0x70 [ 348.631674][T20453] security_path_mkdir+0x95/0xf0 20:57:20 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x0, 0xc00, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 348.636672][T20453] do_mkdirat+0xf7/0x230 [ 348.641026][T20453] __x64_sys_mkdir+0x32/0x40 [ 348.645595][T20453] do_syscall_64+0x39/0x80 [ 348.649993][T20453] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 348.655944][T20453] RIP: 0033:0x465567 [ 348.659819][T20453] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 348.679437][T20453] RSP: 002b:00007f14ea25ffa8 EFLAGS: 00000213 ORIG_RAX: 0000000000000053 [ 348.687865][T20453] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000465567 [ 348.695842][T20453] RDX: 0000000000000004 RSI: 00000000000001ff RDI: 0000000020000100 [ 348.703812][T20453] RBP: 00007f14ea260040 R08: 0000000000000000 R09: ffffffffffffffff [ 348.711777][T20453] R10: 0000000000000000 R11: 0000000000000213 R12: 0000000020000000 [ 348.719794][T20453] R13: 0000000020000100 R14: 00007f14ea260000 R15: 0000000020000040 [ 348.730048][T20453] ERROR: Out of memory at tomoyo_realpath_from_path. [ 348.750423][T20453] EXT4-fs (loop0): revision level too high, forcing read-only mode [ 348.758784][T20453] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: writeback. [ 348.767150][T20447] loop5: detected capacity change from 0 to 256 [ 348.783652][T20447] FAT-fs (loop5): bogus number of reserved sectors 20:57:20 executing program 4 (fault-call:3 fault-nth:55): r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:57:20 executing program 0 (fault-call:1 fault-nth:44): pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[]) [ 348.809084][T20447] FAT-fs (loop5): Can't find a valid FAT filesystem [ 348.841840][T20475] loop2: detected capacity change from 0 to 519 [ 348.848381][T20479] loop1: detected capacity change from 0 to 185708 [ 348.852163][T20479] FAT-fs (loop1): Unrecognized mount option "flÕ" or missing value [ 348.864174][T20475] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 348.892764][T20491] loop4: detected capacity change from 0 to 4096 [ 348.898824][T20475] EXT4-fs (loop2): group descriptors corrupted! 20:57:20 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x80000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:57:20 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40f00, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) [ 348.917655][T20491] FAULT_INJECTION: forcing a failure. [ 348.917655][T20491] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 348.930976][T20491] CPU: 1 PID: 20491 Comm: syz-executor.4 Not tainted 5.12.0-rc5-syzkaller #0 [ 348.939773][T20491] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 348.949907][T20491] Call Trace: [ 348.953190][T20491] dump_stack+0x137/0x19d [ 348.957526][T20491] should_fail+0x23c/0x250 [ 348.961965][T20491] should_fail_usercopy+0x16/0x20 [ 348.967014][T20491] _copy_from_user+0x1c/0xd0 [ 348.971683][T20491] strndup_user+0xb0/0x120 [ 348.976174][T20491] __se_sys_mount+0x91/0x2e0 [ 348.976702][T20495] loop0: detected capacity change from 0 to 4096 [ 348.980772][T20491] ? mntput+0x45/0x70 [ 348.980802][T20491] ? __fpregs_load_activate+0x103/0x1f0 [ 348.996616][T20491] __x64_sys_mount+0x63/0x70 [ 349.001220][T20491] do_syscall_64+0x39/0x80 [ 349.005734][T20491] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 349.011679][T20491] RIP: 0033:0x46797a [ 349.012331][T20495] FAULT_INJECTION: forcing a failure. [ 349.012331][T20495] name failslab, interval 1, probability 0, space 0, times 0 [ 349.015564][T20491] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 349.015586][T20491] RSP: 002b:00007fdfcb135fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 349.056175][T20491] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046797a [ 349.064194][T20491] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdfcb136000 [ 349.072168][T20491] RBP: 00007fdfcb136040 R08: 00007fdfcb136040 R09: 0000000020000000 [ 349.080215][T20491] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 349.088288][T20491] R13: 0000000020000100 R14: 00007fdfcb136000 R15: 0000000020000040 [ 349.096264][T20495] CPU: 0 PID: 20495 Comm: syz-executor.0 Not tainted 5.12.0-rc5-syzkaller #0 [ 349.098454][ T19] usb 4-1: new high-speed USB device number 93 using dummy_hcd [ 349.105034][T20495] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 349.122618][T20495] Call Trace: [ 349.125902][T20495] dump_stack+0x137/0x19d [ 349.130301][T20495] should_fail+0x23c/0x250 [ 349.134745][T20495] ? ext4_alloc_inode+0x27/0x300 [ 349.139682][T20495] __should_failslab+0x81/0x90 [ 349.144425][T20495] ? set_qf_name+0x230/0x230 [ 349.148993][T20495] should_failslab+0x5/0x20 [ 349.153537][T20495] kmem_cache_alloc+0x46/0x320 [ 349.158313][T20495] ? set_qf_name+0x230/0x230 [ 349.162992][T20495] ext4_alloc_inode+0x27/0x300 [ 349.167784][T20495] ? set_qf_name+0x230/0x230 [ 349.172471][T20495] new_inode_pseudo+0x38/0x190 [ 349.177268][T20495] new_inode+0x21/0x100 [ 349.181414][T20495] __ext4_new_inode+0x132/0x2fe0 [ 349.186422][T20495] ? __dquot_initialize+0x130/0x750 [ 349.191670][T20495] ? make_kuid+0x121/0x180 [ 349.196152][T20495] ext4_mkdir+0x28a/0x760 [ 349.200508][T20495] vfs_mkdir+0x135/0x1f0 [ 349.204731][T20495] do_mkdirat+0x147/0x230 [ 349.209054][T20495] __x64_sys_mkdir+0x32/0x40 [ 349.213632][T20495] do_syscall_64+0x39/0x80 [ 349.218051][T20495] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 349.224037][T20495] RIP: 0033:0x465567 [ 349.227932][T20495] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 349.247540][T20495] RSP: 002b:00007f14ea25ffa8 EFLAGS: 00000213 ORIG_RAX: 0000000000000053 [ 349.255955][T20495] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000465567 20:57:20 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x0, 0xd00, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 349.263957][T20495] RDX: 0000000000000004 RSI: 00000000000001ff RDI: 0000000020000100 [ 349.271928][T20495] RBP: 00007f14ea260040 R08: 0000000000000000 R09: ffffffffffffffff [ 349.279899][T20495] R10: 0000000000000000 R11: 0000000000000213 R12: 0000000020000000 [ 349.287865][T20495] R13: 0000000020000100 R14: 00007f14ea260000 R15: 0000000020000040 [ 349.348072][T20498] loop5: detected capacity change from 0 to 1024 [ 349.374043][T20509] VFS: unable to find oldfs superblock on device loop2 [ 349.381629][T20498] FAT-fs (loop5): bogus number of reserved sectors [ 349.389878][T20498] FAT-fs (loop5): Can't find a valid FAT filesystem [ 349.418780][T20513] loop1: detected capacity change from 0 to 185708 [ 349.433802][T20509] loop2: detected capacity change from 0 to 519 [ 349.441369][T20513] FAT-fs (loop1): Unrecognized mount option "flÕ" or missing value [ 349.450025][T20509] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 349.461180][T20509] EXT4-fs (loop2): group descriptors corrupted! [ 349.469019][T20498] loop5: detected capacity change from 0 to 1024 [ 349.476116][T20498] FAT-fs (loop5): bogus number of reserved sectors [ 349.483076][T20498] FAT-fs (loop5): Can't find a valid FAT filesystem [ 349.511236][T20513] loop1: detected capacity change from 0 to 185708 [ 349.527541][ T19] usb 4-1: Using ep0 maxpacket: 8 [ 349.548657][T20513] FAT-fs (loop1): Unrecognized mount option "flÕ" or missing value [ 349.579637][T20531] loop2: detected capacity change from 0 to 519 [ 349.603856][T20531] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 349.627549][T20531] EXT4-fs (loop2): group descriptors corrupted! [ 349.676716][ T19] usb 4-1: New USB device found, idVendor=0c72, idProduct=000d, bcdDevice=9b.c9 [ 349.685775][ T19] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 349.694599][ T19] usb 4-1: config 0 descriptor?? [ 350.386709][ T19] peak_usb 4-1:0.0 can0: unable to request usb[type=2 value=5] err=-71 [ 350.426757][ T19] peak_usb: probe of 4-1:0.0 failed with error -71 [ 350.438815][ T19] usb 4-1: USB disconnect, device number 93 20:57:22 executing program 3: openat(0xffffffffffffffff, 0x0, 0x0, 0x0) r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000080)=ANY=[@ANYBLOB="12010000f6bed808720c0d00c99b0000000109021200210000000009040000009b103900"], 0x0) r1 = syz_usb_connect(0x4, 0x5d2, &(0x7f00000000c0)={{0x12, 0x1, 0x300, 0x57, 0xf4, 0xb6, 0x40, 0x1b3d, 0x1e7, 0x32f3, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x5c0, 0x2, 0x8, 0x40, 0x30, 0x9, [{{0x9, 0x4, 0x78, 0x3, 0x5, 0x35, 0x4a, 0xb7, 0x8, [@hid_hid={0x9, 0x21, 0x1, 0xe5, 0x1, {0x22, 0xdf6}}, @hid_hid={0x9, 0x21, 0x80, 0x9, 0x1, {0x22, 0x777}}], [{{0x9, 0x5, 0x9, 0xc, 0x40, 0x3, 0x3, 0x20}}, {{0x9, 0x5, 0x6, 0x10, 0x200, 0x1, 0x7, 0x81, [@uac_iso={0x7, 0x25, 0x1, 0x0, 0x5, 0x362}]}}, {{0x9, 0x5, 0x9, 0x10, 0x28, 0x4, 0xa5, 0x7f, [@generic={0xd1, 0xc, "1a12c983f16454df58e0edbffe17f6f91d1500a30f7179809afbb512ae6c592751abb3c0b0a5e9405ffc6dc5a97633a23a328fa1463822d8e6bdcfb2beab9272b3a4b994421122a69063bc911607c6857bc06de833556f30e373c41ef8421ab53d506a994518c932243840f7d18c7ff60edc7d4eec6e06c4b01d61e45a725a5a70d26a961bd572be09691eb15b452b00c63e4a11bad0a71406d3b3690b358c1c792b039edc9f283436cb08de85e94f68e0b69f3c1c3820e1c75f214358551a6a9792cef361b8112f9a0de46445a2c1"}]}}, {{0x9, 0x5, 0x0, 0x3, 0x8, 0x12, 0x90, 0xb8, [@generic={0x61, 0x9, "29cc70e81435f582c210fd87e72ec4212b442deff95edec3d12b3f9b664ddb0c4a11a86ced9c45a5f68a663b43131303f669140ccadbc4584633befe38b3f109b997febf327f21fa0ea62fec853911caa306646c7d388baf63cf262ca372cc"}, @uac_iso={0x7, 0x25, 0x1, 0x80, 0x9, 0x7}]}}, {{0x9, 0x5, 0xb, 0x0, 0x400, 0xa, 0x1, 0x5}}]}}, {{0x9, 0x4, 0x90, 0x6, 0xf, 0x59, 0x7, 0x88, 0x2, [@uac_as={[@format_type_ii_discrete={0xb, 0x24, 0x2, 0x2, 0x5, 0x7, 0xba, '9a'}, @format_type_i_discrete={0x9, 0x24, 0x2, 0x1, 0x1, 0x3, 0xe2, 0x4, 'L'}]}], [{{0x9, 0x5, 0x80, 0x10, 0x40, 0xda, 0x3f, 0x3, [@uac_iso={0x7, 0x25, 0x1, 0x82, 0x7f, 0xfff9}, @generic={0xd5, 0x5, "d08070b63f1c609fad7c99cb2292e2efe12ae11ac6412f8d3bdea605f17af099eed5ce5c6952d6bae2bca4fe7f1c2b55de7d217840f139397d87113c8af4cb207735012af0034228061a6270e3c82823cdf6a267394d80f8b34f4ca4b4a09d76f3f3b07bd50d2c3004ab9dd28eebbf4ce89d4ac7326b104bc10e0bbcad53061edae9e013cddf018a9a10e9d927a1eecf2be51a5cb73817db9417df0719ebf6a597edd3a6a6f1c75bde8c6a96785d08eb6c59b2c14c3bd915777ec8e3383c70de1e0484c424db186a62d539ad95b5c502069b54"}]}}, {{0x9, 0x5, 0xe, 0x10, 0x20, 0x9, 0x1, 0x5}}, {{0x9, 0x5, 0x4, 0x3, 0x8, 0x1, 0x5, 0xff}}, {{0x9, 0x5, 0x1, 0x10, 0x200, 0x4, 0x80, 0x1f, [@uac_iso={0x7, 0x25, 0x1, 0x81, 0x80, 0x9}]}}, {{0x9, 0x5, 0xf, 0x0, 0x3ff, 0x4, 0x1, 0x9}}, {{0x9, 0x5, 0x4, 0x0, 0x10, 0x5, 0x2, 0x1}}, {{0x9, 0x5, 0xb, 0x0, 0x8, 0x5, 0x6, 0x7}}, {{0x9, 0x5, 0x0, 0x0, 0x10, 0x6, 0x9, 0x5}}, {{0x9, 0x5, 0xe, 0x3, 0x3ff, 0x40, 0x20, 0x0, [@uac_iso={0x7, 0x25, 0x1, 0x3, 0x4}]}}, {{0x9, 0x5, 0xb, 0x0, 0x3ff, 0x9, 0x3f, 0x2}}, {{0x9, 0x5, 0xb, 0x0, 0x3ff, 0x7, 0x20, 0x3}}, {{0x9, 0x5, 0x5, 0x10, 0x40, 0x4, 0x7, 0x0, [@generic={0xc2, 0x31, "d2059b2e06a340484931fff9acce89c7f76bcec1260cd1af0e3db49b6e74d37e5c007d3ac632a11d2ef561f2e97e4ec90b8f5e54a71664e56cf13b8a8b53e05cbbf15b281f17019de552c0f284028a8c51ef9ae2cd54ca8bb8a37f102c215c98c3aee70eb61cc4b77bc8fca0e0ff3610121983e238aac92bd42fa99d3d6594b9c50c47907dbf83315027d972eae73add0fa400612e14c71ab6272a46ddf305bea8fdb1d2d9320c73d7fcb4dfb5866708fd012879322edb7fc24c890c038d1f20"}]}}, {{0x9, 0x5, 0x2, 0x0, 0x3ff, 0x13, 0x6, 0x9, [@generic={0x39, 0x74, "a06e0210934cea97597ee43d0927fee2ab855c587767ebc86b4102dd5ba99ea1725b9114912e751ed9a407f46afe97d8090e061294524e"}, @generic={0xdc, 0x23, "af043684be855adc99b8d02baaa32da3dc769b27f2d41460cd44a220eded55188965396f87065a89bf356a6aa4db407733372917bacda2bbe8998f327e5db4521534b323faf7d89590de6750cbe5dc6e451c5025d133c4cf16a178ebe6ee04bd613981d89853613cff38b4f3c6619115bb48abee994b6b62b1c9327cc3f8f7e3509ffcd2ea11b54e7a6458f6f1556474248b5f0205cefd484e92e293f25e5fff9c792b244ed6ba596607480fe888ced03ce9cc459cd8511c67525aca5e754254b2bc78aa4025cbf949abd6cdfbba25bdd41752ae1b7e09cd730f"}]}}, {{0x9, 0x5, 0x6, 0x10, 0x3ff, 0x81, 0x4, 0x40, [@uac_iso={0x7, 0x25, 0x1, 0x4, 0x0, 0x81}, @generic={0xbc, 0x3, "d7005251e0397b1e0d17ba4f24c1b44d2064b0b9a4efeaec0b1ef72d37a1d861c7d80b742334602d007db39ba4d5ec46bcff2083898fc8c8ba489e7032f923c7e8b20f2478329fc732fb96462dd7c6ed93e55bb530886ce57a86e5dc2279901042963dc9f37b805401d699458753151745d5fcdd332e39b77b55eb2042082304ac37c081d11f6b6a3e1cd4bfedf645745b9c721c88b035f218beb6c39bfc9d643033f03196663718e9389937c1fab8b877c6dbe99c3980312e6c"}]}}, {{0x9, 0x5, 0x7, 0x1, 0x10, 0x81, 0x20, 0x1f, [@uac_iso={0x7, 0x25, 0x1, 0x3, 0xf7, 0x100}]}}]}}]}}]}}, &(0x7f00000007c0)={0xa, &(0x7f0000000000)={0xa, 0x6, 0x110, 0x3, 0x20, 0xf, 0xff, 0x3}, 0x20, &(0x7f0000000040)={0x5, 0xf, 0x20, 0x5, [@ptm_cap={0x3}, @wireless={0xb, 0x10, 0x1, 0x8, 0x10, 0x7, 0x1, 0x1f, 0x1}, @ptm_cap={0x3}, @ptm_cap={0x3}, @ext_cap={0x7, 0x10, 0x2, 0x0, 0x5, 0x0, 0x7fff}]}, 0x2, [{0x3b, &(0x7f00000006c0)=@string={0x3b, 0x3, "6b7a7586fe864d405d8fca80ef17d247aed349d4941d58b8d032b75a66b04ad28fe7b99b5c3b61c4816ea6e157c6d66a03a5a4c7595dd6e609"}}, {0x84, &(0x7f0000000700)=@string={0x84, 0x3, "6fcdddfffac8d6b6006366602755ffeb4a64aa3009e96c0cc0458a65315c407209844c10032f24bf67a43e251ead8c46cedde2801f9e0e1175a0837048ff9f2ba2c0c6cb957a329dff2855fdf6a9111d87a582d66910db47d5d1b1c9b6841d40994733489d703c462df800f58eee6a3edfd38e77bebc5e62a5296b46d7c37c9096a9"}}]}) syz_usb_control_io(r1, &(0x7f0000000ac0)={0x2c, &(0x7f0000000900)={0x0, 0x22, 0xc5, {0xc5, 0x6, "4d0cf292fb954993e2aafc83840722d5532c27c780284fbe51cefb73d96f51adcafb281ed3a038747c1fb47e61cf7ec8ab730b9ccace5526417884aa3b3373071e4a7344434d61e0195a48b7d21be51e0542f75c060ac8f5aae9f92ee34569d515906249ce4720379e2f4d3c415d4fe0c71d586aa06c23d2bfbf132767466722864ddeeefbd5604393568eb6679f4fca72120d71b9f8050c3751c8abb025580bfef974981a03165baecee37e5e8c94a51c1b3b7242a890b406af37b815da59fe8d9033"}}, &(0x7f0000000800)={0x0, 0x3, 0x4, @lang_id={0x4, 0x3, 0x448}}, &(0x7f0000000a00)={0x0, 0xf, 0x5, {0x5, 0xf, 0x5}}, &(0x7f0000000a40)={0x20, 0x29, 0xf, {0xf, 0x29, 0x1f, 0x3, 0x7f, 0x8, "80824d47", "2a668d6d"}}, &(0x7f0000000a80)={0x20, 0x2a, 0xc, {0xc, 0x2a, 0x2, 0x3, 0x37, 0x3, 0x1f, 0x80, 0x200}}}, &(0x7f0000000f80)={0x84, &(0x7f0000000b00)={0x40, 0x13, 0xba, "195a38355c1c9fd10fcbc51524ed9f88f1505d5f950cd70aac6fcbd19f82b6575924bbf3cadaccbe7c43a692a159f86999076015b7f07693c792d51b40e9eb1f59737b5d74ffb551c641eba348e5439ed18a1f50013085fdc4dbd1221202204db4518a67f63cfbc9e7d3c0dda984d42c2e58652bc3836e61fe1572989f073065298a2abd669e01127e3f0d11a75a34d65d9c71bd3c0695b9e96132386d757912584b74d447d915a685f2d954c76346344e7a262b94991b74a6f6"}, &(0x7f0000000bc0)={0x0, 0xa, 0x1, 0x22}, &(0x7f0000000c00)={0x0, 0x8, 0x1, 0x2}, &(0x7f0000000c40)={0x20, 0x0, 0x4, {0x3}}, &(0x7f0000000c80)={0x20, 0x0, 0x8, {0x4, 0x10, [0xf0f7]}}, &(0x7f0000000cc0)={0x40, 0x7, 0x2, 0x7}, &(0x7f0000000d00)={0x40, 0x9, 0x1, 0x80}, &(0x7f0000000d40)={0x40, 0xb, 0x2, "aa9d"}, &(0x7f0000000d80)={0x40, 0xf, 0x2}, &(0x7f0000000dc0)={0x40, 0x13, 0x6, @broadcast}, &(0x7f0000000e00)={0x40, 0x17, 0x6, @remote}, &(0x7f0000000e40)={0x40, 0x19, 0x2, "dd91"}, &(0x7f0000000e80)={0x40, 0x1a, 0x2, 0x6}, &(0x7f0000000ec0)={0x40, 0x1c, 0x1, 0x2}, &(0x7f0000000f00)={0x40, 0x1e, 0x1, 0x81}, &(0x7f0000000f40)={0x40, 0x21, 0x1, 0x3}}) syz_usb_control_io(r0, 0x0, &(0x7f0000000840)={0x44, &(0x7f0000000000)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) 20:57:22 executing program 0 (fault-call:1 fault-nth:45): pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[]) 20:57:22 executing program 4 (fault-call:3 fault-nth:56): r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:57:22 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x80040, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:57:22 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x0, 0xe00, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:57:22 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x41004, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) [ 350.954906][T20580] loop4: detected capacity change from 0 to 4096 [ 350.955039][T20577] loop5: detected capacity change from 0 to 1024 [ 350.964923][T20580] FAULT_INJECTION: forcing a failure. [ 350.964923][T20580] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 350.984133][T20578] loop0: detected capacity change from 0 to 4096 [ 350.991726][T20578] FAULT_INJECTION: forcing a failure. [ 350.991726][T20578] name failslab, interval 1, probability 0, space 0, times 0 [ 351.000091][T20586] VFS: unable to find oldfs superblock on device loop2 [ 351.008018][T20578] CPU: 1 PID: 20578 Comm: syz-executor.0 Not tainted 5.12.0-rc5-syzkaller #0 [ 351.019985][T20578] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 351.030048][T20578] Call Trace: [ 351.033844][T20578] dump_stack+0x137/0x19d [ 351.038178][T20578] should_fail+0x23c/0x250 [ 351.042605][T20578] ? security_inode_alloc+0x30/0x180 [ 351.047960][T20578] __should_failslab+0x81/0x90 [ 351.052737][T20578] should_failslab+0x5/0x20 [ 351.057257][T20578] kmem_cache_alloc+0x46/0x320 [ 351.062042][T20578] security_inode_alloc+0x30/0x180 [ 351.067208][T20578] inode_init_always+0x222/0x440 [ 351.072196][T20578] ? set_qf_name+0x230/0x230 [ 351.076786][T20578] new_inode_pseudo+0x6f/0x190 [ 351.081557][T20578] new_inode+0x21/0x100 [ 351.085782][T20578] __ext4_new_inode+0x132/0x2fe0 [ 351.090770][T20578] ? __dquot_initialize+0x130/0x750 [ 351.095975][T20578] ? make_kuid+0x121/0x180 [ 351.100408][T20578] ext4_mkdir+0x28a/0x760 [ 351.104802][T20578] vfs_mkdir+0x135/0x1f0 [ 351.109043][T20578] do_mkdirat+0x147/0x230 [ 351.113477][T20578] __x64_sys_mkdir+0x32/0x40 [ 351.118133][T20578] do_syscall_64+0x39/0x80 [ 351.122587][T20578] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 351.128524][T20578] RIP: 0033:0x465567 [ 351.132414][T20578] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 351.152046][T20578] RSP: 002b:00007f14ea25ffa8 EFLAGS: 00000213 ORIG_RAX: 0000000000000053 [ 351.160583][T20578] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000465567 [ 351.168557][T20578] RDX: 0000000000000004 RSI: 00000000000001ff RDI: 0000000020000100 [ 351.176537][T20578] RBP: 00007f14ea260040 R08: 0000000000000000 R09: ffffffffffffffff [ 351.184634][T20578] R10: 0000000000000000 R11: 0000000000000213 R12: 0000000020000000 [ 351.192605][T20578] R13: 0000000020000100 R14: 00007f14ea260000 R15: 0000000020000040 [ 351.200648][T20580] CPU: 0 PID: 20580 Comm: syz-executor.4 Not tainted 5.12.0-rc5-syzkaller #0 [ 351.209418][T20580] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 351.217367][T20577] FAT-fs (loop5): bogus number of reserved sectors [ 351.219548][T20580] Call Trace: [ 351.219559][T20580] dump_stack+0x137/0x19d [ 351.226079][T20577] FAT-fs (loop5): Can't find a valid FAT filesystem [ 351.229332][T20580] should_fail+0x23c/0x250 [ 351.229356][T20580] should_fail_usercopy+0x16/0x20 [ 351.229377][T20580] _copy_from_user+0x1c/0xd0 [ 351.242609][T20579] loop1: detected capacity change from 0 to 185708 [ 351.244681][T20580] strndup_user+0xb0/0x120 [ 351.265467][T20580] __se_sys_mount+0x91/0x2e0 [ 351.270037][T20580] ? __schedule+0x3c1/0x580 [ 351.274553][T20580] ? __fpregs_load_activate+0x103/0x1f0 [ 351.280165][T20580] __x64_sys_mount+0x63/0x70 [ 351.284838][T20580] do_syscall_64+0x39/0x80 [ 351.289236][T20580] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 351.295114][T20580] RIP: 0033:0x46797a [ 351.298997][T20580] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 351.318691][T20580] RSP: 002b:00007fdfcb135fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 351.327202][T20580] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046797a [ 351.335172][T20580] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdfcb136000 [ 351.343127][T20580] RBP: 00007fdfcb136040 R08: 00007fdfcb136040 R09: 0000000020000000 20:57:22 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x400000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 351.351094][T20580] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 351.359102][T20580] R13: 0000000020000100 R14: 00007fdfcb136000 R15: 0000000020000040 [ 351.398607][T20595] loop2: detected capacity change from 0 to 520 [ 351.414046][T20579] FAT-fs (loop1): Unrecognized mount option "flÕ" or missing value [ 351.437617][T20595] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! 