t4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000250f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 519.680088][T12825] FAT-fs (loop2): Can't find a valid FAT filesystem [ 519.695869][T12827] EXT4-fs (loop5): Can't read superblock on 2nd try [ 519.700744][T12832] EXT4-fs (loop4): Can't read superblock on 2nd try [ 519.709788][T12836] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 519.719534][T12836] EXT4-fs (loop0): group descriptors corrupted! 21:17:59 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x6000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 519.762443][T12832] loop4: detected capacity change from 0 to 4 [ 519.766789][T12852] loop5: detected capacity change from 0 to 4 [ 519.768729][T12836] loop0: detected capacity change from 0 to 512 [ 519.780844][T12852] EXT4-fs (loop5): Can't read superblock on 2nd try [ 519.781038][T12831] loop3: detected capacity change from 0 to 4 [ 519.801981][T12832] EXT4-fs (loop4): Can't read superblock on 2nd try 21:17:59 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000009000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 519.810720][T12836] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 519.820505][T12836] EXT4-fs (loop0): group descriptors corrupted! [ 519.827554][T12831] EXT4-fs (loop3): Can't read superblock on 2nd try [ 519.844463][T12852] loop5: detected capacity change from 0 to 4 [ 519.846039][T12862] loop2: detected capacity change from 0 to 11 21:17:59 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300004020f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 519.856996][T12852] EXT4-fs (loop5): Can't read superblock on 2nd try [ 519.864960][T12862] FAT-fs (loop2): bogus number of reserved sectors [ 519.871473][T12862] FAT-fs (loop2): Can't find a valid FAT filesystem 21:17:59 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000400000000300000030000c280f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:17:59 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000600f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 519.904258][T12869] loop0: detected capacity change from 0 to 512 [ 519.917466][T12862] loop2: detected capacity change from 0 to 11 [ 519.930106][T12880] loop5: detected capacity change from 0 to 4 [ 519.934372][T12883] loop4: detected capacity change from 0 to 4 [ 519.941964][T12884] loop3: detected capacity change from 0 to 4 [ 519.948569][T12869] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 519.958337][T12869] EXT4-fs (loop0): group descriptors corrupted! [ 519.963917][T12884] EXT4-fs (loop3): Can't read superblock on 2nd try [ 519.965242][T12883] EXT4-fs (loop4): Can't read superblock on 2nd try [ 519.971557][T12880] EXT4-fs (loop5): Can't read superblock on 2nd try [ 520.001390][T12869] loop0: detected capacity change from 0 to 512 [ 520.008258][T12869] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 520.018029][T12869] EXT4-fs (loop0): group descriptors corrupted! [ 520.028750][T12883] loop4: detected capacity change from 0 to 4 [ 520.028868][T12884] loop3: detected capacity change from 0 to 4 [ 520.041517][T12880] loop5: detected capacity change from 0 to 4 [ 520.049410][T12884] EXT4-fs (loop3): Can't read superblock on 2nd try [ 520.051986][T12883] EXT4-fs (loop4): Can't read superblock on 2nd try [ 520.063691][T12880] EXT4-fs (loop5): Can't read superblock on 2nd try 21:18:01 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000a000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:18:01 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x6040000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:18:01 executing program 1: clone(0x100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() wait4(0x0, 0x0, 0x80000002, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x0) tkill(r0, 0x34) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r1, 0x0) ptrace$cont(0xffffffffffffffff, r0, 0x0, 0x4) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ptrace$cont(0x18, r0, 0x0, 0x0) 21:18:01 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300070020f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:01 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000002e0f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:01 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000680f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 522.660213][T12920] loop5: detected capacity change from 0 to 4 [ 522.665463][T12922] loop2: detected capacity change from 0 to 11 [ 522.666613][T12921] loop4: detected capacity change from 0 to 4 [ 522.676614][T12924] loop3: detected capacity change from 0 to 4 [ 522.679025][T12923] loop0: detected capacity change from 0 to 512 [ 522.694451][T12924] EXT4-fs (loop3): Can't read superblock on 2nd try [ 522.694517][T12920] EXT4-fs (loop5): Can't read superblock on 2nd try [ 522.707763][T12921] EXT4-fs (loop4): Can't read superblock on 2nd try [ 522.726303][T12922] loop2: detected capacity change from 0 to 11 [ 522.728764][T12923] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 522.742230][T12923] EXT4-fs (loop0): group descriptors corrupted! [ 522.753802][T12920] loop5: detected capacity change from 0 to 4 21:18:02 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000006c0f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:02 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x7000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:18:02 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300071020f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 522.754205][T12924] loop3: detected capacity change from 0 to 4 [ 522.766001][T12920] EXT4-fs (loop5): Can't read superblock on 2nd try [ 522.773805][T12924] EXT4-fs (loop3): Can't read superblock on 2nd try 21:18:02 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000003f0f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 522.812905][T12953] loop2: detected capacity change from 0 to 11 [ 522.813284][T12952] loop4: detected capacity change from 0 to 4 [ 522.822848][T12953] FAT-fs (loop2): bogus number of reserved sectors [ 522.831638][T12953] FAT-fs (loop2): Can't find a valid FAT filesystem [ 522.842960][T12923] loop0: detected capacity change from 0 to 512 [ 522.849025][T12956] loop3: detected capacity change from 0 to 4 [ 522.860930][T12956] EXT4-fs (loop3): Can't read superblock on 2nd try [ 522.880405][T12952] EXT4-fs (loop4): Can't read superblock on 2nd try [ 522.881637][T12966] loop5: detected capacity change from 0 to 4 [ 522.887305][T12923] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 522.902977][T12923] EXT4-fs (loop0): group descriptors corrupted! 21:18:02 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000b000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 522.903232][T12966] EXT4-fs (loop5): Can't read superblock on 2nd try [ 522.920381][T12953] loop2: detected capacity change from 0 to 11 [ 522.927130][T12956] loop3: detected capacity change from 0 to 4 [ 522.935505][T12956] EXT4-fs (loop3): Can't read superblock on 2nd try [ 522.940610][T12952] loop4: detected capacity change from 0 to 4 [ 522.949055][T12952] EXT4-fs (loop4): Can't read superblock on 2nd try 21:18:02 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x8000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:18:02 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300072020f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:02 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000740f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 522.959276][T12966] loop5: detected capacity change from 0 to 4 [ 522.964913][T12982] loop0: detected capacity change from 0 to 512 [ 522.971798][T12966] EXT4-fs (loop5): Can't read superblock on 2nd try [ 522.978653][T12982] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 522.988416][T12982] EXT4-fs (loop0): group descriptors corrupted! [ 523.021536][T12993] loop3: detected capacity change from 0 to 4 [ 523.021884][T12990] loop2: detected capacity change from 0 to 11 [ 523.037871][T12990] FAT-fs (loop2): bogus number of reserved sectors [ 523.038199][T12996] loop4: detected capacity change from 0 to 4 [ 523.044417][T12990] FAT-fs (loop2): Can't find a valid FAT filesystem [ 523.057079][T12993] EXT4-fs (loop3): Can't read superblock on 2nd try [ 523.057975][T12996] EXT4-fs (loop4): Can't read superblock on 2nd try [ 523.069867][T12982] loop0: detected capacity change from 0 to 512 [ 523.077843][T12982] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 523.087639][T12982] EXT4-fs (loop0): group descriptors corrupted! [ 523.100867][T12993] loop3: detected capacity change from 0 to 4 [ 523.100981][T12990] loop2: detected capacity change from 0 to 11 [ 523.114074][T12993] EXT4-fs (loop3): Can't read superblock on 2nd try [ 523.125864][T12996] loop4: detected capacity change from 0 to 4 [ 523.132981][T12996] EXT4-fs (loop4): Can't read superblock on 2nd try 21:18:04 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000c000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:18:04 executing program 1: clone(0x100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() wait4(0x0, 0x0, 0x80000002, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x0) tkill(r0, 0x34) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r1, 0x0) ptrace$cont(0xffffffffffffffff, r0, 0x0, 0x4) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ptrace$cont(0x18, r0, 0x0, 0x0) 21:18:04 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000400f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:04 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000030f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:04 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000007a0f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:04 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x9000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 525.682965][T13027] loop5: detected capacity change from 0 to 4 [ 525.691093][T13028] loop4: detected capacity change from 0 to 4 [ 525.699371][T13027] EXT4-fs (loop5): Can't read superblock on 2nd try [ 525.703619][T13036] loop2: detected capacity change from 0 to 11 [ 525.709248][T13035] loop3: detected capacity change from 0 to 4 [ 525.718594][T13028] EXT4-fs (loop4): Can't read superblock on 2nd try [ 525.725863][T13037] loop0: detected capacity change from 0 to 512 [ 525.731663][T13036] FAT-fs (loop2): bogus number of reserved sectors [ 525.738594][T13036] FAT-fs (loop2): Can't find a valid FAT filesystem [ 525.746973][T13037] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 525.756762][T13035] EXT4-fs (loop3): Can't read superblock on 2nd try [ 525.763380][T13037] EXT4-fs (loop0): group descriptors corrupted! [ 525.781863][T13027] loop5: detected capacity change from 0 to 4 [ 525.782669][T13035] loop3: detected capacity change from 0 to 4 [ 525.795324][T13027] EXT4-fs (loop5): Can't read superblock on 2nd try [ 525.802628][T13037] loop0: detected capacity change from 0 to 512 [ 525.809463][T13028] loop4: detected capacity change from 0 to 4 [ 525.811339][T13037] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 525.825277][T13037] EXT4-fs (loop0): group descriptors corrupted! 21:18:05 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000480f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 525.832387][T13035] EXT4-fs (loop3): Can't read superblock on 2nd try [ 525.832691][T13036] loop2: detected capacity change from 0 to 11 [ 525.839124][T13028] EXT4-fs (loop4): Can't read superblock on 2nd try 21:18:05 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0xa000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:18:05 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300002040f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:05 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000d000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:18:05 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000fe0f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 525.951994][T13074] loop5: detected capacity change from 0 to 4 [ 525.953290][T13076] loop3: detected capacity change from 0 to 4 [ 525.965142][T13077] loop0: detected capacity change from 0 to 512 [ 525.968937][T13078] loop4: detected capacity change from 0 to 4 [ 525.978146][T13074] EXT4-fs (loop5): Can't read superblock on 2nd try [ 525.984236][T13078] EXT4-fs (loop4): Can't read superblock on 2nd try [ 525.992148][T13083] loop2: detected capacity change from 0 to 11 [ 525.998381][T13076] EXT4-fs (loop3): Can't read superblock on 2nd try [ 525.998385][T13077] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 525.998400][T13077] EXT4-fs (loop0): group descriptors corrupted! [ 526.011393][T13083] FAT-fs (loop2): bogus number of reserved sectors [ 526.027394][T13083] FAT-fs (loop2): Can't find a valid FAT filesystem [ 526.041630][T13074] loop5: detected capacity change from 0 to 4 21:18:05 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000e000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 526.043750][T13077] loop0: detected capacity change from 0 to 512 [ 526.055001][T13077] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 526.062610][T13078] loop4: detected capacity change from 0 to 4 [ 526.064752][T13077] EXT4-fs (loop0): group descriptors corrupted! [ 526.072291][T13083] loop2: detected capacity change from 0 to 11 [ 526.085269][T13076] loop3: detected capacity change from 0 to 4 [ 526.093028][T13076] EXT4-fs (loop3): Can't read superblock on 2nd try 21:18:05 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300006040f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 526.103725][T13074] EXT4-fs (loop5): Can't read superblock on 2nd try [ 526.107609][T13078] EXT4-fs (loop4): Can't read superblock on 2nd try [ 526.121141][T13103] loop0: detected capacity change from 0 to 512 [ 526.147120][T13103] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 526.156868][T13103] EXT4-fs (loop0): group descriptors corrupted! [ 526.186585][T13112] loop3: detected capacity change from 0 to 4 [ 526.194241][T13112] EXT4-fs (loop3): Can't read superblock on 2nd try [ 526.241620][T13112] loop3: detected capacity change from 0 to 4 [ 526.248533][T13112] EXT4-fs (loop3): Can't read superblock on 2nd try 21:18:07 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0xb000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:18:07 executing program 1: clone(0x100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() wait4(0x0, 0x0, 0x80000002, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x0) tkill(r0, 0x34) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r1, 0x0) ptrace$cont(0xffffffffffffffff, r0, 0x0, 0x4) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ptrace$cont(0x18, r0, 0x0, 0x0) 21:18:07 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300200000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:18:07 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000011000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:07 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000004c0f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:07 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300010040f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 528.697324][T13128] loop3: detected capacity change from 0 to 4 [ 528.713761][T13132] loop5: detected capacity change from 0 to 4 [ 528.719527][T13136] loop0: detected capacity change from 0 to 512 [ 528.720145][T13134] loop4: detected capacity change from 0 to 4 [ 528.733039][T13128] EXT4-fs (loop3): Can't read superblock on 2nd try [ 528.733063][T13135] loop2: detected capacity change from 0 to 11 [ 528.744505][T13136] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 528.755579][T13136] EXT4-fs (loop0): group descriptors corrupted! [ 528.762241][T13134] EXT4-fs (loop4): Can't read superblock on 2nd try [ 528.767468][T13135] FAT-fs (loop2): bogus number of reserved sectors [ 528.769023][T13132] EXT4-fs (loop5): Can't read superblock on 2nd try [ 528.775350][T13135] FAT-fs (loop2): Can't find a valid FAT filesystem 21:18:08 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000012000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:08 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000050f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 528.798035][T13128] loop3: detected capacity change from 0 to 4 [ 528.804685][T13128] EXT4-fs (loop3): Can't read superblock on 2nd try [ 528.822377][T13152] loop4: detected capacity change from 0 to 4 [ 528.829995][T13152] EXT4-fs (loop4): Can't read superblock on 2nd try [ 528.840223][T13132] loop5: detected capacity change from 0 to 4 21:18:08 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300300000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:18:08 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000400000000300000030000007cd000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 528.853170][T13135] loop2: detected capacity change from 0 to 11 [ 528.857585][T13132] EXT4-fs (loop5): Can't read superblock on 2nd try [ 528.884762][T13168] loop3: detected capacity change from 0 to 4 [ 528.885501][T13170] loop0: detected capacity change from 0 to 512 21:18:08 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0xc000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:18:08 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000600f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 528.892675][T13168] EXT4-fs (loop3): Can't read superblock on 2nd try [ 528.904315][T13170] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 528.914132][T13170] EXT4-fs (loop0): group descriptors corrupted! [ 528.930154][T13179] loop4: detected capacity change from 0 to 4 [ 528.944753][T13179] EXT4-fs (loop4): Can't read superblock on 2nd try 21:18:08 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0xd000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 528.951877][T13181] loop2: detected capacity change from 0 to 11 [ 528.961259][T13181] FAT-fs (loop2): bogus number of reserved sectors [ 528.967772][T13181] FAT-fs (loop2): Can't find a valid FAT filesystem [ 528.975057][T13186] loop5: detected capacity change from 0 to 4 [ 528.985847][T13186] EXT4-fs (loop5): Can't read superblock on 2nd try [ 529.000689][T13179] loop4: detected capacity change from 0 to 4 [ 529.001967][T13170] loop0: detected capacity change from 0 to 512 [ 529.013195][T13168] loop3: detected capacity change from 0 to 4 [ 529.022003][T13168] EXT4-fs (loop3): Can't read superblock on 2nd try [ 529.031991][T13170] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 529.041779][T13170] EXT4-fs (loop0): group descriptors corrupted! [ 529.041806][T13179] EXT4-fs (loop4): Can't read superblock on 2nd try [ 529.053691][T13199] loop2: detected capacity change from 0 to 11 [ 529.063285][T13186] loop5: detected capacity change from 0 to 4 [ 529.072092][T13186] EXT4-fs (loop5): Can't read superblock on 2nd try [ 529.081155][T13199] FAT-fs (loop2): bogus number of reserved sectors [ 529.087788][T13199] FAT-fs (loop2): Can't find a valid FAT filesystem [ 529.132475][T13199] loop2: detected capacity change from 0 to 11 [ 529.140128][T13199] FAT-fs (loop2): bogus number of reserved sectors [ 529.146653][T13199] FAT-fs (loop2): Can't find a valid FAT filesystem 21:18:10 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000060f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:10 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000002000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:10 executing program 1: clone(0x100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() wait4(0x0, 0x0, 0x80000002, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x0) tkill(r0, 0x34) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r1, 0x0) ptrace$cont(0x18, 0x0, 0x0, 0x4) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ptrace$cont(0x18, r0, 0x0, 0x0) 21:18:10 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300400000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:18:10 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000680f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:10 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0xe000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 531.726339][T13233] loop5: detected capacity change from 0 to 4 [ 531.734102][T13236] loop0: detected capacity change from 0 to 512 [ 531.735697][T13234] loop4: detected capacity change from 0 to 4 [ 531.746794][T13236] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 531.748905][T13235] loop3: detected capacity change from 0 to 4 [ 531.756581][T13236] EXT4-fs (loop0): group descriptors corrupted! [ 531.765860][T13237] loop2: detected capacity change from 0 to 11 21:18:11 executing program 1: clone(0x100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() wait4(0x0, 0x0, 0x80000002, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x0) tkill(r0, 0x34) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r1, 0x0) ptrace$cont(0x18, 0x0, 0x0, 0x4) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ptrace$cont(0x18, r0, 0x0, 0x0) [ 531.778802][T13233] EXT4-fs (loop5): Can't read superblock on 2nd try [ 531.795334][T13234] EXT4-fs (loop4): Can't read superblock on 2nd try [ 531.796140][T13235] EXT4-fs (loop3): Can't read superblock on 2nd try [ 531.810911][T13236] loop0: detected capacity change from 0 to 512 [ 531.817931][T13237] FAT-fs (loop2): bogus number of reserved sectors 21:18:11 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000003000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:11 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300500000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:18:11 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300004060f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 531.824542][T13237] FAT-fs (loop2): Can't find a valid FAT filesystem [ 531.831908][T13236] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 531.841662][T13236] EXT4-fs (loop0): group descriptors corrupted! [ 531.850131][T13233] loop5: detected capacity change from 0 to 4 [ 531.856759][T13233] EXT4-fs (loop5): Can't read superblock on 2nd try [ 531.887386][T13265] loop4: detected capacity change from 0 to 4 [ 531.893711][T13267] loop3: detected capacity change from 0 to 4 [ 531.907434][T13275] loop0: detected capacity change from 0 to 512 [ 531.907916][T13237] loop2: detected capacity change from 0 to 11 [ 531.920676][T13267] EXT4-fs (loop3): Can't read superblock on 2nd try [ 531.922192][T13265] EXT4-fs (loop4): Can't read superblock on 2nd try 21:18:11 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000006c0f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 531.936633][T13275] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 531.946449][T13275] EXT4-fs (loop0): group descriptors corrupted! [ 531.962694][T13267] loop3: detected capacity change from 0 to 4 [ 531.965217][T13284] loop5: detected capacity change from 0 to 4 [ 531.976592][T13267] EXT4-fs (loop3): Can't read superblock on 2nd try 21:18:11 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0xf000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 531.977349][T13284] EXT4-fs (loop5): Can't read superblock on 2nd try [ 531.999550][T13275] loop0: detected capacity change from 0 to 512 [ 532.000440][T13265] loop4: detected capacity change from 0 to 4 [ 532.014901][T13284] loop5: detected capacity change from 0 to 4 [ 532.020091][T13275] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 532.030686][T13275] EXT4-fs (loop0): group descriptors corrupted! 21:18:11 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000070f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:11 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300600000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:18:11 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000004000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:11 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300002710f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 532.033553][T13265] EXT4-fs (loop4): Can't read superblock on 2nd try [ 532.045300][T13284] EXT4-fs (loop5): Can't read superblock on 2nd try [ 532.058347][T13295] loop3: detected capacity change from 0 to 4 [ 532.066565][T13295] EXT4-fs (loop3): Can't read superblock on 2nd try [ 532.112427][T13295] loop3: detected capacity change from 0 to 4 [ 532.121678][T13295] EXT4-fs (loop3): Can't read superblock on 2nd try [ 532.134866][T13312] loop0: detected capacity change from 0 to 512 [ 532.136738][T13313] loop4: detected capacity change from 0 to 4 [ 532.141380][T13315] loop5: detected capacity change from 0 to 4 [ 532.149500][T13314] loop2: detected capacity change from 0 to 11 21:18:11 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000090f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 532.161181][T13312] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 532.170945][T13312] EXT4-fs (loop0): group descriptors corrupted! [ 532.177508][T13315] EXT4-fs (loop5): Can't read superblock on 2nd try [ 532.190758][T13314] FAT-fs (loop2): bogus number of reserved sectors [ 532.197277][T13314] FAT-fs (loop2): Can't find a valid FAT filesystem [ 532.209636][T13313] EXT4-fs (loop4): Can't read superblock on 2nd try [ 532.216666][T13325] loop3: detected capacity change from 0 to 4 [ 532.226328][T13312] loop0: detected capacity change from 0 to 512 [ 532.233234][T13325] EXT4-fs (loop3): Can't read superblock on 2nd try [ 532.236574][T13315] loop5: detected capacity change from 0 to 4 [ 532.249294][T13313] loop4: detected capacity change from 0 to 4 [ 532.256617][T13315] EXT4-fs (loop5): Can't read superblock on 2nd try [ 532.264667][T13313] EXT4-fs (loop4): Can't read superblock on 2nd try [ 532.265732][T13312] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 532.273363][T13314] loop2: detected capacity change from 0 to 11 [ 532.281063][T13312] EXT4-fs (loop0): group descriptors corrupted! [ 532.294496][T13325] loop3: detected capacity change from 0 to 4 21:18:11 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300002720f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 532.311259][T13325] EXT4-fs (loop3): Can't read superblock on 2nd try [ 532.389317][T13350] loop5: detected capacity change from 0 to 4 [ 532.397400][T13350] EXT4-fs (loop5): Can't read superblock on 2nd try [ 532.450970][T13350] loop5: detected capacity change from 0 to 4 [ 532.457473][T13350] EXT4-fs (loop5): Can't read superblock on 2nd try 21:18:14 executing program 1: clone(0x100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() wait4(0x0, 0x0, 0x80000002, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x0) tkill(r0, 0x34) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r1, 0x0) ptrace$cont(0x18, 0x0, 0x0, 0x4) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ptrace$cont(0x18, r0, 0x0, 0x0) 21:18:14 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000a0f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:14 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x10000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:18:14 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000005000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:14 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300700000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:18:14 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300002730f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 534.825612][T13367] loop4: detected capacity change from 0 to 4 [ 534.833384][T13368] loop2: detected capacity change from 0 to 11 [ 534.837642][T13369] loop5: detected capacity change from 0 to 4 [ 534.841379][T13370] loop3: detected capacity change from 0 to 4 [ 534.846026][T13371] loop0: detected capacity change from 0 to 512 [ 534.863572][T13368] FAT-fs (loop2): bogus number of reserved sectors [ 534.870105][T13368] FAT-fs (loop2): Can't find a valid FAT filesystem [ 534.873434][T13371] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 534.886498][T13371] EXT4-fs (loop0): group descriptors corrupted! [ 534.887270][T13369] EXT4-fs (loop5): Can't read superblock on 2nd try [ 534.899375][T13370] EXT4-fs (loop3): Can't read superblock on 2nd try [ 534.905996][T13367] EXT4-fs (loop4): Can't read superblock on 2nd try 21:18:14 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x11000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 534.930910][T13369] loop5: detected capacity change from 0 to 4 [ 534.933929][T13371] loop0: detected capacity change from 0 to 512 [ 534.947259][T13369] EXT4-fs (loop5): Can't read superblock on 2nd try [ 534.952402][T13371] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 534.963583][T13371] EXT4-fs (loop0): group descriptors corrupted! 21:18:14 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300800000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 534.981850][T13370] loop3: detected capacity change from 0 to 4 [ 534.988674][T13367] loop4: detected capacity change from 0 to 4 [ 534.989188][T13370] EXT4-fs (loop3): Can't read superblock on 2nd try [ 534.997233][T13398] loop2: detected capacity change from 0 to 11 [ 535.008262][T13367] EXT4-fs (loop4): Can't read superblock on 2nd try [ 535.017726][T13398] FAT-fs (loop2): bogus number of reserved sectors [ 535.024259][T13398] FAT-fs (loop2): Can't find a valid FAT filesystem 21:18:14 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000006000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:14 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000740f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 535.036260][T13401] loop0: detected capacity change from 0 to 512 [ 535.051555][T13398] loop2: detected capacity change from 0 to 11 [ 535.071488][T13401] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock 21:18:14 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000b0f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:14 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x12000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 535.078161][T13413] loop5: detected capacity change from 0 to 4 [ 535.081229][T13401] EXT4-fs (loop0): group descriptors corrupted! [ 535.094004][T13413] EXT4-fs (loop5): Can't read superblock on 2nd try [ 535.106935][T13418] loop4: detected capacity change from 0 to 4 [ 535.115425][T13418] EXT4-fs (loop4): Can't read superblock on 2nd try [ 535.125177][T13422] loop3: detected capacity change from 0 to 4 [ 535.133174][T13422] EXT4-fs (loop3): Can't read superblock on 2nd try [ 535.140754][T13418] loop4: detected capacity change from 0 to 4 [ 535.149158][T13401] loop0: detected capacity change from 0 to 512 [ 535.151593][T13413] loop5: detected capacity change from 0 to 4 [ 535.162274][T13401] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 535.167907][T13418] EXT4-fs (loop4): Can't read superblock on 2nd try [ 535.172085][T13401] EXT4-fs (loop0): group descriptors corrupted! [ 535.172301][T13413] EXT4-fs (loop5): Can't read superblock on 2nd try [ 535.192552][T13422] loop3: detected capacity change from 0 to 4 [ 535.209828][T13422] EXT4-fs (loop3): Can't read superblock on 2nd try [ 535.225141][T13443] loop2: detected capacity change from 0 to 11 [ 535.232112][T13443] FAT-fs (loop2): bogus number of reserved sectors [ 535.238773][T13443] FAT-fs (loop2): Can't find a valid FAT filesystem [ 535.284632][T13443] loop2: detected capacity change from 0 to 11 21:18:17 executing program 1: clone(0x100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() wait4(0x0, 0x0, 0x80000002, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x0) tkill(r0, 0x34) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r1, 0x0) ptrace$cont(0x18, r0, 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ptrace$cont(0x18, r0, 0x0, 0x0) 21:18:17 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000007000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:17 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300900000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:18:17 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000007a0f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:17 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000c0f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:17 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x20000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 537.837454][T13466] loop5: detected capacity change from 0 to 4 [ 537.844884][T13466] EXT4-fs (loop5): Can't read superblock on 2nd try [ 537.849988][T13467] loop0: detected capacity change from 0 to 512 [ 537.859354][T13475] loop3: detected capacity change from 0 to 4 [ 537.863892][T13474] loop2: detected capacity change from 0 to 11 [ 537.875142][T13467] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 537.884949][T13467] EXT4-fs (loop0): group descriptors corrupted! [ 537.891433][T13475] EXT4-fs (loop3): Can't read superblock on 2nd try [ 537.897496][T13474] FAT-fs (loop2): bogus number of reserved sectors [ 537.898272][T13479] loop4: detected capacity change from 0 to 4 [ 537.904654][T13474] FAT-fs (loop2): Can't find a valid FAT filesystem [ 537.917948][T13466] loop5: detected capacity change from 0 to 4 [ 537.924911][T13479] EXT4-fs (loop4): Can't read superblock on 2nd try [ 537.932506][T13466] EXT4-fs (loop5): Can't read superblock on 2nd try [ 537.934953][T13475] loop3: detected capacity change from 0 to 4 [ 537.945807][T13467] loop0: detected capacity change from 0 to 512 [ 537.946403][T13474] loop2: detected capacity change from 0 to 11 [ 537.959222][T13474] FAT-fs (loop2): bogus number of reserved sectors [ 537.965740][T13474] FAT-fs (loop2): Can't find a valid FAT filesystem [ 537.973403][T13467] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock 21:18:17 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000018c0f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:17 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000008000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:17 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x20100000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 537.983166][T13467] EXT4-fs (loop0): group descriptors corrupted! [ 537.992252][T13475] EXT4-fs (loop3): Can't read superblock on 2nd try [ 538.005357][T13502] loop5: detected capacity change from 0 to 4 [ 538.025276][T13502] EXT4-fs (loop5): Can't read superblock on 2nd try 21:18:17 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300a00000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:18:17 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000d0f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 538.063098][T13516] loop4: detected capacity change from 0 to 4 [ 538.074735][T13502] loop5: detected capacity change from 0 to 4 [ 538.079128][T13511] loop2: detected capacity change from 0 to 11 [ 538.083805][T13502] EXT4-fs (loop5): Can't read superblock on 2nd try [ 538.095847][T13516] EXT4-fs (loop4): Can't read superblock on 2nd try [ 538.105366][T13523] loop0: detected capacity change from 0 to 512 [ 538.111955][T13524] loop3: detected capacity change from 0 to 4 [ 538.118513][T13523] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 538.128339][T13523] EXT4-fs (loop0): group descriptors corrupted! [ 538.135063][T13524] EXT4-fs (loop3): Can't read superblock on 2nd try [ 538.152634][T13511] loop2: detected capacity change from 0 to 11 21:18:17 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000018d0f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 538.174420][T13516] loop4: detected capacity change from 0 to 4 [ 538.175667][T13524] loop3: detected capacity change from 0 to 4 [ 538.181210][T13516] EXT4-fs (loop4): Can't read superblock on 2nd try [ 538.186778][T13523] loop0: detected capacity change from 0 to 512 [ 538.210166][T13524] EXT4-fs (loop3): Can't read superblock on 2nd try [ 538.214573][T13542] loop5: detected capacity change from 0 to 4 [ 538.224636][T13523] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 538.234412][T13523] EXT4-fs (loop0): group descriptors corrupted! [ 538.237186][T13542] EXT4-fs (loop5): Can't read superblock on 2nd try [ 538.302161][T13542] loop5: detected capacity change from 0 to 4 [ 538.308725][T13542] EXT4-fs (loop5): Can't read superblock on 2nd try 21:18:20 executing program 1: clone(0x100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() wait4(0x0, 0x0, 0x80000002, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x0) tkill(r0, 0x34) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r1, 0x0) ptrace$cont(0x18, r0, 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ptrace$cont(0x18, r0, 0x0, 0x0) 21:18:20 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x22000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:18:20 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000009000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:20 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000e0f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:20 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300b00000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:18:20 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000018e0f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 540.852480][T13561] loop2: detected capacity change from 0 to 11 [ 540.867104][T13562] loop3: detected capacity change from 0 to 4 [ 540.867505][T13567] loop5: detected capacity change from 0 to 4 [ 540.880300][T13561] FAT-fs (loop2): bogus number of reserved sectors [ 540.881411][T13571] loop4: detected capacity change from 0 to 4 [ 540.886902][T13561] FAT-fs (loop2): Can't find a valid FAT filesystem [ 540.901343][T13572] loop0: detected capacity change from 0 to 512 [ 540.905541][T13562] EXT4-fs (loop3): Can't read superblock on 2nd try [ 540.915187][T13567] EXT4-fs (loop5): Can't read superblock on 2nd try [ 540.922334][T13572] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 540.927747][T13571] EXT4-fs (loop4): Can't read superblock on 2nd try [ 540.932099][T13572] EXT4-fs (loop0): group descriptors corrupted! [ 540.951312][T13562] loop3: detected capacity change from 0 to 4 [ 540.951771][T13561] loop2: detected capacity change from 0 to 11 [ 540.964757][T13567] loop5: detected capacity change from 0 to 4 [ 540.966482][T13572] loop0: detected capacity change from 0 to 512 [ 540.977656][T13567] EXT4-fs (loop5): Can't read superblock on 2nd try [ 540.979815][T13571] loop4: detected capacity change from 0 to 4 [ 540.984442][T13562] EXT4-fs (loop3): Can't read superblock on 2nd try 21:18:20 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x25000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:18:20 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000fffe0f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 540.997205][T13571] EXT4-fs (loop4): Can't read superblock on 2nd try [ 540.997314][T13572] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 541.013605][T13572] EXT4-fs (loop0): group descriptors corrupted! 21:18:20 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000f0f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:20 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300c00000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:18:20 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000a000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 541.064310][T13596] loop5: detected capacity change from 0 to 4 [ 541.096580][T13596] EXT4-fs (loop5): Can't read superblock on 2nd try [ 541.129545][T13613] loop0: detected capacity change from 0 to 512 [ 541.133678][T13612] loop2: detected capacity change from 0 to 11 [ 541.143013][T13596] loop5: detected capacity change from 0 to 4 [ 541.152520][T13596] EXT4-fs (loop5): Can't read superblock on 2nd try [ 541.164698][T13613] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock 21:18:20 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x3f000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 541.173743][T13612] FAT-fs (loop2): bogus number of reserved sectors [ 541.174506][T13613] EXT4-fs (loop0): group descriptors corrupted! [ 541.180972][T13612] FAT-fs (loop2): Can't find a valid FAT filesystem [ 541.188439][T13614] loop3: detected capacity change from 0 to 4 [ 541.200064][T13616] loop4: detected capacity change from 0 to 4 [ 541.204880][T13614] EXT4-fs (loop3): Can't read superblock on 2nd try [ 541.214380][T13616] EXT4-fs (loop4): Can't read superblock on 2nd try [ 541.236204][T13628] loop2: detected capacity change from 0 to 11 [ 541.242608][T13614] loop3: detected capacity change from 0 to 4 [ 541.247030][T13628] FAT-fs (loop2): bogus number of reserved sectors [ 541.252747][T13613] loop0: detected capacity change from 0 to 512 [ 541.255190][T13628] FAT-fs (loop2): Can't find a valid FAT filesystem [ 541.268222][T13614] EXT4-fs (loop3): Can't read superblock on 2nd try [ 541.277734][T13613] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 541.287480][T13613] EXT4-fs (loop0): group descriptors corrupted! [ 541.303213][T13616] loop4: detected capacity change from 0 to 4 [ 541.309846][T13616] EXT4-fs (loop4): Can't read superblock on 2nd try [ 541.325179][T13628] loop2: detected capacity change from 0 to 11 21:18:23 executing program 1: clone(0x100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() wait4(0x0, 0x0, 0x80000002, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x0) tkill(r0, 0x34) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r1, 0x0) ptrace$cont(0x18, r0, 0x0, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ptrace$cont(0x18, r0, 0x0, 0x0) 21:18:23 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000400000000300000030000fff0f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:23 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300d00000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:18:23 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300004100f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:23 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x40000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:18:23 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000b000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 543.874815][T13658] loop2: detected capacity change from 0 to 11 [ 543.881204][T13660] loop3: detected capacity change from 0 to 4 [ 543.884872][T13656] loop4: detected capacity change from 0 to 4 [ 543.889389][T13658] FAT-fs (loop2): bogus number of reserved sectors [ 543.899844][T13658] FAT-fs (loop2): Can't find a valid FAT filesystem [ 543.901797][T13664] loop5: detected capacity change from 0 to 4 [ 543.912543][T13660] EXT4-fs (loop3): Can't read superblock on 2nd try [ 543.920687][T13665] loop0: detected capacity change from 0 to 512 [ 543.933007][T13656] EXT4-fs (loop4): Can't read superblock on 2nd try [ 543.939143][T13665] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 543.949314][T13665] EXT4-fs (loop0): group descriptors corrupted! [ 543.960153][T13664] EXT4-fs (loop5): Can't read superblock on 2nd try [ 543.989363][T13656] loop4: detected capacity change from 0 to 4 [ 543.991299][T13660] loop3: detected capacity change from 0 to 4 [ 544.001848][T13658] loop2: detected capacity change from 0 to 11 [ 544.009184][T13665] loop0: detected capacity change from 0 to 512 [ 544.015552][T13656] EXT4-fs (loop4): Can't read superblock on 2nd try [ 544.016235][T13665] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 544.031888][T13665] EXT4-fs (loop0): group descriptors corrupted! [ 544.042061][T13664] loop5: detected capacity change from 0 to 4 [ 544.042556][T13660] EXT4-fs (loop3): Can't read superblock on 2nd try [ 544.049200][T13664] EXT4-fs (loop5): Can't read superblock on 2nd try 21:18:23 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000c000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:23 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300020100f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:23 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300e00000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:18:23 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x48000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:18:23 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000feff0f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 544.115775][T13700] loop4: detected capacity change from 0 to 4 [ 544.123242][T13703] loop3: detected capacity change from 0 to 4 [ 544.131478][T13700] EXT4-fs (loop4): Can't read superblock on 2nd try [ 544.139104][T13706] loop0: detected capacity change from 0 to 512 [ 544.148327][T13706] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 544.158081][T13706] EXT4-fs (loop0): group descriptors corrupted! [ 544.165369][T13703] EXT4-fs (loop3): Can't read superblock on 2nd try [ 544.171289][T13714] loop2: detected capacity change from 0 to 11 [ 544.178498][T13715] loop5: detected capacity change from 0 to 4 [ 544.186899][T13700] loop4: detected capacity change from 0 to 4 [ 544.194487][T13715] EXT4-fs (loop5): Can't read superblock on 2nd try [ 544.199542][T13714] FAT-fs (loop2): bogus number of reserved sectors [ 544.207546][T13714] FAT-fs (loop2): Can't find a valid FAT filesystem [ 544.207610][T13700] EXT4-fs (loop4): Can't read superblock on 2nd try [ 544.222194][T13703] loop3: detected capacity change from 0 to 4 [ 544.233644][T13706] loop0: detected capacity change from 0 to 512 [ 544.233702][T13715] loop5: detected capacity change from 0 to 4 [ 544.249066][T13703] EXT4-fs (loop3): Can't read superblock on 2nd try [ 544.259749][T13714] loop2: detected capacity change from 0 to 11 21:18:23 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000d000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 544.266119][T13706] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 544.275871][T13706] EXT4-fs (loop0): group descriptors corrupted! [ 544.284843][T13715] EXT4-fs (loop5): Can't read superblock on 2nd try [ 544.301239][T13739] loop4: detected capacity change from 0 to 4 [ 544.309419][T13739] EXT4-fs (loop4): Can't read superblock on 2nd try [ 544.356415][T13739] loop4: detected capacity change from 0 to 4 [ 544.367916][T13739] EXT4-fs (loop4): Can't read superblock on 2nd try 21:18:26 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000003000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:26 executing program 1: clone(0x100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() wait4(0x0, 0x0, 0x80000002, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x0) tkill(r0, 0x34) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r1, 0x0) ptrace$cont(0x18, r0, 0x0, 0x4) preadv(0xffffffffffffffff, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ptrace$cont(0x18, r0, 0x0, 0x0) 21:18:26 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300f00000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:18:26 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000110f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:26 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x4c000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:18:26 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000e000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 546.921338][T13755] loop5: detected capacity change from 0 to 4 [ 546.926915][T13756] loop3: detected capacity change from 0 to 4 [ 546.939864][T13762] loop4: detected capacity change from 0 to 4 [ 546.942173][T13761] loop2: detected capacity change from 0 to 11 [ 546.946289][T13765] loop0: detected capacity change from 0 to 512 [ 546.960505][T13755] EXT4-fs (loop5): Can't read superblock on 2nd try 21:18:26 executing program 1: clone(0x100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() wait4(0x0, 0x0, 0x80000002, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x0) tkill(r0, 0x34) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r1, 0x0) ptrace$cont(0x18, r0, 0x0, 0x4) preadv(0xffffffffffffffff, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ptrace$cont(0x18, r0, 0x0, 0x0) [ 546.967947][T13756] EXT4-fs (loop3): Can't read superblock on 2nd try [ 546.974848][T13762] EXT4-fs (loop4): Can't read superblock on 2nd try [ 546.981919][T13761] FAT-fs (loop2): bogus number of reserved sectors [ 546.988467][T13761] FAT-fs (loop2): Can't find a valid FAT filesystem [ 546.995058][T13765] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 547.004776][T13765] EXT4-fs (loop0): group descriptors corrupted! [ 547.029106][T13762] loop4: detected capacity change from 0 to 4 [ 547.035561][T13762] EXT4-fs (loop4): Can't read superblock on 2nd try [ 547.038256][T13755] loop5: detected capacity change from 0 to 4 [ 547.047117][T13756] loop3: detected capacity change from 0 to 4 [ 547.049731][T13761] loop2: detected capacity change from 0 to 11 [ 547.060740][T13756] EXT4-fs (loop3): Can't read superblock on 2nd try [ 547.063635][T13755] EXT4-fs (loop5): Can't read superblock on 2nd try 21:18:26 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x56020000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:18:26 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000010000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 547.079722][T13765] loop0: detected capacity change from 0 to 512 [ 547.086501][T13765] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 547.096305][T13765] EXT4-fs (loop0): group descriptors corrupted! 21:18:26 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000120f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:26 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000005000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 547.145054][T13803] loop4: detected capacity change from 0 to 4 [ 547.166477][T13803] EXT4-fs (loop4): Can't read superblock on 2nd try [ 547.171718][T13811] loop5: detected capacity change from 0 to 4 [ 547.179607][T13812] loop3: detected capacity change from 0 to 4 [ 547.186929][T13811] EXT4-fs (loop5): Can't read superblock on 2nd try 21:18:26 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000301000000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 547.196657][T13812] EXT4-fs (loop3): Can't read superblock on 2nd try [ 547.206743][T13813] loop2: detected capacity change from 0 to 11 [ 547.215910][T13821] loop0: detected capacity change from 0 to 512 [ 547.228601][T13803] loop4: detected capacity change from 0 to 4 [ 547.229016][T13811] loop5: detected capacity change from 0 to 4 [ 547.238731][T13813] loop2: detected capacity change from 0 to 11 21:18:26 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x57020000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 547.242580][T13811] EXT4-fs (loop5): Can't read superblock on 2nd try [ 547.254424][T13812] loop3: detected capacity change from 0 to 4 [ 547.261784][T13812] EXT4-fs (loop3): Can't read superblock on 2nd try [ 547.263828][T13803] EXT4-fs (loop4): Can't read superblock on 2nd try [ 547.275863][T13821] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 547.285611][T13821] EXT4-fs (loop0): group descriptors corrupted! 21:18:26 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000011000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:26 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000001c0f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:26 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000006000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 547.332699][T13821] loop0: detected capacity change from 0 to 512 [ 547.347399][T13821] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 547.357156][T13821] EXT4-fs (loop0): group descriptors corrupted! [ 547.381247][T13851] loop4: detected capacity change from 0 to 4 [ 547.389513][T13851] EXT4-fs (loop4): Can't read superblock on 2nd try [ 547.396409][T13850] loop2: detected capacity change from 0 to 11 [ 547.396785][T13854] loop5: detected capacity change from 0 to 4 [ 547.411383][T13854] EXT4-fs (loop5): Can't read superblock on 2nd try [ 547.417145][T13853] loop3: detected capacity change from 0 to 4 [ 547.425903][T13853] EXT4-fs (loop3): Can't read superblock on 2nd try 21:18:26 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000301100000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:18:26 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000200f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 547.451157][T13854] loop5: detected capacity change from 0 to 4 [ 547.458274][T13851] loop4: detected capacity change from 0 to 4 [ 547.468216][T13850] loop2: detected capacity change from 0 to 11 [ 547.478681][T13854] EXT4-fs (loop5): Can't read superblock on 2nd try [ 547.479205][T13871] loop0: detected capacity change from 0 to 512 [ 547.491427][T13873] loop3: detected capacity change from 0 to 4 [ 547.497684][T13851] EXT4-fs (loop4): Can't read superblock on 2nd try [ 547.497780][T13871] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 547.514051][T13871] EXT4-fs (loop0): group descriptors corrupted! [ 547.514124][T13873] EXT4-fs (loop3): Can't read superblock on 2nd try [ 547.543017][T13871] loop0: detected capacity change from 0 to 512 [ 547.552431][T13871] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 547.562235][T13871] EXT4-fs (loop0): group descriptors corrupted! [ 547.580399][T13873] loop3: detected capacity change from 0 to 4 [ 547.587554][T13873] EXT4-fs (loop3): Can't read superblock on 2nd try 21:18:29 executing program 1: clone(0x100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() wait4(0x0, 0x0, 0x80000002, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x0) tkill(r0, 0x34) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r1, 0x0) ptrace$cont(0x18, r0, 0x0, 0x4) preadv(0xffffffffffffffff, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ptrace$cont(0x18, r0, 0x0, 0x0) 21:18:29 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000007000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:29 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x5c020000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:18:29 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000012000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:29 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000301200000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:18:29 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300010200f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 550.049265][T13898] loop4: detected capacity change from 0 to 4 [ 550.057668][T13899] loop5: detected capacity change from 0 to 4 [ 550.061842][T13903] loop3: detected capacity change from 0 to 4 [ 550.064268][T13901] loop0: detected capacity change from 0 to 512 [ 550.071108][T13902] loop2: detected capacity change from 0 to 11 [ 550.078457][T13898] EXT4-fs (loop4): Can't read superblock on 2nd try [ 550.087594][T13903] EXT4-fs (loop3): Can't read superblock on 2nd try 21:18:29 executing program 1: clone(0x100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() wait4(0x0, 0x0, 0x80000002, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x0) tkill(r0, 0x34) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r1, 0x0) ptrace$cont(0x18, r0, 0x0, 0x4) preadv(r1, 0x0, 0x0, 0xd9f, 0x0) ptrace$cont(0x18, r0, 0x0, 0x0) 21:18:29 executing program 1: clone(0x100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() wait4(0x0, 0x0, 0x80000002, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x0) tkill(r0, 0x34) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r1, 0x0) ptrace$cont(0x18, r0, 0x0, 0x4) preadv(r1, 0x0, 0x0, 0xd9f, 0x0) ptrace$cont(0x18, r0, 0x0, 0x0) [ 550.097966][T13899] EXT4-fs (loop5): Can't read superblock on 2nd try [ 550.105575][T13901] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 550.115393][T13901] EXT4-fs (loop0): group descriptors corrupted! 21:18:29 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000400000000300000030000000cd070000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:29 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000009000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 550.158625][T13903] loop3: detected capacity change from 0 to 4 [ 550.159575][T13902] loop2: detected capacity change from 0 to 11 [ 550.175311][T13901] loop0: detected capacity change from 0 to 512 [ 550.182792][T13903] EXT4-fs (loop3): Can't read superblock on 2nd try [ 550.195405][T13901] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock 21:18:29 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x60000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:18:29 executing program 1: clone(0x100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() wait4(0x0, 0x0, 0x80000002, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x0) tkill(r0, 0x34) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r1, 0x0) ptrace$cont(0x18, r0, 0x0, 0x4) preadv(r1, 0x0, 0x0, 0xd9f, 0x0) ptrace$cont(0x18, r0, 0x0, 0x0) [ 550.198459][T13933] loop4: detected capacity change from 0 to 4 [ 550.205153][T13901] EXT4-fs (loop0): group descriptors corrupted! [ 550.220035][T13933] EXT4-fs (loop4): Can't read superblock on 2nd try [ 550.237831][T13937] loop5: detected capacity change from 0 to 4 [ 550.246910][T13937] EXT4-fs (loop5): Can't read superblock on 2nd try 21:18:29 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000220f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:29 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000302200000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 550.262940][T13933] loop4: detected capacity change from 0 to 4 [ 550.277665][T13933] EXT4-fs (loop4): Can't read superblock on 2nd try [ 550.302766][T13954] loop3: detected capacity change from 0 to 4 [ 550.309501][T13955] loop2: detected capacity change from 0 to 11 [ 550.318192][T13954] EXT4-fs (loop3): Can't read superblock on 2nd try [ 550.320915][T13956] loop0: detected capacity change from 0 to 512 [ 550.334072][T13955] FAT-fs (loop2): bogus number of reserved sectors [ 550.340604][T13955] FAT-fs (loop2): Can't find a valid FAT filesystem [ 550.346472][T13956] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 550.356906][T13956] EXT4-fs (loop0): group descriptors corrupted! 21:18:29 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:29 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000250f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 550.373679][T13937] loop5: detected capacity change from 0 to 4 [ 550.382850][T13955] loop2: detected capacity change from 0 to 11 [ 550.395395][T13937] EXT4-fs (loop5): Can't read superblock on 2nd try [ 550.401810][T13971] loop4: detected capacity change from 0 to 4 [ 550.408126][T13955] FAT-fs (loop2): bogus number of reserved sectors [ 550.414694][T13955] FAT-fs (loop2): Can't find a valid FAT filesystem [ 550.427395][T13956] loop0: detected capacity change from 0 to 512 [ 550.434624][T13976] loop3: detected capacity change from 0 to 4 [ 550.442961][T13956] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 550.452880][T13956] EXT4-fs (loop0): group descriptors corrupted! [ 550.460651][T13976] EXT4-fs (loop3): Can't read superblock on 2nd try 21:18:29 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000a000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:29 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000302500000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 550.474410][T13971] EXT4-fs (loop4): fragment/cluster size (4096) != block size (2048) [ 550.497252][T13985] loop5: detected capacity change from 0 to 4 [ 550.510248][T13971] loop4: detected capacity change from 0 to 4 21:18:29 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x68000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 550.523159][T13985] EXT4-fs (loop5): Can't read superblock on 2nd try [ 550.534717][T13976] loop3: detected capacity change from 0 to 4 [ 550.541612][T13971] EXT4-fs (loop4): fragment/cluster size (4096) != block size (2048) [ 550.542647][T13994] loop0: detected capacity change from 0 to 512 [ 550.557028][T13976] EXT4-fs (loop3): Can't read superblock on 2nd try 21:18:29 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f020000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:29 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000002e0f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 550.573134][T14000] loop2: detected capacity change from 0 to 11 [ 550.573960][T13994] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 550.589067][T13994] EXT4-fs (loop0): group descriptors corrupted! [ 550.593839][T14000] FAT-fs (loop2): bogus number of reserved sectors [ 550.601817][T14000] FAT-fs (loop2): Can't find a valid FAT filesystem [ 550.605104][T13985] loop5: detected capacity change from 0 to 4 [ 550.632279][T14000] loop2: detected capacity change from 0 to 11 [ 550.637897][T14009] loop3: detected capacity change from 0 to 4 [ 550.641469][T14000] FAT-fs (loop2): bogus number of reserved sectors [ 550.651048][T14000] FAT-fs (loop2): Can't find a valid FAT filesystem [ 550.653143][T13985] EXT4-fs (loop5): Can't read superblock on 2nd try [ 550.671566][T13994] loop0: detected capacity change from 0 to 512 21:18:29 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x6c000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:18:29 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000b000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 550.673632][T14017] loop4: detected capacity change from 0 to 4 [ 550.683927][T14009] EXT4-fs (loop3): Can't read superblock on 2nd try [ 550.699505][T14017] EXT4-fs (loop4): Can't read superblock on 2nd try [ 550.702030][T13994] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 550.715842][T13994] EXT4-fs (loop0): group descriptors corrupted! [ 550.717150][T14022] loop5: detected capacity change from 0 to 4 [ 550.730406][T14022] EXT4-fs (loop5): Can't read superblock on 2nd try [ 550.738929][T14017] loop4: detected capacity change from 0 to 4 [ 550.747100][T14009] loop3: detected capacity change from 0 to 4 [ 550.753210][T14017] EXT4-fs (loop4): Can't read superblock on 2nd try [ 550.760615][T14022] loop5: detected capacity change from 0 to 4 [ 550.769991][T14009] EXT4-fs (loop3): Can't read superblock on 2nd try [ 550.770236][T14022] EXT4-fs (loop5): Can't read superblock on 2nd try [ 550.789369][T14036] loop2: detected capacity change from 0 to 11 [ 550.797920][T14036] FAT-fs (loop2): bogus number of reserved sectors [ 550.804431][T14036] FAT-fs (loop2): Can't find a valid FAT filesystem [ 550.844313][T14036] loop2: detected capacity change from 0 to 11 21:18:32 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f030000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:32 executing program 1: clone(0x100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() wait4(0x0, 0x0, 0x80000002, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x0) tkill(r0, 0x34) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r1, 0x0) ptrace$cont(0x18, r0, 0x0, 0x4) preadv(r1, &(0x7f0000000280), 0x18, 0x0, 0x0) ptrace$cont(0x18, r0, 0x0, 0x0) 21:18:32 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000302e00000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:18:32 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000003f0f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:32 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000c000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:32 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x74000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 553.262313][T14058] loop3: detected capacity change from 0 to 4 [ 553.278809][T14062] loop0: detected capacity change from 0 to 512 [ 553.285307][T14058] EXT4-fs (loop3): Can't read superblock on 2nd try [ 553.286011][T14064] loop4: detected capacity change from 0 to 4 [ 553.294545][T14067] loop5: detected capacity change from 0 to 4 [ 553.298764][T14066] loop2: detected capacity change from 0 to 11 [ 553.311193][T14067] EXT4-fs (loop5): Can't read superblock on 2nd try [ 553.322153][T14062] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 553.331892][T14062] EXT4-fs (loop0): group descriptors corrupted! [ 553.338488][T14066] FAT-fs (loop2): bogus number of reserved sectors [ 553.344986][T14066] FAT-fs (loop2): Can't find a valid FAT filesystem [ 553.352165][T14064] EXT4-fs (loop4): Can't read superblock on 2nd try [ 553.368722][T14067] loop5: detected capacity change from 0 to 4 [ 553.374197][T14062] loop0: detected capacity change from 0 to 512 [ 553.376529][T14058] loop3: detected capacity change from 0 to 4 [ 553.388228][T14058] EXT4-fs (loop3): Can't read superblock on 2nd try [ 553.390594][T14066] loop2: detected capacity change from 0 to 11 [ 553.401844][T14067] EXT4-fs (loop5): Can't read superblock on 2nd try [ 553.404751][T14062] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock 21:18:32 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000d000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:32 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000400f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:32 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x7a000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 553.409034][T14064] loop4: detected capacity change from 0 to 4 [ 553.418184][T14062] EXT4-fs (loop0): group descriptors corrupted! [ 553.443278][T14064] EXT4-fs (loop4): Can't read superblock on 2nd try 21:18:32 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000304800000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:18:32 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f040000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 553.474820][T14101] loop3: detected capacity change from 0 to 4 [ 553.482263][T14101] EXT4-fs (loop3): Can't read superblock on 2nd try [ 553.485439][T14104] loop0: detected capacity change from 0 to 512 [ 553.505013][T14108] loop5: detected capacity change from 0 to 4 [ 553.512146][T14104] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 553.519896][T14114] loop4: detected capacity change from 0 to 4 [ 553.521892][T14104] EXT4-fs (loop0): group descriptors corrupted! [ 553.528173][T14108] EXT4-fs (loop5): Can't read superblock on 2nd try [ 553.535326][T14114] EXT4-fs (loop4): Can't read superblock on 2nd try [ 553.548076][T14101] loop3: detected capacity change from 0 to 4 [ 553.553609][T14120] loop2: detected capacity change from 0 to 11 [ 553.561399][T14101] EXT4-fs (loop3): Can't read superblock on 2nd try [ 553.568210][T14120] FAT-fs (loop2): bogus number of reserved sectors [ 553.573934][T14104] loop0: detected capacity change from 0 to 512 [ 553.574709][T14120] FAT-fs (loop2): Can't find a valid FAT filesystem [ 553.588225][T14104] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 553.598068][T14104] EXT4-fs (loop0): group descriptors corrupted! [ 553.615295][T14114] loop4: detected capacity change from 0 to 4 21:18:32 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000480f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:32 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000304c00000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 553.618641][T14108] loop5: detected capacity change from 0 to 4 [ 553.631691][T14120] loop2: detected capacity change from 0 to 11 [ 553.644084][T14108] EXT4-fs (loop5): Can't read superblock on 2nd try [ 553.647063][T14114] EXT4-fs (loop4): Can't read superblock on 2nd try [ 553.657575][T14120] FAT-fs (loop2): bogus number of reserved sectors [ 553.664094][T14120] FAT-fs (loop2): Can't find a valid FAT filesystem [ 553.676887][T14140] loop3: detected capacity change from 0 to 4 [ 553.681172][T14144] loop0: detected capacity change from 0 to 512 [ 553.695463][T14144] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 553.705215][T14144] EXT4-fs (loop0): group descriptors corrupted! [ 553.732624][T14140] EXT4-fs (loop3): Can't read superblock on 2nd try [ 553.787714][T14144] loop0: detected capacity change from 0 to 512 [ 553.796717][T14144] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 553.806475][T14144] EXT4-fs (loop0): group descriptors corrupted! 