20:57:22 executing program 4 (fault-call:3 fault-nth:57): r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:57:23 executing program 0 (fault-call:1 fault-nth:46): pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[]) [ 351.497229][T20595] EXT4-fs (loop2): group descriptors corrupted! [ 351.514562][T20608] loop5: detected capacity change from 0 to 8192 [ 351.520989][ T19] usb 4-1: new high-speed USB device number 94 using dummy_hcd [ 351.551299][T20617] loop4: detected capacity change from 0 to 4096 [ 351.552844][T20608] FAT-fs (loop5): bogus number of reserved sectors [ 351.564336][T20617] FAULT_INJECTION: forcing a failure. [ 351.564336][T20617] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 351.577871][T20617] CPU: 1 PID: 20617 Comm: syz-executor.4 Not tainted 5.12.0-rc5-syzkaller #0 [ 351.584929][T20608] FAT-fs (loop5): Can't find a valid FAT filesystem [ 351.586659][T20617] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 351.586673][T20617] Call Trace: [ 351.586681][T20617] dump_stack+0x137/0x19d [ 351.598885][T20619] loop0: detected capacity change from 0 to 4096 [ 351.603335][T20617] should_fail+0x23c/0x250 [ 351.603360][T20617] should_fail_usercopy+0x16/0x20 [ 351.616755][T20619] FAULT_INJECTION: forcing a failure. [ 351.616755][T20619] name failslab, interval 1, probability 0, space 0, times 0 [ 351.617228][T20617] _copy_from_user+0x1c/0xd0 [ 351.643840][T20617] __se_sys_mount+0x115/0x2e0 [ 351.648518][T20617] ? mntput+0x45/0x70 [ 351.652590][T20617] ? __fpregs_load_activate+0x103/0x1f0 [ 351.658136][T20617] __x64_sys_mount+0x63/0x70 [ 351.662777][T20617] do_syscall_64+0x39/0x80 [ 351.667312][T20617] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 351.673278][T20617] RIP: 0033:0x46797a [ 351.677242][T20617] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 351.697803][T20617] RSP: 002b:00007fdfcb135fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 351.706227][T20617] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046797a [ 351.714203][T20617] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdfcb136000 [ 351.722168][T20617] RBP: 00007fdfcb136040 R08: 00007fdfcb136040 R09: 0000000020000000 [ 351.730135][T20617] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 351.738101][T20617] R13: 0000000020000100 R14: 00007fdfcb136000 R15: 0000000020000040 20:57:23 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x0, 0x1100, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:57:23 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x41020, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) [ 351.746425][T20619] CPU: 0 PID: 20619 Comm: syz-executor.0 Not tainted 5.12.0-rc5-syzkaller #0 [ 351.755203][T20619] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 351.765278][T20619] Call Trace: [ 351.768552][T20619] dump_stack+0x137/0x19d [ 351.772886][T20619] should_fail+0x23c/0x250 [ 351.777348][T20619] __should_failslab+0x81/0x90 [ 351.782091][T20619] ? kcalloc+0x32/0x50 [ 351.786172][T20619] should_failslab+0x5/0x20 [ 351.790669][T20619] __kmalloc+0x66/0x380 [ 351.794913][T20619] kcalloc+0x32/0x50 [ 351.798800][T20619] ext4_find_extent+0x21c/0x7f0 [ 351.803698][T20619] ext4_ext_map_blocks+0xd9/0x1fd0 [ 351.808802][T20619] ? __ext4_handle_dirty_metadata+0x20c/0x590 [ 351.814853][T20619] ? __down_read_common+0x14e/0x510 [ 351.820052][T20619] ? percpu_counter_add_batch+0xe8/0x110 [ 351.825691][T20619] ? ext4_es_lookup_extent+0x221/0x500 [ 351.831202][T20619] ext4_map_blocks+0x1d1/0xff0 [ 351.836132][T20619] ? __ext4_mark_inode_dirty+0x4f1/0x5e0 [ 351.841748][T20619] ext4_getblk+0xb1/0x3d0 [ 351.846053][T20619] ? __ext4_new_inode+0x2b07/0x2fe0 [ 351.851329][T20619] ext4_bread+0x28/0x130 [ 351.855549][T20619] ext4_append+0xd1/0x1c0 [ 351.859881][T20619] ext4_init_new_dir+0x177/0x500 [ 351.864927][T20619] ext4_mkdir+0x329/0x760 [ 351.869314][T20619] vfs_mkdir+0x135/0x1f0 [ 351.873564][T20619] do_mkdirat+0x147/0x230 [ 351.876678][ T19] usb 4-1: Using ep0 maxpacket: 8 [ 351.877895][T20619] __x64_sys_mkdir+0x32/0x40 [ 351.887886][T20619] do_syscall_64+0x39/0x80 [ 351.892319][T20619] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 351.898233][T20619] RIP: 0033:0x465567 [ 351.902115][T20619] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 351.921713][T20619] RSP: 002b:00007f14ea25ffa8 EFLAGS: 00000213 ORIG_RAX: 0000000000000053 [ 351.930132][T20619] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000465567 [ 351.938257][T20619] RDX: 0000000000000004 RSI: 00000000000001ff RDI: 0000000020000100 [ 351.946211][T20619] RBP: 00007f14ea260040 R08: 0000000000000000 R09: ffffffffffffffff [ 351.954161][T20619] R10: 0000000000000000 R11: 0000000000000213 R12: 0000000020000000 [ 351.962127][T20619] R13: 0000000020000100 R14: 00007f14ea260000 R15: 0000000020000040 [ 351.996707][ T19] usb 4-1: config 0 has too many interfaces: 33, using maximum allowed: 32 [ 352.005645][ T19] usb 4-1: config 0 has 1 interface, different from the descriptor's value: 33 [ 352.014954][ T19] usb 4-1: New USB device found, idVendor=0c72, idProduct=000d, bcdDevice=9b.c9 [ 352.024072][ T19] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 352.032882][ T19] usb 4-1: config 0 descriptor?? 20:57:23 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0xe0ffff, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 352.052791][T20608] loop5: detected capacity change from 0 to 8192 [ 352.067834][T20608] FAT-fs (loop5): bogus number of reserved sectors [ 352.081997][T20608] FAT-fs (loop5): Can't find a valid FAT filesystem [ 352.121487][T20617] EXT4-fs (loop4): revision level too high, forcing read-only mode [ 352.130133][T20619] EXT4-fs (loop0): revision level too high, forcing read-only mode [ 352.147151][T20619] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: writeback. [ 352.147627][T20617] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: writeback. [ 352.179165][T20642] loop1: detected capacity change from 0 to 185708 [ 352.193549][T20642] FAT-fs (loop1): Unrecognized mount option "flÕ" or missing value [ 352.202987][T20641] VFS: unable to find oldfs superblock on device loop2 [ 352.254952][T20641] loop2: detected capacity change from 0 to 520 [ 352.265606][T20641] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 352.268044][T20642] loop1: detected capacity change from 0 to 185708 [ 352.276543][T20641] EXT4-fs (loop2): group descriptors corrupted! [ 352.282720][T20642] FAT-fs (loop1): Unrecognized mount option "flÕ" or missing value [ 352.377543][T20662] loop2: detected capacity change from 0 to 520 [ 352.384704][T20662] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 352.395704][T20662] EXT4-fs (loop2): group descriptors corrupted! [ 352.516776][ T19] peak_usb 4-1:0.0 can0: unable to request usb[type=0 value=0] err=-71 [ 352.525575][ T19] peak_usb 4-1:0.0: unable to read PCAN-USB Pro bootloader info (err -71) [ 352.596707][ T19] peak_usb: probe of 4-1:0.0 failed with error -71 [ 352.601509][ T19] usb 4-1: USB disconnect, device number 94 [ 353.266711][ T19] usb 4-1: new high-speed USB device number 95 using dummy_hcd 20:57:24 executing program 3: r0 = openat(0xffffffffffffffff, 0x0, 0x0, 0x0) recvmsg$can_bcm(r0, &(0x7f0000000480)={&(0x7f0000000000)=@pppol2tpin6={0x18, 0x1, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @empty}}}, 0x80, &(0x7f0000000400)=[{&(0x7f0000000080)=""/223, 0xdf}, {&(0x7f0000000180)=""/54, 0x36}, {&(0x7f00000001c0)=""/218, 0xda}, {&(0x7f00000002c0)=""/28, 0x1c}, {&(0x7f0000000300)=""/122, 0x7a}, {&(0x7f0000000380)=""/126, 0x7e}], 0x6}, 0x40000161) sendmmsg(r1, &(0x7f0000003240)=[{{&(0x7f00000004c0)=@alg={0x26, 'aead\x00', 0x0, 0x0, 'aegis128l-aesni\x00'}, 0x80, &(0x7f0000001ac0)=[{&(0x7f0000000540)="8942d7173942fa56c5df197e7c1e34945a017deded145fa2a5514109afbeba82234f8313f6c197d26a3fece96f96ee757ea7d15727efc7f1a1b611b53b1c213541442a86d8150bcea60788d605f93f93e8e3dddb0e0dd3ddeacd1fb90937b1eb78da81ae7b6853d0cedf2a4b10a4088aae1fb1e9a91b12be29128ebc0eca894d4e2ee7ec386acab88956100d4e0e23d28206e5e86b776d46a1fab789c14a3b3722bd068c4dc87bd7c4e0857725e5521c57205dcc8558bbee8936cac680de8feacb40825a862d13a43df9f6689d6994a847c05a56981443ff4c75f70fd7fd43a5ab3a647aa3ed7b382185621f", 0xec}, {&(0x7f0000000640)="6ffb9f03d252ff7561c6b6bdaaec4ff3d35cb19226448a5e08e6a8768d3dced440718607b2e85b54fc7613946b09e315708f24e850adcbbee376d2809a6fda823df0844d99868e609f03d06976132dfd8c7790251164389622257813ad27f85827cafb2d8cb811838147b860d44ada4019a88f69cfb463d437241e1c9adf34cc4a07ec8177d33bc52003c049b502345a04abe0ee95b2a14830b4db37502f74284e19477257dbebd55ffeb6ca554532bf4e9a82bbf32eb82e4f5194feafa17c98d36ddd81fa7ef8663602beffd0c4016c283788d57be60c364cf9f8fce416470256454ae5209e0aff95f482ab5300d28c", 0xf0}, {&(0x7f0000000740)="74961470c26113bc729dc5f6ede13a1b469f15978c1024158545b91d64a4e3f63bee397b47de1232fe66ddb97c6345eb73aa16fa28cf0cfde8808cda3e8aee58544a5665f1729b612f9ee4d4c39158c621432b8cf3daac8f4c10d3ed608e79300131cdff6af7033a405bf6e8d45d585ce80d2686dba0c62996918037e4e26aa21266ceb26748606037dcf37e6e9b1a267c56e4130579896628cb5899b7ef9a8a0078386b0e305fefaab94bf0a9d8ac7c37158479", 0xb4}, {&(0x7f0000000900)="c591726d51a96a9244cd4b6de7b97c67868cd04e85c5a732785eca000296181c714d07e7526811aeee8cfc62d2c935162d0a0f74cd8c1a48e9717f96f9ca5f5e88b40aae9f9551842c371d8b69c288eb058ffa6223a40fac2b9de00d81b7635bca4534e8002d109e41a79468906f50f0aa8cab2b0c39bbc441c3c047f569d114dcf87e456ca448a3c745f9d8299e66c9026685e92182854b49afec5e99643ee89271079c277a6ecbbc40c430a7c514600fae27b5c45d5b2e7c025431436130adc0e52daaeabb310feb822c97848ec1483db7d45f557756697254fac223aedd5cf5cb40bf08ef", 0xe6}, {&(0x7f0000000800)='v)!', 0x3}, {&(0x7f0000000a00)="4c090197a6dad7a774e8248707990b1101c965bee6497c2068d28e9c4e1b9bb863f973b86bc6797465c0d0865cf0680034c75bd7aa8f9e6d369b48122dd539bb37390b2c3cb49d70fd2f66603728f3ccf55fe20d43ced237fb367e2320df297f3b96d8e47ed7eeaf99f784130860c9c13fb65ad52c22723f92671fcc", 0x7c}, {&(0x7f0000000a80)="09f75a7ae6b181d49aed203b268dcec7710ff07b51ac973471449abcaacc7d4163ca11c00fc648c3e99388e7e304d7be92e97456665776c6c93abfdfc35d20fb78fa5a3036fe8909b48a125c565cbcb7ea29e55568441a684052696b3ccf79217363ac27c2e7274d001c82959927c0549bbe31bd44ae9de066aebdbcab60b4964a3f8c94b014839a47c5e146a2b6157da40b9919d485076950d7761af18671900e4b41245ca6baa7d57c51dfb52229bc62e2fa8bf3ef50a8e31678269f38c339c9616ca44e56192bb894b2f22d26324ec221600564c6f3a338fbfea79fcb465952bba0182efeeca77eb4334c039cb3ca1045cc094535274281f36642f2fac1dd3047cb87a95bf1c9a4b8f03120ce2f54ee7b446261391a928289791c9ef85603dd9e19ffef1e39b27d5ab51953a397dda0ec7e1b6fae5b994816cba6724cc65faa97796fb88afc8572f4d7a0ec4514835742408e19372b9aa8f532a6c4e7cb0da894b69081747dd62d821529b231394a36505c2b6d2f8b6ff1c8617c6ec2c6271d9e25b6a76531232baf5da91b45c4f27edcb19430d78ff1650406a676497b29ddb3b9c0ce99e26398cddaca4c35e7a23ecf316ecf4661ebb7c0ff7e7739b1ea059f99ceea4967a611556b73e8c2e7a196be2dac64574518ebbb0bdc14d01eaf9bcc22f7ab3f9d9a18211f85ae38d6575a1c215efe777b0c105043cf9a1e386b2e09b885740caf9ca841c4ed9fe363c211f8a3a33139f95f004001025ef508ea8c2787719f15d78a90b2efda54c7eb22f93d812742bef071aeb3d9d83a33cd161836c5639a479c0b32409adfaed315889f61f24f9bdbfc3b18da13a43828161e7bb2bd27409a0bc587c831593393ae3d1c9810073d19a9ee1ac73fbff62f739d1547116bf1b5f3740379b045804581591192f48c0e1e2cfa5deb8e21063b403dedd90de792b9e0437c77605d0233016653c3092204e90223b50138179ac5565a05eaf7f356f69362083a5698a6388d4ca9365dde7d8829cd55ce1216d39c5931e12252ddc1e7f18dddcc02ad92294ec2ba34e5f77db3a9ee728e3b110c20c9e4a39c407d04b91e50896230f8f2c3db9b4e2894ac75c5b492b220676425631c2c247e9df1f94b64b2f3b3322f299144ca0bec2ceb3793b910868e5a8ea59a203ede9955af252f666f25e1ffdc75edfddd5ce53f0b99c2891dfe99828dd970b046d06ae89baa8ca4a1f3080b3472687d0499bf141f605a2d8e4e01e4d0528a978cdc3698ff2577cb2649cfe192638d0d148a9363811a4d4f3b8ace20229147a52bf08a01ad160aa49fef358b7b661bbf977f2e67271ebd548839af1e2444ce40aafb09538a9682bf2fa6cb2beb48d4108cab62156423e166842a69b6c55a6c5faaebceec0544afab547cb3782d5b988fd70e92b682b550d95691e37279f70e532b7674f4b4915f1641bb4d598746f3c207b4d50b0fc366a5d61188e0a731a3ade03be8f77ff5dc6bc5e81d9350270d04b2ea522a01493f634f6efe8f47004741df962ee3d82bd52ed231a61409c77cf27b5afff75426a03c76c069b09afbae592be7156bb417485e315fc38622703c33c23e730d1ad4a3eca5e1f50b6a297a52092c2031b43438e5bd403edb38973ead90c95d5ddabe16e87ada22a81bc531a4264b4ff7fdc8b758827b25adcef6a7cf448de3da9c881246bc7903d9c4a47d393b4a3d55a8c22a83dc506b0952b8f30b5d420b1091a34071d9f7e58a221abc7125d4bcce071a165569fedaae370adbc5703cdf5afb2370aa093f0bd47e699cd57db01c7a483c959456cef14175acf974a6ee7f96f89d9383cb43f464f34d9d4ec8f2abc9610557c9ad10682186e0bff0561698c675081eaac194fb3467ed803fe6d53d30ebe93acc401c70ac22704e0afb137c26618bd4c3a0616db72029906196179b7dfc0d45f1c5d8f061a35dd649a7547cc1e079cbdb1152c627ac858c695840db6506653955df58132434fc6e455ef5580c6847ee486b4c9acd81d3b87d8b291f0c830a24850e5bdafe1d09c30f000c8a5a90c052d5571cfeb2873fa7ed9faf767e84292db43ac485374b2c2182d3fa5e5cb502efb8d2dd353b5bdc4f80e793db0b36086f67baa8d877eeaf28d0fbb9373de8546a52e0381efd407eb007b6fb3e8d7105c810993ecb873b9a293455ab18449806901ecd06ec168543eda36faf420a2d7b5cc229976fdfadc75d2af92a0810ec426cdcf317c62d7bf33f6adb25039d0b24b47327740c288fff7d574d798cc0e53cc2915e248ee9a330c47a80700831b7c0a1167feebaf4fe14eb97156b22aa4163b31b024eb99893460bb685904bfcb7bde591c42ee6174eba8a3f53aa6bddae45c989c4dee85b247c3d4ddc8dd930383e75c0791260a394fdc633d88b21733323479b46770c74facc63eff616773f71d81f84341ba32022c473692b12bd91532815d3952fcfef61c67f2baef42c1291ede7acf810b96ed39a89df4945f1b5c94cf0e942dd50f43d1f544e1b4bb03506a0adecce06e5edf4e74df59599d5da16844c848a9d178f2bb9d4647e9200c006c38a6c6f380f3ecf794f4ae67ac0d4ad6eec35ba0e2191fa6a3983feb6f90f2a0398d5dacec6fd3857b8b0a7bb80fec17bcfbdb333498b922bd4fb076af3d4fc7bd0195f506503969ca56a68000701ce4a446d597353ae429b62b48ac03483b0982c602b6a704078523762cc1d57c004d667a626bf624d05cef9701591da57c6e8120aa5348a0bcb7286396158b33abc0c011622e6ca81cd245f5c4b73091e8178140d7337d8afd2d0160b4373d757b93db430d6fb434fa5af2dcbaa0777c4f78d7ef52ca95304eccf0cde210700955a7f3653f993de3b418b171509685174c0eed2ff451ddc6efd012e555aa6a541f658750408cdb86d2d9bd4eda40c185a03443886490fd463bc4d3ba75fddeeb6c2f57b5c4aa4746b1b1ef936dec185f6dd1dd5a7de93861041223a353c36f4e2649556780df9cc067ce85f6face549f204898c69fc7eba8525bc602aa620ae8cdb8c999e1f4c67eb47843f151aab0b357c2b0d6d04c8520076a0c55cdf92d021c61c751f77f298ec33b8bd1288d0bb62e5b8498f1b32e8f24d832647eaa151bf938979712e341e2e3b8fec07a969896afb5d238004dcdbc895b9bc74c86d1e4a813494175b2dcf6bf6dd879b9b8f6f8f159ece785ebd12910a30ef817515e5250ac01642d315047881291ce86bfa3838d3cf40af655937723907bff0a02bdc8497078a19765192d63b61f0256bd2e6171a15dda91faceedb31a0040000619d6c821917ceb519ff352a3b79ea9b8bef80a4aaa2746d04134705a5fe437bcf774f43ce0617842f87c42f96715680ed6bfa821181247ff3e7c0eecaddf50882bf5f76500d1606130ee63ef920debca7e0b44f65f909d72e8b366596cf258fda80b8a36961c77c265a4d6bb023c413d8a1fb245ef250ee3ef0d043ec6964ce08ce7cdeb576fdc264be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"61b50a453810d39a219e21fa090df09fb6ad53b63e291b43b4e77e46f6b15b7981973d678d82ba736aaedd11e277f7426e719833e26dc13d3a27daf4560a6a2afefba0c016cdea67f503039d8fa10cc2d4e7d3c19437f258338c32809cd0f730f382278101a0967ad3b1bf39af6a0ad352ca6f7036a0dfe303e2e6ebbe58fae38b3c8c316651786942ee0f0d4031b91ecf35f595a5836992297839958b353e28e34082f2e4053525c20b0d80ea9511a7c0aecd0b5f2a2092618201e9de514550bf539e224c68eb1aa6240c"}, {0x80, 0x13, 0xeb1, "ad6a94f4930939152f1746ad93c35eb6ca2761b7e248a92b81f4c8963ee6b1955825cf78102f742529302c5720cd5402f924fa6ab32dd0bf36c91dd993870ac2cbe8b27552b45a5f0e93996335549d6fb4709e9691b4507bc91aff78c3ba290ae6e3b60674cdab1451dbe3e664b4fb"}, {0xd0, 