21:18:35 executing program 1: clone(0x100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() wait4(0x0, 0x0, 0x80000002, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x0) tkill(r0, 0x34) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r1, 0x0) ptrace$cont(0x18, r0, 0x0, 0x4) preadv(r1, &(0x7f0000000280), 0x18, 0x0, 0x0) ptrace$cont(0x18, r0, 0x0, 0x0) 21:18:35 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x85ffffff, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:18:35 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f050000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:35 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000e000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:35 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000004c0f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:35 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000306000000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:18:35 executing program 1: clone(0x100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() wait4(0x0, 0x0, 0x80000002, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x0) tkill(r0, 0x34) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r1, 0x0) ptrace$cont(0x18, r0, 0x0, 0x4) preadv(r1, &(0x7f0000000280), 0x18, 0x0, 0x0) ptrace$cont(0x18, r0, 0x0, 0x0) [ 556.311415][T14163] loop5: detected capacity change from 0 to 4 [ 556.313355][T14166] loop3: detected capacity change from 0 to 4 [ 556.324298][T14169] loop4: detected capacity change from 0 to 4 [ 556.331591][T14170] loop0: detected capacity change from 0 to 512 [ 556.342602][T14163] EXT4-fs (loop5): Can't read superblock on 2nd try [ 556.354409][T14173] loop2: detected capacity change from 0 to 11 [ 556.362821][T14169] EXT4-fs (loop4): Can't read superblock on 2nd try [ 556.373368][T14170] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 556.383150][T14170] EXT4-fs (loop0): group descriptors corrupted! [ 556.390682][T14166] EXT4-fs (loop3): Can't read superblock on 2nd try [ 556.397886][T14163] loop5: detected capacity change from 0 to 4 [ 556.404734][T14163] EXT4-fs (loop5): Can't read superblock on 2nd try [ 556.416077][T14173] loop2: detected capacity change from 0 to 11 [ 556.426006][T14170] loop0: detected capacity change from 0 to 512 [ 556.433098][T14170] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 556.442853][T14170] EXT4-fs (loop0): group descriptors corrupted! [ 556.451590][T14166] loop3: detected capacity change from 0 to 4 [ 556.451607][T14169] loop4: detected capacity change from 0 to 4 21:18:35 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000306800000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:18:35 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000020f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:35 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x86030000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:18:35 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000600f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 556.465823][T14169] EXT4-fs (loop4): Can't read superblock on 2nd try [ 556.465831][T14166] EXT4-fs (loop3): Can't read superblock on 2nd try [ 556.525414][T14215] loop0: detected capacity change from 0 to 512 [ 556.533172][T14220] loop3: detected capacity change from 0 to 4 [ 556.534260][T14218] loop5: detected capacity change from 0 to 4 [ 556.539425][T14219] loop2: detected capacity change from 0 to 11 [ 556.556290][T14218] EXT4-fs (loop5): Can't read superblock on 2nd try [ 556.559471][T14215] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock 21:18:35 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f060000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 556.572960][T14215] EXT4-fs (loop0): group descriptors corrupted! [ 556.577920][T14220] EXT4-fs (loop3): Can't read superblock on 2nd try [ 556.588104][T14218] loop5: detected capacity change from 0 to 4 [ 556.594813][T14219] loop2: detected capacity change from 0 to 11 [ 556.604083][T14218] EXT4-fs (loop5): Can't read superblock on 2nd try [ 556.610261][T14233] loop4: detected capacity change from 0 to 4 21:18:35 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x8cffffff, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 556.620234][T14220] loop3: detected capacity change from 0 to 4 [ 556.626465][T14233] EXT4-fs (loop4): Can't read superblock on 2nd try [ 556.627258][T14220] EXT4-fs (loop3): Can't read superblock on 2nd try [ 556.644449][T14215] loop0: detected capacity change from 0 to 512 [ 556.656435][T14233] loop4: detected capacity change from 0 to 4 21:18:35 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000030f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:35 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000680f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 556.668596][T14215] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 556.678341][T14215] EXT4-fs (loop0): group descriptors corrupted! [ 556.681359][T14247] loop2: detected capacity change from 0 to 11 [ 556.697432][T14233] EXT4-fs (loop4): Can't read superblock on 2nd try [ 556.707800][T14252] loop5: detected capacity change from 0 to 4 [ 556.713737][T14255] loop3: detected capacity change from 0 to 4 21:18:36 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f070000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 556.720411][T14252] EXT4-fs (loop5): Can't read superblock on 2nd try [ 556.722235][T14255] EXT4-fs (loop3): Can't read superblock on 2nd try [ 556.761752][T14247] loop2: detected capacity change from 0 to 11 21:18:36 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000306c00000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:18:36 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0xa3010000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 556.785274][T14255] loop3: detected capacity change from 0 to 4 [ 556.792895][T14268] loop4: detected capacity change from 0 to 4 [ 556.808484][T14252] loop5: detected capacity change from 0 to 4 [ 556.814700][T14255] EXT4-fs (loop3): Can't read superblock on 2nd try [ 556.823082][T14268] EXT4-fs (loop4): Can't read superblock on 2nd try [ 556.828904][T14274] loop0: detected capacity change from 0 to 512 [ 556.836500][T14252] EXT4-fs (loop5): Can't read superblock on 2nd try [ 556.859875][T14268] loop4: detected capacity change from 0 to 4 [ 556.866342][T14268] EXT4-fs (loop4): Can't read superblock on 2nd try [ 556.884389][T14274] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 556.894133][T14274] EXT4-fs (loop0): group descriptors corrupted! [ 556.906143][T14284] loop2: detected capacity change from 0 to 11 [ 556.956941][T14274] loop0: detected capacity change from 0 to 512 [ 556.970244][T14274] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 556.979988][T14274] EXT4-fs (loop0): group descriptors corrupted! 21:18:38 executing program 1: clone(0x100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() wait4(0x0, 0x0, 0x80000002, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x0) tkill(r0, 0x34) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r1, 0x0) ptrace$cont(0x18, r0, 0x0, 0x4) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ptrace$cont(0xffffffffffffffff, r0, 0x0, 0x0) 21:18:38 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000006c0f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:38 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000040f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:38 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f080000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:38 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0xa8010000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:18:38 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000307400000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 559.392259][T14305] loop4: detected capacity change from 0 to 4 [ 559.398605][T14306] loop3: detected capacity change from 0 to 4 [ 559.405047][T14308] loop5: detected capacity change from 0 to 4 [ 559.408948][T14309] loop0: detected capacity change from 0 to 512 [ 559.417119][T14305] EXT4-fs (loop4): Can't read superblock on 2nd try [ 559.424225][T14310] loop2: detected capacity change from 0 to 11 [ 559.431508][T14306] EXT4-fs (loop3): Can't read superblock on 2nd try [ 559.439458][T14308] EXT4-fs (loop5): Can't read superblock on 2nd try [ 559.450382][T14309] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 559.460163][T14309] EXT4-fs (loop0): group descriptors corrupted! [ 559.481589][T14310] loop2: detected capacity change from 0 to 11 [ 559.481965][T14305] loop4: detected capacity change from 0 to 4 [ 559.487937][T14306] loop3: detected capacity change from 0 to 4 [ 559.494428][T14305] EXT4-fs (loop4): Can't read superblock on 2nd try [ 559.502096][T14308] loop5: detected capacity change from 0 to 4 [ 559.514830][T14306] EXT4-fs (loop3): Can't read superblock on 2nd try [ 559.515248][T14309] loop0: detected capacity change from 0 to 512 [ 559.522144][T14308] EXT4-fs (loop5): Can't read superblock on 2nd try 21:18:38 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0xa9010000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:18:38 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300002700f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:38 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f090000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 559.536482][T14309] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 559.546279][T14309] EXT4-fs (loop0): group descriptors corrupted! [ 559.570978][T14340] loop2: detected capacity change from 0 to 11 21:18:38 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000050f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:38 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000307a00000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 559.588697][T14344] loop4: detected capacity change from 0 to 4 [ 559.596350][T14344] EXT4-fs (loop4): Can't read superblock on 2nd try [ 559.605044][T14340] loop2: detected capacity change from 0 to 11 [ 559.622545][T14355] loop3: detected capacity change from 0 to 4 21:18:38 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0xae260000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 559.643203][T14361] loop5: detected capacity change from 0 to 4 [ 559.649595][T14363] loop0: detected capacity change from 0 to 512 [ 559.649656][T14355] EXT4-fs (loop3): Can't read superblock on 2nd try [ 559.663076][T14344] loop4: detected capacity change from 0 to 4 [ 559.670008][T14344] EXT4-fs (loop4): Can't read superblock on 2nd try [ 559.670236][T14361] EXT4-fs (loop5): Can't read superblock on 2nd try [ 559.683868][T14363] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 559.693610][T14363] EXT4-fs (loop0): group descriptors corrupted! [ 559.695368][T14371] loop2: detected capacity change from 0 to 11 [ 559.731796][T14355] loop3: detected capacity change from 0 to 4 [ 559.731899][T14361] loop5: detected capacity change from 0 to 4 [ 559.745780][T14363] loop0: detected capacity change from 0 to 512 [ 559.750194][T14371] loop2: detected capacity change from 0 to 11 [ 559.758756][T14355] EXT4-fs (loop3): Can't read superblock on 2nd try [ 559.758884][T14363] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 559.775105][T14363] EXT4-fs (loop0): group descriptors corrupted! [ 559.782748][T14361] EXT4-fs (loop5): Can't read superblock on 2nd try 21:18:41 executing program 1: clone(0x100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() wait4(0x0, 0x0, 0x80000002, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x0) tkill(r0, 0x34) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r1, 0x0) ptrace$cont(0x18, r0, 0x0, 0x4) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ptrace$cont(0xffffffffffffffff, r0, 0x0, 0x0) 21:18:41 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f0a0000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:41 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300002710f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:41 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0xb9260000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:18:41 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000060f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:41 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000400000000300000030fe00000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 562.418893][T14404] loop3: detected capacity change from 0 to 4 [ 562.421896][T14406] loop0: detected capacity change from 0 to 512 [ 562.425380][T14405] loop2: detected capacity change from 0 to 11 [ 562.434978][T14407] loop5: detected capacity change from 0 to 4 [ 562.439769][T14408] loop4: detected capacity change from 0 to 4 [ 562.446746][T14407] EXT4-fs (loop5): Can't read superblock on 2nd try [ 562.458074][T14404] EXT4-fs (loop3): Can't read superblock on 2nd try 21:18:41 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000070f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:41 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000308e01000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 562.460726][T14406] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 562.474396][T14406] EXT4-fs (loop0): group descriptors corrupted! [ 562.487259][T14408] EXT4-fs (loop4): Can't read superblock on 2nd try 21:18:41 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f0b0000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:41 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300002720f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 562.539699][T14432] loop0: detected capacity change from 0 to 512 [ 562.546178][T14433] loop5: detected capacity change from 0 to 4 [ 562.556850][T14432] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 562.557858][T14405] loop2: detected capacity change from 0 to 11 [ 562.566609][T14432] EXT4-fs (loop0): group descriptors corrupted! [ 562.582849][T14433] EXT4-fs (loop5): Can't read superblock on 2nd try 21:18:41 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0xc0ed0000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 562.594416][T14442] loop4: detected capacity change from 0 to 4 [ 562.602705][T14442] EXT4-fs (loop4): Can't read superblock on 2nd try [ 562.604057][T14444] loop3: detected capacity change from 0 to 4 [ 562.616944][T14444] EXT4-fs (loop3): Can't read superblock on 2nd try [ 562.637001][T14433] loop5: detected capacity change from 0 to 4 [ 562.637276][T14442] loop4: detected capacity change from 0 to 4 [ 562.646219][T14432] loop0: detected capacity change from 0 to 512 [ 562.655601][T14433] EXT4-fs (loop5): Can't read superblock on 2nd try [ 562.658125][T14444] loop3: detected capacity change from 0 to 4 [ 562.668415][T14442] EXT4-fs (loop4): Can't read superblock on 2nd try [ 562.675117][T14432] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 562.684906][T14432] EXT4-fs (loop0): group descriptors corrupted! 21:18:41 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000080f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 562.684877][T14444] EXT4-fs (loop3): Can't read superblock on 2nd try [ 562.716244][T14458] loop5: detected capacity change from 0 to 4 [ 562.724413][T14458] EXT4-fs (loop5): Can't read superblock on 2nd try [ 562.727559][T14462] loop2: detected capacity change from 0 to 11 [ 562.750158][T14462] FAT-fs (loop2): bogus number of reserved sectors [ 562.756679][T14462] FAT-fs (loop2): Can't find a valid FAT filesystem [ 562.766893][T14458] loop5: detected capacity change from 0 to 4 [ 562.775991][T14458] EXT4-fs (loop5): Can't read superblock on 2nd try [ 562.791909][T14462] loop2: detected capacity change from 0 to 11 [ 562.800056][T14462] FAT-fs (loop2): bogus number of reserved sectors [ 562.806579][T14462] FAT-fs (loop2): Can't find a valid FAT filesystem 21:18:44 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f0c0000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:44 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0xd7030000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:18:44 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000308f01000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:18:44 executing program 1: clone(0x100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() wait4(0x0, 0x0, 0x80000002, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x0) tkill(r0, 0x34) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r1, 0x0) ptrace$cont(0x18, r0, 0x0, 0x4) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ptrace$cont(0xffffffffffffffff, r0, 0x0, 0x0) 21:18:44 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000740f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:44 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000090f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 565.448893][T14489] loop4: detected capacity change from 0 to 4 [ 565.450205][T14492] loop5: detected capacity change from 0 to 4 [ 565.455197][T14491] loop0: detected capacity change from 0 to 512 [ 565.467663][T14494] loop3: detected capacity change from 0 to 4 [ 565.474189][T14495] loop2: detected capacity change from 0 to 11 [ 565.484357][T14489] EXT4-fs (loop4): Can't read superblock on 2nd try [ 565.485416][T14492] EXT4-fs (loop5): Can't read superblock on 2nd try [ 565.491721][T14494] EXT4-fs (loop3): Can't read superblock on 2nd try [ 565.514495][T14491] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 565.524358][T14491] EXT4-fs (loop0): group descriptors corrupted! [ 565.548046][T14495] loop2: detected capacity change from 0 to 11 [ 565.549881][T14494] loop3: detected capacity change from 0 to 4 [ 565.561943][T14489] loop4: detected capacity change from 0 to 4 [ 565.564775][T14494] EXT4-fs (loop3): Can't read superblock on 2nd try [ 565.571379][T14491] loop0: detected capacity change from 0 to 512 [ 565.574785][T14492] loop5: detected capacity change from 0 to 4 [ 565.586205][T14489] EXT4-fs (loop4): Can't read superblock on 2nd try 21:18:44 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0xdaffffff, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:18:44 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f0d0000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 565.587609][T14492] EXT4-fs (loop5): Can't read superblock on 2nd try [ 565.593934][T14491] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 565.609883][T14491] EXT4-fs (loop0): group descriptors corrupted! 21:18:44 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000a0f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:44 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000007a0f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 565.656005][T14527] loop2: detected capacity change from 0 to 11 [ 565.667894][T14530] loop4: detected capacity change from 0 to 4 [ 565.688337][T14537] loop3: detected capacity change from 0 to 4 [ 565.694487][T14530] EXT4-fs (loop4): Can't read superblock on 2nd try 21:18:44 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000309201000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 565.696333][T14538] loop5: detected capacity change from 0 to 4 [ 565.709486][T14537] EXT4-fs (loop3): Can't read superblock on 2nd try [ 565.713649][T14538] EXT4-fs (loop5): Can't read superblock on 2nd try [ 565.725544][T14527] loop2: detected capacity change from 0 to 11 [ 565.729790][T14545] loop0: detected capacity change from 0 to 512 [ 565.738847][T14530] loop4: detected capacity change from 0 to 4 [ 565.741394][T14545] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock 21:18:45 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0xf6ffffff, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 565.754653][T14545] EXT4-fs (loop0): group descriptors corrupted! [ 565.755428][T14530] EXT4-fs (loop4): Can't read superblock on 2nd try [ 565.780900][T14538] loop5: detected capacity change from 0 to 4 [ 565.787241][T14537] loop3: detected capacity change from 0 to 4 [ 565.790511][T14557] loop2: detected capacity change from 0 to 11 [ 565.799772][T14537] EXT4-fs (loop3): Can't read superblock on 2nd try 21:18:45 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f0e0000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 565.802488][T14545] loop0: detected capacity change from 0 to 512 [ 565.812656][T14538] EXT4-fs (loop5): Can't read superblock on 2nd try [ 565.819581][T14545] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 565.829339][T14545] EXT4-fs (loop0): group descriptors corrupted! [ 565.862032][T14557] loop2: detected capacity change from 0 to 11 [ 565.905831][T14575] loop4: detected capacity change from 0 to 4 [ 565.917500][T14575] EXT4-fs (loop4): Can't read superblock on 2nd try 21:18:47 executing program 1: clone(0x100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() wait4(0x0, 0x0, 0x80000002, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x0) tkill(r0, 0x34) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r1, 0x0) ptrace$cont(0x18, r0, 0x0, 0x4) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ptrace$cont(0x18, 0x0, 0x0, 0x0) 21:18:47 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000b0f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:47 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000018d0f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:47 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000400000000300000030f801000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:18:47 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0xf9fdffff, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:18:47 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f0f0000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 568.464826][T14589] loop4: detected capacity change from 0 to 4 [ 568.467047][T14593] loop0: detected capacity change from 0 to 512 [ 568.473389][T14587] loop5: detected capacity change from 0 to 4 [ 568.477693][T14595] loop3: detected capacity change from 0 to 4 [ 568.489675][T14592] loop2: detected capacity change from 0 to 11 [ 568.496336][T14587] EXT4-fs (loop5): Can't read superblock on 2nd try [ 568.500747][T14593] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 568.512648][T14593] EXT4-fs (loop0): group descriptors corrupted! [ 568.513222][T14589] EXT4-fs (loop4): Can't read superblock on 2nd try [ 568.530308][T14595] EXT4-fs (loop3): Can't read superblock on 2nd try [ 568.547092][T14592] loop2: detected capacity change from 0 to 11 [ 568.557704][T14593] loop0: detected capacity change from 0 to 512 21:18:47 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0xfdfdffff, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 568.567703][T14587] loop5: detected capacity change from 0 to 4 [ 568.570521][T14589] loop4: detected capacity change from 0 to 4 [ 568.574875][T14593] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 568.589629][T14593] EXT4-fs (loop0): group descriptors corrupted! [ 568.596819][T14587] EXT4-fs (loop5): Can't read superblock on 2nd try [ 568.600420][T14589] EXT4-fs (loop4): Can't read superblock on 2nd try [ 568.603871][T14595] loop3: detected capacity change from 0 to 4 21:18:47 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f100000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:47 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000c0f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:47 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000018e0f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:47 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300402000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 568.618157][T14595] EXT4-fs (loop3): Can't read superblock on 2nd try [ 568.641998][T14626] loop2: detected capacity change from 0 to 11 [ 568.701487][T14636] loop3: detected capacity change from 0 to 4 [ 568.708729][T14626] loop2: detected capacity change from 0 to 11 [ 568.720255][T14636] EXT4-fs (loop3): Can't read superblock on 2nd try [ 568.721820][T14642] loop4: detected capacity change from 0 to 4 [ 568.727460][T14644] loop5: detected capacity change from 0 to 4 [ 568.734212][T14647] loop0: detected capacity change from 0 to 512 [ 568.741903][T14644] EXT4-fs (loop5): Can't read superblock on 2nd try 21:18:48 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0xfeffffff, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 568.773731][T14642] EXT4-fs (loop4): Can't read superblock on 2nd try [ 568.774025][T14655] loop2: detected capacity change from 0 to 11 [ 568.782782][T14647] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 568.791595][T14636] loop3: detected capacity change from 0 to 4 [ 568.796278][T14647] EXT4-fs (loop0): group descriptors corrupted! [ 568.810065][T14644] loop5: detected capacity change from 0 to 4 [ 568.817360][T14655] loop2: detected capacity change from 0 to 11 [ 568.823710][T14647] loop0: detected capacity change from 0 to 512 [ 568.823971][T14636] EXT4-fs (loop3): Can't read superblock on 2nd try [ 568.830806][T14644] EXT4-fs (loop5): Can't read superblock on 2nd try [ 568.843332][T14642] loop4: detected capacity change from 0 to 4 [ 568.850426][T14647] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 568.860177][T14647] EXT4-fs (loop0): group descriptors corrupted! [ 568.868547][T14642] EXT4-fs (loop4): Can't read superblock on 2nd try 21:18:50 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0xff0f0000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:18:50 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f110000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:50 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000018f0f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:50 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000306d02000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:18:50 executing program 1: clone(0x100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() wait4(0x0, 0x0, 0x80000002, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x0) tkill(r0, 0x34) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r1, 0x0) ptrace$cont(0x18, r0, 0x0, 0x4) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ptrace$cont(0x18, 0x0, 0x0, 0x0) 21:18:50 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000d0f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 571.488916][T14690] loop3: detected capacity change from 0 to 4 [ 571.495266][T14692] loop4: detected capacity change from 0 to 4 [ 571.502248][T14694] loop5: detected capacity change from 0 to 4 [ 571.503209][T14689] loop0: detected capacity change from 0 to 512 [ 571.514903][T14690] EXT4-fs (loop3): Can't read superblock on 2nd try [ 571.521993][T14692] EXT4-fs (loop4): Can't read superblock on 2nd try [ 571.528918][T14694] EXT4-fs (loop5): Can't read superblock on 2nd try [ 571.537741][T14689] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 571.546489][T14695] loop2: detected capacity change from 0 to 11 [ 571.547479][T14689] EXT4-fs (loop0): group descriptors corrupted! [ 571.565867][T14694] loop5: detected capacity change from 0 to 4 [ 571.571156][T14695] loop2: detected capacity change from 0 to 11 [ 571.572081][T14690] loop3: detected capacity change from 0 to 4 21:18:50 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f120000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 571.585075][T14692] loop4: detected capacity change from 0 to 4 [ 571.587071][T14689] loop0: detected capacity change from 0 to 512 [ 571.597546][T14692] EXT4-fs (loop4): Can't read superblock on 2nd try [ 571.605286][T14689] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 571.606061][T14694] EXT4-fs (loop5): Can't read superblock on 2nd try [ 571.615004][T14689] EXT4-fs (loop0): group descriptors corrupted! [ 571.617706][T14690] EXT4-fs (loop3): Can't read superblock on 2nd try 21:18:50 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000e0f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:50 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000307002000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 571.653727][T14724] loop4: detected capacity change from 0 to 4 [ 571.681666][T14731] loop5: detected capacity change from 0 to 4 21:18:50 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0xfffdffff, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:18:50 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000fffe0f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 571.698256][T14724] EXT4-fs (loop4): Can't read superblock on 2nd try [ 571.699536][T14731] EXT4-fs (loop5): Can't read superblock on 2nd try [ 571.724803][T14739] loop0: detected capacity change from 0 to 512 [ 571.733185][T14739] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 571.742975][T14739] EXT4-fs (loop0): group descriptors corrupted! 21:18:51 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000f0f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:51 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f1c0000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 571.752032][T14742] loop3: detected capacity change from 0 to 4 [ 571.753102][T14741] loop2: detected capacity change from 0 to 11 [ 571.768287][T14724] loop4: detected capacity change from 0 to 4 [ 571.778789][T14742] EXT4-fs (loop3): Can't read superblock on 2nd try [ 571.784981][T14724] EXT4-fs (loop4): Can't read superblock on 2nd try [ 571.815449][T14748] loop5: detected capacity change from 0 to 4 [ 571.822987][T14748] EXT4-fs (loop5): Can't read superblock on 2nd try [ 571.834785][T14739] loop0: detected capacity change from 0 to 512 [ 571.838436][T14741] loop2: detected capacity change from 0 to 11 [ 571.842547][T14739] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 571.847747][T14742] loop3: detected capacity change from 0 to 4 [ 571.856927][T14739] EXT4-fs (loop0): group descriptors corrupted! [ 571.874612][T14748] loop5: detected capacity change from 0 to 4 [ 571.882068][T14763] loop4: detected capacity change from 0 to 4 [ 571.882985][T14742] EXT4-fs (loop3): Can't read superblock on 2nd try [ 571.891778][T14763] EXT4-fs (loop4): Can't read superblock on 2nd try [ 571.901921][T14748] EXT4-fs (loop5): Can't read superblock on 2nd try 21:18:53 executing program 1: clone(0x100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() wait4(0x0, 0x0, 0x80000002, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x0) tkill(r0, 0x34) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r1, 0x0) ptrace$cont(0x18, r0, 0x0, 0x4) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ptrace$cont(0x18, 0x0, 0x0, 0x0) 21:18:53 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000307102000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:18:53 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0xfffffdf9, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:18:53 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f220000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:53 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000400000000300000030000fff0f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:53 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000100f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 574.540953][T14788] loop3: detected capacity change from 0 to 4 [ 574.547405][T14789] loop4: detected capacity change from 0 to 4 [ 574.557476][T14788] EXT4-fs (loop3): Can't read superblock on 2nd try [ 574.564733][T14789] EXT4-fs (loop4): Can't read superblock on 2nd try [ 574.572428][T14794] loop2: detected capacity change from 0 to 11 [ 574.578521][T14797] loop0: detected capacity change from 0 to 512 [ 574.579475][T14796] loop5: detected capacity change from 0 to 4 21:18:53 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0xfffffdfd, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 574.591910][T14797] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 574.601651][T14797] EXT4-fs (loop0): group descriptors corrupted! [ 574.608722][T14796] EXT4-fs (loop5): Can't read superblock on 2nd try [ 574.626241][T14789] loop4: detected capacity change from 0 to 4 [ 574.632497][T14788] loop3: detected capacity change from 0 to 4 [ 574.640609][T14789] EXT4-fs (loop4): Can't read superblock on 2nd try [ 574.650138][T14797] loop0: detected capacity change from 0 to 512 [ 574.657679][T14797] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 574.667513][T14797] EXT4-fs (loop0): group descriptors corrupted! [ 574.677624][T14796] loop5: detected capacity change from 0 to 4 [ 574.677656][T14788] EXT4-fs (loop3): Can't read superblock on 2nd try 21:18:53 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f250000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:53 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0xfffffdff, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 574.691473][T14796] EXT4-fs (loop5): Can't read superblock on 2nd try [ 574.696106][T14814] loop2: detected capacity change from 0 to 11 [ 574.728973][T14828] loop4: detected capacity change from 0 to 4 21:18:54 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300003000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:18:54 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000110f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:54 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000feff0f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 574.754169][T14828] EXT4-fs (loop4): Can't read superblock on 2nd try [ 574.794470][T14840] loop2: detected capacity change from 0 to 11 [ 574.800766][T14842] loop0: detected capacity change from 0 to 512 [ 574.804039][T14843] loop3: detected capacity change from 0 to 4 [ 574.807339][T14844] loop5: detected capacity change from 0 to 4 [ 574.821568][T14828] loop4: detected capacity change from 0 to 4 [ 574.828837][T14842] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 574.838760][T14842] EXT4-fs (loop0): group descriptors corrupted! [ 574.839342][T14843] EXT4-fs (loop3): Can't read superblock on 2nd try [ 574.851358][T14844] EXT4-fs (loop5): Can't read superblock on 2nd try [ 574.858495][T14828] EXT4-fs (loop4): Can't read superblock on 2nd try [ 574.876274][T14840] loop2: detected capacity change from 0 to 11 [ 574.883175][T14842] loop0: detected capacity change from 0 to 512 [ 574.886666][T14844] loop5: detected capacity change from 0 to 4 [ 574.898289][T14843] loop3: detected capacity change from 0 to 4 [ 574.911781][T14842] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 574.921551][T14842] EXT4-fs (loop0): group descriptors corrupted! [ 574.930836][T14843] EXT4-fs (loop3): Can't read superblock on 2nd try [ 574.930850][T14844] EXT4-fs (loop5): Can't read superblock on 2nd try 21:18:56 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0xffffff7f, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:18:56 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f2e0000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:56 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000120f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:56 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000003000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:56 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300204000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:18:56 executing program 1: r0 = epoll_create1(0x0) r1 = socket$inet6_udplite(0xa, 0x2, 0x88) epoll_ctl$EPOLL_CTL_ADD(r0, 0x1, r1, &(0x7f0000000000)) [ 577.593134][T14880] loop2: detected capacity change from 0 to 11 [ 577.599581][T14882] loop3: detected capacity change from 0 to 4 [ 577.601906][T14881] loop4: detected capacity change from 0 to 4 [ 577.605867][T14885] loop5: detected capacity change from 0 to 4 [ 577.614846][T14887] loop0: detected capacity change from 0 to 512 [ 577.625914][T14882] EXT4-fs (loop3): Can't read superblock on 2nd try [ 577.636582][T14881] EXT4-fs (loop4): Can't read superblock on 2nd try 21:18:56 executing program 1: r0 = syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000800000000001000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f0000010100)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000010400)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f00000001c0)=ANY=[]) ioctl$FS_IOC_SETVERSION(r0, 0x6609, 0x0) [ 577.644509][T14887] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 577.654311][T14887] EXT4-fs (loop0): group descriptors