0x29, 0x5, "a7037acdf9dd18210cffd6f3ab00bc32fd0ed4a9b759da847d8ed295e3cedc5a35a21f38cd71fd90a0b74910bc1f159502af62ddb0f37fa4fb6e789ec120e14e1d240dec3e502b4edc5a6194ee3d90544137ffbc6f636eef7cf1ee56956abef9f4f352b6b5c978b85a0ad6b4a2cbda0a9903c2314254f13f4b7686ae8311134408a3d8e631869891092a07db29d0fc352977a89fa015f101d28d6d2949d730d083fe2ca8bdc52f810db0cbbe2647649dbd4c2bd10acdc3380f96f41849e6141c"}], 0x358}}, {{&(0x7f0000001ec0)=@alg={0x26, 'skcipher\x00', 0x0, 0x0, 'ecb(cast6)\x00'}, 0x80, &(0x7f00000031c0)=[{&(0x7f0000001f40)="18350f8bd4d8b26e7bbca6e82bafffd9073223db180007e887c870640d4ba60d98526cbb2100da6c8645c546e26cdb1889cfbca91ffecb52e43015b0165691f30193061408bab0106a6daf8b6cd74a28f23660e73a79f3bf302239f117eb0a108c094d7dba6c171a177a3ce295c383240a4df647ef8a59bacc07afee2064123b6205b724e4ebacc51aaf1237fe10719154ec21c9c3d5de07f7ed63e595707e9285d1691c7d32a45e5d890893e72891aab697a6aec0f6575bbc15cd907e71b2c7fe18c6ff225148d4910500bb8d27afad706e534836cbb4ace7c8835673f3b692a24f0be23e506d943d507e", 0xeb}, {&(0x7f0000002040)="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0x1000}, {&(0x7f0000003040)="53c09df03bfe6b4ae91cb1655dc274fb66365d4204f2d65cec1b8452624df8ac105f2d983ffdb43f0e7b7d100953b2378e3ac80b00a84db93c0a4a90c6d2beca306c4063dea9de14817f14d9e431ce4876a6649c52522adf34671f", 0x5b}, {&(0x7f00000030c0)="cc866e4ff9eb6eed23af1a08a1e9bb16cfd34128642e7eb0b42fa25a034f52672d9280dec2e4ee5df87d99f3f31e976a94d0674b74ccf014404b9473", 0x3c}, {&(0x7f0000003100)="473c9e3c10a2b08c483880b44dc9430be1639605802d671c195ed3a69954e8b7a64134a19a6ecadc7456b6d4a5f763e4899d79c6421023d8d87efb19e0ade3d1a22ceee14e7948f0ca83c47e1c3d5730d4c3ded134d631dcb3e7fc3b9e8f9da04fa9792f3a34643f8d91358cc30a6136161ded9ba5182cce1d0f9ace7c6274a485", 0x81}], 0x5}}], 0x2, 0x40000) mmap(&(0x7f0000ffc000/0x4000)=nil, 0x4000, 0x1000002, 0x100010, r0, 0xfb9a2000) ioctl$KVM_RUN(r0, 0xae80, 0x0) syz_usb_control_io(0xffffffffffffffff, 0x0, &(0x7f0000000840)={0x84, &(0x7f0000000000)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) 20:57:24 executing program 0 (fault-call:1 fault-nth:47): pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[]) 20:57:24 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x1000000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:57:24 executing program 4 (fault-call:3 fault-nth:58): r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:57:24 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x0, 0x1200, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:57:24 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x41100, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) [ 353.431100][T20705] loop5: detected capacity change from 0 to 32768 [ 353.448792][T20709] loop0: detected capacity change from 0 to 4096 [ 353.466852][T20705] FAT-fs (loop5): bogus number of reserved sectors [ 353.469061][T20709] FAULT_INJECTION: forcing a failure. [ 353.469061][T20709] name failslab, interval 1, probability 0, space 0, times 0 [ 353.473466][T20705] FAT-fs (loop5): Can't find a valid FAT filesystem [ 353.486036][T20709] CPU: 1 PID: 20709 Comm: syz-executor.0 Not tainted 5.12.0-rc5-syzkaller #0 [ 353.501714][T20709] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 353.503664][T20711] loop4: detected capacity change from 0 to 4096 [ 353.520755][T20709] Call Trace: [ 353.520770][T20709] dump_stack+0x137/0x19d [ 353.520798][T20709] should_fail+0x23c/0x250 [ 353.520816][T20709] ? __es_insert_extent+0x546/0xe80 [ 353.532683][T20711] FAULT_INJECTION: forcing a failure. [ 353.532683][T20711] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 353.534761][T20709] __should_failslab+0x81/0x90 [ 353.562147][T20709] should_failslab+0x5/0x20 [ 353.566670][T20709] kmem_cache_alloc+0x46/0x320 [ 353.571445][T20709] ? kcsan_setup_watchpoint+0x26e/0x470 [ 353.577004][T20709] __es_insert_extent+0x546/0xe80 [ 353.582028][T20709] ? __kmalloc+0x1e5/0x380 [ 353.586504][T20709] ? kcalloc+0x32/0x50 [ 353.590570][T20709] ext4_es_insert_extent+0x1bb/0x1a80 [ 353.595947][T20709] ? ext4_ext_convert_to_initialized+0x1000/0x1000 [ 353.602467][T20709] ext4_ext_map_blocks+0xf84/0x1fd0 [ 353.607723][T20709] ? __ext4_handle_dirty_metadata+0x20c/0x590 [ 353.613791][T20709] ? __down_read_common+0x14e/0x510 [ 353.619070][T20709] ? percpu_counter_add_batch+0xe8/0x110 [ 353.624704][T20709] ? ext4_es_lookup_extent+0x221/0x500 [ 353.630177][T20709] ext4_map_blocks+0x1d1/0xff0 [ 353.634937][T20709] ? __ext4_mark_inode_dirty+0x4f1/0x5e0 [ 353.640592][T20709] ext4_getblk+0xb1/0x3d0 [ 353.644984][T20709] ? __ext4_new_inode+0x2b07/0x2fe0 [ 353.650197][T20709] ext4_bread+0x28/0x130 [ 353.654436][T20709] ext4_append+0xd1/0x1c0 [ 353.658830][T20709] ext4_init_new_dir+0x177/0x500 [ 353.663816][T20709] ext4_mkdir+0x329/0x760 [ 353.668163][T20709] vfs_mkdir+0x135/0x1f0 [ 353.672404][T20709] do_mkdirat+0x147/0x230 [ 353.676732][T20709] __x64_sys_mkdir+0x32/0x40 [ 353.681322][T20709] do_syscall_64+0x39/0x80 [ 353.685779][T20709] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 353.691679][T20709] RIP: 0033:0x465567 [ 353.695564][T20709] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 353.715276][T20709] RSP: 002b:00007f14ea25ffa8 EFLAGS: 00000213 ORIG_RAX: 0000000000000053 [ 353.723708][T20709] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000465567 [ 353.731679][T20709] RDX: 0000000000000004 RSI: 00000000000001ff RDI: 0000000020000100 [ 353.739733][T20709] RBP: 00007f14ea260040 R08: 0000000000000000 R09: ffffffffffffffff [ 353.747703][T20709] R10: 0000000000000000 R11: 0000000000000213 R12: 0000000020000000 [ 353.755670][T20709] R13: 0000000020000100 R14: 00007f14ea260000 R15: 0000000020000040 [ 353.763692][T20711] CPU: 0 PID: 20711 Comm: syz-executor.4 Not tainted 5.12.0-rc5-syzkaller #0 [ 353.772473][T20711] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 353.782580][T20711] Call Trace: [ 353.785841][T20711] dump_stack+0x137/0x19d [ 353.790243][T20711] should_fail+0x23c/0x250 [ 353.794810][T20711] should_fail_usercopy+0x16/0x20 [ 353.799822][T20711] _copy_from_user+0x1c/0xd0 [ 353.804397][T20711] __se_sys_mount+0x115/0x2e0 [ 353.809051][T20711] ? mntput+0x45/0x70 [ 353.813200][T20711] ? __fpregs_load_activate+0x103/0x1f0 [ 353.818790][T20711] __x64_sys_mount+0x63/0x70 [ 353.823362][T20711] do_syscall_64+0x39/0x80 [ 353.827805][T20711] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 353.833699][T20711] RIP: 0033:0x46797a [ 353.837599][T20711] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 353.857194][T20711] RSP: 002b:00007fdfcb135fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 353.865597][T20711] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046797a [ 353.873567][T20711] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdfcb136000 [ 353.881518][T20711] RBP: 00007fdfcb136040 R08: 00007fdfcb136040 R09: 0000000020000000 [ 353.889466][T20711] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 353.897694][T20711] R13: 0000000020000100 R14: 00007fdfcb136000 R15: 0000000020000040 [ 353.937008][T20712] VFS: unable to find oldfs superblock on device loop2 [ 353.951887][T20706] loop1: detected capacity change from 0 to 185708 [ 353.952176][T20709] EXT4-fs (loop0): revision level too high, forcing read-only mode [ 353.973113][T20705] loop5: detected capacity change from 0 to 32768 20:57:25 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x41200, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) [ 353.975237][T20709] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: writeback. [ 353.993840][T20711] EXT4-fs (loop4): revision level too high, forcing read-only mode [ 354.001704][T20706] FAT-fs (loop1): Unrecognized mount option "flÕ" or missing value [ 354.013985][T20705] FAT-fs (loop5): bogus number of reserved sectors [ 354.056723][T20705] FAT-fs (loop5): Can't find a valid FAT filesystem [ 354.059074][T20711] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: writeback. 20:57:25 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x10e0000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:57:25 executing program 0 (fault-call:1 fault-nth:48): pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[]) 20:57:25 executing program 4 (fault-call:3 fault-nth:59): r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:57:25 executing program 3: openat(0xffffffffffffffff, 0x0, 0x0, 0x0) r0 = syz_usb_connect(0x5, 0x1b, &(0x7f0000000000)={{0x12, 0x1, 0x201, 0x58, 0xe, 0x9c, 0x40, 0x421, 0xfc, 0x8558, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x9, 0x0, 0x0, 0x0, 0x80}}]}}, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000840)={0x44, &(0x7f0000000000)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) 20:57:25 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x2000000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:57:25 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x0, 0x1800, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 354.256695][T20753] loop0: detected capacity change from 0 to 4096 [ 354.267966][T20753] FAULT_INJECTION: forcing a failure. [ 354.267966][T20753] name failslab, interval 1, probability 0, space 0, times 0 [ 354.280768][T20753] CPU: 1 PID: 20753 Comm: syz-executor.0 Not tainted 5.12.0-rc5-syzkaller #0 [ 354.281067][T20756] loop5: detected capacity change from 0 to 65536 [ 354.289540][T20753] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 354.289557][T20753] Call Trace: [ 354.289567][T20753] dump_stack+0x137/0x19d [ 354.289597][T20753] should_fail+0x23c/0x250 [ 354.310815][T20759] loop4: detected capacity change from 0 to 4096 [ 354.313631][T20753] __should_failslab+0x81/0x90 [ 354.329116][T20753] ? kcalloc+0x32/0x50 [ 354.333191][T20753] should_failslab+0x5/0x20 [ 354.337698][T20753] __kmalloc+0x66/0x380 [ 354.341871][T20753] ? kcalloc+0x32/0x50 [ 354.346016][T20753] kcalloc+0x32/0x50 [ 354.348838][T20756] FAT-fs (loop5): bogus number of reserved sectors [ 354.349927][T20753] ext4_find_extent+0x21c/0x7f0 [ 354.361299][T20753] ? kfree+0xf0/0x1e0 [ 354.362997][T20756] FAT-fs (loop5): Can't find a valid FAT filesystem [ 354.365293][T20753] ext4_ext_map_blocks+0xd9/0x1fd0 [ 354.376983][T20753] ? __ext4_handle_dirty_metadata+0x20c/0x590 [ 354.377783][T20759] FAULT_INJECTION: forcing a failure. [ 354.377783][T20759] name failslab, interval 1, probability 0, space 0, times 0 [ 354.383071][T20753] ? __down_write_common+0x45/0x870 [ 354.383100][T20753] ? __down_read_common+0x14e/0x510 [ 354.406044][T20753] ? percpu_counter_add_batch+0xe8/0x110 [ 354.411686][T20753] ? ext4_es_lookup_extent+0x221/0x500 [ 354.417208][T20753] ext4_map_blocks+0x726/0xff0 [ 354.421975][T20753] ? __ext4_mark_inode_dirty+0x4f1/0x5e0 [ 354.426893][T20760] loop1: detected capacity change from 0 to 185708 [ 354.427645][T20753] ext4_getblk+0xb1/0x3d0 [ 354.427726][T20753] ext4_bread+0x28/0x130 [ 354.442675][T20753] ext4_append+0xd1/0x1c0 [ 354.447021][T20753] ext4_init_new_dir+0x177/0x500 [ 354.451970][T20753] ext4_mkdir+0x329/0x760 [ 354.456224][T20760] FAT-fs (loop1): Unrecognized mount option "flÕ" or missing value [ 354.456324][T20753] vfs_mkdir+0x135/0x1f0 [ 354.468502][T20753] do_mkdirat+0x147/0x230 [ 354.472832][T20753] __x64_sys_mkdir+0x32/0x40 [ 354.477421][T20753] do_syscall_64+0x39/0x80 [ 354.481957][T20753] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 354.487860][T20753] RIP: 0033:0x465567 [ 354.491755][T20753] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 354.511499][T20753] RSP: 002b:00007f14ea25ffa8 EFLAGS: 00000213 ORIG_RAX: 0000000000000053 [ 354.520005][T20753] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000465567 [ 354.528326][T20753] RDX: 0000000000000004 RSI: 00000000000001ff RDI: 0000000020000100 [ 354.536309][T20753] RBP: 00007f14ea260040 R08: 0000000000000000 R09: ffffffffffffffff [ 354.544329][T20753] R10: 0000000000000000 R11: 0000000000000213 R12: 0000000020000000 [ 354.552295][T20753] R13: 0000000020000100 R14: 00007f14ea260000 R15: 0000000020000040 [ 354.560367][T20759] CPU: 0 PID: 20759 Comm: syz-executor.4 Not tainted 5.12.0-rc5-syzkaller #0 [ 354.569143][T20759] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 354.579195][T20759] Call Trace: [ 354.582478][T20759] dump_stack+0x137/0x19d [ 354.586817][T20759] should_fail+0x23c/0x250 [ 354.591232][T20759] ? getname_flags+0x84/0x3d0 [ 354.595907][T20759] __should_failslab+0x81/0x90 [ 354.596483][T20742] VFS: unable to find oldfs superblock on device loop2 [ 354.600684][T20759] should_failslab+0x5/0x20 [ 354.600713][T20759] kmem_cache_alloc+0x46/0x320 [ 354.616789][T20759] ? irqentry_exit_cond_resched+0x22/0x40 [ 354.622510][T20759] ? irqentry_exit+0x2a/0x40 [ 354.627086][T20759] getname_flags+0x84/0x3d0 [ 354.631572][T20759] user_path_at_empty+0x28/0x50 [ 354.636505][T20759] __se_sys_mount+0x209/0x2e0 [ 354.641183][T20759] __x64_sys_mount+0x63/0x70 [ 354.645785][T20759] do_syscall_64+0x39/0x80 [ 354.650298][T20759] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 354.656203][T20759] RIP: 0033:0x46797a [ 354.660098][T20759] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 354.679704][T20759] RSP: 002b:00007fdfcb135fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 354.688135][T20759] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046797a [ 354.696093][T20759] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdfcb136000 20:57:26 executing program 0 (fault-call:1 fault-nth:49): pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[]) [ 354.704064][T20759] RBP: 00007fdfcb136040 R08: 00007fdfcb136040 R09: 0000000020000000 [ 354.712106][T20759] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 354.720072][T20759] R13: 0000000020000100 R14: 00007fdfcb136000 R15: 0000000020000040 20:57:26 executing program 4 (fault-call:3 fault-nth:60): r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 354.779551][T20768] loop2: detected capacity change from 0 to 521 [ 354.798716][T20756] loop5: detected capacity change from 0 to 65536 [ 354.805459][T20768] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 354.825648][T20756] FAT-fs (loop5): bogus number of reserved sectors [ 354.832820][T20768] EXT4-fs (loop2): group descriptors corrupted! [ 354.842836][T20756] FAT-fs (loop5): Can't find a valid FAT filesystem [ 354.863202][T20781] loop4: detected capacity change from 0 to 4096 [ 354.867402][T20760] loop1: detected capacity change from 0 to 185708 [ 354.869704][ T19] usb 4-1: new high-speed USB device number 96 using dummy_hcd [ 354.888919][T20781] FAULT_INJECTION: forcing a failure. [ 354.888919][T20781] name failslab, interval 1, probability 0, space 0, times 0 [ 354.902748][T20781] CPU: 1 PID: 20781 Comm: syz-executor.4 Not tainted 5.12.0-rc5-syzkaller #0 [ 354.911527][T20781] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 354.921675][T20781] Call Trace: [ 354.922760][T20785] loop0: detected capacity change from 0 to 4096 [ 354.924950][T20781] dump_stack+0x137/0x19d [ 354.937007][T20781] should_fail+0x23c/0x250 [ 354.941430][T20781] __should_failslab+0x81/0x90 [ 354.946198][T20781] ? tomoyo_encode2+0x1d3/0x350 [ 354.951073][T20781] should_failslab+0x5/0x20 [ 354.955606][T20781] __kmalloc+0x66/0x380 [ 354.958415][T20785] FAULT_INJECTION: forcing a failure. [ 354.958415][T20785] name failslab, interval 1, probability 0, space 0, times 0 [ 354.959754][T20781] ? crypto_shash_update+0x12c/0x190 [ 354.977648][T20781] tomoyo_encode2+0x1d3/0x350 [ 354.982335][T20781] tomoyo_encode+0x25/0x30 [ 354.987038][T20781] tomoyo_mount_permission+0x1d7/0x700 [ 354.992527][T20781] ? filename_lookup+0x2b6/0x380 [ 354.997472][T20781] ? ___cache_free+0x3c/0x2f0 [ 355.002246][T20781] ? terminate_walk+0x24e/0x270 [ 355.007103][T20781] tomoyo_sb_mount+0x31/0x40 [ 355.011703][T20781] security_sb_mount+0x5c/0xb0 [ 355.016473][T20781] path_mount+0xb1/0x1c00 [ 355.020884][T20781] __se_sys_mount+0x23d/0x2e0 [ 355.025563][T20781] __x64_sys_mount+0x63/0x70 [ 355.030242][T20781] do_syscall_64+0x39/0x80 [ 355.034765][T20781] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 355.040669][T20781] RIP: 0033:0x46797a [ 355.044563][T20781] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 355.064175][T20781] RSP: 002b:00007fdfcb135fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 355.072639][T20781] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046797a 20:57:26 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x41400, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) [ 355.080730][T20781] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdfcb136000 [ 355.088780][T20781] RBP: 00007fdfcb136040 R08: 00007fdfcb136040 R09: 0000000020000000 [ 355.096752][T20781] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 355.106028][T20781] R13: 0000000020000100 R14: 00007fdfcb136000 R15: 0000000020000040 [ 355.114067][T20785] CPU: 0 PID: 20785 Comm: syz-executor.0 Not tainted 5.12.0-rc5-syzkaller #0 [ 355.123224][T20785] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 355.133321][T20785] Call Trace: [ 355.136769][T20785] dump_stack+0x137/0x19d [ 355.141214][T20785] should_fail+0x23c/0x250 [ 355.145889][T20785] ? ext4_mb_new_blocks+0x2dc/0x1150 [ 355.151425][T20785] __should_failslab+0x81/0x90 [ 355.156734][T20785] should_failslab+0x5/0x20 [ 355.161658][T20785] kmem_cache_alloc+0x46/0x320 [ 355.166609][T20785] ext4_mb_new_blocks+0x2dc/0x1150 [ 355.171824][T20785] ? ext4_inode_to_goal_block+0x1bd/0x1d0 [ 355.178866][T20785] ext4_ext_map_blocks+0x146f/0x1fd0 [ 355.184302][T20785] ? percpu_counter_add_batch+0xe8/0x110 [ 355.189969][T20785] ? ext4_es_lookup_extent+0x221/0x500 [ 355.195490][T20785] ext4_map_blocks+0x726/0xff0 [ 355.200285][T20785] ? __ext4_mark_inode_dirty+0x4f1/0x5e0 [ 355.206041][T20785] ext4_getblk+0xb1/0x3d0 [ 355.211111][T20785] ext4_bread+0x28/0x130 [ 355.215345][T20785] ext4_append+0xd1/0x1c0 [ 355.219671][T20785] ext4_init_new_dir+0x177/0x500 [ 355.224671][T20785] ext4_mkdir+0x329/0x760 [ 355.229036][T20785] vfs_mkdir+0x135/0x1f0 [ 355.233309][T20785] do_mkdirat+0x147/0x230 [ 355.237801][T20785] __x64_sys_mkdir+0x32/0x40 [ 355.242504][T20785] do_syscall_64+0x39/0x80 [ 355.246937][T20785] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 355.252907][T20785] RIP: 0033:0x465567 [ 355.256852][T20785] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 20:57:26 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x2040000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:57:26 executing program 4 (fault-call:3 fault-nth:61): r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 355.277374][T20785] RSP: 002b:00007f14ea25ffa8 EFLAGS: 00000213 ORIG_RAX: 0000000000000053 [ 355.286091][T20785] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000465567 [ 355.294303][T20785] RDX: 0000000000000004 RSI: 00000000000001ff RDI: 0000000020000100 [ 355.302535][T20785] RBP: 00007f14ea260040 R08: 0000000000000000 R09: ffffffffffffffff [ 355.310789][T20785] R10: 0000000000000000 R11: 0000000000000213 R12: 0000000020000000 [ 355.319279][T20785] R13: 0000000020000100 R14: 00007f14ea260000 R15: 0000000020000040 20:57:26 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x0, 0x2000, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:57:26 executing program 0 (fault-call:1 fault-nth:50): pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[]) [ 355.395930][T20804] loop5: detected capacity change from 0 to 66048 [ 355.420121][T20803] VFS: unable to find oldfs superblock on device loop2 [ 355.432678][T20804] FAT-fs (loop5): bogus number of reserved sectors [ 355.440456][T20804] FAT-fs (loop5): Can't find a valid FAT filesystem [ 355.443880][T20812] loop4: detected capacity change from 0 to 4096 [ 355.449419][ T19] usb 4-1: unable to get BOS descriptor or descriptor too short [ 355.467776][T20812] FAULT_INJECTION: forcing a failure. [ 355.467776][T20812] name failslab, interval 1, probability 0, space 0, times 0 [ 355.481607][T20812] CPU: 0 PID: 20812 Comm: syz-executor.4 Not tainted 5.12.0-rc5-syzkaller #0 [ 355.490614][T20812] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 355.501292][T20817] loop0: detected capacity change from 0 to 4096 [ 355.501534][T20812] Call Trace: [ 355.501545][T20812] dump_stack+0x137/0x19d [ 355.515998][T20812] should_fail+0x23c/0x250 [ 355.516661][ T19] usb 4-1: unable to read config index 0 descriptor/start: -71 [ 355.520520][T20812] __should_failslab+0x81/0x90 [ 355.520543][T20812] ? tomoyo_realpath_from_path+0x98/0x3b0 [ 355.539278][T20812] should_failslab+0x5/0x20 [ 355.543904][T20812] __kmalloc+0x66/0x380 [ 355.544709][T20817] FAULT_INJECTION: forcing a failure. [ 355.544709][T20817] name failslab, interval 1, probability 0, space 0, times 0 [ 355.548272][T20812] ? tomoyo_encode2+0x1d3/0x350 [ 355.548302][T20812] tomoyo_realpath_from_path+0x98/0x3b0 [ 355.548328][T20812] tomoyo_mount_permission+0x215/0x700 [ 355.566377][ T19] usb 4-1: can't read configurations, error -71 [ 355.566484][T20812] ? filename_lookup+0x2b6/0x380 [ 355.566506][T20812] ? ___cache_free+0x3c/0x2f0 [ 355.566526][T20812] tomoyo_sb_mount+0x31/0x40 [ 355.599364][T20812] security_sb_mount+0x5c/0xb0 [ 355.604301][T20812] path_mount+0xb1/0x1c00 [ 355.608662][T20812] __se_sys_mount+0x23d/0x2e0 [ 355.613571][T20812] __x64_sys_mount+0x63/0x70 [ 355.618775][T20812] do_syscall_64+0x39/0x80 [ 355.623509][T20812] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 355.629770][T20812] RIP: 0033:0x46797a [ 355.633861][T20812] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 355.654952][T20812] RSP: 002b:00007fdfcb135fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 355.663775][T20812] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046797a [ 355.672709][T20812] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdfcb136000 [ 355.681183][T20812] RBP: 00007fdfcb136040 R08: 00007fdfcb136040 R09: 0000000020000000 [ 355.689283][T20812] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 355.697709][T20812] R13: 0000000020000100 R14: 00007fdfcb136000 R15: 0000000020000040 [ 355.706338][T20817] CPU: 1 PID: 20817 Comm: syz-executor.0 Not tainted 5.12.0-rc5-syzkaller #0 [ 355.710721][T20812] ERROR: Out of memory at tomoyo_realpath_from_path. [ 355.715480][T20817] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 355.715493][T20817] Call Trace: [ 355.715501][T20817] dump_stack+0x137/0x19d [ 355.726324][T20818] loop2: detected capacity change from 0 to 522 [ 355.734290][T20817] should_fail+0x23c/0x250 [ 355.734317][T20817] ? ext4_mb_new_blocks+0x6af/0x1150 [ 355.740779][T20818] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 355.742452][T20817] __should_failslab+0x81/0x90 [ 355.750435][T20818] EXT4-fs (loop2): group descriptors corrupted! [ 355.754468][T20817] should_failslab+0x5/0x20 [ 355.754498][T20817] kmem_cache_alloc+0x46/0x320 [ 355.754517][T20817] ext4_mb_new_blocks+0x6af/0x1150 [ 355.761358][T20815] loop1: detected capacity change from 0 to 185708 [ 355.770942][T20817] ? ext4_inode_to_goal_block+0x1bd/0x1d0 [ 355.770971][T20817] ext4_ext_map_blocks+0x146f/0x1fd0 [ 355.819160][T20817] ? percpu_counter_add_batch+0xe8/0x110 [ 355.825024][T20817] ? ext4_es_lookup_extent+0x221/0x500 [ 355.831032][T20817] ext4_map_blocks+0x726/0xff0 [ 355.836101][T20817] ? __ext4_mark_inode_dirty+0x4f1/0x5e0 [ 355.842941][T20817] ext4_getblk+0xb1/0x3d0 [ 355.848023][T20817] ext4_bread+0x28/0x130 [ 355.852900][T20817] ext4_append+0xd1/0x1c0 [ 355.857558][T20817] ext4_init_new_dir+0x177/0x500 [ 355.862963][T20817] ext4_mkdir+0x329/0x760 [ 355.867751][T20817] vfs_mkdir+0x135/0x1f0 [ 355.872326][T20817] do_mkdirat+0x147/0x230 [ 355.877258][T20817] __x64_sys_mkdir+0x32/0x40 [ 355.882123][T20817] do_syscall_64+0x39/0x80 [ 355.887002][T20817] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 355.893073][T20817] RIP: 0033:0x465567 [ 355.897321][T20817] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 355.919074][T20817] RSP: 002b:00007f14ea25ffa8 EFLAGS: 00000213 ORIG_RAX: 0000000000000053 [ 355.928674][T20817] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000465567 [ 355.937898][T20817] RDX: 0000000000000004 RSI: 00000000000001ff RDI: 0000000020000100 [ 355.946832][T20817] RBP: 00007f14ea260040 R08: 0000000000000000 R09: ffffffffffffffff [ 355.956785][T20817] R10: 0000000000000000 R11: 0000000000000213 R12: 0000000020000000 [ 355.965394][T20817] R13: 0000000020000100 R14: 00007f14ea260000 R15: 0000000020000040 20:57:27 executing program 0 (fault-call:1 fault-nth:51): pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[]) 20:57:27 executing program 4 (fault-call:3 fault-nth:62): r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 356.011806][T20815] FAT-fs (loop1): Unrecognized mount option "flÕ" or missing value [ 356.039513][T20804] loop5: detected capacity change from 0 to 66048 [ 356.048986][T20804] FAT-fs (loop5): bogus number of reserved sectors [ 356.066025][T20804] FAT-fs (loop5): Can't find a valid FAT filesystem [ 356.078309][T20832] loop2: detected capacity change from 0 to 522 [ 356.094542][T20837] loop0: detected capacity change from 0 to 4096 [ 356.114511][T20837] FAULT_INJECTION: forcing a failure. [ 356.114511][T20837] name failslab, interval 1, probability 0, space 0, times 0 [ 356.127249][T20832] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 356.128310][T20837] CPU: 0 PID: 20837 Comm: syz-executor.0 Not tainted 5.12.0-rc5-syzkaller #0 [ 356.149621][T20837] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 356.159700][T20837] Call Trace: 20:57:27 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x3000000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 356.163209][T20837] dump_stack+0x137/0x19d [ 356.167721][T20837] should_fail+0x23c/0x250 [ 356.172370][T20837] ? __es_insert_extent+0x546/0xe80 [ 356.178238][T20837] __should_failslab+0x81/0x90 [ 356.184565][T20837] should_failslab+0x5/0x20 [ 356.189487][T20837] kmem_cache_alloc+0x46/0x320 [ 356.194766][T20837] __es_insert_extent+0x546/0xe80 [ 356.199976][T20837] ext4_es_insert_extent+0x1bb/0x1a80 [ 356.205563][T20837] ? ext4_es_lookup_extent+0x221/0x500 [ 356.211485][T20837] ext4_map_blocks+0xaf4/0xff0 20:57:27 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x0, 0x2500, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 356.214499][T20832] EXT4-fs (loop2): group descriptors corrupted! [ 356.216341][T20837] ext4_getblk+0xb1/0x3d0 [ 356.216364][T20837] ext4_bread+0x28/0x130 [ 356.232392][T20837] ext4_append+0xd1/0x1c0 [ 356.237323][T20837] ext4_init_new_dir+0x177/0x500 [ 356.242798][T20837] ext4_mkdir+0x329/0x760 [ 356.247245][T20837] vfs_mkdir+0x135/0x1f0 [ 356.251654][T20837] do_mkdirat+0x147/0x230 [ 356.256007][T20837] __x64_sys_mkdir+0x32/0x40 [ 356.261113][T20837] do_syscall_64+0x39/0x80 [ 356.265798][T20837] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 356.272040][T20837] RIP: 0033:0x465567 [ 356.276158][T20837] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 356.296557][T20837] RSP: 002b:00007f14ea25ffa8 EFLAGS: 00000213 ORIG_RAX: 0000000000000053 [ 356.304991][T20837] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000465567 [ 356.313229][T20837] RDX: 0000000000000004 RSI: 00000000000001ff RDI: 0000000020000100 [ 356.321316][T20837] RBP: 00007f14ea260040 R08: 0000000000000000 R09: ffffffffffffffff [ 356.329633][T20837] R10: 0000000000000000 R11: 0000000000000213 R12: 0000000020000000 [ 356.338003][T20837] R13: 0000000020000100 R14: 00007f14ea260000 R15: 0000000020000040 [ 356.348649][T20850] loop4: detected capacity change from 0 to 4096 20:57:27 executing program 3: openat(0xffffffffffffffff, 0x0, 0x0, 0x0) r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000080)={{0x12, 0x1, 0x0, 0xf6, 0xbe, 0xd8, 0x8, 0xc72, 0xd, 0x9bc9, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x9b, 0x10, 0x39}}]}}]}}, 0x0) syz_usb_control_io$cdc_ecm(0xffffffffffffffff, 0x0, 0x0) syz_usb_control_io(0xffffffffffffffff, 0x0, &(0x7f00000012c0)={0x84, &(0x7f0000000e40)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io(0xffffffffffffffff, 0x0, &(0x7f0000000880)={0x84, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f00000006c0)={0x40, 0x21, 0x1}}) syz_usb_control_io$hid(0xffffffffffffffff, 0x0, 0x0) syz_usb_control_io(0xffffffffffffffff, 0x0, &(0x7f00000007c0)={0x84, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000780)={0x40, 0x21, 0x1, 0x2}}) syz_usb_control_io$hid(0xffffffffffffffff, 0x0, 0x0) syz_usb_control_io$hid(0xffffffffffffffff, 0x0, &(0x7f0000000580)={0x2c, &(0x7f0000000440)=ANY=[], 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$hid(0xffffffffffffffff, 0x0, &(0x7f0000000380)={0x2c, &(0x7f0000000080), 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io(0xffffffffffffffff, &(0x7f0000000380)={0x2c, &(0x7f0000000240)={0x40, 0x10, 0x9d, {0x9d, 0xf, "e06172dd8bbc2f5ad86b0feaec9024f7ab6f5f27f75a0640f30931eec27548f95de3000de753e885fb9542b2ceb8a4c881fc40b7e85362fe3b5cc31032f093441b8a4764df910212a4b782706bbf95b9109432fe04f603005c8f1cfa33300a950896180fbf693be0edd8edb7f9adc6846c99f7c4d4a481fcdedc40d9bae7bfd09a1ed92f2b8f788efe7c3ddc4e79d25974736fb83ff54dace6e2dc"}}, &(0x7f0000000940)=ANY=[@ANYBLOB="ca478e1f34cc5da179c4ff0023"], &(0x7f00000001c0)={0x0, 0xf, 0x5, {0x5, 0xf, 0x5}}, &(0x7f0000000300)={0x20, 0x29, 0xf, {0xf, 0x29, 0x2, 0x3, 0x7, 0x8, "5263281e", "d4eeecd6"}}, &(0x7f0000000340)={0x20, 0x2a, 0xc, {0xc, 0x2a, 0xff, 0x18, 0x80, 0x6, 0x7, 0x5, 0x3}}}, &(0x7f00000007c0)={0x84, &(0x7f00000003c0)={0x40, 0x5, 0x9, "07952f13f4d04fffd1"}, &(0x7f0000000400)={0x0, 0xa, 0x1, 0x20}, &(0x7f0000000440)={0x0, 0x8, 0x1, 0xc9}, &(0x7f0000000480)={0x20, 0x0, 0x4, {0x1}}, &(0x7f00000004c0)={0x20, 0x0, 0x8, {0x1c00, 0x2, [0xffe6]}}, &(0x7f0000000500)={0x40, 0x7, 0x2, 0x3ff}, &(0x7f0000000540)={0x40, 0x9, 0x1, 0x39}, &(0x7f0000000580)={0x40, 0xb, 0x2, "ed9a"}, &(0x7f00000005c0)={0x40, 0xf, 0x2, 0x7}, &(0x7f0000000600)={0x40, 0x13, 0x6, @multicast}, &(0x7f0000000640)={0x40, 0x17, 0x6, @local}, &(0x7f0000000680)={0x40, 0x19, 0x2, "dca8"}, &(0x7f00000006c0)={0x40, 0x1a, 0x2, 0xff}, &(0x7f0000000700)={0x40, 0x1c, 0x1, 0x55}, &(0x7f0000000740)={0x40, 0x1e, 0x1, 0x2a}, &(0x7f0000000780)={0x40, 0x21, 0x1, 0x20}}) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000001240)={&(0x7f0000000200)=@newlink={0x3c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_MTU={0x8, 0x4, 0x10001}, @IFLA_IFNAME={0x14, 0x3, 'ip6gretap0\x00'}]}, 0x3c}}, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000001240)={&(0x7f0000000200)=@newlink={0x3c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_MTU={0x8, 0x4, 0x10001}, @IFLA_IFNAME={0x14, 0x3, 'ip6gretap0\x00'}]}, 0x3c}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000001240)={&(0x7f0000000200)=@newlink={0x3c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_MTU={0x8, 0x4, 0x10001}, @IFLA_IFNAME={0x14, 0x3, 'ip6gretap0\x00'}]}, 0x3c}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r4, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000001240)={&(0x7f0000000200)=@newlink={0x3c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_MTU={0x8, 0x4, 0x10001}, @IFLA_IFNAME={0x14, 0x3, 'ip6gretap0\x00'}]}, 0x3c}}, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f00000000c0)={0x84, &(0x7f0000000000)=ANY=[@ANYBLOB="5a81db42c7ca1f0993a5b55ce36bdbf0b763aa3f84", @ANYRES16=r1, @ANYRESHEX=r2, @ANYRES64, @ANYRESHEX=r4], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) [ 356.359886][T20837] EXT4-fs (loop0): revision level too high, forcing read-only mode [ 356.369548][T20850] FAULT_INJECTION: forcing a failure. [ 356.369548][T20850] name failslab, interval 1, probability 0, space 0, times 0 [ 356.380839][T20837] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: writeback. [ 356.383309][T20850] CPU: 1 PID: 20850 Comm: syz-executor.4 Not tainted 5.12.0-rc5-syzkaller #0 [ 356.398011][T20855] loop5: detected capacity change from 0 to 98304 [ 356.404020][T20850] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 356.404035][T20850] Call Trace: [ 356.404044][T20850] dump_stack+0x137/0x19d [ 356.428969][T20850] should_fail+0x23c/0x250 [ 356.433772][T20850] __should_failslab+0x81/0x90 [ 356.439186][T20850] ? tomoyo_realpath_from_path+0x98/0x3b0 [ 356.445255][T20850] should_failslab+0x5/0x20 [ 356.449887][T20850] __kmalloc+0x66/0x380 [ 356.454287][T20850] ? tomoyo_encode2+0x1d3/0x350 [ 356.459550][T20850] tomoyo_realpath_from_path+0x98/0x3b0 [ 356.465303][T20850] tomoyo_mount_permission+0x215/0x700 [ 356.470930][T20850] ? filename_lookup+0x2b6/0x380 [ 356.475941][T20850] ? ___cache_free+0x3c/0x2f0 [ 356.480821][T20850] tomoyo_sb_mount+0x31/0x40 [ 356.485662][T20850] security_sb_mount+0x5c/0xb0 [ 356.490779][T20850] path_mount+0xb1/0x1c00 [ 356.495165][T20850] __se_sys_mount+0x23d/0x2e0 [ 356.500029][T20850] __x64_sys_mount+0x63/0x70 [ 356.504933][T20850] do_syscall_64+0x39/0x80 [ 356.509762][T20850] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 356.515678][T20850] RIP: 0033:0x46797a [ 356.519586][T20850] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 356.539675][T20850] RSP: 002b:00007fdfcb135fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 356.548117][T20850] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046797a [ 356.556685][T20850] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdfcb136000 [ 356.565658][T20850] RBP: 00007fdfcb136040 R08: 00007fdfcb136040 R09: 0000000020000000 [ 356.574371][T20850] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 356.582597][T20850] R13: 0000000020000100 R14: 00007fdfcb136000 R15: 0000000020000040 20:57:28 executing program 0 (fault-call:1 fault-nth:52): pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[]) [ 356.655796][T20859] loop1: detected capacity change from 0 to 185708 [ 356.664837][T20855] FAT-fs (loop5): bogus number of reserved sectors [ 356.675689][T20859] FAT-fs (loop1): Unrecognized mount option "flÕ" or missing value [ 356.686452][T20855] FAT-fs (loop5): Can't find a valid FAT filesystem 20:57:28 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x42000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) [ 356.705091][T20850] ERROR: Out of memory at tomoyo_realpath_from_path. [ 356.719245][T20869] loop0: detected capacity change from 0 to 4096 [ 356.729229][T20869] FAULT_INJECTION: forcing a failure. [ 356.729229][T20869] name failslab, interval 1, probability 0, space 0, times 0 [ 356.743034][T20869] CPU: 0 PID: 20869 Comm: syz-executor.0 Not tainted 5.12.0-rc5-syzkaller #0 [ 356.752739][T20869] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 356.763469][T20869] Call Trace: [ 356.767191][T20869] dump_stack+0x137/0x19d [ 356.771545][T20869] should_fail+0x23c/0x250 [ 356.776240][T20869] ? ext4_mb_new_blocks+0x6af/0x1150 [ 356.781911][T20869] __should_failslab+0x81/0x90 [ 356.786701][T20869] should_failslab+0x5/0x20 [ 356.791532][T20869] kmem_cache_alloc+0x46/0x320 [ 356.796385][T20869] ext4_mb_new_blocks+0x6af/0x1150 [ 356.801522][T20869] ? ext4_inode_to_goal_block+0x1bd/0x1d0 [ 356.807612][T20869] ext4_ext_map_blocks+0x146f/0x1fd0 [ 356.813719][T20869] ? percpu_counter_add_batch+0xe8/0x110 [ 356.820077][T20869] ? ext4_es_lookup_extent+0x221/0x500 [ 356.825830][T20869] ext4_map_blocks+0x726/0xff0 [ 356.830824][T20869] ? __ext4_mark_inode_dirty+0x4f1/0x5e0 [ 356.837170][T20869] ext4_getblk+0xb1/0x3d0 [ 356.842307][T20869] ext4_bread+0x28/0x130 [ 356.847734][T20869] ext4_append+0xd1/0x1c0 [ 356.852340][T20869] ext4_init_new_dir+0x177/0x500 [ 356.857421][T20869] ext4_mkdir+0x329/0x760 [ 356.862134][T20869] vfs_mkdir+0x135/0x1f0 [ 356.866477][T20869] do_mkdirat+0x147/0x230 [ 356.871130][T20869] __x64_sys_mkdir+0x32/0x40 [ 356.876106][T20869] do_syscall_64+0x39/0x80 [ 356.881395][T20869] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 356.887462][T20869] RIP: 0033:0x465567 [ 356.891540][T20869] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 