corrupted! [ 577.659696][T14885] EXT4-fs (loop5): Can't read superblock on 2nd try [ 577.668788][T14880] loop2: detected capacity change from 0 to 11 [ 577.685605][T14882] loop3: detected capacity change from 0 to 4 [ 577.688472][T14904] loop1: detected capacity change from 0 to 4096 [ 577.698355][T14882] EXT4-fs (loop3): Can't read superblock on 2nd try [ 577.712203][T14904] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: writeback. [ 577.728127][T14885] loop5: detected capacity change from 0 to 4 [ 577.734874][T14881] loop4: detected capacity change from 0 to 4 21:18:57 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000001c0f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:57 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0xffffff85, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:18:57 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000005000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 577.742421][T14885] EXT4-fs (loop5): Can't read superblock on 2nd try [ 577.755705][T14881] EXT4-fs (loop4): Can't read superblock on 2nd try [ 577.767004][T14904] EXT4-fs error (device loop1): __ext4_new_inode:1070: comm syz-executor.1: reserved inode found cleared - inode=1 [ 577.777027][T14920] loop2: detected capacity change from 0 to 11 [ 577.783712][T14887] loop0: detected capacity change from 0 to 512 21:18:57 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f480000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 577.808577][T14927] loop5: detected capacity change from 0 to 4 [ 577.814987][T14928] loop3: detected capacity change from 0 to 4 [ 577.821459][T14887] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 577.831232][T14887] EXT4-fs (loop0): group descriptors corrupted! [ 577.839170][T14927] EXT4-fs (loop5): Can't read superblock on 2nd try [ 577.845481][T14920] loop2: detected capacity change from 0 to 11 21:18:57 executing program 1: r0 = syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000800000000001000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f0000010100)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000010400)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f00000001c0)=ANY=[]) ioctl$FS_IOC_SETVERSION(r0, 0x6609, 0x0) 21:18:57 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0xffffff8c, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 577.853307][T14928] EXT4-fs (loop3): Can't read superblock on 2nd try [ 577.863438][T14932] loop4: detected capacity change from 0 to 4 [ 577.871751][T14932] EXT4-fs (loop4): Can't read superblock on 2nd try [ 577.895201][T14946] loop1: detected capacity change from 0 to 4096 21:18:57 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300604000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 577.907057][T14946] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: writeback. [ 577.916411][T14927] loop5: detected capacity change from 0 to 4 [ 577.928328][T14927] EXT4-fs (loop5): Can't read superblock on 2nd try [ 577.929746][T14928] loop3: detected capacity change from 0 to 4 [ 577.946611][T14928] EXT4-fs (loop3): Can't read superblock on 2nd try [ 577.952292][T14957] loop2: detected capacity change from 0 to 11 21:18:57 executing program 1: r0 = syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x200000, 0x4, &(0x7f0000000200)=[{&(0x7f0000010000)="200000000002000019000000900100000f000000000000000200000006000000000008000080000020000000dbf4655fdbf4655f0100ffff53ef010001000000daf4655f000000800000000001000000000000000b0000000004000008000000d2c200001203", 0x66, 0x400}, {&(0x7f0000010100)="00000000000000000000000082e36724c6f34caa846ed2e527703378010040", 0x1f, 0x4e0}, {&(0x7f0000010400)="02000000030000000400000019000f000300040000000000000000000f002e69", 0x20, 0x1000}, {&(0x7f0000012600)="ed41000000100000daf4655fdbf4655fdbf4655f000000000000040080", 0x1d, 0x4400}], 0x0, &(0x7f00000001c0)=ANY=[]) ioctl$FS_IOC_SETVERSION(r0, 0x6609, 0x0) 21:18:57 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000220f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:57 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000006000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 577.959889][T14946] EXT4-fs error (device loop1): __ext4_new_inode:1070: comm syz-executor.1: reserved inode found cleared - inode=1 [ 577.961881][T14932] loop4: detected capacity change from 0 to 4 [ 577.986418][T14932] EXT4-fs (loop4): Can't read superblock on 2nd try [ 577.995557][T14957] loop2: detected capacity change from 0 to 11 21:18:57 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0xffffffda, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:18:57 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f4c0000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 578.026273][T14975] loop5: detected capacity change from 0 to 4 [ 578.035655][T14975] EXT4-fs (loop5): Can't read superblock on 2nd try [ 578.045856][T14976] loop0: detected capacity change from 0 to 512 [ 578.070052][T14975] loop5: detected capacity change from 0 to 4 [ 578.077479][T14976] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 578.078472][T14981] loop3: detected capacity change from 0 to 4 [ 578.087233][T14976] EXT4-fs (loop0): group descriptors corrupted! [ 578.103226][T14975] EXT4-fs (loop5): Can't read superblock on 2nd try [ 578.111012][T14991] loop1: detected capacity change from 0 to 4096 [ 578.117716][T14992] loop4: detected capacity change from 0 to 4 21:18:57 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000250f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 578.118281][T14993] loop2: detected capacity change from 0 to 11 [ 578.130639][T14981] EXT4-fs (loop3): Can't read superblock on 2nd try [ 578.141835][T14992] EXT4-fs (loop4): Can't read superblock on 2nd try [ 578.166976][T14993] loop2: detected capacity change from 0 to 11 21:18:57 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000007000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 578.169098][T14976] loop0: detected capacity change from 0 to 512 [ 578.193724][T15007] loop5: detected capacity change from 0 to 4 [ 578.202942][T14991] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: writeback. 21:18:57 executing program 1: syz_mount_image$ext4(0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0) 21:18:57 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0xfffffff6, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 578.224812][T14992] loop4: detected capacity change from 0 to 4 [ 578.239330][T14976] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 578.249117][T14976] EXT4-fs (loop0): group descriptors corrupted! [ 578.256023][T15007] EXT4-fs (loop5): Can't read superblock on 2nd try [ 578.266341][T14992] EXT4-fs (loop4): Can't read superblock on 2nd try [ 578.289374][T15019] loop3: detected capacity change from 0 to 4 [ 578.300850][T15019] EXT4-fs (loop3): Can't read superblock on 2nd try [ 578.310724][T15022] loop2: detected capacity change from 0 to 11 [ 578.329722][T15007] loop5: detected capacity change from 0 to 4 21:18:57 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000301004000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:18:57 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f600000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:57 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000009000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 578.337767][T15019] loop3: detected capacity change from 0 to 4 [ 578.347467][T15007] EXT4-fs (loop5): Can't read superblock on 2nd try [ 578.354330][T15019] EXT4-fs (loop3): Can't read superblock on 2nd try [ 578.377815][T15022] loop2: detected capacity change from 0 to 11 21:18:57 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000002e0f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:57 executing program 1: syz_mount_image$ext4(0x0, 0x0, 0x0, 0x1, &(0x7f00000007c0)=[{&(0x7f0000000580)="8a", 0x1}], 0x0, 0x0) [ 578.401445][T15044] loop4: detected capacity change from 0 to 4 [ 578.410458][T15047] loop0: detected capacity change from 0 to 512 [ 578.417428][T15050] loop3: detected capacity change from 0 to 4 [ 578.429024][T15047] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 578.433518][T15053] loop5: detected capacity change from 0 to 4 [ 578.438823][T15047] EXT4-fs (loop0): group descriptors corrupted! 21:18:57 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0xfffffffe, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 578.451524][T15050] EXT4-fs (loop3): Can't read superblock on 2nd try [ 578.454741][T15044] EXT4-fs (loop4): Can't read superblock on 2nd try [ 578.467237][T15053] EXT4-fs (loop5): Can't read superblock on 2nd try [ 578.489262][T15050] loop3: detected capacity change from 0 to 4 [ 578.497238][T15047] loop0: detected capacity change from 0 to 512 [ 578.504364][T15053] loop5: detected capacity change from 0 to 4 [ 578.514177][T15044] loop4: detected capacity change from 0 to 4 [ 578.514204][T15047] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 578.528055][T15067] loop2: detected capacity change from 0 to 11 [ 578.529985][T15047] EXT4-fs (loop0): group descriptors corrupted! [ 578.542362][T15044] EXT4-fs (loop4): Can't read superblock on 2nd try 21:18:57 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f680000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:57 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300005000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 578.545001][T15053] EXT4-fs (loop5): Can't read superblock on 2nd try [ 578.551735][T15050] EXT4-fs (loop3): Can't read superblock on 2nd try [ 578.563523][T15067] loop2: detected capacity change from 0 to 11 21:18:57 executing program 1: perf_event_open(&(0x7f0000000040)={0x2, 0x80, 0x8b, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ftruncate(0xffffffffffffffff, 0x0) add_key(&(0x7f0000000000)='asymmetric\x00', 0x0, &(0x7f0000000080)="10", 0x1, 0xfffffffffffffffd) 21:18:57 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x8000000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:18:57 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000480f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 578.606529][T15083] loop4: detected capacity change from 0 to 4 [ 578.615148][T15083] EXT4-fs (loop4): Can't read superblock on 2nd try [ 578.627098][T15086] loop0: detected capacity change from 0 to 512 [ 578.640518][T15086] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 578.650301][T15086] EXT4-fs (loop0): group descriptors corrupted! 21:18:57 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000a000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 578.666566][T15083] loop4: detected capacity change from 0 to 4 [ 578.675477][T15095] loop5: detected capacity change from 0 to 4 [ 578.686109][T15095] EXT4-fs (loop5): Can't read superblock on 2nd try [ 578.692973][T15083] EXT4-fs (loop4): Can't read superblock on 2nd try [ 578.706255][T15104] loop2: detected capacity change from 0 to 11 21:18:58 executing program 1: r0 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000040), 0xffffffffffffffff) r1 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$ETHTOOL_MSG_FEATURES_GET(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000300)={&(0x7f00000004c0)={0x2c, r0, 0xa6f653bc5282d5a9, 0x0, 0x0, {0x6}, [@HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ipvlan0\x00'}]}]}, 0x2c}}, 0x0) [ 578.717647][T15086] loop0: detected capacity change from 0 to 512 [ 578.724454][T15086] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 578.734225][T15086] EXT4-fs (loop0): group descriptors corrupted! [ 578.742513][T15108] loop3: detected capacity change from 0 to 4 [ 578.746470][T15095] loop5: detected capacity change from 0 to 4 [ 578.757645][T15095] EXT4-fs (loop5): Can't read superblock on 2nd try 21:18:58 executing program 1: syz_mount_image$ext4(0x0, &(0x7f00000001c0)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) lsetxattr$security_ima(&(0x7f0000000300)='./file0/../file0\x00', &(0x7f0000000340), &(0x7f0000000380)=@md5={0x1, "e4fd8b8268b578d1c55d0c00cbd5d8ff"}, 0x11, 0x2) 21:18:58 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f6c0000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:58 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300006000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:18:58 executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$tipc2(&(0x7f0000001580), 0xffffffffffffffff) sendmsg$TIPC_NL_MON_SET(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000001080)={0x20, r1, 0x1, 0x0, 0x0, {}, [@TIPC_NLA_MON={0xc, 0x9, 0x0, 0x1, [@TIPC_NLA_MON_ACTIVATION_THRESHOLD={0x8, 0x1, 0xeefc}]}]}, 0x20}}, 0x0) [ 578.776578][T15108] EXT4-fs (loop3): Can't read superblock on 2nd try [ 578.783901][T15104] loop2: detected capacity change from 0 to 11 [ 578.816155][T15129] loop4: detected capacity change from 0 to 4 21:18:58 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000004c0f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:58 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0xedc000000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 578.823702][T15131] loop0: detected capacity change from 0 to 512 [ 578.831089][T15129] EXT4-fs (loop4): Can't read superblock on 2nd try [ 578.832935][T15108] loop3: detected capacity change from 0 to 4 [ 578.845496][T15131] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 578.855247][T15131] EXT4-fs (loop0): group descriptors corrupted! [ 578.869096][T15108] EXT4-fs (loop3): Can't read superblock on 2nd try [ 578.896530][T15147] loop5: detected capacity change from 0 to 4 [ 578.909710][T15147] EXT4-fs (loop5): Can't read superblock on 2nd try [ 578.917520][T15153] loop2: detected capacity change from 0 to 11 [ 578.920233][T15129] loop4: detected capacity change from 0 to 4 21:18:58 executing program 1: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) sendmmsg(r0, &(0x7f0000002980)=[{{0x0, 0x0, &(0x7f00000015c0)=[{&(0x7f0000000280)="92", 0x1}, {&(0x7f0000000340)="b4", 0x1}, {0x0}], 0x3}}], 0x1, 0x0) 21:18:58 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000b000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 578.943134][T15129] EXT4-fs (loop4): Can't read superblock on 2nd try [ 578.950229][T15131] loop0: detected capacity change from 0 to 512 [ 578.962025][T15131] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 578.971786][T15131] EXT4-fs (loop0): group descriptors corrupted! [ 578.981424][T15147] loop5: detected capacity change from 0 to 4 [ 578.984863][T15165] loop3: detected capacity change from 0 to 4 21:18:58 executing program 1: syz_open_procfs$namespace(0xffffffffffffffff, &(0x7f0000000140)='ns/user\x00') 21:18:58 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f740000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:58 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300406000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 578.993965][T15147] EXT4-fs (loop5): Can't read superblock on 2nd try [ 579.005211][T15153] loop2: detected capacity change from 0 to 11 [ 579.012741][T15165] EXT4-fs (loop3): Can't read superblock on 2nd try 21:18:58 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x1000000000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:18:58 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:58 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000600f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 579.057098][T15165] loop3: detected capacity change from 0 to 4 [ 579.065022][T15165] EXT4-fs (loop3): Can't read superblock on 2nd try [ 579.081564][T15180] loop4: detected capacity change from 0 to 4 [ 579.098824][T15189] loop0: detected capacity change from 0 to 512 21:18:58 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000c000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 579.106426][T15193] loop2: detected capacity change from 0 to 11 [ 579.107410][T15191] loop1: detected capacity change from 0 to 4 [ 579.112761][T15180] EXT4-fs (loop4): Can't read superblock on 2nd try [ 579.121997][T15195] loop5: detected capacity change from 0 to 4 [ 579.130987][T15189] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 579.141127][T15189] EXT4-fs (loop0): group descriptors corrupted! [ 579.152400][T15195] EXT4-fs (loop5): Can't read superblock on 2nd try [ 579.159983][T15191] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 579.163010][T15204] loop3: detected capacity change from 0 to 4 [ 579.178530][T15193] loop2: detected capacity change from 0 to 11 [ 579.179362][T15204] EXT4-fs (loop3): Can't read superblock on 2nd try [ 579.193713][T15195] loop5: detected capacity change from 0 to 4 [ 579.200838][T15189] loop0: detected capacity change from 0 to 512 21:18:58 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x7ffffffffffff, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 579.207493][T15180] loop4: detected capacity change from 0 to 4 [ 579.215081][T15189] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 579.224839][T15189] EXT4-fs (loop0): group descriptors corrupted! [ 579.226430][T15195] EXT4-fs (loop5): Can't read superblock on 2nd try [ 579.231422][T15180] EXT4-fs (loop4): Can't read superblock on 2nd try [ 579.247309][T15204] loop3: detected capacity change from 0 to 4 21:18:58 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:58 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300007000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:18:58 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f7a0000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 579.265179][T15204] EXT4-fs (loop3): Can't read superblock on 2nd try [ 579.282626][T15228] loop2: detected capacity change from 0 to 11 21:18:58 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000680f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:58 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000d000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 579.308021][T15232] loop1: detected capacity change from 0 to 4 [ 579.317393][T15232] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 579.341180][T15241] loop0: detected capacity change from 0 to 512 [ 579.346535][T15239] loop4: detected capacity change from 0 to 4 [ 579.348385][T15228] loop2: detected capacity change from 0 to 11 [ 579.359593][T15239] EXT4-fs (loop4): Can't read superblock on 2nd try [ 579.360830][T15242] loop5: detected capacity change from 0 to 4 [ 579.380185][T15241] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 579.389978][T15241] EXT4-fs (loop0): group descriptors corrupted! [ 579.396491][T15242] EXT4-fs (loop5): Can't read superblock on 2nd try 21:18:58 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x100000000000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:18:58 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 579.403838][T15253] loop3: detected capacity change from 0 to 4 [ 579.412386][T15253] EXT4-fs (loop3): Can't read superblock on 2nd try [ 579.432466][T15239] loop4: detected capacity change from 0 to 4 [ 579.447679][T15242] loop5: detected capacity change from 0 to 4 [ 579.449173][T15241] loop0: detected capacity change from 0 to 512 [ 579.459335][T15239] EXT4-fs (loop4): Can't read superblock on 2nd try [ 579.470010][T15253] loop3: detected capacity change from 0 to 4 [ 579.476506][T15242] EXT4-fs (loop5): Can't read superblock on 2nd try [ 579.477257][T15253] EXT4-fs (loop3): Can't read superblock on 2nd try [ 579.483744][T15270] loop2: detected capacity change from 0 to 11 [ 579.494227][T15241] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock 21:18:58 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x10e000000000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:18:58 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000e000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 579.505691][T15273] loop1: detected capacity change from 0 to 4 [ 579.505973][T15241] EXT4-fs (loop0): group descriptors corrupted! [ 579.524475][T15273] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 579.535607][T15270] loop2: detected capacity change from 0 to 11 21:18:58 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000006c0f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:58 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000ffe0000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:58 executing program 1: syz_mount_image$ext4(0x0, &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:58 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300009000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 579.632722][T15297] loop3: detected capacity change from 0 to 4 [ 579.642152][T15298] loop1: detected capacity change from 0 to 4 [ 579.649082][T15296] loop5: detected capacity change from 0 to 4 [ 579.655260][T15297] EXT4-fs (loop3): Can't read superblock on 2nd try [ 579.676542][T15299] loop2: detected capacity change from 0 to 11 21:18:58 executing program 1: syz_mount_image$ext4(0x0, &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 579.684095][T15301] loop4: detected capacity change from 0 to 4 [ 579.687657][T15303] loop0: detected capacity change from 0 to 512 [ 579.703836][T15296] EXT4-fs (loop5): Can't read superblock on 2nd try [ 579.717533][T15297] loop3: detected capacity change from 0 to 4 [ 579.725029][T15301] EXT4-fs (loop4): Can't read superblock on 2nd try [ 579.730727][T15303] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 579.741438][T15303] EXT4-fs (loop0): group descriptors corrupted! [ 579.749714][T15297] EXT4-fs (loop3): Can't read superblock on 2nd try [ 579.757719][T15299] loop2: detected capacity change from 0 to 11 [ 579.763816][T15315] loop1: detected capacity change from 0 to 4 [ 579.764061][T15296] loop5: detected capacity change from 0 to 4 21:18:59 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x200000000000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 579.785203][T15301] loop4: detected capacity change from 0 to 4 [ 579.797426][T15296] EXT4-fs (loop5): Can't read superblock on 2nd try [ 579.799299][T15301] EXT4-fs (loop4): Can't read superblock on 2nd try 21:18:59 executing program 1: syz_mount_image$ext4(0x0, &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:59 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000020f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:59 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000740f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:59 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f8e0100000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 579.826723][T15303] loop0: detected capacity change from 0 to 512 [ 579.847631][T15303] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 579.857397][T15303] EXT4-fs (loop0): group descriptors corrupted! [ 579.906300][T15337] loop3: detected capacity change from 0 to 4 [ 579.908733][T15336] loop2: detected capacity change from 0 to 11 [ 579.912594][T15339] loop1: detected capacity change from 0 to 4 [ 579.926181][T15340] loop5: detected capacity change from 0 to 4 [ 579.932518][T15342] loop4: detected capacity change from 0 to 4 [ 579.946458][T15340] EXT4-fs (loop5): Can't read superblock on 2nd try 21:18:59 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000400000000300000030000a000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 579.956156][T15342] EXT4-fs (loop4): Can't read superblock on 2nd try [ 579.961125][T15337] EXT4-fs (loop3): Can't read superblock on 2nd try [ 579.986471][T15342] loop4: detected capacity change from 0 to 4 [ 579.993100][T15340] loop5: detected capacity change from 0 to 4 21:18:59 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x204000000000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 580.007763][T15342] EXT4-fs (loop4): Can't read superblock on 2nd try [ 580.014566][T15340] EXT4-fs (loop5): Can't read superblock on 2nd try [ 580.025727][T15360] loop0: detected capacity change from 0 to 512 [ 580.029728][T15337] loop3: detected capacity change from 0 to 4 [ 580.038851][T15360] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 580.048632][T15360] EXT4-fs (loop0): group descriptors corrupted! 21:18:59 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', 0x0, 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:59 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f8f0100000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:59 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000007a0f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 580.056228][T15337] EXT4-fs (loop3): Can't read superblock on 2nd try [ 580.063981][T15365] loop2: detected capacity change from 0 to 11 [ 580.091045][T15365] loop2: detected capacity change from 0 to 11 21:18:59 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000030f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 580.104897][T15360] loop0: detected capacity change from 0 to 512 [ 580.118306][T15360] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 580.125428][T15377] loop4: detected capacity change from 0 to 4 [ 580.128045][T15360] EXT4-fs (loop0): group descriptors corrupted! [ 580.145573][T15381] loop1: detected capacity change from 0 to 4 21:18:59 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x300000000000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 580.153054][T15386] loop5: detected capacity change from 0 to 4 [ 580.157171][T15387] loop3: detected capacity change from 0 to 4 [ 580.165367][T15386] EXT4-fs (loop5): Can't read superblock on 2nd try [ 580.165426][T15377] EXT4-fs (loop4): Can't read superblock on 2nd try [ 580.175036][T15387] EXT4-fs (loop3): Can't read superblock on 2nd try 21:18:59 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', 0x0, 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:59 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000400000000300000030000b000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 580.215417][T15386] loop5: detected capacity change from 0 to 4 [ 580.222421][T15386] EXT4-fs (loop5): Can't read superblock on 2nd try [ 580.229263][T15387] loop3: detected capacity change from 0 to 4 [ 580.235688][T15377] loop4: detected capacity change from 0 to 4 [ 580.242595][T15387] EXT4-fs (loop3): Can't read superblock on 2nd try [ 580.252157][T15377] EXT4-fs (loop4): Can't read superblock on 2nd try 21:18:59 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', 0x0, 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:59 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000fe0f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 580.276229][T15406] loop0: detected capacity change from 0 to 512 [ 580.278561][T15405] loop1: detected capacity change from 0 to 4 [ 580.292565][T15406] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 580.302326][T15406] EXT4-fs (loop0): group descriptors corrupted! [ 580.309180][T15410] loop2: detected capacity change from 0 to 11 21:18:59 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000040f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:59 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f920100000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 580.355061][T15406] loop0: detected capacity change from 0 to 512 [ 580.375816][T15410] loop2: detected capacity change from 0 to 11 [ 580.407123][T15406] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 580.412175][T15427] loop3: detected capacity change from 0 to 4 [ 580.416938][T15406] EXT4-fs (loop0): group descriptors corrupted! [ 580.426550][T15430] loop5: detected capacity change from 0 to 4 [ 580.431174][T15420] loop1: detected capacity change from 0 to 4 21:18:59 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x400000000000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 580.457118][T15427] EXT4-fs (loop3): Can't read superblock on 2nd try [ 580.463332][T15432] loop4: detected capacity change from 0 to 4 21:18:59 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000400000000300000030000c000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:18:59 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:59 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000050f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 580.510623][T15430] EXT4-fs (loop5): Can't read superblock on 2nd try [ 580.522936][T15432] EXT4-fs (loop4): Can't read superblock on 2nd try 21:18:59 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 580.563557][T15447] loop2: detected capacity change from 0 to 11 [ 580.570736][T15432] loop4: detected capacity change from 0 to 4 [ 580.583576][T15432] EXT4-fs (loop4): Can't read superblock on 2nd try [ 580.587871][T15451] loop3: detected capacity change from 0 to 4 [ 580.599851][T15430] loop5: detected capacity change from 0 to 4 [ 580.600904][T15453] loop0: detected capacity change from 0 to 512 21:18:59 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:59 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x500000000000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:18:59 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x0, &(0x7f0000000200), 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 580.623868][T15451] EXT4-fs (loop3): Can't read superblock on 2nd try [ 580.631325][T15430] EXT4-fs (loop5): Can't read superblock on 2nd try [ 580.633005][T15453] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 580.647702][T15453] EXT4-fs (loop0): group descriptors corrupted! 21:18:59 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f040200000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:18:59 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000011000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 580.685690][T15451] loop3: detected capacity change from 0 to 4 [ 580.686965][T15453] loop0: detected capacity change from 0 to 512 [ 580.699090][T15451] EXT4-fs (loop3): Can't read superblock on 2nd try 21:19:00 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000060f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 580.728911][T15453] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 580.738662][T15453] EXT4-fs (loop0): group descriptors corrupted! [ 580.746943][T15481] loop2: detected capacity change from 0 to 11 [ 580.753688][T15479] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 580.757753][T15482] loop4: detected capacity change from 0 to 4 [ 580.766892][T15483] loop5: detected capacity change from 0 to 4 21:19:00 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x0, &(0x7f0000000200), 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:00 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000400000000300000030000d000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 580.781533][T15482] EXT4-fs (loop4): Can't read superblock on 2nd try [ 580.789801][T15481] loop2: detected capacity change from 0 to 11 [ 580.794815][T15495] loop3: detected capacity change from 0 to 4 [ 580.802746][T15483] EXT4-fs (loop5): Can't read superblock on 2nd try 21:19:00 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x600000000000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 580.844591][T15495] EXT4-fs (loop3): Can't read superblock on 2nd try [ 580.852091][T15482] loop4: detected capacity change from 0 to 4 [ 580.862457][T15482] EXT4-fs (loop4): Can't read superblock on 2nd try [ 580.864113][T15502] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 580.884001][T15505] loop0: detected capacity change from 0 to 512 [ 580.892727][T15483] loop5: detected capacity change from 0 to 4 [ 580.899211][T15505] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 580.905764][T15514] loop2: detected capacity change from 0 to 11 [ 580.909090][T15505] EXT4-fs (loop0): group descriptors corrupted! [ 580.922905][T15483] EXT4-fs (loop5): Can't read superblock on 2nd try 21:19:00 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f6d0200000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 580.943764][T15495] loop3: detected capacity change from 0 to 4 21:19:00 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000012000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:00 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x604000000000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:19:00 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000400000000300000030000e000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:19:00 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x0, &(0x7f0000000200), 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 580.970612][T15495] EXT4-fs (loop3): Can't read superblock on 2nd try [ 581.006204][T15534] loop4: detected capacity change from 0 to 4 21:19:00 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000070f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 581.024554][T15532] loop5: detected capacity change from 0 to 4 [ 581.040169][T15539] loop0: detected capacity change from 0 to 512 [ 581.049297][T15540] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 581.052578][T15544] loop2: detected capacity change from 0 to 11 [ 581.063136][T15539] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock 21:19:00 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x700000000000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:19:00 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{0x0, 0x0, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 581.072967][T15539] EXT4-fs (loop0): group descriptors corrupted! [ 581.078721][T15546] loop3: detected capacity change from 0 to 4 [ 581.085728][T15532] EXT4-fs (loop5): Can't read superblock on 2nd try [ 581.093701][T15534] EXT4-fs (loop4): Can't read superblock on 2nd try [ 581.108855][T15546] EXT4-fs (loop3): Can't read superblock on 2nd try 21:19:00 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000400000000300000030000f000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:19:00 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000080f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 581.136144][T15534] loop4: detected capacity change from 0 to 4 [ 581.142387][T15532] loop5: detected capacity change from 0 to 4 [ 581.151401][T15532] EXT4-fs (loop5): Can't read superblock on 2nd try [ 581.160400][T15534] EXT4-fs (loop4): Can't read superblock on 2nd try [ 581.178943][T15568] loop0: detected capacity change from 0 to 512 21:19:00 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000400000000300000030000007cd000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 581.183941][T15571] loop1: detected capacity change from 0 to 4 [ 581.193354][T15566] loop2: detected capacity change from 0 to 11 [ 581.193993][T15571] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 581.207397][T15574] loop3: detected capacity change from 0 to 4 [ 581.212117][T15568] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 581.223215][T15568] EXT4-fs (loop0): group descriptors corrupted! [ 581.224400][T15574] EXT4-fs (loop3): Can't read superblock on 2nd try 21:19:00 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f700200000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:00 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{0x0, 0x0, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 581.248180][T15566] loop2: detected capacity change from 0 to 11 [ 581.269597][T15589] loop4: detected capacity change from 0 to 4 [ 581.277916][T15590] loop5: detected capacity change from 0 to 4 [ 581.285151][T15589] EXT4-fs (loop4): Can't read superblock on 2nd try [ 581.291976][T15590] EXT4-fs (loop5): Can't read superblock on 2nd try [ 581.292229][T15594] loop1: detected capacity change from 0 to 4 [ 581.313708][T15574] loop3: detected capacity change from 0 to 4 [ 581.317098][T15594] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 581.320218][T15568] loop0: detected capacity change from 0 to 512 [ 581.336223][T15590] loop5: detected capacity change from 0 to 4 [ 581.337590][T15574] EXT4-fs (loop3): Can't read superblock on 2nd try 21:19:00 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x800000000000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 581.342816][T15589] loop4: detected capacity change from 0 to 4 [ 581.357524][T15590] EXT4-fs (loop5): Can't read superblock on 2nd try [ 581.368342][T15568] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 581.376568][T15608] loop2: detected capacity change from 0 to 11 [ 581.378135][T15568] EXT4-fs (loop0): group descriptors corrupted! [ 581.391525][T15589] EXT4-fs (loop4): Can't read superblock on 2nd try 21:19:00 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000000001000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:00 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000090f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:00 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{0x0, 0x0, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 581.395418][T15608] loop2: detected capacity change from 0 to 11 21:19:00 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x900000000000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:19:00 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f710200000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:00 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300410000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 581.435792][T15622] loop3: detected capacity change from 0 to 4 [ 581.439340][T15624] loop5: detected capacity change from 0 to 4 [ 581.447971][T15622] EXT4-fs (loop3): Can't read superblock on 2nd try [ 581.453283][T15624] EXT4-fs (loop5): Can't read superblock on 2nd try [ 581.464030][T15626] loop1: detected capacity change from 0 to 4 [ 581.475197][T15626] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 581.489664][T15631] loop4: detected capacity change from 0 to 4 [ 581.500959][T15631] EXT4-fs (loop4): Can't read superblock on 2nd try [ 581.501104][T15622] loop3: detected capacity change from 0 to 4 [ 581.514460][T15622] EXT4-fs (loop3): Can't read superblock on 2nd try [ 581.524476][T15624] loop5: detected capacity change from 0 to 4 [ 581.533620][T15624] EXT4-fs (loop5): Can't read superblock on 2nd try 21:19:00 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000), 0x0, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:00 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000a0f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 581.540397][T15631] loop4: detected capacity change from 0 to 4 [ 581.547287][T15631] EXT4-fs (loop4): Can't read superblock on 2nd try [ 581.565160][T15650] loop1: detected capacity change from 0 to 4 [ 581.573726][T15650] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 581.575804][T15648] loop2: detected capacity change from 0 to 11 21:19:00 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000300000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 581.581524][T15649] loop0: detected capacity change from 0 to 512 [ 581.595001][T15649] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 581.603581][T15656] loop3: detected capacity change from 0 to 4 [ 581.604936][T15649] EXT4-fs (loop0): group descriptors corrupted! [ 581.632221][T15649] loop0: detected capacity change from 0 to 512 21:19:00 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000002000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:00 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000), 0x0, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 581.642893][T15648] loop2: detected capacity change from 0 to 11 [ 581.656449][T15649] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 581.666217][T15649] EXT4-fs (loop0): group descriptors corrupted! [ 581.675136][T15656] EXT4-fs (loop3): Can't read superblock on 2nd try 21:19:00 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0xa00000000000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 581.688893][T15675] loop5: detected capacity change from 0 to 4 [ 581.698781][T15674] loop4: detected capacity change from 0 to 4 [ 581.707023][T15675] EXT4-fs (loop5): Can't read superblock on 2nd try [ 581.714572][T15678] loop1: detected capacity change from 0 to 4 [ 581.730321][T15678] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 581.741491][T15656] loop3: detected capacity change from 0 to 4 [ 581.745980][T15674] EXT4-fs (loop4): Can't read superblock on 2nd try [ 581.754546][T15656] EXT4-fs (loop3): Can't read superblock on 2nd try [ 581.761756][T15675] loop5: detected capacity change from 0 to 4 21:19:01 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000302010000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:19:01 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000), 0x0, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 581.785213][T15691] loop2: detected capacity change from 0 to 11 [ 581.785575][T15675] EXT4-fs (loop5): Can't read superblock on 2nd try 21:19:01 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000b0f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:01 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000003000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 581.839253][T15674] loop4: detected capacity change from 0 to 4 [ 581.845827][T15701] loop0: detected capacity change from 0 to 512 [ 581.850775][T15691] loop2: detected capacity change from 0 to 11 [ 581.854657][T15702] loop1: detected capacity change from 0 to 4 [ 581.865478][T15674] EXT4-fs (loop4): Can't read superblock on 2nd try [ 581.880440][T15711] loop3: detected capacity change from 0 to 4 21:19:01 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dc", 0x2d, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:01 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0xb00000000000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 581.887846][T15713] loop5: detected capacity change from 0 to 4 [ 581.891556][T15701] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 581.893930][T15702] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 581.903659][T15701] EXT4-fs (loop0): group descriptors corrupted! [ 581.917501][T15713] EXT4-fs (loop5): Can't read superblock on 2nd try [ 581.933129][T15711] EXT4-fs (loop3): Can't read superblock on 2nd try [ 581.957036][T15713] loop5: detected capacity change from 0 to 4 [ 581.963001][T15721] loop1: detected capacity change from 0 to 4 [ 581.973974][T15711] loop3: detected capacity change from 0 to 4 [ 581.987656][T15701] loop0: detected capacity change from 0 to 512 [ 581.988870][T15721] EXT4-fs (loop1): VFS: Can't find ext4 filesystem 21:19:01 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f020400000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 582.009686][T15713] EXT4-fs (loop5): Can't read superblock on 2nd try [ 582.019320][T15701] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 582.029066][T15701] EXT4-fs (loop0): group descriptors corrupted! [ 582.043806][T15711] EXT4-fs (loop3): Can't read superblock on 2nd try 21:19:01 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000004000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:01 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000c0f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 582.083707][T15733] loop2: detected capacity change from 0 to 11 [ 582.090370][T15734] loop4: detected capacity change from 0 to 4 21:19:01 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dc", 0x2d, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 582.127068][T15734] EXT4-fs (loop4): Can't read superblock on 2nd try [ 582.129618][T15744] loop5: detected capacity change from 0 to 4 [ 582.142985][T15733] loop2: detected capacity change from 0 to 11 [ 582.167158][T15744] EXT4-fs (loop5): Can't read superblock on 2nd try 21:19:01 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300011000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:19:01 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0xc00000000000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 582.174064][T15753] loop3: detected capacity change from 0 to 4 [ 582.180662][T15750] loop1: detected capacity change from 0 to 4 [ 582.183125][T15734] loop4: detected capacity change from 0 to 4 [ 582.188904][T15750] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 582.199675][T15734] EXT4-fs (loop4): Can't read superblock on 2nd try [ 582.206684][T15753] EXT4-fs (loop3): Can't read superblock on 2nd try [ 582.217009][T15744] loop5: detected capacity change from 0 to 4 21:19:01 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dc", 0x2d, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 582.225502][T15764] loop0: detected capacity change from 0 to 512 [ 582.231772][T15744] EXT4-fs (loop5): Can't read superblock on 2nd try [ 582.236859][T15764] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 582.248096][T15764] EXT4-fs (loop0): group descriptors corrupted! [ 582.261677][T15769] loop1: detected capacity change from 0 to 4 21:19:01 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f060400000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:01 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000005000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 582.272554][T15769] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 582.279629][T15753] loop3: detected capacity change from 0 to 4 [ 582.285756][T15765] loop2: detected capacity change from 0 to 11 [ 582.288343][T15753] EXT4-fs (loop3): Can't read superblock on 2nd try [ 582.303156][T15764] loop0: detected capacity change from 0 to 512 [ 582.310272][T15764] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 582.320019][T15764] EXT4-fs (loop0): group descriptors corrupted! 21:19:01 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f", 0x44, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:01 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000d0f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 582.332725][T15785] loop4: detected capacity change from 0 to 4 [ 582.340618][T15765] loop2: detected capacity change from 0 to 11 [ 582.341678][T15785] EXT4-fs (loop4): Can't read superblock on 2nd try [ 582.369950][T15794] loop5: detected capacity change from 0 to 4 [ 582.380835][T15797] loop1: detected capacity change from 0 to 4 [ 582.383334][T15798] loop3: detected capacity change from 0 to 4 [ 582.393102][T15794] EXT4-fs (loop5): Can't read superblock on 2nd try [ 582.395899][T15797] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 582.415272][T15785] loop4: detected capacity change from 0 to 4 21:19:01 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300012000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:19:01 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0xd00000000000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 582.428229][T15798] EXT4-fs (loop3): Can't read superblock on 2nd try [ 582.444218][T15785] EXT4-fs (loop4): Can't read superblock on 2nd try 21:19:01 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4", 0x2e, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:01 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f100400000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 582.476601][T15794] loop5: detected capacity change from 0 to 4 [ 582.486953][T15811] loop2: detected capacity change from 0 to 11 [ 582.496352][T15794] EXT4-fs (loop5): Can't read superblock on 2nd try [ 582.499797][T15812] loop0: detected capacity change from 0 to 512 [ 582.517992][T15816] loop1: detected capacity change from 0 to 4 [ 582.529135][T15816] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 582.532793][T15812] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 582.545476][T15812] EXT4-fs (loop0): group descriptors corrupted! [ 582.558410][T15811] loop2: detected capacity change from 0 to 11 [ 582.564729][T15798] loop3: detected capacity change from 0 to 4 [ 582.567038][T15825] loop4: detected capacity change from 0 to 4 21:19:01 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000006000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:01 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4", 0x2e, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:01 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0xe00000000000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 582.584949][T15798] EXT4-fs (loop3): Can't read superblock on 2nd try [ 582.591991][T15825] EXT4-fs (loop4): Can't read superblock on 2nd try [ 582.604149][T15833] loop5: detected capacity change from 0 to 4 [ 582.624396][T15812] loop0: detected capacity change from 0 to 512 [ 582.625554][T15833] EXT4-fs (loop5): Can't read superblock on 2nd try [ 582.631461][T15825] loop4: detected capacity change from 0 to 4 [ 582.646984][T15841] loop1: detected capacity change from 0 to 4 [ 582.653095][T15825] EXT4-fs (loop4): Can't read superblock on 2nd try [ 582.656251][T15844] loop2: detected capacity change from 0 to 11 [ 582.660251][T15812] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 582.675621][T15812] EXT4-fs (loop0): group descriptors corrupted! 21:19:01 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000e0f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:02 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4", 0x2e, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:02 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000500000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:02 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300020000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 582.682195][T15841] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 582.698124][T15833] loop5: detected capacity change from 0 to 4 [ 582.704811][T15833] EXT4-fs (loop5): Can't read superblock on 2nd try [ 582.705672][T15855] loop3: detected capacity change from 0 to 4 [ 582.718940][T15844] loop2: detected capacity change from 0 to 11 21:19:02 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000007000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:02 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0xf00000000000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 582.760846][T15855] EXT4-fs (loop3): Can't read superblock on 2nd try [ 582.790561][T15873] loop1: detected capacity change from 0 to 4 [ 582.800725][T15875] loop5: detected capacity change from 0 to 4 [ 582.801385][T15877] loop0: detected capacity change from 0 to 512 [ 582.807635][T15879] loop2: detected capacity change from 0 to 11 [ 582.814308][T15878] loop4: detected capacity change from 0 to 4 [ 582.821446][T15875] EXT4-fs (loop5): Can't read superblock on 2nd try [ 582.826902][T15855] loop3: detected capacity change from 0 to 4 [ 582.834840][T15873] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 582.845127][T15855] EXT4-fs (loop3): Can't read superblock on 2nd try [ 582.848624][T15878] EXT4-fs (loop4): Can't read superblock on 2nd try 21:19:02 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000f0f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 582.851929][T15877] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 582.868171][T15877] EXT4-fs (loop0): group descriptors corrupted! [ 582.877039][T15875] loop5: detected capacity change from 0 to 4 [ 582.883648][T15875] EXT4-fs (loop5): Can't read superblock on 2nd try [ 582.893937][T15878] loop4: detected capacity change from 0 to 4 [ 582.894611][T15879] loop2: detected capacity change from 0 to 11 21:19:02 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53", 0x39, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:02 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000008000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:02 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0xfffffffffffffff, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 582.925618][T15877] loop0: detected capacity change from 0 to 512 [ 582.940146][T15878] EXT4-fs (loop4): Can't read superblock on 2nd try [ 582.947822][T15877] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 582.957694][T15877] EXT4-fs (loop0): group descriptors corrupted! [ 582.963078][T15906] loop5: detected capacity change from 0 to 4 21:19:02 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000600000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 582.972240][T15908] loop3: detected capacity change from 0 to 4 [ 582.972249][T15906] EXT4-fs (loop5): Can't read superblock on 2nd try [ 582.977200][T15909] loop1: detected capacity change from 0 to 4 [ 582.981558][T15908] EXT4-fs (loop3): Can't read superblock on 2nd try [ 582.987230][T15909] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 583.004881][T15906] loop5: detected capacity change from 0 to 4 [ 583.011356][T15906] EXT4-fs (loop5): Can't read superblock on 2nd try 21:19:02 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000301020000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 583.027032][T15908] loop3: detected capacity change from 0 to 4 [ 583.035589][T15919] loop4: detected capacity change from 0 to 4 [ 583.042061][T15908] EXT4-fs (loop3): Can't read superblock on 2nd try [ 583.048931][T15919] EXT4-fs (loop4): Can't read superblock on 2nd try [ 583.056046][T15923] loop0: detected capacity change from 0 to 512 [ 583.058589][T15926] loop2: detected capacity change from 0 to 11 21:19:02 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000009000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:02 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000100f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:02 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53", 0x39, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 583.078587][T15923] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 583.088339][T15923] EXT4-fs (loop0): group descriptors corrupted! [ 583.098418][T15919] loop4: detected capacity change from 0 to 4 [ 583.107611][T15919] EXT4-fs (loop4): Can't read superblock on 2nd try [ 583.117944][T15926] loop2: detected capacity change from 0 to 11 21:19:02 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x1000000000000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 583.133717][T15945] loop3: detected capacity change from 0 to 4 [ 583.136141][T15943] loop5: detected capacity change from 0 to 4 [ 583.145960][T15945] EXT4-fs (loop3): Can't read superblock on 2nd try [ 583.149206][T15947] loop1: detected capacity change from 0 to 4 [ 583.158632][T15943] EXT4-fs (loop5): Can't read superblock on 2nd try 21:19:02 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f040600000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 583.186752][T15943] loop5: detected capacity change from 0 to 4 [ 583.186753][T15923] loop0: detected capacity change from 0 to 512 [ 583.195584][T15923] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 583.203926][T15945] loop3: detected capacity change from 0 to 4 [ 583.209211][T15923] EXT4-fs (loop0): group descriptors corrupted! [ 583.224262][T15945] EXT4-fs (loop3): Can't read superblock on 2nd try [ 583.227726][T15947] EXT4-fs (loop1): VFS: Can't find ext4 filesystem 21:19:02 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53", 0x39, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:02 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300022000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 583.230931][T15943] EXT4-fs (loop5): Can't read superblock on 2nd try [ 583.243537][T15962] loop2: detected capacity change from 0 to 11 [ 583.250798][T15966] loop4: detected capacity change from 0 to 4 [ 583.258971][T15966] EXT4-fs (loop4): Can't read superblock on 2nd try [ 583.266970][T15962] loop2: detected capacity change from 0 to 11 21:19:02 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000a000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:02 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000110f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 583.313010][T15982] loop1: detected capacity change from 0 to 4 [ 583.319583][T15983] loop0: detected capacity change from 0 to 512 [ 583.335465][T15966] loop4: detected capacity change from 0 to 4 [ 583.338541][T15982] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 583.350161][T15966] EXT4-fs (loop4): Can't read superblock on 2nd try 21:19:02 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x1100000000000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 583.356308][T15983] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 583.366519][T15983] EXT4-fs (loop0): group descriptors corrupted! [ 583.370573][T15993] loop5: detected capacity change from 0 to 4 [ 583.376360][T15995] loop3: detected capacity change from 0 to 4 [ 583.383971][T15997] loop2: detected capacity change from 0 to 11 [ 583.391158][T15995] EXT4-fs (loop3): Can't read superblock on 2nd try [ 583.398444][T15993] EXT4-fs (loop5): Can't read superblock on 2nd try 21:19:02 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000700000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:02 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef0300010000", 0x3f, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 583.414769][T15997] loop2: detected capacity change from 0 to 11 [ 583.427500][T15983] loop0: detected capacity change from 0 to 512 [ 583.432575][T16009] loop4: detected capacity change from 0 to 4 [ 583.441211][T15983] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 583.450986][T15983] EXT4-fs (loop0): group descriptors corrupted! [ 583.452287][T16009] EXT4-fs (loop4): Can't read superblock on 2nd try 21:19:02 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x1200000000000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 583.465518][T15993] loop5: detected capacity change from 0 to 4 [ 583.470440][T16017] loop1: detected capacity change from 0 to 4 [ 583.487602][T16017] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 583.488232][T15995] loop3: detected capacity change from 0 to 4 [ 583.503651][T15995] EXT4-fs (loop3): Can't read superblock on 2nd try 21:19:02 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300025000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 583.513800][T15993] EXT4-fs (loop5): Can't read superblock on 2nd try [ 583.514736][T16024] loop2: detected capacity change from 0 to 11 [ 583.528461][T16009] loop4: detected capacity change from 0 to 4 [ 583.540725][T16009] EXT4-fs (loop4): Can't read superblock on 2nd try 21:19:02 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:02 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000120f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:02 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000b000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:02 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000900000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:02 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x2000000000000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 583.565231][T16024] loop2: detected capacity change from 0 to 11 [ 583.578010][T16038] loop0: detected capacity change from 0 to 512 [ 583.596496][T16038] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 583.606264][T16038] EXT4-fs (loop0): group descriptors corrupted! [ 583.643395][T16050] loop3: detected capacity change from 0 to 4 [ 583.649966][T16052] loop5: detected capacity change from 0 to 4 [ 583.651703][T16051] loop1: detected capacity change from 0 to 4 [ 583.665671][T16053] loop4: detected capacity change from 0 to 4 [ 583.668072][T16055] loop2: detected capacity change from 0 to 11 [ 583.684484][T16050] EXT4-fs (loop3): Can't read superblock on 2nd try 21:19:03 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000001c0f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 583.697965][T16051] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 583.714237][T16038] loop0: detected capacity change from 0 to 512 [ 583.721221][T16052] EXT4-fs (loop5): Can't read superblock on 2nd try [ 583.728541][T16053] EXT4-fs (loop4): Can't read superblock on 2nd try 21:19:03 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f01", 0x35, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 583.744653][T16038] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 583.754415][T16038] EXT4-fs (loop0): group descriptors corrupted! [ 583.761590][T16055] loop2: detected capacity change from 0 to 11 [ 583.774091][T16052] loop5: detected capacity change from 0 to 4 [ 583.780758][T16069] loop3: detected capacity change from 0 to 4 [ 583.786937][T16052] EXT4-fs (loop5): Can't read superblock on 2nd try 21:19:03 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000400000000300000030002e000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:19:03 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x2010000000000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:19:03 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000a00000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 583.800723][T16077] loop1: detected capacity change from 0 to 4 [ 583.807091][T16069] EXT4-fs (loop3): Can't read superblock on 2nd try [ 583.832948][T16077] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 583.833321][T16083] loop0: detected capacity change from 0 to 512 [ 583.848828][T16083] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 583.858591][T16083] EXT4-fs (loop0): group descriptors corrupted! [ 583.870810][T16069] loop3: detected capacity change from 0 to 4 [ 583.878459][T16089] loop4: detected capacity change from 0 to 4 [ 583.887004][T16089] EXT4-fs (loop4): Can't read superblock on 2nd try 21:19:03 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000c000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 583.896710][T16069] EXT4-fs (loop3): Can't read superblock on 2nd try [ 583.912640][T16095] loop5: detected capacity change from 0 to 4 [ 583.921298][T16089] loop4: detected capacity change from 0 to 4 [ 583.933193][T16095] EXT4-fs (loop5): Can't read superblock on 2nd try [ 583.939877][T16102] loop2: detected capacity change from 0 to 11 21:19:03 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f01", 0x35, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:03 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000220f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:03 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000b00000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 583.946425][T16083] loop0: detected capacity change from 0 to 512 [ 583.954944][T16089] EXT4-fs (loop4): Can't read superblock on 2nd try [ 583.968466][T16083] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 583.978249][T16083] EXT4-fs (loop0): group descriptors corrupted! 21:19:03 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000400000000300000030003f000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 584.026874][T16102] loop2: detected capacity change from 0 to 11 [ 584.032203][T16110] loop1: detected capacity change from 0 to 4 [ 584.046010][T16110] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 584.053534][T16118] loop4: detected capacity change from 0 to 4 21:19:03 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x2200000000000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:19:03 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f01", 0x35, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 584.072643][T16120] loop3: detected capacity change from 0 to 4 [ 584.084133][T16095] loop5: detected capacity change from 0 to 4 [ 584.107916][T16095] EXT4-fs (loop5): Can't read superblock on 2nd try [ 584.118550][T16118] EXT4-fs (loop4): Can't read superblock on 2nd try [ 584.127211][T16127] loop0: detected capacity change from 0 to 512 [ 584.139026][T16132] loop2: detected capacity change from 0 to 11 [ 584.144691][T16134] loop1: detected capacity change from 0 to 4 [ 584.152223][T16120] EXT4-fs (loop3): Can't read superblock on 2nd try [ 584.165412][T16127] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock 21:19:03 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000d000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 584.175177][T16127] EXT4-fs (loop0): group descriptors corrupted! [ 584.188298][T16132] loop2: detected capacity change from 0 to 11 [ 584.194130][T16118] loop4: detected capacity change from 0 to 4 [ 584.213453][T16118] EXT4-fs (loop4): Can't read superblock on 2nd try 21:19:03 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000250f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 584.227192][T16134] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 584.242708][T16148] loop5: detected capacity change from 0 to 4 21:19:03 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff", 0x38, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:03 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x2500000000000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:19:03 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000c00000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:03 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000e000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 584.268338][T16148] EXT4-fs (loop5): Can't read superblock on 2nd try [ 584.269095][T16151] loop3: detected capacity change from 0 to 4 [ 584.322000][T16157] loop1: detected capacity change from 0 to 4 [ 584.322906][T16158] loop4: detected capacity change from 0 to 4 [ 584.341014][T16151] EXT4-fs (loop3): Can't read superblock on 2nd try [ 584.347709][T16157] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 584.357973][T16158] EXT4-fs (loop4): Can't read superblock on 2nd try [ 584.368113][T16127] loop0: detected capacity change from 0 to 512 [ 584.385750][T16151] loop3: detected capacity change from 0 to 4 [ 584.397015][T16127] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 584.406786][T16127] EXT4-fs (loop0): group descriptors corrupted! [ 584.413378][T16151] EXT4-fs (loop3): Can't read superblock on 2nd try 21:19:03 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff", 0x38, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:03 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000002e0f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 584.429894][T16174] loop5: detected capacity change from 0 to 4 [ 584.432718][T16175] loop2: detected capacity change from 0 to 11 [ 584.446360][T16174] EXT4-fs (loop5): Can't read superblock on 2nd try [ 584.453237][T16179] loop1: detected capacity change from 0 to 4 [ 584.472345][T16179] EXT4-fs (loop1): VFS: Can't find ext4 filesystem 21:19:03 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300040000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:19:03 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000d00000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 584.490259][T16174] loop5: detected capacity change from 0 to 4 [ 584.490750][T16175] loop2: detected capacity change from 0 to 11 [ 584.496942][T16174] EXT4-fs (loop5): Can't read superblock on 2nd try [ 584.511159][T16191] loop3: detected capacity change from 0 to 4 21:19:03 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff", 0x38, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:03 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x3f00000000000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 584.542768][T16191] EXT4-fs (loop3): Can't read superblock on 2nd try [ 584.544140][T16201] loop4: detected capacity change from 0 to 4 [ 584.556810][T16199] loop0: detected capacity change from 0 to 512 [ 584.575343][T16199] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 584.585133][T16199] EXT4-fs (loop0): group descriptors corrupted! [ 584.595465][T16204] loop1: detected capacity change from 0 to 4 [ 584.602469][T16191] loop3: detected capacity change from 0 to 4 [ 584.608381][T16201] EXT4-fs (loop4): Can't read superblock on 2nd try [ 584.622683][T16204] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 584.636655][T16191] EXT4-fs (loop3): Can't read superblock on 2nd try 21:19:03 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000010000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 584.645826][T16212] loop2: detected capacity change from 0 to 11 [ 584.665610][T16201] loop4: detected capacity change from 0 to 4 [ 584.667206][T16199] loop0: detected capacity change from 0 to 512 [ 584.687637][T16201] EXT4-fs (loop4): Can't read superblock on 2nd try 21:19:03 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53", 0x39, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:03 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000480f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:03 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x4000000000000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 584.701892][T16199] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 584.711659][T16199] EXT4-fs (loop0): group descriptors corrupted! [ 584.723102][T16226] loop5: detected capacity change from 0 to 4 [ 584.741329][T16235] loop1: detected capacity change from 0 to 4 21:19:04 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000e00000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 584.742588][T16236] loop3: detected capacity change from 0 to 4 [ 584.754961][T16234] loop2: detected capacity change from 0 to 11 [ 584.761346][T16226] EXT4-fs (loop5): Can't read superblock on 2nd try [ 584.769776][T16235] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 584.777820][T16242] loop4: detected capacity change from 0 to 4 [ 584.786663][T16242] EXT4-fs (loop4): Can't read superblock on 2nd try 21:19:04 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300048000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 584.803037][T16236] EXT4-fs (loop3): Can't read superblock on 2nd try [ 584.812559][T16226] loop5: detected capacity change from 0 to 4 [ 584.820924][T16226] EXT4-fs (loop5): Can't read superblock on 2nd try [ 584.834682][T16242] loop4: detected