356.912195][T20869] RSP: 002b:00007f14ea25ffa8 EFLAGS: 00000213 ORIG_RAX: 0000000000000053 [ 356.922811][T20869] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000465567 [ 356.931884][T20869] RDX: 0000000000000004 RSI: 00000000000001ff RDI: 0000000020000100 [ 356.941022][T20869] RBP: 00007f14ea260040 R08: 0000000000000000 R09: ffffffffffffffff [ 356.949791][T20869] R10: 0000000000000000 R11: 0000000000000213 R12: 0000000020000000 [ 356.958059][T20869] R13: 0000000020000100 R14: 00007f14ea260000 R15: 0000000020000040 20:57:28 executing program 4 (fault-call:3 fault-nth:63): r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 357.003209][T20855] loop5: detected capacity change from 0 to 98304 [ 357.029487][T20855] FAT-fs (loop5): bogus number of reserved sectors [ 357.030859][T20859] loop1: detected capacity change from 0 to 185708 20:57:28 executing program 0 (fault-call:1 fault-nth:53): pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[]) [ 357.048544][T20855] FAT-fs (loop5): Can't find a valid FAT filesystem [ 357.092574][T20884] VFS: unable to find oldfs superblock on device loop2 [ 357.114893][T20887] loop4: detected capacity change from 0 to 4096 [ 357.125493][T20890] loop0: detected capacity change from 0 to 4096 20:57:28 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x4000000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:57:28 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x0, 0x3f00, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 357.142344][T20890] FAULT_INJECTION: forcing a failure. [ 357.142344][T20890] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 357.154937][T20887] FAULT_INJECTION: forcing a failure. [ 357.154937][T20887] name failslab, interval 1, probability 0, space 0, times 0 [ 357.175429][T20884] loop2: detected capacity change from 0 to 528 [ 357.185446][T20887] CPU: 1 PID: 20887 Comm: syz-executor.4 Not tainted 5.12.0-rc5-syzkaller #0 [ 357.189750][T20884] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 357.195128][T20887] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 357.195144][T20887] Call Trace: [ 357.195153][T20887] dump_stack+0x137/0x19d [ 357.225167][T20887] should_fail+0x23c/0x250 [ 357.229743][T20887] ? getname_kernel+0x37/0x1d0 [ 357.234774][T20887] __should_failslab+0x81/0x90 [ 357.240030][T20887] should_failslab+0x5/0x20 [ 357.243722][T20884] EXT4-fs (loop2): group descriptors corrupted! [ 357.244728][T20887] kmem_cache_alloc+0x46/0x320 [ 357.244752][T20887] getname_kernel+0x37/0x1d0 [ 357.261409][T20887] kern_path+0x19/0x40 [ 357.265651][T20887] tomoyo_mount_permission+0x5e9/0x700 [ 357.271644][T20887] ? ___cache_free+0x3c/0x2f0 [ 357.276965][T20887] tomoyo_sb_mount+0x31/0x40 [ 357.281582][T20887] security_sb_mount+0x5c/0xb0 [ 357.286553][T20887] path_mount+0xb1/0x1c00 [ 357.290904][T20887] __se_sys_mount+0x23d/0x2e0 [ 357.295616][T20887] __x64_sys_mount+0x63/0x70 [ 357.300457][T20887] do_syscall_64+0x39/0x80 [ 357.304940][T20887] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 357.311101][T20887] RIP: 0033:0x46797a [ 357.315227][T20887] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 357.335479][T20887] RSP: 002b:00007fdfcb135fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 357.344144][T20887] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046797a [ 357.352428][T20887] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdfcb136000 [ 357.360886][T20887] RBP: 00007fdfcb136040 R08: 00007fdfcb136040 R09: 0000000020000000 [ 357.369934][T20887] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 357.378448][T20887] R13: 0000000020000100 R14: 00007fdfcb136000 R15: 0000000020000040 [ 357.387074][T20890] CPU: 0 PID: 20890 Comm: syz-executor.0 Not tainted 5.12.0-rc5-syzkaller #0 [ 357.396211][T20890] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 357.406969][T20890] Call Trace: [ 357.410272][T20890] dump_stack+0x137/0x19d [ 357.414621][T20890] should_fail+0x23c/0x250 [ 357.419354][T20890] should_fail_usercopy+0x16/0x20 [ 357.424423][T20890] _copy_from_user+0x1c/0xd0 [ 357.429297][T20890] strndup_user+0xb0/0x120 [ 357.434173][T20890] __se_sys_mount+0x4e/0x2e0 [ 357.439105][T20890] ? mntput+0x45/0x70 [ 357.443123][T20890] ? __fpregs_load_activate+0x103/0x1f0 [ 357.448749][T20890] __x64_sys_mount+0x63/0x70 [ 357.453655][T20890] do_syscall_64+0x39/0x80 [ 357.456674][ T19] usb 4-1: new high-speed USB device number 97 using dummy_hcd [ 357.458120][T20890] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 357.471582][T20890] RIP: 0033:0x46797a [ 357.475807][T20890] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 357.499180][T20890] RSP: 002b:00007f14ea25ffa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 357.508004][T20890] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046797a [ 357.516266][T20890] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f14ea260000 [ 357.524838][T20890] RBP: 00007f14ea260040 R08: 00007f14ea260040 R09: 0000000020000000 [ 357.532926][T20890] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 357.541402][T20890] R13: 0000000020000100 R14: 00007f14ea260000 R15: 0000000020000040 20:57:29 executing program 0 (fault-call:1 fault-nth:54): pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[]) [ 357.600573][T20884] VFS: unable to find oldfs superblock on device loop2 [ 357.611979][T20901] loop5: detected capacity change from 0 to 131072 [ 357.620791][T20905] loop1: detected capacity change from 0 to 185708 20:57:29 executing program 4 (fault-call:3 fault-nth:64): r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:57:29 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x42010, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) [ 357.661972][T20901] FAT-fs (loop5): bogus number of reserved sectors [ 357.674705][T20905] FAT-fs (loop1): Unrecognized mount option "flÕ" or missing value [ 357.695795][T20901] FAT-fs (loop5): Can't find a valid FAT filesystem [ 357.696678][ T19] usb 4-1: Using ep0 maxpacket: 8 [ 357.727636][T20920] loop0: detected capacity change from 0 to 4096 [ 357.740721][T20920] FAULT_INJECTION: forcing a failure. [ 357.740721][T20920] name failslab, interval 1, probability 0, space 0, times 0 [ 357.763772][T20920] CPU: 1 PID: 20920 Comm: syz-executor.0 Not tainted 5.12.0-rc5-syzkaller #0 [ 357.773459][T20920] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 357.783718][T20920] Call Trace: [ 357.784811][T20928] loop4: detected capacity change from 0 to 4096 [ 357.787193][T20920] dump_stack+0x137/0x19d [ 357.799098][T20920] should_fail+0x23c/0x250 [ 357.803667][T20920] __should_failslab+0x81/0x90 [ 357.804523][T20928] FAULT_INJECTION: forcing a failure. [ 357.804523][T20928] name failslab, interval 1, probability 0, space 0, times 0 [ 357.808889][T20920] ? __se_sys_mount+0x91/0x2e0 [ 357.808913][T20920] should_failslab+0x5/0x20 [ 357.808937][T20920] __kmalloc_track_caller+0x64/0x380 [ 357.838033][T20920] ? strnlen_user+0x137/0x1c0 [ 357.843008][T20920] strndup_user+0x73/0x120 [ 357.847649][T20920] __se_sys_mount+0x91/0x2e0 [ 357.853068][T20920] ? mntput+0x45/0x70 [ 357.857476][T20920] ? __fpregs_load_activate+0x103/0x1f0 [ 357.863467][T20920] __x64_sys_mount+0x63/0x70 [ 357.868789][T20920] do_syscall_64+0x39/0x80 20:57:29 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x0, 0x5c00, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 357.873951][T20920] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 357.880579][T20920] RIP: 0033:0x46797a [ 357.884835][T20920] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 357.905514][T20920] RSP: 002b:00007f14ea25ffa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 357.914802][T20920] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046797a [ 357.923335][T20920] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f14ea260000 [ 357.931449][T20920] RBP: 00007f14ea260040 R08: 00007f14ea260040 R09: 0000000020000000 [ 357.940255][T20920] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 357.948370][T20920] R13: 0000000020000100 R14: 00007f14ea260000 R15: 0000000020000040 [ 357.962797][T20901] loop5: detected capacity change from 0 to 131072 [ 357.966858][T20934] VFS: unable to find oldfs superblock on device loop2 [ 357.976847][T20928] CPU: 0 PID: 20928 Comm: syz-executor.4 Not tainted 5.12.0-rc5-syzkaller #0 [ 357.977990][T20901] FAT-fs (loop5): bogus number of reserved sectors [ 357.985738][T20928] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 357.992885][T20901] FAT-fs (loop5): Can't find a valid FAT filesystem [ 358.003003][T20928] Call Trace: [ 358.003016][T20928] dump_stack+0x137/0x19d [ 358.003044][T20928] should_fail+0x23c/0x250 [ 358.003062][T20928] __should_failslab+0x81/0x90 [ 358.016917][ T19] usb 4-1: New USB device found, idVendor=0c72, idProduct=000d, bcdDevice=9b.c9 [ 358.017669][T20928] ? tomoyo_realpath_from_path+0x98/0x3b0 [ 358.022233][ T19] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 358.027348][T20928] should_failslab+0x5/0x20 [ 358.047873][ T19] usb 4-1: config 0 descriptor?? [ 358.050293][T20928] __kmalloc+0x66/0x380 [ 358.064378][T20928] ? getname_kernel+0x37/0x1d0 [ 358.069419][T20928] tomoyo_realpath_from_path+0x98/0x3b0 [ 358.075034][T20928] tomoyo_mount_permission+0x639/0x700 [ 358.080612][T20928] ? ___cache_free+0x3c/0x2f0 [ 358.085482][T20928] tomoyo_sb_mount+0x31/0x40 [ 358.090290][T20928] security_sb_mount+0x5c/0xb0 [ 358.095247][T20928] path_mount+0xb1/0x1c00 [ 358.099597][T20928] __se_sys_mount+0x23d/0x2e0 [ 358.104418][T20928] __x64_sys_mount+0x63/0x70 [ 358.109027][T20928] do_syscall_64+0x39/0x80 [ 358.113469][T20928] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 358.119749][T20928] RIP: 0033:0x46797a [ 358.123666][T20928] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 358.144021][T20928] RSP: 002b:00007fdfcb135fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 358.152731][T20928] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046797a [ 358.161688][T20928] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdfcb136000 [ 358.170064][T20928] RBP: 00007fdfcb136040 R08: 00007fdfcb136040 R09: 0000000020000000 [ 358.179122][T20928] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 358.187316][T20928] R13: 0000000020000100 R14: 00007fdfcb136000 R15: 0000000020000040 [ 358.200353][T20928] ERROR: Out of memory at tomoyo_realpath_from_path. 20:57:29 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x5000000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 358.240859][T20941] loop2: detected capacity change from 0 to 528 [ 358.249667][T20940] loop1: detected capacity change from 0 to 185708 [ 358.289721][T20940] FAT-fs (loop1): Unrecognized mount option "flÕ" or missing value [ 358.312661][T20960] loop5: detected capacity change from 0 to 163840 [ 358.356479][T20960] FAT-fs (loop5): bogus number of reserved sectors [ 358.369090][T20939] loop2: detected capacity change from 0 to 528 [ 358.384545][T20939] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 358.401176][T20960] FAT-fs (loop5): Can't find a valid FAT filesystem [ 358.419256][T20939] EXT4-fs (loop2): group descriptors corrupted! [ 358.442284][T20960] loop5: detected capacity change from 0 to 163840 [ 358.451192][T20960] FAT-fs (loop5): bogus number of reserved sectors [ 358.461281][T20960] FAT-fs (loop5): Can't find a valid FAT filesystem [ 358.526744][ T19] peak_usb 4-1:0.0 can0: unable to request usb[type=0 value=0] err=-71 [ 358.535555][ T19] peak_usb 4-1:0.0: unable to read PCAN-USB Pro bootloader info (err -71) [ 358.576710][ T19] peak_usb: probe of 4-1:0.0 failed with error -71 [ 358.610537][ T19] usb 4-1: USB disconnect, device number 97 20:57:30 executing program 3: openat(0xffffffffffffffff, 0x0, 0x0, 0xe0) syz_usb_connect(0x0, 0x2ea, &(0x7f0000000440)=ANY=[@ANYBLOB="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"], 0x0) r0 = syz_usb_connect_ath9k(0x3, 0xffffffffffffff09, &(0x7f00000003c0)={{0x12, 0x1, 0x200, 0xff, 0xff, 0xff, 0x40, 0xcf3, 0x9271, 0x108, 0x1, 0x2, 0x3, 0x38e3909, [{{0x9, 0x2, 0x48}}]}}, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000000)={0x84, &(0x7f0000000000)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) 20:57:30 executing program 0 (fault-call:1 fault-nth:55): pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[]) 20:57:30 executing program 4 (fault-call:3 fault-nth:65): r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:57:30 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x0, 0xfeff, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:57:30 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x42500, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) 20:57:30 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x6000000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 359.158295][T21006] loop5: detected capacity change from 0 to 196608 [ 359.174467][T21006] FAT-fs (loop5): bogus number of reserved sectors [ 359.182531][T21006] FAT-fs (loop5): Can't find a valid FAT filesystem [ 359.189726][T21011] loop0: detected capacity change from 0 to 4096 [ 359.202213][T21012] loop4: detected capacity change from 0 to 4096 [ 359.204464][T21009] VFS: unable to find oldfs superblock on device loop2 [ 359.218263][T21012] FAULT_INJECTION: forcing a failure. [ 359.218263][T21012] name failslab, interval 1, probability 0, space 0, times 0 [ 359.220242][T21011] FAULT_INJECTION: forcing a failure. [ 359.220242][T21011] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 359.245945][T21011] CPU: 1 PID: 21011 Comm: syz-executor.0 Not tainted 5.12.0-rc5-syzkaller #0 [ 359.255981][T21011] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 359.266588][T21011] Call Trace: [ 359.270259][T21011] dump_stack+0x137/0x19d [ 359.275112][T21011] should_fail+0x23c/0x250 [ 359.279620][T21011] should_fail_usercopy+0x16/0x20 [ 359.284946][T21011] _copy_from_user+0x1c/0xd0 [ 359.289957][T21011] strndup_user+0xb0/0x120 [ 359.294523][T21011] __se_sys_mount+0x91/0x2e0 [ 359.299157][T21011] ? mntput+0x45/0x70 [ 359.303297][T21011] ? __fpregs_load_activate+0x103/0x1f0 [ 359.309440][T21011] __x64_sys_mount+0x63/0x70 [ 359.314606][T21011] do_syscall_64+0x39/0x80 [ 359.319370][T21011] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 359.325477][T21011] RIP: 0033:0x46797a [ 359.329740][T21011] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 359.351034][T21011] RSP: 002b:00007f14ea25ffa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 359.359972][T21011] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046797a [ 359.368543][T21011] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f14ea260000 [ 359.377459][T21011] RBP: 00007f14ea260040 R08: 00007f14ea260040 R09: 0000000020000000 [ 359.385814][T21011] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 359.393825][T21011] R13: 0000000020000100 R14: 00007f14ea260000 R15: 0000000020000040 [ 359.402294][T21012] CPU: 0 PID: 21012 Comm: syz-executor.4 Not tainted 5.12.0-rc5-syzkaller #0 [ 359.411084][T21012] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 359.421153][T21012] Call Trace: [ 359.424449][T21012] dump_stack+0x137/0x19d [ 359.428863][T21012] should_fail+0x23c/0x250 [ 359.433296][T21012] __should_failslab+0x81/0x90 [ 359.438260][T21012] ? tomoyo_realpath_from_path+0x98/0x3b0 [ 359.444021][T21012] should_failslab+0x5/0x20 [ 359.448767][T21012] __kmalloc+0x66/0x380 [ 359.453232][T21012] ? getname_kernel+0x37/0x1d0 [ 359.458504][T21012] tomoyo_realpath_from_path+0x98/0x3b0 [ 359.464835][T21012] tomoyo_mount_permission+0x639/0x700 [ 359.470784][T21012] ? ___cache_free+0x3c/0x2f0 [ 359.475529][T21012] tomoyo_sb_mount+0x31/0x40 [ 359.481027][T21012] security_sb_mount+0x5c/0xb0 [ 359.486198][T21012] path_mount+0xb1/0x1c00 [ 359.490558][T21012] __se_sys_mount+0x23d/0x2e0 [ 359.495449][T21012] __x64_sys_mount+0x63/0x70 [ 359.500742][T21012] do_syscall_64+0x39/0x80 [ 359.505539][T21012] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 359.511736][T21012] RIP: 0033:0x46797a [ 359.516002][T21012] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 359.536215][T21012] RSP: 002b:00007fdfcb135fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 359.545174][T21012] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046797a [ 359.553509][T21012] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdfcb136000 [ 359.561530][T21012] RBP: 00007fdfcb136040 R08: 00007fdfcb136040 R09: 0000000020000000 [ 359.570282][T21012] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 359.578938][T21012] R13: 0000000020000100 R14: 00007fdfcb136000 R15: 0000000020000040 [ 359.587703][T21012] ERROR: Out of memory at tomoyo_realpath_from_path. [ 359.610733][T21024] loop2: detected capacity change from 0 to 530 20:57:31 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x6040000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:57:31 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x42e00, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) 20:57:31 executing program 0 (fault-call:1 fault-nth:56): pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[]) 20:57:31 executing program 4 (fault-call:3 fault-nth:66): r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 359.718629][T21008] loop1: detected capacity change from 0 to 185708 [ 359.783739][T21036] loop5: detected capacity change from 0 to 197120 [ 359.793071][T21008] FAT-fs (loop1): Unrecognized mount option "flÕ" or missing value [ 359.842255][T21036] FAT-fs (loop5): bogus number of reserved sectors [ 359.856680][T21036] FAT-fs (loop5): Can't find a valid FAT filesystem [ 359.863611][T21043] loop0: detected capacity change from 0 to 4096 [ 359.871171][T21042] VFS: unable to find oldfs superblock on device loop2 [ 359.875689][T21043] FAULT_INJECTION: forcing a failure. [ 359.875689][T21043] name failslab, interval 1, probability 0, space 0, times 0 [ 359.894909][T21043] CPU: 1 PID: 21043 Comm: syz-executor.0 Not tainted 5.12.0-rc5-syzkaller #0 [ 