capacity change from 0 to 4 [ 584.834694][T16250] loop0: detected capacity change from 0 to 512 21:19:04 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53", 0x39, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:04 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000004c0f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 584.851829][T16242] EXT4-fs (loop4): Can't read superblock on 2nd try [ 584.856520][T16250] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 584.868178][T16250] EXT4-fs (loop0): group descriptors corrupted! [ 584.882829][T16234] loop2: detected capacity change from 0 to 2176 21:19:04 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000011000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:04 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000f00000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 584.900110][T16263] loop1: detected capacity change from 0 to 4 [ 584.900817][T16264] loop3: detected capacity change from 0 to 4 [ 584.920010][T16263] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 584.923433][T16271] loop5: detected capacity change from 0 to 4 [ 584.931955][T16272] loop4: detected capacity change from 0 to 4 [ 584.938740][T16271] EXT4-fs (loop5): Can't read superblock on 2nd try 21:19:04 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x4800000000000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:19:04 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53", 0x39, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 584.957266][T16264] EXT4-fs (loop3): Can't read superblock on 2nd try [ 584.957474][T16250] loop0: detected capacity change from 0 to 512 [ 584.975458][T16250] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 584.985337][T16250] EXT4-fs (loop0): group descriptors corrupted! [ 584.996905][T16283] loop1: detected capacity change from 0 to 4 21:19:04 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000600f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:04 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000012000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 585.003392][T16272] EXT4-fs (loop4): Can't read superblock on 2nd try [ 585.005224][T16283] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 585.014760][T16271] loop5: detected capacity change from 0 to 4 [ 585.023569][T16271] EXT4-fs (loop5): Can't read superblock on 2nd try 21:19:04 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000400000000300000030004c000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:19:04 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 585.049887][T16294] loop2: detected capacity change from 0 to 11 [ 585.050552][T16295] loop3: detected capacity change from 0 to 4 [ 585.064973][T16295] EXT4-fs (loop3): Can't read superblock on 2nd try [ 585.072228][T16272] loop4: detected capacity change from 0 to 4 [ 585.077536][T16304] loop5: detected capacity change from 0 to 4 [ 585.086759][T16304] EXT4-fs (loop5): Can't read superblock on 2nd try [ 585.099084][T16272] EXT4-fs (loop4): Can't read superblock on 2nd try [ 585.109483][T16294] loop2: detected capacity change from 0 to 11 [ 585.112300][T16313] loop0: detected capacity change from 0 to 512 [ 585.122750][T16295] loop3: detected capacity change from 0 to 4 [ 585.131152][T16304] loop5: detected capacity change from 0 to 4 21:19:04 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f041000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:04 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x4c00000000000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 585.145631][T16315] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 585.148119][T16295] EXT4-fs (loop3): Can't read superblock on 2nd try [ 585.162257][T16313] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 585.172017][T16313] EXT4-fs (loop0): group descriptors corrupted! [ 585.179755][T16304] EXT4-fs (loop5): Can't read superblock on 2nd try [ 585.184492][T16326] loop4: detected capacity change from 0 to 4 21:19:04 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000400000000300000030000000cd070000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 585.194664][T16326] EXT4-fs (loop4): Can't read superblock on 2nd try [ 585.215436][T16332] loop2: detected capacity change from 0 to 11 [ 585.238037][T16313] loop0: detected capacity change from 0 to 512 21:19:04 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000680f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:04 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f201000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:04 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 585.251792][T16313] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 585.261563][T16313] EXT4-fs (loop0): group descriptors corrupted! [ 585.289203][T16342] loop3: detected capacity change from 0 to 4 [ 585.295707][T16345] loop5: detected capacity change from 0 to 4 [ 585.309045][T16342] EXT4-fs (loop3): Can't read superblock on 2nd try [ 585.313294][T16348] loop4: detected capacity change from 0 to 4 [ 585.323202][T16345] EXT4-fs (loop5): Can't read superblock on 2nd try [ 585.341878][T16348] EXT4-fs (loop4): Can't read superblock on 2nd try [ 585.347729][T16332] loop2: detected capacity change from 0 to 2176 21:19:04 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300060000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 585.351034][T16349] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 585.374125][T16342] loop3: detected capacity change from 0 to 4 [ 585.381359][T16345] loop5: detected capacity change from 0 to 4 [ 585.393456][T16348] loop4: detected capacity change from 0 to 4 [ 585.399926][T16345] EXT4-fs (loop5): Can't read superblock on 2nd try 21:19:04 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:04 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x5602000000000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 585.413240][T16342] EXT4-fs (loop3): Can't read superblock on 2nd try [ 585.426895][T16348] EXT4-fs (loop4): Can't read superblock on 2nd try [ 585.447123][T16370] loop0: detected capacity change from 0 to 512 [ 585.453222][T16372] EXT4-fs (loop1): VFS: Can't find ext4 filesystem 21:19:04 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f001100000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:04 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000006c0f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:04 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:04 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, 0x0) [ 585.456217][T16370] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 585.469661][T16370] EXT4-fs (loop0): group descriptors corrupted! [ 585.541530][T16386] loop2: detected capacity change from 0 to 11 [ 585.548608][T16388] loop5: detected capacity change from 0 to 4 [ 585.550013][T16387] loop3: detected capacity change from 0 to 4 [ 585.559358][T16391] loop1: detected capacity change from 0 to 4 [ 585.561571][T16370] loop0: detected capacity change from 0 to 512 [ 585.573217][T16388] EXT4-fs (loop5): fragment/cluster size (4096) != block size (2048) [ 585.575486][T16392] loop4: detected capacity change from 0 to 4 21:19:04 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, 0x0) [ 585.588206][T16370] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 585.598018][T16392] EXT4-fs (loop4): Can't read superblock on 2nd try [ 585.604631][T16370] EXT4-fs (loop0): group descriptors corrupted! [ 585.604638][T16387] EXT4-fs (loop3): Can't read superblock on 2nd try [ 585.611371][T16386] loop2: detected capacity change from 0 to 11 [ 585.625508][T16388] loop5: detected capacity change from 0 to 4 21:19:04 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300068000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:19:04 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x5702000000000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 585.640675][T16392] loop4: detected capacity change from 0 to 4 [ 585.646763][T16388] EXT4-fs (loop5): fragment/cluster size (4096) != block size (2048) [ 585.648257][T16387] loop3: detected capacity change from 0 to 4 [ 585.662203][T16392] EXT4-fs (loop4): Can't read superblock on 2nd try [ 585.671925][T16387] EXT4-fs (loop3): Can't read superblock on 2nd try 21:19:05 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f020000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 585.691357][T16415] loop2: detected capacity change from 0 to 11 [ 585.706933][T16420] loop1: detected capacity change from 0 to 4 [ 585.725026][T16427] loop0: detected capacity change from 0 to 512 21:19:05 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000740f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:05 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f001200000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 585.742697][T16430] loop5: detected capacity change from 0 to 4 [ 585.750866][T16427] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 585.754954][T16415] loop2: detected capacity change from 0 to 11 [ 585.760643][T16427] EXT4-fs (loop0): group descriptors corrupted! [ 585.774897][T16433] loop3: detected capacity change from 0 to 4 [ 585.781059][T16430] EXT4-fs (loop5): Can't read superblock on 2nd try 21:19:05 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, 0x0) 21:19:05 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x5c02000000000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 585.811051][T16441] loop4: detected capacity change from 0 to 4 [ 585.829347][T16433] EXT4-fs (loop3): Can't read superblock on 2nd try [ 585.842391][T16441] EXT4-fs (loop4): Can't read superblock on 2nd try [ 585.849655][T16449] loop2: detected capacity change from 0 to 11 [ 585.858427][T16448] loop1: detected capacity change from 0 to 4 [ 585.863919][T16433] loop3: detected capacity change from 0 to 4 [ 585.878691][T16430] loop5: detected capacity change from 0 to 4 [ 585.878799][T16433] EXT4-fs (loop3): Can't read superblock on 2nd try [ 585.886530][T16427] loop0: detected capacity change from 0 to 512 [ 585.894195][T16449] loop2: detected capacity change from 0 to 11 [ 585.903388][T16430] EXT4-fs (loop5): Can't read superblock on 2nd try 21:19:05 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f030000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:05 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:19:05 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x6000000000000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:19:05 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000007a0f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:05 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f001c00000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 585.913523][T16441] loop4: detected capacity change from 0 to 4 [ 585.923062][T16427] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 585.932819][T16441] EXT4-fs (loop4): Can't read superblock on 2nd try [ 585.932829][T16427] EXT4-fs (loop0): group descriptors corrupted! [ 585.979512][T16473] loop3: detected capacity change from 0 to 4 [ 585.986949][T16475] loop5: detected capacity change from 0 to 4 [ 585.993105][T16473] EXT4-fs (loop3): Can't read superblock on 2nd try [ 585.993187][T16477] loop4: detected capacity change from 0 to 4 [ 586.002945][T16475] EXT4-fs (loop5): Can't read superblock on 2nd try [ 586.008622][T16477] EXT4-fs (loop4): Can't read superblock on 2nd try 21:19:05 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000400000000300000030006c000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 586.026814][T16483] loop2: detected capacity change from 0 to 11 [ 586.048459][T16473] loop3: detected capacity change from 0 to 4 [ 586.054783][T16475] loop5: detected capacity change from 0 to 4 [ 586.061547][T16475] EXT4-fs (loop5): Can't read superblock on 2nd try [ 586.062148][T16477] loop4: detected capacity change from 0 to 4 21:19:05 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000fe0f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:05 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f040000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 586.072425][T16473] EXT4-fs (loop3): Can't read superblock on 2nd try [ 586.075158][T16483] loop2: detected capacity change from 0 to 11 [ 586.087386][T16493] loop1: detected capacity change from 0 to 4 [ 586.096070][T16477] EXT4-fs (loop4): Can't read superblock on 2nd try [ 586.111037][T16493] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 586.119091][T16506] loop0: detected capacity change from 0 to 512 21:19:05 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x6800000000000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:19:05 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f002000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 586.127289][T16506] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 586.137051][T16506] EXT4-fs (loop0): group descriptors corrupted! [ 586.146931][T16510] loop3: detected capacity change from 0 to 4 [ 586.159683][T16510] EXT4-fs (loop3): Can't read superblock on 2nd try [ 586.170901][T16514] loop5: detected capacity change from 0 to 4 21:19:05 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 586.178592][T16517] loop4: detected capacity change from 0 to 4 [ 586.185720][T16514] EXT4-fs (loop5): Can't read superblock on 2nd try [ 586.203893][T16510] loop3: detected capacity change from 0 to 4 [ 586.212447][T16506] loop0: detected capacity change from 0 to 512 [ 586.223096][T16506] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 586.232847][T16506] EXT4-fs (loop0): group descriptors corrupted! [ 586.233223][T16510] EXT4-fs (loop3): Can't read superblock on 2nd try [ 586.246091][T16514] loop5: detected capacity change from 0 to 4 [ 586.254550][T16517] EXT4-fs (loop4): Can't read superblock on 2nd try [ 586.255126][T16533] loop2: detected capacity change from 0 to 11 [ 586.261329][T16514] EXT4-fs (loop5): Can't read superblock on 2nd try [ 586.270218][T16532] loop1: detected capacity change from 0 to 4 21:19:05 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f050000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:05 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000400000000300000030026d000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 586.282086][T16532] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) 21:19:05 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000011000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:05 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:19:05 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x6c00000000000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 586.328195][T16517] loop4: detected capacity change from 0 to 4 [ 586.336800][T16533] loop2: detected capacity change from 0 to 11 [ 586.352308][T16517] EXT4-fs (loop4): Can't read superblock on 2nd try [ 586.362213][T16553] loop0: detected capacity change from 0 to 512 21:19:05 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f102000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 586.385500][T16553] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 586.395256][T16553] EXT4-fs (loop0): group descriptors corrupted! [ 586.412137][T16560] loop5: detected capacity change from 0 to 4 [ 586.413439][T16559] loop3: detected capacity change from 0 to 4 [ 586.429479][T16559] EXT4-fs (loop3): Can't read superblock on 2nd try [ 586.436749][T16562] loop1: detected capacity change from 0 to 4 [ 586.443064][T16563] loop4: detected capacity change from 0 to 4 [ 586.455105][T16560] EXT4-fs (loop5): Can't read superblock on 2nd try [ 586.463136][T16563] EXT4-fs (loop4): Can't read superblock on 2nd try [ 586.466408][T16570] loop2: detected capacity change from 0 to 11 [ 586.476043][T16562] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 586.489109][T16553] loop0: detected capacity change from 0 to 512 [ 586.499359][T16553] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 586.509255][T16553] EXT4-fs (loop0): group descriptors corrupted! [ 586.521378][T16563] loop4: detected capacity change from 0 to 4 [ 586.528274][T16560] loop5: detected capacity change from 0 to 4 21:19:05 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x7400000000000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:19:05 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300270000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:19:05 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x22000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 586.535373][T16559] loop3: detected capacity change from 0 to 4 [ 586.543125][T16560] EXT4-fs (loop5): Can't read superblock on 2nd try [ 586.552452][T16563] EXT4-fs (loop4): Can't read superblock on 2nd try [ 586.570421][T16559] EXT4-fs (loop3): Can't read superblock on 2nd try 21:19:05 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f060000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 586.621610][T16593] loop0: detected capacity change from 0 to 512 [ 586.622547][T16591] loop2: detected capacity change from 0 to 11 [ 586.636889][T16595] loop1: detected capacity change from 0 to 11 [ 586.648930][T16595] FAT-fs (loop1): bogus number of reserved sectors [ 586.655576][T16595] FAT-fs (loop1): Can't find a valid FAT filesystem 21:19:05 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000012000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 586.662824][T16593] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 586.672575][T16593] EXT4-fs (loop0): group descriptors corrupted! [ 586.687180][T16591] loop2: detected capacity change from 0 to 11 21:19:06 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f002200000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:06 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000c000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 586.724191][T16593] loop0: detected capacity change from 0 to 512 [ 586.739482][T16593] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 586.749226][T16593] EXT4-fs (loop0): group descriptors corrupted! 21:19:06 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x7a00000000000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 586.778758][T16619] loop4: detected capacity change from 0 to 4 [ 586.785365][T16618] loop5: detected capacity change from 0 to 4 [ 586.785434][T16617] loop3: detected capacity change from 0 to 4 [ 586.795368][T16621] loop1: detected capacity change from 0 to 512 [ 586.808204][T16618] EXT4-fs (loop5): Can't read superblock on 2nd try [ 586.818214][T16621] EXT4-fs (loop1): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock 21:19:06 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0xff0f, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 586.827983][T16621] EXT4-fs (loop1): group descriptors corrupted! [ 586.828412][T16625] loop2: detected capacity change from 0 to 11 [ 586.844078][T16619] EXT4-fs (loop4): Can't read superblock on 2nd try [ 586.859605][T16618] loop5: detected capacity change from 0 to 4 [ 586.867885][T16617] EXT4-fs (loop3): Can't read superblock on 2nd try 21:19:06 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300271000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:19:06 executing program 1: clone(0x100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() wait4(0x0, 0x0, 0x80000002, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x0) tkill(r0, 0x34) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x10, r1, 0x0) ptrace$cont(0x18, r0, 0x0, 0x4) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ptrace$cont(0x18, r0, 0x0, 0x0) 21:19:06 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f002500000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:06 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f070000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 586.890886][T16634] loop1: detected capacity change from 0 to 11 [ 586.898411][T16618] EXT4-fs (loop5): Can't read superblock on 2nd try [ 586.924435][T16625] loop2: detected capacity change from 0 to 11 [ 586.926480][T16617] loop3: detected capacity change from 0 to 4 21:19:06 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x7fffffffffffffff, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 586.969761][T16617] EXT4-fs (loop3): Can't read superblock on 2nd try [ 586.999672][T16653] loop4: detected capacity change from 0 to 4 [ 587.010621][T16654] loop0: detected capacity change from 0 to 512 21:19:06 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000400000000300000030000007cd000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 587.033769][T16661] loop2: detected capacity change from 0 to 11 [ 587.033804][T16656] loop5: detected capacity change from 0 to 4 [ 587.060194][T16653] EXT4-fs (loop4): Can't read superblock on 2nd try [ 587.071400][T16654] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock 21:19:06 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x85ffffff00000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 587.081167][T16654] EXT4-fs (loop0): group descriptors corrupted! [ 587.090866][T16656] EXT4-fs (loop5): Can't read superblock on 2nd try [ 587.105909][T16673] loop3: detected capacity change from 0 to 4 [ 587.110064][T16674] loop2: detected capacity change from 0 to 11 [ 587.118222][T16673] EXT4-fs (loop3): Can't read superblock on 2nd try [ 587.128440][T16654] loop0: detected capacity change from 0 to 512 [ 587.135602][T16653] loop4: detected capacity change from 0 to 4 [ 587.143128][T16653] EXT4-fs (loop4): Can't read superblock on 2nd try [ 587.148368][T16654] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 587.159508][T16654] EXT4-fs (loop0): group descriptors corrupted! [ 587.168925][T16656] loop5: detected capacity change from 0 to 4 [ 587.176316][T16674] loop2: detected capacity change from 0 to 11 21:19:06 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300074000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:19:06 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f002e00000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 587.178135][T16673] loop3: detected capacity change from 0 to 4 [ 587.188913][T16656] EXT4-fs (loop5): Can't read superblock on 2nd try [ 587.207548][T16673] EXT4-fs (loop3): Can't read superblock on 2nd try [ 587.218762][T16700] loop0: detected capacity change from 0 to 512 21:19:06 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000002000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:06 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f080000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:06 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x8603000000000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 587.235930][T16705] loop4: detected capacity change from 0 to 4 [ 587.252150][T16700] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 587.261915][T16700] EXT4-fs (loop0): group descriptors corrupted! [ 587.269849][T16705] EXT4-fs (loop4): Can't read superblock on 2nd try [ 587.286343][T16712] loop5: detected capacity change from 0 to 4 [ 587.293007][T16713] loop3: detected capacity change from 0 to 4 [ 587.299125][T16712] EXT4-fs (loop5): Can't read superblock on 2nd try [ 587.308857][T16713] EXT4-fs (loop3): Can't read superblock on 2nd try [ 587.311343][T16717] loop2: detected capacity change from 0 to 11 [ 587.325707][T16700] loop0: detected capacity change from 0 to 512 21:19:06 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000003000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 587.332358][T16705] loop4: detected capacity change from 0 to 4 [ 587.333312][T16700] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 587.348198][T16700] EXT4-fs (loop0): group descriptors corrupted! [ 587.348501][T16705] EXT4-fs (loop4): Can't read superblock on 2nd try [ 587.355509][T16717] loop2: detected capacity change from 0 to 11 [ 587.369421][T16712] loop5: detected capacity change from 0 to 4 [ 587.386172][T16712] EXT4-fs (loop5): Can't read superblock on 2nd try [ 587.402810][T16736] loop3: detected capacity change from 0 to 4 [ 587.411021][T16736] EXT4-fs (loop3): Can't read superblock on 2nd try [ 587.464452][T16736] loop3: detected capacity change from 0 to 4 [ 587.470994][T16736] EXT4-fs (loop3): Can't read superblock on 2nd try 21:19:09 executing program 1: clone(0x100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() wait4(0x0, 0x0, 0x80000002, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x0) tkill(r0, 0x34) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x10, r1, 0x0) ptrace$cont(0x18, r0, 0x0, 0x4) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ptrace$cont(0x18, r0, 0x0, 0x0) 21:19:09 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f090000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:09 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f003f00000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:09 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x8cffffff00000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:19:09 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000400000000300000030007a000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:19:09 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000004000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 589.978479][T16756] loop2: detected capacity change from 0 to 11 [ 589.985608][T16758] loop3: detected capacity change from 0 to 4 [ 589.988622][T16757] loop0: detected capacity change from 0 to 512 [ 589.998036][T16758] EXT4-fs (loop3): Can't read superblock on 2nd try [ 590.006149][T16764] loop5: detected capacity change from 0 to 4 [ 590.012467][T16765] loop4: detected capacity change from 0 to 4 [ 590.023315][T16765] EXT4-fs (loop4): Can't read superblock on 2nd try [ 590.030850][T16757] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 590.031192][T16764] EXT4-fs (loop5): Can't read superblock on 2nd try [ 590.040597][T16757] EXT4-fs (loop0): group descriptors corrupted! [ 590.055078][T16758] loop3: detected capacity change from 0 to 4 [ 590.066003][T16756] loop2: detected capacity change from 0 to 2176 [ 590.071868][T16757] loop0: detected capacity change from 0 to 512 21:19:09 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0xa301000000000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:19:09 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f004000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 590.072834][T16758] EXT4-fs (loop3): Can't read superblock on 2nd try [ 590.085476][T16765] loop4: detected capacity change from 0 to 4 [ 590.085465][T16757] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 590.101284][T16757] EXT4-fs (loop0): group descriptors corrupted! [ 590.107842][T16765] EXT4-fs (loop4): Can't read superblock on 2nd try 21:19:09 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000005000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 590.139963][T16764] loop5: detected capacity change from 0 to 4 [ 590.169579][T16764] EXT4-fs (loop5): Can't read superblock on 2nd try [ 590.171234][T16795] loop4: detected capacity change from 0 to 4 21:19:09 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000400000000300000030018e000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:19:09 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f0a0000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 590.185342][T16798] loop2: detected capacity change from 0 to 11 [ 590.194655][T16795] EXT4-fs (loop4): Can't read superblock on 2nd try [ 590.212113][T16804] loop0: detected capacity change from 0 to 512 [ 590.218459][T16805] loop3: detected capacity change from 0 to 4 [ 590.220678][T16804] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 590.234320][T16804] EXT4-fs (loop0): group descriptors corrupted! [ 590.248048][T16805] EXT4-fs (loop3): Can't read superblock on 2nd try [ 590.256129][T16798] loop2: detected capacity change from 0 to 11 [ 590.262807][T16795] loop4: detected capacity change from 0 to 4 [ 590.269934][T16804] loop0: detected capacity change from 0 to 512 [ 590.276087][T16815] loop5: detected capacity change from 0 to 4 [ 590.283895][T16795] EXT4-fs (loop4): Can't read superblock on 2nd try 21:19:09 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0xa801000000000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 590.292157][T16815] EXT4-fs (loop5): Can't read superblock on 2nd try [ 590.305402][T16805] loop3: detected capacity change from 0 to 4 [ 590.309894][T16804] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 590.321227][T16804] EXT4-fs (loop0): group descriptors corrupted! [ 590.327843][T16805] EXT4-fs (loop3): Can't read superblock on 2nd try [ 590.337890][T16815] loop5: detected capacity change from 0 to 4 [ 590.359478][T16815] EXT4-fs (loop5): Can't read superblock on 2nd try [ 590.370030][T16832] loop2: detected capacity change from 0 to 11 [ 590.404455][T16832] loop2: detected capacity change from 0 to 11 21:19:12 executing program 1: clone(0x100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() wait4(0x0, 0x0, 0x80000002, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x0) tkill(r0, 0x34) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x10, r1, 0x0) ptrace$cont(0x18, r0, 0x0, 0x4) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ptrace$cont(0x18, r0, 0x0, 0x0) 21:19:12 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000400000000300000030018f000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:19:12 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f004800000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:12 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000006000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:12 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f0b0000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:12 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0xa901000000000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 593.026193][T16852] loop3: detected capacity change from 0 to 4 [ 593.035526][T16857] loop4: detected capacity change from 0 to 4 [ 593.044239][T16852] EXT4-fs (loop3): Can't read superblock on 2nd try [ 593.049526][T16858] loop5: detected capacity change from 0 to 4 [ 593.056468][T16857] EXT4-fs (loop4): Can't read superblock on 2nd try [ 593.060171][T16862] loop2: detected capacity change from 0 to 11 [ 593.066098][T16863] loop0: detected capacity change from 0 to 512 21:19:12 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000060f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 593.084993][T16858] EXT4-fs (loop5): Can't read superblock on 2nd try [ 593.091429][T16863] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 593.101374][T16863] EXT4-fs (loop0): group descriptors corrupted! [ 593.116385][T16862] loop2: detected capacity change from 0 to 11 21:19:12 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0xae26000000000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 593.132874][T16878] loop1: detected capacity change from 0 to 4 [ 593.142254][T16852] loop3: detected capacity change from 0 to 4 [ 593.143774][T16857] loop4: detected capacity change from 0 to 4 [ 593.149200][T16858] loop5: detected capacity change from 0 to 4 [ 593.160767][T16878] EXT4-fs (loop1): Can't read superblock on 2nd try [ 593.162216][T16858] EXT4-fs (loop5): Can't read superblock on 2nd try [ 593.175594][T16863] loop0: detected capacity change from 0 to 512 [ 593.182609][T16852] EXT4-fs (loop3): Can't read superblock on 2nd try [ 593.189523][T16857] EXT4-fs (loop4): Can't read superblock on 2nd try [ 593.190156][T16863] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 593.206023][T16863] EXT4-fs (loop0): group descriptors corrupted! 21:19:12 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300192000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:19:12 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f004c00000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:12 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f0c0000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 593.232825][T16897] loop2: detected capacity change from 0 to 11 21:19:12 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0, 0x0, 0xffffffffffffff7f}], 0x0, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:19:12 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000007000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 593.303951][T16897] loop2: detected capacity change from 0 to 11 [ 593.304903][T16912] loop5: detected capacity change from 0 to 4 [ 593.313627][T16911] loop0: detected capacity change from 0 to 512 [ 593.317761][T16915] loop1: detected capacity change from 0 to 16383 [ 593.329903][T16918] loop3: detected capacity change from 0 to 4 [ 593.330823][T16916] loop4: detected capacity change from 0 to 4 [ 593.341507][T16911] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock 21:19:12 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0xb926000000000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 593.351818][T16911] EXT4-fs (loop0): group descriptors corrupted! [ 593.358078][T16916] EXT4-fs (loop4): Can't read superblock on 2nd try [ 593.372257][T16915] FAT-fs (loop1): bogus number of reserved sectors [ 593.378798][T16915] FAT-fs (loop1): Can't find a valid FAT filesystem [ 593.386361][T16918] EXT4-fs (loop3): Can't read superblock on 2nd try [ 593.393609][T16912] EXT4-fs (loop5): Can't read superblock on 2nd try 21:19:12 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f006000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 593.405355][T16911] loop0: detected capacity change from 0 to 512 [ 593.415024][T16931] loop2: detected capacity change from 0 to 11 [ 593.425351][T16916] loop4: detected capacity change from 0 to 4 [ 593.431710][T16911] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 593.441454][T16911] EXT4-fs (loop0): group descriptors corrupted! [ 593.442617][T16916] EXT4-fs (loop4): Can't read superblock on 2nd try 21:19:12 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003001f8000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:19:12 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300022000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 593.476002][T16912] loop5: detected capacity change from 0 to 4 [ 593.490503][T16918] loop3: detected capacity change from 0 to 4 [ 593.497235][T16931] loop2: detected capacity change from 0 to 11 [ 593.512457][T16912] EXT4-fs (loop5): Can't read superblock on 2nd try [ 593.512480][T16918] EXT4-fs (loop3): Can't read superblock on 2nd try 21:19:12 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f0d0000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:12 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0xd703000000000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 593.526197][T16956] loop0: detected capacity change from 0 to 512 [ 593.532736][T16957] loop4: detected capacity change from 0 to 4 [ 593.541944][T16956] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 593.543282][T16959] loop1: detected capacity change from 0 to 4 [ 593.551685][T16956] EXT4-fs (loop0): group descriptors corrupted! [ 593.554881][T16957] EXT4-fs (loop4): Can't read superblock on 2nd try 21:19:12 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000008000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 593.607008][T16969] loop5: detected capacity change from 0 to 4 [ 593.622017][T16959] EXT4-fs (loop1): Can't read superblock on 2nd try [ 593.629657][T16969] EXT4-fs (loop5): Can't read superblock on 2nd try [ 593.639723][T16957] loop4: detected capacity change from 0 to 4 [ 593.650060][T16956] loop0: detected capacity change from 0 to 512 21:19:12 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000400000000300000030fffe000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 593.660159][T16957] EXT4-fs (loop4): Can't read superblock on 2nd try [ 593.668193][T16956] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 593.678022][T16956] EXT4-fs (loop0): group descriptors corrupted! [ 593.680575][T16981] loop2: detected capacity change from 0 to 11 [ 593.692028][T16982] loop3: detected capacity change from 0 to 4 [ 593.700854][T16982] EXT4-fs (loop3): Can't read superblock on 2nd try 21:19:13 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f006800000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 593.709093][T16969] loop5: detected capacity change from 0 to 4 [ 593.728538][T16981] loop2: detected capacity change from 0 to 11 [ 593.746875][T16994] loop0: detected capacity change from 0 to 512 [ 593.753743][T16969] EXT4-fs (loop5): Can't read superblock on 2nd try 21:19:13 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000400000000300018c300000000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 593.756688][T16994] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 593.769249][T16998] loop4: detected capacity change from 0 to 4 [ 593.770095][T16994] EXT4-fs (loop0): group descriptors corrupted! [ 593.783953][T16998] EXT4-fs (loop4): Can't read superblock on 2nd try [ 593.799823][T16982] loop3: detected capacity change from 0 to 4 21:19:13 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0xdaffffff00000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:19:13 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f0e0000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 593.815731][T17007] loop1: detected capacity change from 0 to 4 [ 593.822549][T16982] EXT4-fs (loop3): Can't read superblock on 2nd try [ 593.845208][T17012] loop2: detected capacity change from 0 to 11 [ 593.846775][T17014] loop5: detected capacity change from 0 to 4 21:19:13 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000009000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:13 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f0f0000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 593.860113][T17014] EXT4-fs (loop5): Can't read superblock on 2nd try [ 593.868394][T16998] loop4: detected capacity change from 0 to 4 [ 593.877225][T16998] EXT4-fs (loop4): Can't read superblock on 2nd try [ 593.889645][T17007] EXT4-fs (loop1): Can't read superblock on 2nd try [ 593.903029][T16994] loop0: detected capacity change from 0 to 512 21:19:13 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f006c00000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 593.914263][T17012] loop2: detected capacity change from 0 to 11 [ 593.919400][T16994] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 593.930162][T16994] EXT4-fs (loop0): group descriptors corrupted! [ 593.937879][T17028] loop3: detected capacity change from 0 to 4 [ 593.954124][T17028] EXT4-fs (loop3): Can't read superblock on 2nd try 21:19:13 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0xf6ffffff00000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:19:13 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000400000000300003f300000000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 593.957936][T17041] loop4: detected capacity change from 0 to 4 [ 593.983083][T17041] EXT4-fs (loop4): Can't read superblock on 2nd try [ 593.997143][T17028] loop3: detected capacity change from 0 to 4 [ 594.006214][T17049] loop2: detected capacity change from 0 to 11 21:19:13 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300fff000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 594.020964][T17054] loop1: detected capacity change from 0 to 4 [ 594.023641][T17051] loop5: detected capacity change from 0 to 4 [ 594.029251][T17054] EXT4-fs (loop1): Can't read superblock on 2nd try [ 594.043047][T17028] EXT4-fs (loop3): Can't read superblock on 2nd try [ 594.044069][T17041] loop4: detected capacity change from 0 to 4 [ 594.056865][T17049] loop2: detected capacity change from 0 to 11 [ 594.063737][T17063] loop0: detected capacity change from 0 to 512 [ 594.066907][T17041] EXT4-fs (loop4): Can't read superblock on 2nd try [ 594.072030][T17051] EXT4-fs (loop5): Can't read superblock on 2nd try [ 594.078379][T17063] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 594.092991][T17063] EXT4-fs (loop0): group descriptors corrupted! [ 594.108161][T17051] loop5: detected capacity change from 0 to 4 21:19:13 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0xf9fdffff00000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:19:13 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0, 0x0, 0x9}], 0x0, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:19:13 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000a000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 594.119802][T17051] EXT4-fs (loop5): Can't read superblock on 2nd try 21:19:13 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f026d00000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 594.145962][T17063] loop0: detected capacity change from 0 to 512 [ 594.166930][T17080] loop2: detected capacity change from 0 to 11 [ 594.175299][T17063] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 594.176353][T17087] loop4: detected capacity change from 0 to 4 21:19:13 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f100000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 594.185171][T17063] EXT4-fs (loop0): group descriptors corrupted! [ 594.193992][T17084] loop1: detected capacity change from 0 to 11 [ 594.203823][T17087] EXT4-fs (loop4): Can't read superblock on 2nd try [ 594.204349][T17086] loop3: detected capacity change from 0 to 4 [ 594.212748][T17084] FAT-fs (loop1): bogus number of reserved sectors [ 594.223015][T17084] FAT-fs (loop1): Can't find a valid FAT filesystem [ 594.239903][T17086] EXT4-fs (loop3): Can't read superblock on 2nd try 21:19:13 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000400000000300000030feff000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 594.255371][T17095] loop5: detected capacity change from 0 to 4 [ 594.263453][T17095] EXT4-fs (loop5): Can't read superblock on 2nd try [ 594.275645][T17087] loop4: detected capacity change from 0 to 4 [ 594.283547][T17086] loop3: detected capacity change from 0 to 4 [ 594.290227][T17080] loop2: detected capacity change from 0 to 11 [ 594.297597][T17087] EXT4-fs (loop4): Can't read superblock on 2nd try 21:19:13 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0xfdfdffff00000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 594.302702][T17107] loop0: detected capacity change from 0 to 512 [ 594.313847][T17095] loop5: detected capacity change from 0 to 4 [ 594.320455][T17086] EXT4-fs (loop3): Can't read superblock on 2nd try [ 594.320639][T17107] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 594.336779][T17107] EXT4-fs (loop0): group descriptors corrupted! 21:19:13 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000004803000000300000000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:19:13 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f027000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 594.353864][T17095] EXT4-fs (loop5): Can't read superblock on 2nd try [ 594.371151][T17118] loop2: detected capacity change from 0 to 11 [ 594.381614][T17122] loop1: detected capacity change from 0 to 512 [ 594.395442][T17107] loop0: detected capacity change from 0 to 512 21:19:13 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000b000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:13 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f110000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 594.409785][T17122] EXT4-fs (loop1): bad geometry: block count 1207959616 exceeds size of device (64 blocks) [ 594.422704][T17107] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 594.432454][T17107] EXT4-fs (loop0): group descriptors corrupted! [ 594.436979][T17133] loop3: detected capacity change from 0 to 4 [ 594.440104][T17128] loop4: detected capacity change from 0 to 4 [ 594.451820][T17118] loop2: detected capacity change from 0 to 11 [ 594.458184][T17133] EXT4-fs (loop3): Can't read superblock on 2nd try [ 594.465525][T17138] loop5: detected capacity change from 0 to 4 [ 594.469895][T17128] EXT4-fs (loop4): Can't read superblock on 2nd try [ 594.476923][T17138] EXT4-fs (loop5): Can't read superblock on 2nd try [ 594.493779][T17133] loop3: detected capacity change from 0 to 4 [ 594.500181][T17133] EXT4-fs (loop3): Can't read superblock on 2nd try 21:19:13 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0xfeffffff00000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:19:13 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000025000000300000000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:13 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000010000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 594.508857][T17128] loop4: detected capacity change from 0 to 4 [ 594.521784][T17128] EXT4-fs (loop4): Can't read superblock on 2nd try [ 594.534767][T17138] loop5: detected capacity change from 0 to 4 [ 594.543016][T17157] loop0: detected capacity change from 0 to 512 21:19:13 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000c000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:13 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f027100000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 594.551395][T17157] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 594.559229][T17159] loop2: detected capacity change from 0 to 11 [ 594.561147][T17157] EXT4-fs (loop0): group descriptors corrupted! [ 594.568199][T17160] loop1: detected capacity change from 0 to 4 [ 594.579593][T17138] EXT4-fs (loop5): Can't read superblock on 2nd try [ 594.584848][T17160] EXT4-fs (loop1): Can't read superblock on 2nd try 21:19:13 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f120000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 594.616867][T17172] loop4: detected capacity change from 0 to 4 [ 594.625281][T17172] EXT4-fs (loop4): Can't read superblock on 2nd try [ 594.627147][T17174] loop3: detected capacity change from 0 to 4 [ 594.635749][T17159] loop2: detected capacity change from 0 to 11 [ 594.648570][T17157] loop0: detected capacity change from 0 to 512 [ 594.657006][T17157] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock 21:19:13 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000004003000000300000000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:13 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0xff0f000000000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 594.666808][T17157] EXT4-fs (loop0): group descriptors corrupted! [ 594.674476][T17174] EXT4-fs (loop3): Can't read superblock on 2nd try [ 594.690035][T17172] loop4: detected capacity change from 0 to 4 [ 594.696898][T17187] loop5: detected capacity change from 0 to 4 [ 594.704392][T17172] EXT4-fs (loop4): Can't read superblock on 2nd try 21:19:14 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000011000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:19:14 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000d000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 594.719858][T17174] loop3: detected capacity change from 0 to 4 [ 594.732014][T17195] loop1: detected capacity change from 0 to 4 [ 594.736473][T17174] EXT4-fs (loop3): Can't read superblock on 2nd try [ 594.744879][T17187] EXT4-fs (loop5): Can't read superblock on 2nd try [ 594.754578][T17200] loop2: detected capacity change from 0 to 11 [ 594.760811][T17195] EXT4-fs (loop1): Can't read superblock on 2nd try 21:19:14 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f007400000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:14 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000503000000300000000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 594.808928][T17211] loop0: detected capacity change from 0 to 512 [ 594.815777][T17213] loop3: detected capacity change from 0 to 4 [ 594.822804][T17215] loop4: detected capacity change from 0 to 4 [ 594.835049][T17187] loop5: detected capacity change from 0 to 4 [ 594.842205][T17200] loop2: detected capacity change from 0 to 11 [ 594.848712][T17213] EXT4-fs (loop3): Can't read superblock on 2nd try [ 594.856961][T17223] loop1: detected capacity change from 0 to 4 [ 594.857831][T17187] EXT4-fs (loop5): Can't read superblock on 2nd try [ 594.868634][T17211] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 594.879437][T17211] EXT4-fs (loop0): group descriptors corrupted! [ 594.887037][T17215] EXT4-fs (loop4): Can't read superblock on 2nd try 21:19:14 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f1c0000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:14 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0xfffdffff00000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 594.903693][T17213] loop3: detected capacity change from 0 to 4 [ 594.919484][T17213] EXT4-fs (loop3): Can't read superblock on 2nd try [ 594.928794][T17223] EXT4-fs (loop1): Can't read superblock on 2nd try [ 594.940963][T17235] loop5: detected capacity change from 0 to 4 [ 594.951627][T17215] loop4: detected capacity change from 0 to 4 21:19:14 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000e000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 594.958383][T17215] EXT4-fs (loop4): Can't read superblock on 2nd try [ 594.965682][T17211] loop0: detected capacity change from 0 to 512 [ 594.974051][T17239] loop2: detected capacity change from 0 to 11 [ 594.990432][T17211] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 595.000188][T17211] EXT4-fs (loop0): group descriptors corrupted! 21:19:14 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000201003000000300000000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:14 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000012000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 595.014150][T17235] EXT4-fs (loop5): Can't read superblock on 2nd try [ 595.038333][T17249] loop3: detected capacity change from 0 to 4 [ 595.043334][T17239] loop2: detected capacity change from 0 to 11 [ 595.055539][T17235] loop5: detected capacity change from 0 to 4 21:19:14 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f007a00000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 595.070964][T17235] EXT4-fs (loop5): Can't read superblock on 2nd try [ 595.090914][T17259] loop1: detected capacity change from 0 to 4 [ 595.096457][T17249] EXT4-fs (loop3): Can't read superblock on 2nd try 21:19:14 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f220000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 595.117647][T17265] loop0: detected capacity change from 0 to 512 [ 595.137344][T17266] loop4: detected capacity change from 0 to 4 [ 595.152216][T17259] EXT4-fs (loop1): Can't read superblock on 2nd try [ 595.156997][T17265] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock 21:19:14 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0xffffff7f00000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 595.168540][T17265] EXT4-fs (loop0): group descriptors corrupted! [ 595.180207][T17249] loop3: detected capacity change from 0 to 4 [ 595.186635][T17266] EXT4-fs (loop4): Can't read superblock on 2nd try [ 595.194573][T17249] EXT4-fs (loop3): Can't read superblock on 2nd try [ 595.212703][T17265] loop0: detected capacity change from 0 to 512 21:19:14 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f018e00000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:14 executing program 1: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0, 0x6}], 0x0, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 595.221460][T17275] loop5: detected capacity change from 0 to 4 [ 595.236256][T17278] loop2: detected capacity change from 0 to 11 [ 595.243280][T17265] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 595.253103][T17265] EXT4-fs (loop0): group descriptors corrupted! 21:19:14 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000010000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 595.275869][T17275] EXT4-fs (loop5): Can't read superblock on 2nd try [ 595.289912][T17289] loop1: detected capacity change from 0 to 11 [ 595.307013][T17291] loop4: detected capacity change from 0 to 4 [ 595.308723][T17294] loop3: detected capacity change from 0 to 4 [ 595.315828][T17291] EXT4-fs (loop4): Can't read superblock on 2nd try 21:19:14 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000003f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 595.319355][T17289] FAT-fs (loop1): bogus number of reserved sectors [ 595.332360][T17289] FAT-fs (loop1): Can't find a valid FAT filesystem [ 595.347434][T17275] loop5: detected capacity change from 0 to 4 [ 595.353042][T17278] loop2: detected capacity change from 0 to 11 [ 595.369337][T17291] loop4: detected capacity change from 0 to 4 21:19:14 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0xffffffff00000000, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 595.373822][T17307] loop0: detected capacity change from 0 to 512 [ 595.381787][T17275] EXT4-fs (loop5): Can't read superblock on 2nd try [ 595.383002][T17294] EXT4-fs (loop3): Can't read superblock on 2nd try [ 595.392213][T17307] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 595.404775][T17307] EXT4-fs (loop0): group descriptors corrupted! [ 595.414932][T17291] EXT4-fs (loop4): Can't read superblock on 2nd try 21:19:14 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000074000000003000000300000000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 595.450500][T17317] loop2: detected capacity change from 0 to 11 [ 595.466743][T17294] loop3: detected capacity change from 0 to 4 [ 595.468316][T17321] loop1: detected capacity change from 0 to 512 [ 595.473547][T17294] EXT4-fs (loop3): Can't read superblock on 2nd try 21:19:14 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f018f00000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:14 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000040000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:19:14 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f250000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:14 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000011000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 595.503708][T17317] loop2: detected capacity change from 0 to 11 [ 595.515330][T17321] EXT4-fs (loop1): inodes count not valid: 117440544 vs 32 [ 595.542696][T17336] loop4: detected capacity change from 0 to 4 21:19:14 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000400000000300000030000007cd000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 595.545009][T17338] loop0: detected capacity change from 0 to 512 [ 595.558973][T17338] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 595.568734][T17338] EXT4-fs (loop0): group descriptors corrupted! 21:19:14 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0xffffffffffff0700, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:19:14 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200020104000000003000000300000000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 595.598369][T17339] loop5: detected capacity change from 0 to 4 [ 595.601752][T17336] EXT4-fs (loop4): Can't read superblock on 2nd try [ 595.622615][T17344] loop3: detected capacity change from 0 to 4 [ 595.623959][T17349] loop2: detected capacity change from 0 to 11 21:19:14 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0xffffffffffffff0f, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 595.646848][T17339] EXT4-fs (loop5): Can't read superblock on 2nd try [ 595.661808][T17355] loop1: detected capacity change from 0 to 512 [ 595.673689][T17336] loop4: detected capacity change from 0 to 4 [ 595.685164][T17344] EXT4-fs (loop3): Can't read superblock on 2nd try [ 595.687474][T17355] EXT4-fs (loop1): inodes count not valid: 270532640 vs 32 [ 595.700167][T17336] EXT4-fs (loop4): Can't read superblock on 2nd try [ 595.712003][T17360] loop0: detected capacity change from 0 to 512 [ 595.721756][T17365] loop2: detected capacity change from 0 to 11 [ 595.727946][T17360] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 595.737731][T17360] EXT4-fs (loop0): group descriptors corrupted! 21:19:15 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f019200000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 595.751721][T17339] loop5: detected capacity change from 0 to 4 [ 595.760725][T17344] loop3: detected capacity change from 0 to 4 [ 595.773467][T17339] EXT4-fs (loop5): Can't read superblock on 2nd try [ 595.781703][T17360] loop0: detected capacity change from 0 to 512 [ 595.790272][T17344] EXT4-fs (loop3): Can't read superblock on 2nd try 21:19:15 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000407a000003000000300000000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 595.798043][T17365] loop2: detected capacity change from 0 to 11 [ 595.805749][T17360] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 595.815500][T17360] EXT4-fs (loop0): group descriptors corrupted! [ 595.817975][T17385] loop4: detected capacity change from 0 to 4 [ 595.830536][T17385] EXT4-fs (loop4): Can't read superblock on 2nd try [ 595.834945][T17387] loop1: detected capacity change from 0 to 4 21:19:15 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000012000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:15 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f2e0000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:15 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0xffffffffffffff7f, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:19:15 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000400000000300000030fffffffe000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 595.862907][T17385] loop4: detected capacity change from 0 to 4 [ 595.870997][T17387] EXT4-fs (loop1): Can't read superblock on 2nd try [ 595.885826][T17385] EXT4-fs (loop4): Can't read superblock on 2nd try [ 595.930652][T17404] loop2: detected capacity change from 0 to 11 [ 595.932250][T17402] loop3: detected capacity change from 0 to 4 [ 595.942862][T17406] loop5: detected capacity change from 0 to 4 [ 595.944353][T17408] loop0: detected capacity change from 0 to 512 [ 595.959388][T17406] EXT4-fs (loop5): Can't read superblock on 2nd try [ 595.973276][T17404] loop2: detected capacity change from 0 to 11 21:19:15 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000fc0ed00000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:15 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000002e4000000003000000300000000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 595.976812][T17402] EXT4-fs (loop3): Can't read superblock on 2nd try 21:19:15 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)={[{@fat=@uid={'uid', 0x22}}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 596.006473][T17408] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 596.016220][T17408] EXT4-fs (loop0): group descriptors corrupted! [ 596.021676][T17420] loop4: detected capacity change from 0 to 4 [ 596.036007][T17423] loop1: detected capacity change from 0 to 4 [ 596.044299][T17423] EXT4-fs (loop1): Can't read superblock on 2nd try 21:19:15 executing program 1: r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFULNL_MSG_CONFIG(r0, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f00000000c0)={&(0x7f0000000300)=ANY=[@ANYBLOB="500000000104010100000000040000000000000a050001000300000008000440000e0000044000000006080004400000bf00090a00020000000800010000000800034080000001be5a7032e1d274367ce12b5b1f4900d63a0c127486c52764259d25f410f65a2540f5d63ef642a44abf5b3312bc4a85103ac96475408080cf377a4d72e66700c0721d1491cf2a7fb3bb9e569d6ad4d353a5a7a386fb0abdf79d769c35164653153122f736fc5eeb7bac5befac0c0616602817e373e7f38674c6a33dd10d241a431de32932259345"], 0x50}, 0x1, 0x0, 0x0, 0x40000}, 0x8810) [ 596.051783][T17406] loop5: detected capacity change from 0 to 4 [ 596.058720][T17420] EXT4-fs (loop4): Can't read superblock on 2nd try [ 596.065553][T17402] loop3: detected capacity change from 0 to 4 [ 596.072369][T17406] EXT4-fs (loop5): Can't read superblock on 2nd try [ 596.073459][T17402] EXT4-fs (loop3): Can't read superblock on 2nd try [ 596.085903][T17408] loop0: detected capacity change from 0 to 512 21:19:15 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f480000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 596.101722][T17436] loop2: detected capacity change from 0 to 11 [ 596.114551][T17408] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 596.124336][T17408] EXT4-fs (loop0): group descriptors corrupted! [ 596.131139][T17436] FAT-fs (loop2): Unrecognized mount option "uid"0x0000000000000000" or missing value [ 596.140127][T17450] netlink: 44 bytes leftover after parsing attributes in process `syz-executor.1'. [ 596.154822][T17420] loop4: detected capacity change from 0 to 4 21:19:15 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000400000000300000030000000cd070000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:15 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000c004000000003000000300000000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:15 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300002000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 596.179459][T17420] EXT4-fs (loop4): Can't read superblock on 2nd try [ 596.206977][T17459] loop5: detected capacity change from 0 to 4 21:19:15 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000ffffe00000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 596.237997][T17436] loop2: detected capacity change from 0 to 2176 [ 596.246685][T17459] EXT4-fs (loop5): Can't read superblock on 2nd try [ 596.255001][T17467] loop3: detected capacity change from 0 to 4 [ 596.264542][T17468] loop0: detected capacity change from 0 to 512 [ 596.270987][T17467] EXT4-fs (loop3): Can't read superblock on 2nd try [ 596.272001][T17473] loop1: detected capacity change from 0 to 4 21:19:15 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)={[{@fat=@uid={'uid', 0x2c}}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 596.277851][T17474] loop4: detected capacity change from 0 to 4 [ 596.289332][T17473] EXT4-fs (loop1): Can't read superblock on 2nd try [ 596.292336][T17474] EXT4-fs (loop4): Can't read superblock on 2nd try [ 596.297167][T17468] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 596.312676][T17468] EXT4-fs (loop0): group descriptors corrupted! [ 596.324821][T17459] loop5: detected capacity change from 0 to 4 [ 596.331423][T17459] EXT4-fs (loop5): Can't read superblock on 2nd try 21:19:15 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f0fff00000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 596.339203][T17467] loop3: detected capacity change from 0 to 4 [ 596.346908][T17474] loop4: detected capacity change from 0 to 4 [ 596.356974][T17474] EXT4-fs (loop4): Can't read superblock on 2nd try [ 596.366188][T17468] loop0: detected capacity change from 0 to 512 [ 596.373256][T17467] EXT4-fs (loop3): Can't read superblock on 2nd try 21:19:15 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f4c0000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:15 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f480000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 596.400324][T17468] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 596.410127][T17468] EXT4-fs (loop0): group descriptors corrupted! [ 596.423455][T17493] loop2: detected capacity change from 0 to 11 [ 596.436295][T17503] loop5: detected capacity change from 0 to 4 21:19:15 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000020000000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 596.445953][T17492] loop4: detected capacity change from 0 to 4 [ 596.449614][T17503] EXT4-fs (loop5): Can't read superblock on 2nd try [ 596.459667][T17492] EXT4-fs (loop4): Can't read superblock on 2nd try [ 596.467906][T17493] FAT-fs (loop2): Unrecognized mount option "uid" or missing value 21:19:15 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300003000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:19:15 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f600000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:15 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000ffeff00000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 596.498355][T17514] loop1: detected capacity change from 0 to 4 [ 596.505387][T17516] loop3: detected capacity change from 0 to 4 [ 596.515944][T17493] loop2: detected capacity change from 0 to 11 [ 596.538032][T17524] loop0: detected capacity change from 0 to 512 21:19:15 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)={[{@fat=@uid, 0x22}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 596.549509][T17516] EXT4-fs (loop3): fragment/cluster size (4096) != block size (1024) [ 596.564969][T17514] EXT4-fs (loop1): Can't read superblock on 2nd try [ 596.571020][T17528] loop4: detected capacity change from 0 to 4 [ 596.572035][T17530] loop5: detected capacity change from 0 to 4 [ 596.585965][T17524] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 596.595732][T17524] EXT4-fs (loop0): group descriptors corrupted! [ 596.611204][T17528] EXT4-fs (loop4): Can't read superblock on 2nd try [ 596.620237][T17516] loop3: detected capacity change from 0 to 4 [ 596.627738][T17530] EXT4-fs (loop5): Can't read superblock on 2nd try 21:19:15 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000b4000000003000000300000000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:15 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f680000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 596.642898][T17516] EXT4-fs (loop3): fragment/cluster size (4096) != block size (1024) [ 596.660351][T17528] loop4: detected capacity change from 0 to 4 [ 596.662414][T17545] loop2: detected capacity change from 0 to 11 [ 596.689035][T17545] FAT-fs (loop2): Unrecognized mount option "uid=0x0000000000000000"nodots" or missing value 21:19:16 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 596.703075][T17549] loop1: detected capacity change from 0 to 4 [ 596.709183][T17528] EXT4-fs (loop4): Can't read superblock on 2nd try [ 596.723152][T17549] EXT4-fs (loop1): Can't read superblock on 2nd try [ 596.724135][T17524] loop0: detected capacity change from 0 to 512 [ 596.737825][T17545] loop2: detected capacity change from 0 to 11 [ 596.744420][T17545] FAT-fs (loop2): Unrecognized mount option "uid=0x0000000000000000"nodots" or missing value [ 596.756518][T17524] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 596.760600][T17561] loop5: detected capacity change from 0 to 4 [ 596.766262][T17524] EXT4-fs (loop0): group descriptors corrupted! [ 596.786801][T17565] loop3: detected capacity change from 0 to 4 [ 596.795406][T17561] EXT4-fs (loop5): Can't read superblock on 2nd try 21:19:16 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="208d01004000000003000000300000000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:16 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000002000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 596.802156][T17565] EXT4-fs (loop3): fragment/cluster size (4096) != block size (2048) [ 596.824655][T17571] loop1: detected capacity change from 0 to 4 [ 596.833682][T17571] EXT4-fs (loop1): Can't read superblock on 2nd try [ 596.833979][T17574] loop4: detected capacity change from 0 to 4 21:19:16 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300004000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 596.853963][T17565] loop3: detected capacity change from 0 to 4 [ 596.856484][T17561] loop5: detected capacity change from 0 to 4 [ 596.860442][T17565] EXT4-fs (loop3): fragment/cluster size (4096) != block size (2048) [ 596.881813][T17582] loop0: detected capacity change from 0 to 512 [ 596.890752][T17582] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock 21:19:16 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)={[{@fat=@uid}, {@nodots, 0x22}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:19:16 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200040004000000003000000300000000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 596.900528][T17582] EXT4-fs (loop0): group descriptors corrupted! [ 596.912844][T17561] EXT4-fs (loop5): Can't read superblock on 2nd try [ 596.920657][T17574] EXT4-fs (loop4): Can't read superblock on 2nd try [ 596.929046][T17590] loop1: detected capacity change from 0 to 4 [ 596.938323][T17590] EXT4-fs (loop1): Can't read superblock on 2nd try [ 596.945911][T17582] loop0: detected capacity change from 0 to 512 21:19:16 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f6c0000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:16 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200500004000000003000000300000000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 596.952749][T17582] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 596.962513][T17582] EXT4-fs (loop0): group descriptors corrupted! [ 596.989324][T17574] loop4: detected capacity change from 0 to 4 21:19:16 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f020000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 597.003115][T17603] loop2: detected capacity change from 0 to 11 [ 597.013491][T17607] loop5: detected capacity change from 0 to 4 [ 597.026417][T17603] FAT-fs (loop2): Unrecognized mount option "nodots"" or missing value [ 597.028981][T17574] EXT4-fs (loop4): Can't read superblock on 2nd try [ 597.037412][T17610] loop1: detected capacity change from 0 to 4 [ 597.047883][T17607] EXT4-fs (loop5): Can't read superblock on 2nd try 21:19:16 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300005000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:19:16 