359.904494][T21043] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 359.908988][T21047] loop4: detected capacity change from 0 to 4096 [ 359.914608][T21043] Call Trace: [ 359.924766][T21043] dump_stack+0x137/0x19d [ 359.929465][T21043] should_fail+0x23c/0x250 [ 359.934139][T21043] __should_failslab+0x81/0x90 [ 359.939177][T21043] ? __se_sys_mount+0xf2/0x2e0 [ 359.944052][T21043] should_failslab+0x5/0x20 [ 359.948908][T21043] kmem_cache_alloc_trace+0x49/0x340 [ 359.950986][T21047] FAULT_INJECTION: forcing a failure. [ 359.950986][T21047] name failslab, interval 1, probability 0, space 0, times 0 [ 359.954884][T21043] ? _copy_from_user+0x94/0xd0 [ 359.954912][T21043] __se_sys_mount+0xf2/0x2e0 [ 359.978474][T21043] ? mntput+0x45/0x70 [ 359.982510][T21043] ? __fpregs_load_activate+0x103/0x1f0 [ 359.988552][T21043] __x64_sys_mount+0x63/0x70 [ 359.993296][T21043] do_syscall_64+0x39/0x80 [ 359.998324][T21043] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 360.004326][T21043] RIP: 0033:0x46797a [ 360.008238][T21043] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 360.028878][T21043] RSP: 002b:00007f14ea25ffa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 20:57:31 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x0, 0xfffe, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 360.037955][T21043] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046797a [ 360.046524][T21043] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f14ea260000 [ 360.055020][T21043] RBP: 00007f14ea260040 R08: 00007f14ea260040 R09: 0000000020000000 [ 360.063748][T21043] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 360.072047][T21043] R13: 0000000020000100 R14: 00007f14ea260000 R15: 0000000020000040 [ 360.082552][T21047] CPU: 0 PID: 21047 Comm: syz-executor.4 Not tainted 5.12.0-rc5-syzkaller #0 [ 360.091768][T21047] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 360.102303][T21047] Call Trace: [ 360.106032][T21047] dump_stack+0x137/0x19d [ 360.110588][T21047] should_fail+0x23c/0x250 [ 360.115017][T21047] __should_failslab+0x81/0x90 [ 360.120447][T21047] ? alloc_fs_context+0x46/0x500 [ 360.125468][T21047] should_failslab+0x5/0x20 [ 360.130609][T21047] kmem_cache_alloc_trace+0x49/0x340 [ 360.136344][T21047] ? aa_get_newest_label+0x74/0x250 [ 360.141760][T21047] alloc_fs_context+0x46/0x500 [ 360.147674][T21047] ? strncmp+0x34/0x70 [ 360.152731][T21047] fs_context_for_mount+0x1d/0x20 [ 360.158099][T21047] path_mount+0xdd8/0x1c00 [ 360.162977][T21047] __se_sys_mount+0x23d/0x2e0 [ 360.167798][T21047] __x64_sys_mount+0x63/0x70 [ 360.172529][T21047] do_syscall_64+0x39/0x80 [ 360.177445][T21047] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 360.184202][T21047] RIP: 0033:0x46797a [ 360.188102][T21047] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 360.209379][T21047] RSP: 002b:00007fdfcb135fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 360.217797][T21047] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046797a [ 360.226160][T21047] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdfcb136000 [ 360.234862][T21047] RBP: 00007fdfcb136040 R08: 00007fdfcb136040 R09: 0000000020000000 [ 360.242852][T21047] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 360.251645][T21047] R13: 0000000020000100 R14: 00007fdfcb136000 R15: 0000000020000040 [ 360.265236][ T7] usb 4-1: new high-speed USB device number 98 using dummy_hcd 20:57:31 executing program 0 (fault-call:1 fault-nth:57): pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[]) [ 360.307038][T21053] loop2: detected capacity change from 0 to 535 [ 360.318357][T21036] loop5: detected capacity change from 0 to 197120 [ 360.325710][T21053] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 360.339178][T21036] FAT-fs (loop5): bogus number of reserved sectors [ 360.377659][T21036] FAT-fs (loop5): Can't find a valid FAT filesystem [ 360.386272][T21053] EXT4-fs (loop2): group descriptors corrupted! [ 360.444768][T21066] loop0: detected capacity change from 0 to 4096 [ 360.475665][T21066] FAULT_INJECTION: forcing a failure. [ 360.475665][T21066] name failslab, interval 1, probability 0, space 0, times 0 [ 360.495714][T21066] CPU: 1 PID: 21066 Comm: syz-executor.0 Not tainted 5.12.0-rc5-syzkaller #0 [ 360.505343][T21066] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 360.515912][T21066] Call Trace: [ 360.519598][T21066] dump_stack+0x137/0x19d [ 360.524366][T21066] should_fail+0x23c/0x250 [ 360.528896][T21066] __should_failslab+0x81/0x90 [ 360.534016][T21066] ? __se_sys_mount+0xf2/0x2e0 [ 360.538896][T21066] should_failslab+0x5/0x20 [ 360.543517][T21066] kmem_cache_alloc_trace+0x49/0x340 [ 360.548833][T21066] ? _copy_from_user+0x94/0xd0 [ 360.553752][T21066] __se_sys_mount+0xf2/0x2e0 [ 360.558364][T21066] ? mntput+0x45/0x70 [ 360.562843][T21066] ? __fpregs_load_activate+0x103/0x1f0 [ 360.568750][T21066] __x64_sys_mount+0x63/0x70 [ 360.573686][T21066] do_syscall_64+0x39/0x80 [ 360.578475][T21066] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 360.584552][T21066] RIP: 0033:0x46797a [ 360.588999][T21066] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 360.609329][T21066] RSP: 002b:00007f14ea25ffa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 360.618230][T21066] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046797a [ 360.626395][T21066] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f14ea260000 [ 360.634805][T21066] RBP: 00007f14ea260040 R08: 00007f14ea260040 R09: 0000000020000000 [ 360.642806][T21066] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 360.651011][T21066] R13: 0000000020000100 R14: 00007f14ea260000 R15: 0000000020000040 [ 360.667544][ T7] usb 4-1: Using ep0 maxpacket: 8 [ 360.796885][ T7] usb 4-1: config 0 has an invalid interface number: 16 but max is 0 [ 360.809486][ T7] usb 4-1: config 0 has an invalid descriptor of length 1, skipping remainder of the config [ 360.835408][ T7] usb 4-1: config 0 has no interface number 0 [ 360.848133][ T7] usb 4-1: config 0 interface 16 altsetting 0 has an invalid endpoint with address 0x0, skipping [ 360.860327][T21064] loop1: detected capacity change from 0 to 185708 [ 360.872284][T21064] FAT-fs (loop1): Unrecognized mount option "flÕ" or missing value [ 360.892165][ T7] usb 4-1: config 0 interface 16 altsetting 0 endpoint 0xF has invalid maxpacket 512, setting to 64 [ 360.903596][ T7] usb 4-1: config 0 interface 16 altsetting 0 endpoint 0x8 has invalid maxpacket 1023, setting to 64 [ 360.915305][ T7] usb 4-1: config 0 interface 16 altsetting 0 has an invalid endpoint with address 0x80, skipping [ 360.926671][ T7] usb 4-1: config 0 interface 16 altsetting 0 has 5 endpoint descriptors, different from the interface descriptor's value: 15 [ 360.940366][ T7] usb 4-1: New USB device found, idVendor=045e, idProduct=0455, bcdDevice=18.44 [ 360.951453][ T7] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 360.962065][ T7] usb 4-1: config 0 descriptor?? [ 361.221261][T21014] udc-core: couldn't find an available UDC or it's busy [ 361.236729][T21014] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 361.245371][ T7] usb 4-1: USB disconnect, device number 98 [ 361.334084][ T4832] ================================================================== [ 361.342195][ T4832] BUG: KCSAN: data-race in dput / vfs_unlink [ 361.348185][ T4832] [ 361.350486][ T4832] write to 0xffff88810e9f3240 of 4 bytes by task 20997 on cpu 1: [ 361.358188][ T4832] vfs_unlink+0x289/0x3e0 [ 361.362501][ T4832] do_unlinkat+0x29f/0x4f0 [ 361.366904][ T4832] __x64_sys_unlink+0x2c/0x30 [ 361.371559][ T4832] do_syscall_64+0x39/0x80 [ 361.375951][ T4832] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 361.381824][ T4832] [ 361.384122][ T4832] read to 0xffff88810e9f3240 of 4 bytes by task 4832 on cpu 0: [ 361.391647][ T4832] dput+0x34/0x430 [ 361.395358][ T4832] path_put+0x1b/0x30 [ 361.399327][ T4832] do_readlinkat+0x188/0x200 [ 361.403896][ T4832] __x64_sys_readlink+0x43/0x50 [ 361.408738][ T4832] do_syscall_64+0x39/0x80 [ 361.413131][ T4832] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 361.419017][ T4832] [ 361.421491][ T4832] Reported by Kernel Concurrency Sanitizer on: [ 361.428941][ T4832] CPU: 0 PID: 4832 Comm: systemd-udevd Not tainted 5.12.0-rc5-syzkaller #0 [ 361.437512][ T4832] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 361.447561][ T4832] ================================================================== 20:57:33 executing program 3: openat(0xffffffffffffffff, 0x0, 0x0, 0x0) r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000080)=ANY=[@ANYBLOB="12010000f6bed808720c0d00c99b00000001093d0baa92d5c6987aa33412e22d88ef3c02"], 0x0) mmap(&(0x7f0000ffc000/0x4000)=nil, 0x4000, 0x2000000, 0x8010, 0xffffffffffffffff, 0x2c336000) syz_usb_control_io$cdc_ecm(r0, &(0x7f0000000100)={0x14, &(0x7f0000000000)={0x20, 0x3, 0x42, {0x42, 0xd, "c0d505dab8f37f1aba8451c65d0b95bcbc0bb1f7cad90eb48263ff1b142ace17fd546c31802528c0ac90ca5140d0d837f5cec7aa3b32dbc1b835ea54edc5d067"}}, &(0x7f00000000c0)={0x0, 0x3, 0x1a, {0x1a}}}, &(0x7f00000002c0)={0x1c, &(0x7f0000000140)={0x20, 0x13, 0xc3, "11cb7a1d447099566d638cc0124a88297881779b61e5a0596eafa40f647fdb693f2c2527c321dec118b570cf68335cb46fafa94ef280fc7a7fcc72fe904378060760cfdad2f7ed739eeefc5a9bbb51854cef0163ae606f17da7f4685103d2f4d53892051e1c1b9913be041499ce4ff28870dff2653e2c937269363c2a618f647a65509b91d06d9c81ab67b130aff5e8532db6f5bb0e3f7335b260d3e26e9e39889f87035267c9340546b6c778f999f06b6986c22c3cc2d206931c5b29bb4a57efef022"}, &(0x7f0000000240)={0x0, 0xa, 0x1, 0x32}, &(0x7f0000000280)={0x0, 0x8, 0x1, 0x3}}) syz_usb_control_io(r0, 0x0, &(0x7f0000000840)={0x44, &(0x7f0000000000)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) 20:57:33 executing program 4 (fault-call:3 fault-nth:67): r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:57:33 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x7000000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:57:33 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x43400, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) 20:57:33 executing program 0 (fault-call:1 fault-nth:58): pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[]) 20:57:33 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x0, 0x80000, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 361.857998][T21090] udc-core: couldn't find an available UDC or it's busy [ 361.864996][T21090] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 361.958578][T21102] loop0: detected capacity change from 0 to 4096 [ 361.965854][T21107] loop5: detected capacity change from 0 to 229376 [ 361.967712][T21104] loop4: detected capacity change from 0 to 4096 [ 361.972814][T21105] VFS: unable to find oldfs superblock on device loop2 [ 362.001771][T21102] FAULT_INJECTION: forcing a failure. [ 362.001771][T21102] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 362.020451][T21104] FAULT_INJECTION: forcing a failure. [ 362.020451][T21104] name failslab, interval 1, probability 0, space 0, times 0 [ 362.033281][T21107] FAT-fs (loop5): bogus number of reserved sectors [ 362.033598][T21104] CPU: 0 PID: 21104 Comm: syz-executor.4 Not tainted 5.12.0-rc5-syzkaller #0 [ 362.048545][T21104] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 362.058593][T21104] Call Trace: [ 362.061861][T21104] dump_stack+0x137/0x19d [ 362.066191][T21104] should_fail+0x23c/0x250 [ 362.070601][T21104] __should_failslab+0x81/0x90 [ 362.075359][T21104] ? legacy_init_fs_context+0x2d/0x70 [ 362.080776][T21104] should_failslab+0x5/0x20 [ 362.085289][T21104] kmem_cache_alloc_trace+0x49/0x340 [ 362.090569][T21104] ? kmem_cache_alloc_trace+0x1c6/0x340 [ 362.096141][T21104] ? alloc_fs_context+0x46/0x500 [ 362.101072][T21104] legacy_init_fs_context+0x2d/0x70 [ 362.106292][T21104] alloc_fs_context+0x419/0x500 [ 362.111207][T21104] fs_context_for_mount+0x1d/0x20 [ 362.116223][T21104] path_mount+0xdd8/0x1c00 [ 362.120630][T21104] __se_sys_mount+0x23d/0x2e0 [ 362.125301][T21104] __x64_sys_mount+0x63/0x70 [ 362.129907][T21104] do_syscall_64+0x39/0x80 [ 362.134349][T21104] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 362.140304][T21104] RIP: 0033:0x46797a [ 362.144191][T21104] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 362.163796][T21104] RSP: 002b:00007fdfcb135fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 362.172220][T21104] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046797a [ 362.180193][T21104] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdfcb136000 [ 362.189292][T21104] RBP: 00007fdfcb136040 R08: 00007fdfcb136040 R09: 0000000020000000 [ 362.197261][T21104] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 362.205358][T21104] R13: 0000000020000100 R14: 00007fdfcb136000 R15: 0000000020000040 [ 362.221463][T21107] FAT-fs (loop5): Can't find a valid FAT filesystem [ 362.230666][T21102] CPU: 1 PID: 21102 Comm: syz-executor.0 Not tainted 5.12.0-rc5-syzkaller #0 [ 362.239441][T21102] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 362.249528][T21102] Call Trace: [ 362.252811][T21102] dump_stack+0x137/0x19d [ 362.257220][T21102] should_fail+0x23c/0x250 [ 362.263578][T21102] should_fail_usercopy+0x16/0x20 [ 362.268639][T21102] _copy_from_user+0x1c/0xd0 [ 362.273247][T21102] __se_sys_mount+0x115/0x2e0 [ 362.278019][T21102] ? mntput+0x45/0x70 [ 362.282016][T21102] ? __fpregs_load_activate+0x103/0x1f0 [ 362.287609][T21102] __x64_sys_mount+0x63/0x70 [ 362.292344][T21102] do_syscall_64+0x39/0x80 [ 362.296780][T21102] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 362.302707][T21102] RIP: 0033:0x46797a [ 362.306612][T21102] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 362.326511][T21102] RSP: 002b:00007f14ea25ffa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 362.334995][T21102] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046797a [ 362.343002][T21102] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f14ea260000 [ 362.351009][T21102] RBP: 00007f14ea260040 R08: 00007f14ea260040 R09: 0000000020000000 [ 362.358988][T21102] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 362.366967][T21102] R13: 0000000020000100 R14: 00007f14ea260000 R15: 0000000020000040 [ 362.375439][T21119] loop2: detected capacity change from 0 to 538 20:57:33 executing program 4 (fault-call:3 fault-nth:68): r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 362.407987][T21119] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 362.433321][T21102] EXT4-fs (loop0): revision level too high, forcing read-only mode [ 362.441458][T21107] loop5: detected capacity change from 0 to 229376 [ 362.448308][T21119] EXT4-fs (loop2): group descriptors corrupted! [ 362.455902][T21102] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: writeback. [ 362.479994][T21107] FAT-fs (loop5): bogus number of reserved sectors 20:57:34 executing program 0 (fault-call:1 fault-nth:59): pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[]) [ 362.510538][T21107] FAT-fs (loop5): Can't find a valid FAT filesystem 20:57:34 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x8000000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 362.581101][T21135] loop2: detected capacity change from 0 to 538 [ 362.599932][T21142] loop4: detected capacity change from 0 to 4096 [ 362.606589][T21135] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 362.609804][T21145] loop0: detected capacity change from 0 to 4096 [ 362.627015][T21135] EXT4-fs (loop2): group descriptors corrupted! [ 362.633337][T21145] FAULT_INJECTION: forcing a failure. [ 362.633337][T21145] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 362.633363][T21145] CPU: 0 PID: 21145 Comm: syz-executor.0 Not tainted 5.12.0-rc5-syzkaller #0 [ 362.646797][ T9516] usb 4-1: new high-speed USB device number 99 using dummy_hcd [ 362.655491][T21145] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 362.655505][T21145] Call Trace: [ 362.655514][T21145] dump_stack+0x137/0x19d [ 362.655540][T21145] should_fail+0x23c/0x250 [ 362.655560][T21145] should_fail_usercopy+0x16/0x20 [ 362.655597][T21145] strncpy_from_user+0x21/0x250 [ 362.695194][T21145] getname_flags+0xb8/0x3d0 [ 362.699762][T21145] user_path_at_empty+0x28/0x50 [ 362.704611][T21145] __se_sys_mount+0x209/0x2e0 [ 362.709292][T21145] __x64_sys_mount+0x63/0x70 [ 362.713926][T21145] do_syscall_64+0x39/0x80 [ 362.718340][T21145] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 362.724335][T21145] RIP: 0033:0x46797a [ 362.728243][T21145] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 362.747875][T21145] RSP: 002b:00007f14ea25ffa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 362.756313][T21145] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046797a [ 362.764278][T21145] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f14ea260000 [ 362.772333][T21145] RBP: 00007f14ea260040 R08: 00007f14ea260040 R09: 0000000020000000 [ 362.780332][T21145] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 362.788370][T21145] R13: 0000000020000100 R14: 00007f14ea260000 R15: 0000000020000040 [ 362.815007][T21142] FAULT_INJECTION: forcing a failure. [ 362.815007][T21142] name failslab, interval 1, probability 0, space 0, times 0 [ 362.842021][T21142] CPU: 1 PID: 21142 Comm: syz-executor.4 Not tainted 5.12.0-rc5-syzkaller #0 [ 362.850824][T21142] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 362.860902][T21142] Call Trace: [ 362.864219][T21142] dump_stack+0x137/0x19d [ 362.868568][T21142] should_fail+0x23c/0x250 [ 362.873025][T21142] __should_failslab+0x81/0x90 [ 362.877914][T21142] ? legacy_init_fs_context+0x2d/0x70 [ 362.883425][T21142] should_failslab+0x5/0x20 [ 362.887939][T21142] kmem_cache_alloc_trace+0x49/0x340 [ 362.893231][T21142] ? kmem_cache_alloc_trace+0x1c6/0x340 [ 362.898777][T21142] ? alloc_fs_context+0x46/0x500 [ 362.903722][T21142] legacy_init_fs_context+0x2d/0x70 [ 362.909134][T21142] alloc_fs_context+0x419/0x500 [ 362.914000][T21142] fs_context_for_mount+0x1d/0x20 [ 362.919057][T21142] path_mount+0xdd8/0x1c00 [ 362.923534][T21142] __se_sys_mount+0x23d/0x2e0 [ 362.928271][T21142] __x64_sys_mount+0x63/0x70 [ 362.932903][T21142] do_syscall_64+0x39/0x80 [ 362.937326][T21142] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 362.943236][T21142] RIP: 0033:0x46797a [ 362.947129][T21142] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 362.967032][T21142] RSP: 002b:00007fdfcb135fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 362.975462][T21142] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046797a [ 362.983633][T21142] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdfcb136000 20:57:34 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x0, 0x80040, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 362.991634][T21142] RBP: 00007fdfcb136040 R08: 00007fdfcb136040 R09: 0000000020000000 [ 362.999720][T21142] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 363.007693][T21142] R13: 0000000020000100 R14: 00007fdfcb136000 R15: 0000000020000040 [ 363.030258][T21153] loop5: detected capacity change from 0 to 262144 20:57:34 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x43500, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) 20:57:34 executing program 0 (fault-call:1 fault-nth:60): pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[]) [ 363.092469][T21153] FAT-fs (loop5): bogus number of reserved sectors [ 363.099150][T21153] FAT-fs (loop5): Can't find a valid FAT filesystem [ 363.136680][ T9516] usb 4-1: Using ep0 maxpacket: 8 [ 363.145554][T21153] loop5: detected capacity change from 0 to 262144 [ 363.154356][T21153] FAT-fs (loop5): bogus number of reserved sectors [ 363.161424][T21153] FAT-fs (loop5): Can't find a valid FAT filesystem [ 363.171842][T21168] loop0: detected capacity change from 0 to 4096 [ 363.177373][T21164] VFS: unable to find oldfs superblock on device loop2 [ 363.182655][T21168] FAULT_INJECTION: forcing a failure. [ 363.182655][T21168] name failslab, interval 1, probability 0, space 0, times 0 [ 363.198832][T21168] CPU: 0 PID: 21168 Comm: syz-executor.0 Not tainted 5.12.0-rc5-syzkaller #0 [ 363.207651][T21168] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 363.217712][T21168] Call Trace: [ 363.220998][T21168] dump_stack+0x137/0x19d [ 363.225407][T21168] should_fail+0x23c/0x250 [ 363.229859][T21168] __should_failslab+0x81/0x90 [ 363.234675][T21168] ? tomoyo_encode2+0x1d3/0x350 [ 363.239655][T21168] should_failslab+0x5/0x20 [ 363.244174][T21168] __kmalloc+0x66/0x380 [ 363.248342][T21168] ? crypto_shash_update+0x12c/0x190 [ 363.253683][T21168] tomoyo_encode2+0x1d3/0x350 [ 363.258452][T21168] tomoyo_encode+0x25/0x30 [ 363.262888][T21168] tomoyo_mount_permission+0x1d7/0x700 [ 363.268410][T21168] ? filename_lookup+0x2b6/0x380 [ 363.273388][T21168] ? ___cache_free+0x3c/0x2f0 [ 363.278074][T21168] ? terminate_walk+0x24e/0x270 [ 363.282943][T21168] tomoyo_sb_mount+0x31/0x40 [ 363.287641][T21168] security_sb_mount+0x5c/0xb0 [ 363.292435][T21168] path_mount+0xb1/0x1c00 [ 363.296802][T21168] __se_sys_mount+0x23d/0x2e0 [ 363.296894][ T9516] usb 4-1: unable to read config index 0 descriptor/start: -61 [ 363.301480][T21168] __x64_sys_mount+0x63/0x70 [ 363.301505][T21168] do_syscall_64+0x39/0x80 [ 363.318156][T21168] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 363.320896][ T9516] usb 4-1: can't read configurations, error -61 [ 363.324059][T21168] RIP: 0033:0x46797a [ 363.324078][T21168] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 363.353894][T21168] RSP: 002b:00007f14ea25ffa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 363.362321][T21168] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046797a [ 363.370301][T21168] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f14ea260000 [ 363.378288][T21168] RBP: 00007f14ea260040 R08: 00007f14ea260040 R09: 0000000020000000 [ 363.386364][T21168] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 363.394344][T21168] R13: 0000000020000100 R14: 00007f14ea260000 R15: 0000000020000040 [ 363.458231][T21174] loop2: detected capacity change from 0 to 538 [ 363.467119][T21174] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 363.498550][ T9516] usb 4-1: new high-speed USB device number 100 using dummy_hcd [ 363.516165][T21174] EXT4-fs (loop2): group descriptors corrupted! [ 363.619842][T21184] loop2: detected capacity change from 0 to 538 [ 363.628499][T21184] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 363.640275][T21184] EXT4-fs (loop2): group descriptors corrupted! [ 363.736705][ T9516] usb 4-1: Using ep0 maxpacket: 8 [ 363.900022][ T9516] usb 4-1: unable to read config index 0 descriptor/start: -61 [ 363.915859][ T9516] usb 4-1: can't read configurations, error -61 [ 363.929955][ T9516] usb usb4-port1: attempt power cycle [ 364.656695][ T9516] usb 4-1: new high-speed USB device number 101 using dummy_hcd [ 364.746728][ T9516] usb 4-1: Using ep0 maxpacket: 8 20:57:36 executing program 3: ioctl$EVIOCSABS2F(0xffffffffffffffff, 0x401845ef, &(0x7f0000000000)={0x1f, 0xfffffc82, 0x9, 0xffffffd3, 0x6, 0x5}) openat(0xffffffffffffffff, 0x0, 0x0, 0x0) r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000080)={{0x12, 0x1, 0x0, 0xf6, 0xbe, 0xd8, 0x8, 0xc72, 0xd, 0x9bc9, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x9b, 0x10, 0x39}}]}}]}}, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000840)={0x44, &(0x7f0000000000)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) 20:57:36 executing program 4 (fault-call:3 fault-nth:69): r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:57:36 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x9000000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:57:36 executing program 0 (fault-call:1 fault-nth:61): pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[]) 20:57:36 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x43600, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) 20:57:36 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x0, 0x200000, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 364.906862][ T9516] usb 4-1: unable to read config index 0 descriptor/start: -61 [ 364.923224][ T9516] usb 4-1: can't read configurations, error -61 [ 364.992254][T21204] loop5: detected capacity change from 0 to 264192 [ 364.999868][T21207] loop0: detected capacity change from 0 to 4096 [ 365.006315][T21208] loop4: detected capacity change from 0 to 4096 [ 365.020884][T21209] VFS: unable to find oldfs superblock on device loop2 [ 365.027168][T21207] FAULT_INJECTION: forcing a failure. [ 365.027168][T21207] name failslab, interval 1, probability 0, space 0, times 0 [ 365.034768][T21204] FAT-fs (loop5): bogus number of reserved sectors [ 365.045158][T21208] FAULT_INJECTION: forcing a failure. [ 365.045158][T21208] name failslab, interval 1, probability 0, space 0, times 0 [ 365.074571][T21207] CPU: 1 PID: 21207 Comm: syz-executor.0 Not tainted 5.12.0-rc5-syzkaller #0 [ 365.077257][T21204] FAT-fs (loop5): Can't find a valid FAT filesystem [ 365.083388][T21207] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 365.083403][T21207] Call Trace: [ 365.083412][T21207] dump_stack+0x137/0x19d [ 365.107935][T21207] should_fail+0x23c/0x250 [ 365.112406][T21207] __should_failslab+0x81/0x90 [ 365.117173][T21207] ? tomoyo_encode2+0x1d3/0x350 [ 365.122073][T21207] should_failslab+0x5/0x20 [ 365.126641][T21207] __kmalloc+0x66/0x380 [ 365.130800][T21207] ? crypto_shash_update+0x12c/0x190 [ 365.136089][T21207] tomoyo_encode2+0x1d3/0x350 [ 365.140857][T21207] tomoyo_encode+0x25/0x30 [ 365.145294][T21207] tomoyo_mount_permission+0x1d7/0x700 [ 365.150761][T21207] ? filename_lookup+0x2b6/0x380 [ 365.155702][T21207] ? ___cache_free+0x3c/0x2f0 [ 365.160399][T21207] ? terminate_walk+0x24e/0x270 [ 365.165278][T21207] tomoyo_sb_mount+0x31/0x40 [ 365.174969][T21207] security_sb_mount+0x5c/0xb0 [ 365.179771][T21207] path_mount+0xb1/0x1c00 [ 365.184113][T21207] __se_sys_mount+0x23d/0x2e0 [ 365.189586][T21207] __x64_sys_mount+0x63/0x70 [ 365.194804][T21207] do_syscall_64+0x39/0x80 [ 365.199221][T21207] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 365.205126][T21207] RIP: 0033:0x46797a [ 365.209021][T21207] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 365.228726][T21207] RSP: 002b:00007f14ea25ffa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 365.238370][T21207] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046797a [ 365.246341][T21207] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f14ea260000 [ 365.254314][T21207] RBP: 00007f14ea260040 R08: 00007f14ea260040 R09: 0000000020000000 [ 365.262295][T21207] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 365.270268][T21207] R13: 0000000020000100 R14: 00007f14ea260000 R15: 0000000020000040 [ 365.290074][T21208] CPU: 1 PID: 21208 Comm: syz-executor.4 Not tainted 5.12.0-rc5-syzkaller #0 [ 365.298856][T21208] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 365.308917][T21208] Call Trace: [ 365.312296][T21208] dump_stack+0x137/0x19d [ 365.316680][T21208] should_fail+0x23c/0x250 [ 365.321149][T21208] ? ext4_mount+0x40/0x40 [ 365.325591][T21208] ? getname_kernel+0x37/0x1d0 [ 365.330431][T21208] __should_failslab+0x81/0x90 [ 365.335214][T21208] should_failslab+0x5/0x20 [ 365.339731][T21208] kmem_cache_alloc+0x46/0x320 [ 365.344500][T21208] ? ext4_mount+0x40/0x40 [ 365.348834][T21208] getname_kernel+0x37/0x1d0 [ 365.353429][T21208] ? ext4_mount+0x40/0x40 [ 365.357767][T21208] kern_path+0x19/0x40 [ 365.361858][T21208] blkdev_get_by_path+0x54/0x1b0 [ 365.366972][T21208] mount_bdev+0x47/0x290 [ 365.371216][T21208] ? aa_get_newest_label+0x74/0x250 [ 365.376489][T21208] ? ext4_errno_to_code+0x110/0x110 [ 365.381687][T21208] ext4_mount+0x2d/0x40 [ 365.385868][T21208] legacy_get_tree+0x70/0xc0 [ 365.390462][T21208] vfs_get_tree+0x4a/0x1a0 [ 365.394894][T21208] path_mount+0x11b9/0x1c00 [ 365.399399][T21208] __se_sys_mount+0x23d/0x2e0 [ 365.404308][T21208] __x64_sys_mount+0x63/0x70 [ 365.408915][T21208] do_syscall_64+0x39/0x80 [ 365.413366][T21208] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 365.419298][T21208] RIP: 0033:0x46797a [ 365.423199][T21208] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 20:57:37 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0xa000000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 365.442805][T21208] RSP: 002b:00007fdfcb135fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 365.451256][T21208] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046797a [ 365.459246][T21208] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdfcb136000 [ 365.467212][T21208] RBP: 00007fdfcb136040 R08: 00007fdfcb136040 R09: 0000000020000000 [ 365.475197][T21208] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 365.483172][T21208] R13: 0000000020000100 R14: 00007fdfcb136000 R15: 0000000020000040 [ 365.512688][T21225] loop2: detected capacity change from 0 to 539 [ 365.541974][T21225] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 365.552239][T21225] EXT4-fs (loop2): group descriptors corrupted! 20:57:37 executing program 0 (fault-call:1 fault-nth:62): pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[]) 20:57:37 executing program 4 (fault-call:3 fault-nth:70): r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 365.566690][ T9516] usb 4-1: new high-speed USB device number 102 using dummy_hcd [ 365.589286][T21232] loop5: detected capacity change from 0 to 264192 [ 365.656915][ T9516] usb 4-1: Using ep0 maxpacket: 8 [ 365.668458][T21232] FAT-fs (loop5): bogus number of reserved sectors [ 365.677700][T21238] loop2: detected capacity change from 0 to 539 [ 365.693357][T21232] FAT-fs (loop5): Can't find a valid FAT filesystem [ 365.700744][T21242] loop0: detected capacity change from 0 to 4096 [ 365.709147][T21238] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 365.714876][T21247] loop4: detected capacity change from 0 to 4096 [ 365.731719][T21247] FAULT_INJECTION: forcing a failure. [ 365.731719][T21247] name failslab, interval 1, probability 0, space 0, times 0 [ 365.739383][T21242] FAULT_INJECTION: forcing a failure. [ 365.739383][T21242] name failslab, interval 1, probability 0, space 0, times 0 [ 365.744752][T21247] CPU: 1 PID: 21247 Comm: syz-executor.4 Not tainted 5.12.0-rc5-syzkaller #0 [ 365.765899][T21247] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 365.768825][T21238] EXT4-fs (loop2): group descriptors corrupted! [ 365.775958][T21247] Call Trace: [ 365.775969][T21247] dump_stack+0x137/0x19d [ 365.789798][T21247] should_fail+0x23c/0x250 [ 365.794227][T21247] __should_failslab+0x81/0x90 [ 365.799069][T21247] ? alloc_super+0x3a/0x520 [ 365.803580][T21247] should_failslab+0x5/0x20 [ 365.808124][T21247] kmem_cache_alloc_trace+0x49/0x340 [ 365.813447][T21247] ? disk_block_events+0x94/0xd0 [ 365.818402][T21247] ? mount_bdev+0x290/0x290 [ 365.822941][T21247] alloc_super+0x3a/0x520 [ 365.827325][T21247] ? mount_bdev+0x290/0x290 [ 365.831828][T21247] sget+0x189/0x370 [ 365.835635][T21247] ? test_bdev_super+0x30/0x30 [ 365.840397][T21247] mount_bdev+0xd3/0x290 [ 365.844636][T21247] ? ext4_mount+0x40/0x40 [ 365.849038][T21247] ? ext4_errno_to_code+0x110/0x110 [ 365.854230][T21247] ext4_mount+0x2d/0x40 [ 365.858396][T21247] legacy_get_tree+0x70/0xc0 [ 365.862986][T21247] vfs_get_tree+0x4a/0x1a0 [ 365.867402][T21247] path_mount+0x11b9/0x1c00 [ 365.871913][T21247] __se_sys_mount+0x23d/0x2e0 [ 365.876600][T21247] __x64_sys_mount+0x63/0x70 [ 365.881192][T21247] do_syscall_64+0x39/0x80 [ 365.885611][T21247] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 365.891550][T21247] RIP: 0033:0x46797a [ 365.895511][T21247] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 365.915123][T21247] RSP: 002b:00007fdfcb135fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 365.923648][T21247] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046797a [ 365.931678][T21247] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdfcb136000 [ 365.939733][T21247] RBP: 00007fdfcb136040 R08: 00007fdfcb136040 R09: 0000000020000000 [ 365.947720][T21247] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 365.955846][T21247] R13: 0000000020000100 R14: 00007fdfcb136000 R15: 0000000020000040 [ 365.969861][T21242] CPU: 1 PID: 21242 Comm: syz-executor.0 Not tainted 5.12.0-rc5-syzkaller #0 [ 365.978693][T21242] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 365.988829][T21242] Call Trace: [ 365.992118][T21242] dump_stack+0x137/0x19d [ 365.996494][T21242] should_fail+0x23c/0x250 [ 366.000928][T21242] __should_failslab+0x81/0x90 [ 366.005694][T21242] ? tomoyo_encode2+0x1d3/0x350 [ 366.010589][T21242] should_failslab+0x5/0x20 [ 366.015232][T21242] __kmalloc+0x66/0x380 [ 366.019418][T21242] tomoyo_encode2+0x1d3/0x350 [ 366.024171][T21242] tomoyo_realpath_from_path+0x35e/0x3b0 [ 366.029814][T21242] tomoyo_mount_permission+0x215/0x700 [ 366.035289][T21242] ? filename_lookup+0x2b6/0x380 [ 366.040235][T21242] ? ___cache_free+0x3c/0x2f0 [ 366.044951][T21242] tomoyo_sb_mount+0x31/0x40 [ 366.049591][T21242] security_sb_mount+0x5c/0xb0 [ 366.054374][T21242] path_mount+0xb1/0x1c00 [ 366.058729][T21242] __se_sys_mount+0x23d/0x2e0 [ 366.063472][T21242] __x64_sys_mount+0x63/0x70 [ 366.068089][T21242] do_syscall_64+0x39/0x80 [ 366.072516][T21242] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 366.078421][T21242] RIP: 0033:0x46797a [ 366.082312][T21242] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 366.101959][T21242] RSP: 002b:00007f14ea25ffa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 366.111240][T21242] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046797a [ 366.119420][T21242] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f14ea260000 [ 366.127401][T21242] RBP: 00007f14ea260040 R08: 00007f14ea260040 R09: 0000000020000000 [ 366.135371][T21242] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 366.143624][T21242] R13: 0000000020000100 R14: 00007f14ea260000 R15: 0000000020000040 [ 366.152028][ T9516] usb 4-1: New USB device found, idVendor=0c72, idProduct=000d, bcdDevice=9b.c9 [ 366.165802][ T9516] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 366.187786][ T9516] usb 4-1: config 0 descriptor?? [ 366.195337][T21232] loop5: detected capacity change from 0 to 264192 [ 366.206731][T21242] ERROR: Out of memory at tomoyo_realpath_from_path. 20:57:37 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x43f00, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) 20:57:37 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x0, 0x1000000, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:57:37 executing program 4 (fault-call:3 fault-nth:71): r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 366.214257][T21232] FAT-fs (loop5): bogus number of reserved sectors [ 366.221679][T21232] FAT-fs (loop5): Can't find a valid FAT filesystem [ 366.304850][T21271] loop4: detected capacity change from 0 to 4096 [ 366.322160][T21271] FAULT_INJECTION: forcing a failure. [ 366.322160][T21271] name failslab, interval 1, probability 0, space 0, times 0 [ 366.335183][T21271] CPU: 0 PID: 21271 Comm: syz-executor.4 Not tainted 5.12.0-rc5-syzkaller #0 [ 366.338354][T21274] VFS: unable to find oldfs superblock on device loop2 [ 366.343973][T21271] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 366.343988][T21271] Call Trace: [ 366.343997][T21271] dump_stack+0x137/0x19d [ 366.344032][T21271] should_fail+0x23c/0x250 [ 366.344051][T21271] __should_failslab+0x81/0x90 [ 366.344073][T21271] ? prealloc_shrinker+0x5e/0x1b0 [ 366.382881][T21271] should_failslab+0x5/0x20 [ 366.387433][T21271] __kmalloc+0x66/0x380 [ 366.391606][T21271] prealloc_shrinker+0x5e/0x1b0 [ 366.396475][T21271] alloc_super+0x464/0x520 [ 366.400923][T21271] ? mount_bdev+0x290/0x290 [ 366.405508][T21271] sget+0x189/0x370 [ 366.409329][T21271] ? test_bdev_super+0x30/0x30 [ 366.414103][T21271] mount_bdev+0xd3/0x290 [ 366.418345][T21271] ? ext4_mount+0x40/0x40 [ 366.422670][T21271] ? ext4_errno_to_code+0x110/0x110 [ 366.427889][T21271] ext4_mount+0x2d/0x40 [ 366.432056][T21271] legacy_get_tree+0x70/0xc0 [ 366.436670][T21271] vfs_get_tree+0x4a/0x1a0 [ 366.441127][T21271] path_mount+0x11b9/0x1c00 [ 366.445637][T21271] __se_sys_mount+0x23d/0x2e0 [ 366.450367][T21271] __x64_sys_mount+0x63/0x70 [ 366.455025][T21271] do_syscall_64+0x39/0x80 [ 366.459450][T21271] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 366.465488][T21271] RIP: 0033:0x46797a [ 366.469391][T21271] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 366.489000][T21271] RSP: 002b:00007fdfcb135fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 366.497440][T21271] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046797a [ 366.505433][T21271] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdfcb136000 [ 366.513486][T21271] RBP: 00007fdfcb136040 R08: 00007fdfcb136040 R09: 0000000020000000 [ 366.521578][T21271] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 366.529636][T21271] R13: 0000000020000100 R14: 00007fdfcb136000 R15: 0000000020000040 [ 366.593063][T21278] loop2: detected capacity change from 0 to 543 [ 366.602534][T21278] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 366.624713][T21278] EXT4-fs (loop2): group descriptors corrupted! [ 366.766672][ T9516] peak_usb 4-1:0.0 can0: unable to request usb[type=0 value=0] err=-71 [ 366.775042][ T9516] peak_usb 4-1:0.0: unable to read PCAN-USB Pro bootloader info (err -71) [ 366.876714][ T9516] peak_usb: probe of 4-1:0.0 failed with error -71 [ 366.886564][ T9516] usb 4-1: USB disconnect, device number 102 [ 367.516717][ T9516] usb 4-1: new high-speed USB device number 103 using dummy_hcd [ 367.756673][ T9516] usb 4-1: Using ep0 maxpacket: 8 [ 367.877298][ T9516] usb 4-1: New USB device found, idVendor=0c72, idProduct=000d, bcdDevice=9b.c9 [ 367.886367][ T9516] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 367.897669][ T9516] usb 4-1: config 0 descriptor?? 20:57:39 executing program 3: r0 = openat(0xffffffffffffffff, 0x0, 0x0, 0x0) ioctl$FIGETBSZ(r0, 0x2, &(0x7f0000000000)) ioctl$DRM_IOCTL_MODE_CREATE_LEASE(r0, 0xc01864c6, &(0x7f00000000c0)={&(0x7f0000000040)=[0x401], 0x1, 0x81000, 0x0}) ioctl$DRM_IOCTL_MODE_REVOKE_LEASE(r0, 0xc00464c9, &(0x7f0000000100)={r1}) r2 = syz_usb_connect(0x0, 0x24, &(0x7f0000000080)={{0x12, 0x1, 0x0, 0xf6, 0xbe, 0xd8, 0x8, 0xc72, 0xd, 0x9bc9, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x9b, 0x10, 0x39}}]}}]}}, 0x0) syz_usb_control_io(r2, 0x0, &(0x7f0000000840)={0x44, &(0x7f0000000000)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) 20:57:39 executing program 0 (fault-call:1 fault-nth:63): pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[]) 20:57:39 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0xb000000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:57:39 executing program 4 (fault-call:3 fault-nth:72): r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:57:39 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$sysv(&(0x7f0000000080)='sysv\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, &(0x7f0000000400), 0x0, &(0x7f0000000480)={[{'ext4\x00'}], [{@fscontext={'fscontext', 0x3d, 'user_u'}}, {@audit='audit'}, {@obj_role={'obj_role', 0x3d, 'ext4\x00'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x44000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000000100000c000000ce0000000f000000010000000000000000000000002000000020000020000000ddf4655fddf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000013800)) 20:57:39 executing program 1: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0x0, 0x2000000, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 368.161676][ T9516] peak_usb 4-1:0.0 can0: unable to request usb[type=0 value=1] err=-71 [ 368.177795][ T9516] peak_usb 4-1:0.0: unable to read PCAN-USB Pro firmware info (err -71) [ 368.211110][T21332] VFS: unable to find oldfs superblock on device loop2 [ 368.231465][T21334] loop4: detected capacity change from 0 to 4096 [ 368.243874][T21339] loop0: detected capacity change from 0 to 4096 [ 368.250296][ T9516] peak_usb: probe of 4-1:0.0 failed with error -71 [ 368.258099][T21338] loop5: detected capacity change from 0 to 264192 [ 368.263542][ T9516] usb 4-1: USB disconnect, device number 103 [ 368.277309][T21339] FAULT_INJECTION: forcing a failure. [ 368.277309][T21339] name failslab, interval 1, probability 0, space 0, times 0 [ 368.300917][T21334] FAULT_INJECTION: forcing a failure. [ 368.300917][T21334] name failslab, interval 1, probability 0, space 0, times 0 [ 368.313945][T21338] FAT-fs (loop5): bogus number of reserved sectors [ 368.320566][T21338] FAT-fs (loop5): Can't find a valid FAT filesystem [ 368.340343][T21334] CPU: 0 PID: 21334 Comm: syz-executor.4 Not tainted 5.12.0-rc5-syzkaller #0 [ 368.340436][T21358] loop2: detected capacity change from 0 to 544 20:57:39 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0xc000000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 368.349180][T21334] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 368.349196][T21334] Call Trace: [ 368.349205][T21334] dump_stack+0x137/0x19d [ 368.349257][T21334] should_fail+0x23c/0x250 [ 368.377626][T21334] __should_failslab+0x81/0x90 [ 368.382438][T21334] ? __list_lru_init+0x70/0x520 [ 368.387303][T21334] should_failslab+0x5/0x20 [ 368.391905][T21334] __kmalloc+0x66/0x380 [ 368.396139][T21334] __list_lru_init+0x70/0x520 [ 368.400825][T21334] alloc_super+0x490/0x520 [ 368.405413][T21334] ? mount_bdev+0x290/0x290 [ 368.409920][T21334] sget+0x189/0x370 [ 368.413734][T21334] ? test_bdev_super+0x30/0x30 [ 368.418501][T21334] mount_bdev+0xd3/0x290 [ 368.422929][T21334] ? ext4_mount+0x40/0x40 [ 368.427316][T21334] ? ext4_errno_to_code+0x110/0x110 [ 368.432576][T21334] ext4_mount+0x2d/0x40 [ 368.436740][T21334] legacy_get_tree+0x70/0xc0 [ 368.441338][T21334] vfs_get_tree+0x4a/0x1a0 [ 368.445885][T21334] path_mount+0x11b9/0x1c00 [ 368.450393][T21334] __se_sys_mount+0x23d/0x2e0 [ 368.455082][T21334] __x64_sys_mount+0x63/0x70 [ 368.459674][T21334] do_syscall_64+0x39/0x80 [ 368.464096][T21334] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 368.470078][T21334] RIP: 0033:0x46797a [ 368.473967][T21334] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 368.493714][T21334] RSP: 002b:00007fdfcb135fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 368.502128][T21334] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046797a [ 368.510184][T21334] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdfcb136000 [ 368.518158][T21334] RBP: 00007fdfcb136040 R08: 00007fdfcb136040 R09: 0000000020000000 [ 368.526141][T21334] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 368.534132][T21334] R13: 0000000020000100 R14: 00007fdfcb136000 R15: 0000000020000040 [ 368.545163][T21358] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 368.590986][T21339] CPU: 1 PID: 21339 Comm: syz-executor.0 Not tainted 5.12.0-rc5-syzkaller #0 [ 368.599790][T21339] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 368.609908][T21339] Call Trace: [ 368.613268][T21339] dump_stack+0x137/0x19d [ 368.617610][T21339] should_fail+0x23c/0x250 [ 368.622033][T21339] ? getname_kernel+0x37/0x1d0 [ 368.626814][T21339] __should_failslab+0x81/0x90 [ 368.631593][T21339] should_failslab+0x5/0x20 [ 368.636174][T21339] kmem_cache_alloc+0x46/0x320 [ 368.640949][T21339] getname_kernel+0x37/0x1d0 [ 368.645570][T21339] kern_path+0x19/0x40 [ 368.649680][T21339] tomoyo_mount_permission+0x5e9/0x700 [ 368.655160][T21339] ? ___cache_free+0x3c/0x2f0 [ 368.659843][T21339] tomoyo_sb_mount+0x31/0x40 [ 368.664580][T21339] security_sb_mount+0x5c/0xb0 [ 368.669428][T21339] path_mount+0xb1/0x1c00 [ 368.673818][T21339] __se_sys_mount+0x23d/0x2e0 [ 368.678557][T21339] __x64_sys_mount+0x63/0x70 [ 368.683161][T21339] do_syscall_64+0x39/0x80 [ 368.687648][T21339] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 368.693552][T21339] RIP: 0033:0x46797a [ 368.697524][T21339] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 368.717153][T21339] RSP: 002b:00007f14ea25ffa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 368.725576][T21339] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046797a [ 368.733552][T21339] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f14ea260000 [ 368.741531][T21339] RBP: 00007f14ea260040 R08: 00007f14ea260040 R09: 0000000020000000 [ 368.749507][T21339] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 368.757479][T21339] R13: 0000000020000100 R14: 00007f14ea260000 R15: 0000000020000040 [ 368.775826][T21358] EXT4-fs (loop2): group descriptors corrupted! 20:57:40 executing program 4 (fault-call:3 fault-nth:73): r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) 20:57:40 executing program 0 (fault-call:1 fault-nth:64): pipe(0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[]) [ 368.833281][T21372] loop5: detected capacity change from 0 to 264192 [ 368.838416][ T9516] usb 4-1: new high-speed USB device number 104 using dummy_hcd [ 368.856663][T21372] FAT-fs (loop5): bogus number of reserved sectors [ 368.870684][T21372] FAT-fs (loop5): Can't find a valid FAT filesystem [ 368.900560][T21386] loop4: detected capacity change from 0 to 4096 [ 368.914427][T21386] FAULT_INJECTION: forcing a failure. [ 368.914427][T21386] name failslab, interval 1, probability 0, space 0, times 0 [ 368.928120][T21386] CPU: 0 PID: 21386 Comm: syz-executor.4 Not tainted 5.12.0-rc5-syzkaller #0 [ 368.934925][T21382] loop2: detected capacity change from 0 to 544 [ 368.936890][T21386] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 368.936904][T21386] Call Trace: [ 368.936914][T21386] dump_stack+0x137/0x19d [ 368.936941][T21386] should_fail+0x23c/0x250 [ 368.965181][T21386] __should_failslab+0x81/0x90 [ 368.969943][T21386] should_failslab+0x5/0x20 [ 368.974447][T21386] kmem_cache_alloc_node_trace+0x5b/0x310 [ 368.980216][T21386] ? __kmalloc_node+0x30/0x40 [ 368.984935][T21386] __kmalloc_node+0x30/0x40 [ 368.989447][T21386] kvmalloc_node+0x81/0xf0 [ 368.993864][T21386] __list_lru_init+0x1dd/0x520 [ 368.998624][T21386] alloc_super+0x490/0x520 [ 369.003034][T21386] ? mount_bdev+0x290/0x290 [ 369.007549][T21386] sget+0x189/0x370 [ 369.011371][T21386] ? test_bdev_super+0x30/0x30 [ 369.016131][T21386] mount_bdev+0xd3/0x290 [ 369.020429][T21386] ? ext4_mount+0x40/0x40 [ 369.024827][T21386] ? ext4_errno_to_code+0x110/0x110 [ 369.030122][T21386] ext4_mount+0x2d/0x40 [ 369.034311][T21386] legacy_get_tree+0x70/0xc0 [ 369.038902][T21386] vfs_get_tree+0x4a/0x1a0 [ 369.043478][T21386] path_mount+0x11b9/0x1c00 [ 369.047979][T21386] __se_sys_mount+0x23d/0x2e0 [ 369.052752][T21386] __x64_sys_mount+0x63/0x70 [ 369.057350][T21386] do_syscall_64+0x39/0x80 [ 369.061768][T21386] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 369.067665][T21386] RIP: 0033:0x46797a [ 369.071556][T21386] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 369.091289][T21386] RSP: 002b:00007fdfcb135fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 369.099753][T21386] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046797a [ 369.107783][T21386] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdfcb136000 [ 369.115842][T21386] RBP: 00007fdfcb136040 R08: 00007fdfcb136040 R09: 0000000020000000 [ 369.123814][T21386] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 369.131784][T21386] R13: 0000000020000100 R14: 00007fdfcb136000 R15: 0000000020000040 20:57:40 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0xd000000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) 20:57:40 executing program 4 (fault-call:3 fault-nth:74): r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x18, 0xd9f, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200004, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000000000000004000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f00000000c0)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000000300)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) [ 369.158307][T21382] EXT4-fs (loop2): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)! [ 369.168540][T21392] loop0: detected capacity change from 0 to 4096 [ 369.180591][T21392] FAULT_INJECTION: forcing a failure. [ 369.180591][T21392] name failslab, interval 1, probability 0, space 0, times 0 [ 369.190966][T21382] EXT4-fs (loop2): group descriptors corrupted! 20:57:40 executing program 5: syz_mount_image$msdos(&(0x7f0000000f80)='msdos\x00', &(0x7f0000000fc0)='./file0\x00', 0xe000000, 0x0, &(0x7f0000001040), 0x0, &(0x7f0000001080)={[{@fat=@flush='flush'}]}) [ 369.265197][T21392] CPU: 0 PID: 21392 Comm: syz-executor.0 Not tainted 5.12.0-rc5-syzkaller #0 [ 369.266659][ T9516] usb 4-1: Using ep0 maxpacket: 8 [ 369.274003][T21392] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 369.274018][T21392] Call Trace: [ 369.274027][T21392] dump_stack+0x137/0x19d [ 369.290100][T21402] loop4: detected capacity change from 0 to 4096 [ 369.292395][T21392] should_fail+0x23c/0x250 [ 369.304883][T21402] FAULT_INJECTION: forcing a failure. [ 369.304883][T21402] name failslab, interval 1, probability 0, space 0, times 0 [ 369.307541][T21392] __should_failslab+0x81/0x90 [ 369.307602][T21392] ? tomoyo_realpath_from_path+0x98/0x3b0 [ 369.330971][T21392] should_failslab+0x5/0x20 [ 369.335562][T21392] __kmalloc+0x66/0x380 [ 369.339722][T21392] ? getname_kernel+0x37/0x1d0 [ 369.344516][T21392] tomoyo_realpath_from_path+0x98/0x3b0 [ 369.350069][T21392] tomoyo_mount_permission+0x639/0x700 [ 369.355553][T21392] ? ___cache_free+0x3c/0x2f0 [ 369.360250][T21392] tomoyo_sb_mount+0x31/0x40 [ 369.364849][T21392] security_sb_mount+0x5c/0xb0 [ 369.369617][T21392] path_mount+0xb1/0x1c00 [ 369.373945][T21392] __se_sys_mount+0x23d/0x2e0 [ 369.378639][T21392] __x64_sys_mount+0x63/0x70 [ 369.383226][T21392] do_syscall_64+0x39/0x80 [ 369.387681][T21392] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 369.393614][T21392] RIP: 0033:0x46797a [ 369.397569][T21392] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 369.416841][ T9516] usb 4-1: New USB device found, idVendor=0c72, idProduct=000d, bcdDevice=9b.c9 [ 369.417188][T21392] RSP: 002b:00007f14ea25ffa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 369.433759][ T9516] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 369.434612][T21392] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046797a [ 369.450546][T21392] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f14ea260000 [ 369.458515][T21392] RBP: 00007f14ea260040 R08: 00007f14ea260040 R09: 0000000020000000 [ 369.466504][T21392] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 369.474479][T21392] R13: 0000000020000100 R14: 00007f14ea260000 R15: 0000000020000040 [ 369.484006][ T9516] usb 4-1: config 0 descriptor?? [ 369.493206][T21402] CPU: 0 PID: 21402 Comm: syz-executor.4 Not tainted 5.12.0-rc5-syzkaller #0 [ 369.501986][T21402] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 369.512043][T21402] Call Trace: [ 369.515321][T21402] dump_stack+0x137/0x19d [ 369.519661][T21402] should_fail+0x23c/0x250 [ 369.525034][T21402] __should_failslab+0x81/0x90 [ 369.529797][T21402] should_failslab+0x5/0x20 [ 369.534373][T21402] kmem_cache_alloc_node_trace+0x5b/0x310 [ 369.540156][T21402] ? __kmalloc_node+0x30/0x40 [ 369.544836][T21402] __kmalloc_node+0x30/0x40 [ 369.549331][T21402] kvmalloc_node+0x81/0xf0 [ 369.553745][T21402] __list_lru_init+0x1dd/0x520 [ 369.558678][T21402] alloc_super+0x490/0x520 [ 369.563146][T21402] ? mount_bdev+0x290/0x290 [ 369.567648][T21402] sget+0x189/0x370 [ 369.571449][T21402] ? test_bdev_super+0x30/0x30 [ 369.576227][T21402] mount_bdev+0xd3/0x290 [ 369.580473][T21402] ? ext4_mount+0x40/0x40 [ 369.584800][T21402] ? ext4_errno_to_code+0x110/0x110 [ 369.589989][T21402] ext4_mount+0x2d/0x40 [ 369.594148][T21402] legacy_get_tree+0x70/0xc0 [ 369.598771][T21402] vfs_get_tree+0x4a/0x1a0 [ 369.603197][T21402] path_mount+0x11b9/0x1c00 [ 369.607705][T21402] __se_sys_mount+0x23d/0x2e0 [ 369.612376][T21402] __x64_sys_mount+0x63/0x70 [ 369.616955][T21402] do_syscall_64+0x39/0x80 [ 369.621367][T21402] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 369.627268][T21402] RIP: 0033:0x46797a [ 369.631152][T21402] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 369.650753][T21402] RSP: 002b:00007fdfcb135fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 369.659163][T21402] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046797a [ 369.667150][T21402] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdfcb136000 [ 369.675378][T21402] RBP: 00007fdfcb136040 R08: 00007fdfcb136040 R09: 0000000020000000 [ 369.683357][T21402] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 [ 369.691395][T21402] R13: 0000000020000100 R14: 00007fdfcb136000 R15: 0000000020000040 [ 369.738251][T21392] ERROR: Out of memory at tomoyo_realpath_from_path. [ 369.752016][T21414] loop5: detected capacity change from 0 to 264192 [ 369.760261][T21414] FAT-fs (loop5): bogus number of reserved sectors [ 369.769120][T21414] FAT-fs (loop5): Can't find a valid FAT filesystem [ 369.820485][T21414] loop5: detected capacity change from 0 to 264192 [ 369.833667][T21414] FAT-fs (loop5): bogus number of reserved sectors [ 369.842667][T21414] FAT-fs (loop5): Can't find a valid FAT filesystem [ 370.146687][ T9516] peak_usb 4-1:0.0 can0: unable to request usb[type=0 value=0] err=-71 [ 370.155000][ T9516] peak_usb 4-1:0.0: unable to read PCAN-USB Pro bootloader info (err -71) [ 370.196724][ T9516] peak_usb: probe of 4-1:0.0 failed with error -71 [ 370.206095][ T9516] usb 4-1: USB disconnect, device number 104 [ 370.896754][ T7] usb 4-1: new high-speed USB device number 105 using dummy_hcd [ 371.146671][ T7] usb 4-1: Using ep0 maxpacket: 8 [ 371.266825][ T7] usb 4-1: New USB device found, idVendor=0c72, idProduct=000d, bcdDevice=9b.c9 [ 371.276015][ T7] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 371.287228][ T7] usb 4-1: config 0 descriptor??