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000004000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 597.056274][T17610] EXT4-fs (loop1): Can't read superblock on 2nd try [ 597.060619][T17615] loop3: detected capacity change from 0 to 4 [ 597.069661][T17615] EXT4-fs (loop3): Can't read superblock on 2nd try 21:19:16 executing program 1 (fault-call:0 fault-nth:0): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 597.099551][T17619] loop4: detected capacity change from 0 to 4 [ 597.107635][T17619] EXT4-fs (loop4): Can't read superblock on 2nd try [ 597.108367][T17607] loop5: detected capacity change from 0 to 4 [ 597.123405][T17603] loop2: detected capacity change from 0 to 11 [ 597.123524][T17615] loop3: detected capacity change from 0 to 4 [ 597.137400][T17615] EXT4-fs (loop3): Can't read superblock on 2nd try [ 597.146828][T17607] EXT4-fs (loop5): Can't read superblock on 2nd try [ 597.150898][T17633] FAULT_INJECTION: forcing a failure. [ 597.150898][T17633] name failslab, interval 1, probability 0, space 0, times 0 [ 597.159732][T17636] loop0: detected capacity change from 0 to 512 [ 597.166101][T17633] CPU: 1 PID: 17633 Comm: syz-executor.1 Not tainted 5.14.0-rc4-syzkaller #0 [ 597.173749][T17636] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 597.181088][T17633] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 597.181100][T17633] Call Trace: [ 597.181107][T17633] dump_stack_lvl+0xb7/0x103 [ 597.190823][T17636] EXT4-fs (loop0): group descriptors corrupted! [ 597.200833][T17633] dump_stack+0x11/0x1a [ 597.219091][T17633] should_fail+0x23c/0x250 [ 597.223496][T17633] ? __se_sys_memfd_create+0xfb/0x390 [ 597.228863][T17633] __should_failslab+0x81/0x90 [ 597.233604][T17633] should_failslab+0x5/0x20 [ 597.238101][T17633] __kmalloc+0x66/0x340 [ 597.242281][T17633] ? strnlen_user+0x137/0x1c0 [ 597.246934][T17633] __se_sys_memfd_create+0xfb/0x390 [ 597.252115][T17633] __x64_sys_memfd_create+0x2d/0x40 [ 597.257320][T17633] do_syscall_64+0x3d/0x90 [ 597.261782][T17633] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 597.267959][T17633] RIP: 0033:0x4665e9 [ 597.272362][T17633] 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 [ 597.291971][T17633] RSP: 002b:00007f4126cd6f48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f 21:19:16 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 597.300389][T17633] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00000000004665e9 [ 597.308338][T17633] RDX: 0000000000000800 RSI: 0000000000000000 RDI: 00000000004bee86 [ 597.316357][T17633] RBP: 0000000000000001 R08: 0000000000000400 R09: ffffffffffffffff [ 597.324313][T17633] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000008100000 [ 597.332260][T17633] R13: 0000000020000100 R14: 0000000000000800 R15: 0000000020000040 21:19:16 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f030000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:16 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f740000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:16 executing program 1 (fault-call:0 fault-nth:1): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 597.365210][T17619] loop4: detected capacity change from 0 to 4 [ 597.375577][T17636] loop0: detected capacity change from 0 to 512 [ 597.386236][T17619] EXT4-fs (loop4): Can't read superblock on 2nd try [ 597.394321][T17636] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 597.404066][T17636] EXT4-fs (loop0): group descriptors corrupted! [ 597.411874][T17652] loop5: detected capacity change from 0 to 4 [ 597.417757][T17649] loop3: detected capacity change from 0 to 4 [ 597.422829][T17654] FAULT_INJECTION: forcing a failure. [ 597.422829][T17654] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 597.430705][T17656] loop2: detected capacity change from 0 to 11 [ 597.437005][T17654] CPU: 1 PID: 17654 Comm: syz-executor.1 Not tainted 5.14.0-rc4-syzkaller #0 [ 597.451943][T17654] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 597.462000][T17654] Call Trace: [ 597.465264][T17654] dump_stack_lvl+0xb7/0x103 [ 597.469839][T17654] dump_stack+0x11/0x1a [ 597.474016][T17654] should_fail+0x23c/0x250 [ 597.478418][T17654] should_fail_usercopy+0x16/0x20 [ 597.483469][T17654] _copy_from_user+0x1c/0xd0 [ 597.488043][T17654] __se_sys_memfd_create+0x137/0x390 [ 597.493316][T17654] __x64_sys_memfd_create+0x2d/0x40 [ 597.498514][T17654] do_syscall_64+0x3d/0x90 [ 597.502944][T17654] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 597.508887][T17654] RIP: 0033:0x4665e9 [ 597.512766][T17654] 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 [ 597.532446][T17654] RSP: 002b:00007f4126cd6f48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f [ 597.540838][T17654] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00000000004665e9 [ 597.548790][T17654] RDX: 0000000000000800 RSI: 0000000000000000 RDI: 00000000004bee86 [ 597.556746][T17654] RBP: 0000000000000001 R08: 0000000000000400 R09: ffffffffffffffff 21:19:16 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300006000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:19:16 executing program 1 (fault-call:0 fault-nth:2): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:16 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000008000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 597.564723][T17654] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000008100000 [ 597.572686][T17654] R13: 0000000020000100 R14: 0000000000000800 R15: 0000000020000040 [ 597.587470][T17652] EXT4-fs (loop5): Can't read superblock on 2nd try [ 597.633811][T17652] loop5: detected capacity change from 0 to 4 [ 597.640843][T17674] loop4: detected capacity change from 0 to 4 [ 597.641756][T17671] loop0: detected capacity change from 0 to 512 [ 597.656604][T17674] EXT4-fs (loop4): Can't read superblock on 2nd try [ 597.659582][T17675] FAULT_INJECTION: forcing a failure. [ 597.659582][T17675] name failslab, interval 1, probability 0, space 0, times 0 [ 597.675845][T17675] CPU: 0 PID: 17675 Comm: syz-executor.1 Not tainted 5.14.0-rc4-syzkaller #0 [ 597.684609][T17675] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 597.694664][T17675] Call Trace: [ 597.697949][T17675] dump_stack_lvl+0xb7/0x103 [ 597.702543][T17675] dump_stack+0x11/0x1a [ 597.706696][T17675] should_fail+0x23c/0x250 [ 597.711155][T17675] ? shmem_alloc_inode+0x22/0x30 [ 597.716126][T17675] __should_failslab+0x81/0x90 [ 597.720890][T17675] ? shmem_match+0xa0/0xa0 [ 597.725303][T17675] should_failslab+0x5/0x20 [ 597.729807][T17675] kmem_cache_alloc+0x46/0x2e0 [ 597.730729][T17649] EXT4-fs (loop3): Can't read superblock on 2nd try [ 597.734604][T17675] ? fsnotify_perm+0x59/0x2e0 [ 597.734625][T17675] ? shmem_match+0xa0/0xa0 [ 597.750260][T17675] shmem_alloc_inode+0x22/0x30 [ 597.755014][T17675] new_inode_pseudo+0x38/0x1c0 [ 597.759802][T17675] new_inode+0x21/0x120 [ 597.764031][T17675] shmem_get_inode+0xa1/0x480 [ 597.768708][T17675] __shmem_file_setup+0xf1/0x1d0 [ 597.773643][T17675] shmem_file_setup+0x37/0x40 [ 597.773980][T17671] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 597.778308][T17675] __se_sys_memfd_create+0x1eb/0x390 [ 597.778335][T17675] __x64_sys_memfd_create+0x2d/0x40 [ 597.788034][T17671] EXT4-fs (loop0): group descriptors corrupted! [ 597.793323][T17675] do_syscall_64+0x3d/0x90 [ 597.793345][T17675] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 597.812069][T17652] EXT4-fs (loop5): Can't read superblock on 2nd try [ 597.814996][T17675] RIP: 0033:0x4665e9 [ 597.815012][T17675] 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 [ 597.815029][T17675] RSP: 002b:00007f4126cd6f48 EFLAGS: 00000246 [ 597.826752][T17656] loop2: detected capacity change from 0 to 11 [ 597.845047][T17675] ORIG_RAX: 000000000000013f [ 597.861899][T17675] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00000000004665e9 [ 597.869906][T17675] RDX: 0000000000000800 RSI: 0000000000000000 RDI: 00000000004bee86 [ 597.877051][T17656] FAT-fs (loop2): bogus number of reserved sectors 21:19:17 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f7a0000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:17 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f400008000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:17 executing program 1 (fault-call:0 fault-nth:3): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 597.877869][T17675] RBP: 0000000000000001 R08: 0000000000000400 R09: ffffffffffffffff [ 597.877884][T17675] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000008100000 [ 597.877894][T17675] R13: 0000000020000100 R14: 0000000000000800 R15: 0000000020000040 [ 597.884414][T17656] FAT-fs (loop2): Can't find a valid FAT filesystem [ 597.924471][T17689] FAULT_INJECTION: forcing a failure. [ 597.924471][T17689] name failslab, interval 1, probability 0, space 0, times 0 [ 597.937078][T17689] CPU: 1 PID: 17689 Comm: syz-executor.1 Not tainted 5.14.0-rc4-syzkaller #0 [ 597.945906][T17689] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 597.955941][T17689] Call Trace: [ 597.959201][T17689] dump_stack_lvl+0xb7/0x103 [ 597.963796][T17689] dump_stack+0x11/0x1a [ 597.967936][T17689] should_fail+0x23c/0x250 [ 597.972450][T17689] ? security_inode_alloc+0x30/0x180 [ 597.977718][T17689] __should_failslab+0x81/0x90 [ 597.982462][T17689] should_failslab+0x5/0x20 [ 597.986955][T17689] kmem_cache_alloc+0x46/0x2e0 [ 597.991733][T17689] security_inode_alloc+0x30/0x180 [ 597.996824][T17689] inode_init_always+0x20b/0x420 [ 598.001740][T17689] ? shmem_match+0xa0/0xa0 [ 598.006132][T17689] new_inode_pseudo+0x73/0x1c0 [ 598.010875][T17689] new_inode+0x21/0x120 [ 598.015088][T17689] shmem_get_inode+0xa1/0x480 [ 598.019739][T17689] __shmem_file_setup+0xf1/0x1d0 [ 598.024655][T17689] shmem_file_setup+0x37/0x40 [ 598.029311][T17689] __se_sys_memfd_create+0x1eb/0x390 [ 598.034656][T17689] __x64_sys_memfd_create+0x2d/0x40 [ 598.039839][T17689] do_syscall_64+0x3d/0x90 [ 598.044344][T17689] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 598.050254][T17689] RIP: 0033:0x4665e9 [ 598.054124][T17689] 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 [ 598.073715][T17689] RSP: 002b:00007f4126cd6f48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f [ 598.082191][T17689] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00000000004665e9 [ 598.090229][T17689] RDX: 0000000000000800 RSI: 0000000000000000 RDI: 00000000004bee86 [ 598.098188][T17689] RBP: 0000000000000001 R08: 0000000000000400 R09: ffffffffffffffff [ 598.106140][T17689] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000008100000 [ 598.114108][T17689] R13: 0000000020000100 R14: 0000000000000800 R15: 0000000020000040 21:19:17 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f040000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:17 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}], [], 0x2}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:19:17 executing program 1 (fault-call:0 fault-nth:4): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 598.134820][T17671] loop0: detected capacity change from 0 to 512 [ 598.152695][T17697] loop3: detected capacity change from 0 to 4 [ 598.162308][T17671] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 598.172076][T17671] EXT4-fs (loop0): group descriptors corrupted! [ 598.178442][T17700] loop4: detected capacity change from 0 to 4 [ 598.193405][T17700] EXT4-fs (loop4): Can't read superblock on 2nd try [ 598.202390][T17706] loop2: detected capacity change from 0 to 11 [ 598.209908][T17697] EXT4-fs (loop3): Can't read superblock on 2nd try [ 598.212718][T17705] loop5: detected capacity change from 0 to 4 [ 598.230540][T17710] FAULT_INJECTION: forcing a failure. [ 598.230540][T17710] name failslab, interval 1, probability 0, space 0, times 0 [ 598.235947][T17706] FAT-fs (loop2): Unrecognized mount option "" or missing value [ 598.243200][T17710] CPU: 1 PID: 17710 Comm: syz-executor.1 Not tainted 5.14.0-rc4-syzkaller #0 [ 598.259587][T17710] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 598.269622][T17710] Call Trace: [ 598.272887][T17710] dump_stack_lvl+0xb7/0x103 [ 598.277474][T17710] dump_stack+0x11/0x1a [ 598.281704][T17710] should_fail+0x23c/0x250 [ 598.286113][T17710] ? __d_alloc+0x36/0x370 [ 598.290424][T17710] __should_failslab+0x81/0x90 [ 598.295170][T17710] should_failslab+0x5/0x20 [ 598.299657][T17710] kmem_cache_alloc+0x46/0x2e0 [ 598.304407][T17710] ? __init_rwsem+0x59/0x70 [ 598.308890][T17710] __d_alloc+0x36/0x370 [ 598.313027][T17710] ? current_time+0xdb/0x190 [ 598.317733][T17710] d_alloc_pseudo+0x1a/0x50 [ 598.322218][T17710] alloc_file_pseudo+0x63/0x130 [ 598.327053][T17710] __shmem_file_setup+0x14c/0x1d0 [ 598.332060][T17710] shmem_file_setup+0x37/0x40 [ 598.336730][T17710] __se_sys_memfd_create+0x1eb/0x390 [ 598.342002][T17710] __x64_sys_memfd_create+0x2d/0x40 [ 598.347198][T17710] do_syscall_64+0x3d/0x90 [ 598.351693][T17710] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 598.357599][T17710] RIP: 0033:0x4665e9 [ 598.361472][T17710] 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 [ 598.381093][T17710] RSP: 002b:00007f4126cd6f48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f 21:19:17 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f00000c000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:17 executing program 1 (fault-call:0 fault-nth:5): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 598.389502][T17710] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00000000004665e9 [ 598.397558][T17710] RDX: 0000000000000800 RSI: 0000000000000000 RDI: 00000000004bee86 [ 598.405510][T17710] RBP: 0000000000000001 R08: 0000000000000400 R09: ffffffffffffffff [ 598.413466][T17710] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000008100000 [ 598.421416][T17710] R13: 0000000020000100 R14: 0000000000000800 R15: 0000000020000040 [ 598.436304][T17705] EXT4-fs (loop5): Can't read superblock on 2nd try 21:19:17 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300007000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 598.467798][T17697] loop3: detected capacity change from 0 to 4 [ 598.484077][T17697] EXT4-fs (loop3): Can't read superblock on 2nd try [ 598.495493][T17724] FAULT_INJECTION: forcing a failure. [ 598.495493][T17724] name failslab, interval 1, probability 0, space 0, times 0 [ 598.501424][T17727] loop4: detected capacity change from 0 to 4 [ 598.508119][T17724] CPU: 1 PID: 17724 Comm: syz-executor.1 Not tainted 5.14.0-rc4-syzkaller #0 [ 598.522899][T17724] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 598.532964][T17724] Call Trace: [ 598.536229][T17724] dump_stack_lvl+0xb7/0x103 [ 598.540860][T17724] dump_stack+0x11/0x1a [ 598.544997][T17724] should_fail+0x23c/0x250 [ 598.549414][T17724] ? __alloc_file+0x2e/0x1a0 [ 598.553989][T17724] __should_failslab+0x81/0x90 [ 598.558736][T17724] should_failslab+0x5/0x20 [ 598.563219][T17724] kmem_cache_alloc+0x46/0x2e0 [ 598.567969][T17724] ? inode_doinit_with_dentry+0x382/0x950 [ 598.573670][T17724] __alloc_file+0x2e/0x1a0 [ 598.578076][T17724] alloc_empty_file+0xcd/0x1c0 [ 598.582902][T17724] alloc_file+0x3a/0x280 [ 598.587149][T17724] alloc_file_pseudo+0xe2/0x130 [ 598.591988][T17724] __shmem_file_setup+0x14c/0x1d0 [ 598.597051][T17724] shmem_file_setup+0x37/0x40 [ 598.601707][T17724] __se_sys_memfd_create+0x1eb/0x390 [ 598.607031][T17724] __x64_sys_memfd_create+0x2d/0x40 [ 598.612221][T17724] do_syscall_64+0x3d/0x90 [ 598.616694][T17724] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 598.622579][T17724] RIP: 0033:0x4665e9 [ 598.626455][T17724] 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 [ 598.646045][T17724] RSP: 002b:00007f4126cd6f48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f [ 598.654438][T17724] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00000000004665e9 21:19:17 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}], [], 0x3}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 598.662448][T17724] RDX: 0000000000000800 RSI: 0000000000000000 RDI: 00000000004bee86 [ 598.670405][T17724] RBP: 0000000000000001 R08: 0000000000000400 R09: ffffffffffffffff [ 598.678358][T17724] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000008100000 [ 598.686336][T17724] R13: 0000000020000100 R14: 0000000000000800 R15: 0000000020000040 [ 598.694516][T17705] loop5: detected capacity change from 0 to 4 [ 598.698964][T17729] loop0: detected capacity change from 0 to 512 21:19:18 executing program 1 (fault-call:0 fault-nth:6): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:18 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f050000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:18 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000ffe0000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 598.713859][T17733] loop2: detected capacity change from 0 to 11 [ 598.721635][T17733] FAT-fs (loop2): Unrecognized mount option "" or missing value [ 598.748339][T17729] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 598.757137][T17740] loop3: detected capacity change from 0 to 4 [ 598.758115][T17729] EXT4-fs (loop0): group descriptors corrupted! [ 598.766621][T17741] FAULT_INJECTION: forcing a failure. [ 598.766621][T17741] name failslab, interval 1, probability 0, space 0, times 0 [ 598.782985][T17741] CPU: 1 PID: 17741 Comm: syz-executor.1 Not tainted 5.14.0-rc4-syzkaller #0 [ 598.783441][T17740] EXT4-fs (loop3): Can't read superblock on 2nd try [ 598.791735][T17741] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 598.791747][T17741] Call Trace: [ 598.791754][T17741] dump_stack_lvl+0xb7/0x103 [ 598.791772][T17741] dump_stack+0x11/0x1a [ 598.798485][T17727] EXT4-fs (loop4): Can't read superblock on 2nd try [ 598.808401][T17741] should_fail+0x23c/0x250 [ 598.831410][T17741] ? security_file_alloc+0x30/0x190 [ 598.836657][T17741] __should_failslab+0x81/0x90 [ 598.841486][T17741] should_failslab+0x5/0x20 [ 598.845978][T17741] kmem_cache_alloc+0x46/0x2e0 [ 598.850730][T17741] security_file_alloc+0x30/0x190 [ 598.855760][T17741] __alloc_file+0x83/0x1a0 [ 598.860218][T17741] alloc_empty_file+0xcd/0x1c0 [ 598.865034][T17741] alloc_file+0x3a/0x280 [ 598.869266][T17741] alloc_file_pseudo+0xe2/0x130 [ 598.874163][T17741] __shmem_file_setup+0x14c/0x1d0 [ 598.879167][T17741] shmem_file_setup+0x37/0x40 [ 598.883884][T17741] __se_sys_memfd_create+0x1eb/0x390 [ 598.889302][T17741] __x64_sys_memfd_create+0x2d/0x40 [ 598.894483][T17741] do_syscall_64+0x3d/0x90 [ 598.898894][T17741] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 598.904766][T17741] RIP: 0033:0x4665e9 [ 598.908688][T17741] 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 [ 598.928371][T17741] RSP: 002b:00007f4126cd6f48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f [ 598.936779][T17741] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00000000004665e9 [ 598.944735][T17741] RDX: 0000000000000800 RSI: 0000000000000000 RDI: 00000000004bee86 [ 598.952684][T17741] RBP: 0000000000000001 R08: 0000000000000400 R09: ffffffffffffffff [ 598.960635][T17741] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000008100000 21:19:18 executing program 1 (fault-call:0 fault-nth:7): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 598.968854][T17741] R13: 0000000020000100 R14: 0000000000000800 R15: 0000000020000040 [ 598.988308][T17749] loop5: detected capacity change from 0 to 4 [ 598.995689][T17749] EXT4-fs (loop5): Can't read superblock on 2nd try [ 599.018261][T17753] FAULT_INJECTION: forcing a failure. [ 599.018261][T17753] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 599.031467][T17753] CPU: 0 PID: 17753 Comm: syz-executor.1 Not tainted 5.14.0-rc4-syzkaller #0 [ 599.040209][T17753] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 599.050247][T17753] Call Trace: [ 599.053508][T17753] dump_stack_lvl+0xb7/0x103 [ 599.058082][T17753] dump_stack+0x11/0x1a [ 599.062221][T17753] should_fail+0x23c/0x250 [ 599.066629][T17753] __alloc_pages+0x102/0x320 [ 599.071202][T17753] alloc_pages_vma+0x513/0x680 [ 599.075947][T17753] shmem_getpage_gfp+0x954/0x13d0 [ 599.080950][T17753] ? sidtab_context_to_sid+0x5a/0x740 [ 599.086359][T17753] ? policydb_context_isvalid+0x135/0x230 [ 599.092108][T17753] shmem_write_begin+0x7e/0x100 [ 599.096948][T17753] generic_perform_write+0x196/0x3c0 [ 599.102302][T17753] __generic_file_write_iter+0x161/0x300 [ 599.107921][T17753] ? generic_write_checks+0x250/0x290 [ 599.113273][T17753] generic_file_write_iter+0x75/0x130 [ 599.118634][T17753] vfs_write+0x69d/0x770 [ 599.122942][T17753] __x64_sys_pwrite64+0xf5/0x150 [ 599.127858][T17753] do_syscall_64+0x3d/0x90 [ 599.132256][T17753] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 599.138156][T17753] RIP: 0033:0x419787 [ 599.142033][T17753] 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 [ 599.161618][T17753] RSP: 002b:00007f4126cd6f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 [ 599.170013][T17753] RAX: ffffffffffffffda RBX: 00000000004afcc0 RCX: 0000000000419787 [ 599.177971][T17753] RDX: 000000000000003a RSI: 0000000020010000 RDI: 0000000000000004 [ 599.185929][T17753] RBP: 0000000000000001 R08: 0000000000000000 R09: ffffffffffffffff [ 599.194103][T17753] R10: 0000000000000400 R11: 0000000000000293 R12: 0000000000000004 [ 599.202073][T17753] R13: 0000000000000004 R14: 0000000020000200 R15: 0000000000000000 [ 599.212852][T17753] loop1: detected capacity change from 0 to 4 [ 599.226372][T17753] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 599.228572][T17740] loop3: detected capacity change from 0 to 4 [ 599.239385][T17733] loop2: detected capacity change from 0 to 2176 [ 599.246216][T17749] loop5: detected capacity change from 0 to 4 [ 599.250371][T17729] loop0: detected capacity change from 0 to 512 [ 599.252739][T17727] loop4: detected capacity change from 0 to 4 [ 599.265759][T17749] EXT4-fs (loop5): Can't read superblock on 2nd try 21:19:18 executing program 1 (fault-call:0 fault-nth:8): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:18 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}], [], 0x4}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 599.270562][T17740] EXT4-fs (loop3): Can't read superblock on 2nd try [ 599.274609][T17729] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 599.279302][T17727] EXT4-fs (loop4): Can't read superblock on 2nd try [ 599.288702][T17729] EXT4-fs (loop0): group descriptors corrupted! 21:19:18 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f060000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:18 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f8c0100000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 599.361069][T17776] loop3: detected capacity change from 0 to 4 [ 599.373660][T17777] loop5: detected capacity change from 0 to 4 [ 599.377986][T17779] FAULT_INJECTION: forcing a failure. [ 599.377986][T17779] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 599.385795][T17783] loop2: detected capacity change from 0 to 11 [ 599.392832][T17779] CPU: 1 PID: 17779 Comm: syz-executor.1 Not tainted 5.14.0-rc4-syzkaller #0 [ 599.401937][T17783] FAT-fs (loop2): Unrecognized mount option "" or missing value [ 599.407729][T17779] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 599.407741][T17779] Call Trace: [ 599.407748][T17779] dump_stack_lvl+0xb7/0x103 [ 599.407790][T17779] dump_stack+0x11/0x1a [ 599.417521][T17777] EXT4-fs (loop5): Can't read superblock on 2nd try [ 599.425532][T17779] should_fail+0x23c/0x250 [ 599.425557][T17779] should_fail_usercopy+0x16/0x20 [ 599.425579][T17779] copy_page_from_iter_atomic+0x2c1/0xba0 21:19:18 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000010000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:18 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300008000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 599.430315][T17776] EXT4-fs (loop3): Can't read superblock on 2nd try [ 599.433434][T17779] ? shmem_write_begin+0x7e/0x100 [ 599.470892][T17779] generic_perform_write+0x1df/0x3c0 [ 599.470940][T17790] loop0: detected capacity change from 0 to 512 [ 599.476188][T17779] __generic_file_write_iter+0x161/0x300 [ 599.483882][T17790] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 599.488045][T17779] ? generic_write_checks+0x250/0x290 [ 599.488069][T17779] generic_file_write_iter+0x75/0x130 [ 599.497784][T17790] EXT4-fs (loop0): group descriptors corrupted! [ 599.503119][T17779] vfs_write+0x69d/0x770 [ 599.503139][T17779] __x64_sys_pwrite64+0xf5/0x150 [ 599.514327][T17793] loop4: detected capacity change from 0 to 4 [ 599.514688][T17779] do_syscall_64+0x3d/0x90 [ 599.520774][T17793] EXT4-fs (loop4): Can't read superblock on 2nd try [ 599.523829][T17779] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 599.523855][T17779] RIP: 0033:0x419787 [ 599.523868][T17779] Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b [ 599.570195][T17779] RSP: 002b:00007f4126cd6f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 [ 599.578586][T17779] RAX: ffffffffffffffda RBX: 00000000004afcc0 RCX: 0000000000419787 [ 599.586587][T17779] RDX: 000000000000003a RSI: 0000000020010000 RDI: 0000000000000004 [ 599.594536][T17779] RBP: 0000000000000001 R08: 0000000000000000 R09: ffffffffffffffff [ 599.602485][T17779] R10: 0000000000000400 R11: 0000000000000293 R12: 0000000000000004 21:19:18 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f070000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 599.610550][T17779] R13: 0000000000000004 R14: 0000000020000200 R15: 0000000000000000 [ 599.618667][T17779] loop1: detected capacity change from 0 to 4 [ 599.626392][T17779] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 599.668867][T17777] loop5: detected capacity change from 0 to 4 [ 599.675092][T17790] loop0: detected capacity change from 0 to 512 [ 599.681893][T17793] loop4: detected capacity change from 0 to 4 [ 599.693654][T17783] loop2: detected capacity change from 0 to 2176 [ 599.698390][T17790] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 599.709768][T17790] EXT4-fs (loop0): group descriptors corrupted! 21:19:18 executing program 1 (fault-call:0 fault-nth:9): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 599.717029][T17793] EXT4-fs (loop4): Can't read superblock on 2nd try [ 599.731254][T17777] EXT4-fs (loop5): Can't read superblock on 2nd try [ 599.746479][T17814] FAULT_INJECTION: forcing a failure. [ 599.746479][T17814] name failslab, interval 1, probability 0, space 0, times 0 [ 599.752121][T17816] loop3: detected capacity change from 0 to 4 21:19:19 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}], [], 0x5}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 599.759091][T17814] CPU: 1 PID: 17814 Comm: syz-executor.1 Not tainted 5.14.0-rc4-syzkaller #0 [ 599.773881][T17814] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 599.778528][T17816] EXT4-fs (loop3): Can't read superblock on 2nd try [ 599.783931][T17814] Call Trace: [ 599.783940][T17814] dump_stack_lvl+0xb7/0x103 [ 599.783960][T17814] dump_stack+0x11/0x1a [ 599.783974][T17814] should_fail+0x23c/0x250 [ 599.783993][T17814] ? getname_flags+0x84/0x3d0 [ 599.784010][T17814] __should_failslab+0x81/0x90 [ 599.784024][T17814] should_failslab+0x5/0x20 [ 599.820886][T17814] kmem_cache_alloc+0x46/0x2e0 [ 599.825640][T17814] getname_flags+0x84/0x3d0 [ 599.830122][T17814] ? vfs_write+0x50c/0x770 [ 599.834601][T17814] getname+0x15/0x20 [ 599.838486][T17814] do_sys_openat2+0x5b/0x250 [ 599.843053][T17814] __x64_sys_openat+0xef/0x110 [ 599.847795][T17814] do_syscall_64+0x3d/0x90 [ 599.852201][T17814] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 599.858225][T17814] RIP: 0033:0x4196d4 [ 599.862175][T17814] 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 [ 599.881759][T17814] RSP: 002b:00007f4126cd6ed0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 [ 599.890192][T17814] RAX: ffffffffffffffda RBX: 00000000004afcc0 RCX: 00000000004196d4 [ 599.898202][T17814] RDX: 0000000000000002 RSI: 00007f4126cd7000 RDI: 00000000ffffff9c [ 599.906189][T17814] RBP: 00007f4126cd7000 R08: 0000000000000000 R09: ffffffffffffffff 21:19:19 executing program 1 (fault-call:0 fault-nth:10): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 599.914140][T17814] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002 [ 599.922127][T17814] R13: 0000000000000004 R14: 0000000020000218 R15: 0000000000000001 [ 599.948786][T17820] FAULT_INJECTION: forcing a failure. [ 599.948786][T17820] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 599.961849][T17820] CPU: 1 PID: 17820 Comm: syz-executor.1 Not tainted 5.14.0-rc4-syzkaller #0 [ 599.970596][T17820] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 599.980637][T17820] Call Trace: [ 599.983897][T17820] dump_stack_lvl+0xb7/0x103 [ 599.988466][T17820] dump_stack+0x11/0x1a [ 599.992598][T17820] should_fail+0x23c/0x250 [ 599.997034][T17820] should_fail_usercopy+0x16/0x20 [ 600.002072][T17820] strncpy_from_user+0x21/0x250 [ 600.006940][T17820] getname_flags+0xb8/0x3d0 [ 600.011433][T17820] ? vfs_write+0x50c/0x770 [ 600.015923][T17820] getname+0x15/0x20 [ 600.019798][T17820] do_sys_openat2+0x5b/0x250 [ 600.024369][T17820] __x64_sys_openat+0xef/0x110 [ 600.029177][T17820] do_syscall_64+0x3d/0x90 [ 600.033646][T17820] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 600.039544][T17820] RIP: 0033:0x4196d4 [ 600.043432][T17820] 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 [ 600.063082][T17820] RSP: 002b:00007f4126cd6ed0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 [ 600.071493][T17820] RAX: ffffffffffffffda RBX: 00000000004afcc0 RCX: 00000000004196d4 [ 600.079449][T17820] RDX: 0000000000000002 RSI: 00007f4126cd7000 RDI: 00000000ffffff9c [ 600.087405][T17820] RBP: 00007f4126cd7000 R08: 0000000000000000 R09: ffffffffffffffff [ 600.095351][T17820] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002 [ 600.103312][T17820] R13: 0000000000000004 R14: 0000000020000218 R15: 0000000000000001 21:19:19 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300009000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:19:19 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f8d0100000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:19 executing program 1 (fault-call:0 fault-nth:11): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 600.128406][T17816] loop3: detected capacity change from 0 to 4 [ 600.158386][T17816] EXT4-fs (loop3): Can't read superblock on 2nd try 21:19:19 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000020000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 600.188232][T17833] loop0: detected capacity change from 0 to 512 [ 600.188751][T17831] loop2: detected capacity change from 0 to 11 [ 600.204736][T17836] loop5: detected capacity change from 0 to 4 [ 600.215118][T17837] FAULT_INJECTION: forcing a failure. [ 600.215118][T17837] name failslab, interval 1, probability 0, space 0, times 0 [ 600.227747][T17837] CPU: 0 PID: 17837 Comm: syz-executor.1 Not tainted 5.14.0-rc4-syzkaller #0 [ 600.235889][T17836] EXT4-fs (loop5): Can't read superblock on 2nd try [ 600.236542][T17837] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 600.253150][T17837] Call Trace: [ 600.256421][T17837] dump_stack_lvl+0xb7/0x103 [ 600.257765][T17833] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 600.261047][T17837] dump_stack+0x11/0x1a [ 600.270850][T17833] EXT4-fs (loop0): group descriptors corrupted! [ 600.281236][T17837] should_fail+0x23c/0x250 [ 600.285735][T17837] ? __alloc_file+0x2e/0x1a0 [ 600.286214][T17831] FAT-fs (loop2): Unrecognized mount option "" or missing value [ 600.290319][T17837] __should_failslab+0x81/0x90 [ 600.290339][T17837] should_failslab+0x5/0x20 [ 600.298822][T17844] loop4: detected capacity change from 0 to 4 [ 600.302805][T17837] kmem_cache_alloc+0x46/0x2e0 [ 600.314583][T17844] EXT4-fs (loop4): Can't read superblock on 2nd try [ 600.318093][T17837] __alloc_file+0x2e/0x1a0 [ 600.329061][T17837] alloc_empty_file+0xcd/0x1c0 [ 600.333816][T17837] path_openat+0x6a/0x1f20 [ 600.338210][T17837] ? finish_task_switch+0xce/0x290 [ 600.343299][T17837] ? __schedule+0x42a/0x670 [ 600.347784][T17837] ? shmem_write_end+0x37d/0x3d0 [ 600.352758][T17837] ? balance_dirty_pages_ratelimited+0xb1/0x280 [ 600.359082][T17837] ? generic_perform_write+0x34d/0x3c0 [ 600.364641][T17837] do_filp_open+0xe9/0x200 [ 600.369059][T17837] ? __virt_addr_valid+0x15a/0x1a0 [ 600.374164][T17837] ? _find_next_bit+0x16a/0x190 [ 600.378998][T17837] ? alloc_fd+0x388/0x3e0 [ 600.383386][T17837] do_sys_openat2+0xa3/0x250 [ 600.388033][T17837] __x64_sys_openat+0xef/0x110 [ 600.392776][T17837] do_syscall_64+0x3d/0x90 [ 600.397182][T17837] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 600.403132][T17837] RIP: 0033:0x4196d4 [ 600.407006][T17837] 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 [ 600.426649][T17837] RSP: 002b:00007f4126cd6ed0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 [ 600.435043][T17837] RAX: ffffffffffffffda RBX: 00000000004afcc0 RCX: 00000000004196d4 [ 600.443003][T17837] RDX: 0000000000000002 RSI: 00007f4126cd7000 RDI: 00000000ffffff9c [ 600.450971][T17837] RBP: 00007f4126cd7000 R08: 0000000000000000 R09: ffffffffffffffff [ 600.458977][T17837] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002 [ 600.466952][T17837] R13: 0000000000000004 R14: 0000000020000218 R15: 0000000000000001 21:19:19 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f080000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:19 executing program 1 (fault-call:0 fault-nth:12): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 600.492069][T17833] loop0: detected capacity change from 0 to 512 [ 600.498819][T17836] loop5: detected capacity change from 0 to 4 [ 600.508518][T17844] loop4: detected capacity change from 0 to 4 [ 600.515831][T17831] loop2: detected capacity change from 0 to 11 [ 600.522890][T17836] EXT4-fs (loop5): Can't read superblock on 2nd try [ 600.523681][T17833] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 600.533503][T17859] FAULT_INJECTION: forcing a failure. [ 600.533503][T17859] name failslab, interval 1, probability 0, space 0, times 0 [ 600.539321][T17833] EXT4-fs (loop0): group descriptors corrupted! [ 600.551900][T17859] CPU: 0 PID: 17859 Comm: syz-executor.1 Not tainted 5.14.0-rc4-syzkaller #0 [ 600.566876][T17859] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 600.572699][T17862] loop3: detected capacity change from 0 to 4 [ 600.576921][T17859] Call Trace: [ 600.576930][T17859] dump_stack_lvl+0xb7/0x103 [ 600.590876][T17859] dump_stack+0x11/0x1a [ 600.595021][T17859] should_fail+0x23c/0x250 [ 600.599429][T17859] ? security_file_alloc+0x30/0x190 [ 600.604615][T17859] __should_failslab+0x81/0x90 [ 600.609359][T17859] should_failslab+0x5/0x20 [ 600.613843][T17859] kmem_cache_alloc+0x46/0x2e0 [ 600.618651][T17859] security_file_alloc+0x30/0x190 [ 600.623676][T17859] __alloc_file+0x83/0x1a0 [ 600.628079][T17859] alloc_empty_file+0xcd/0x1c0 [ 600.632831][T17859] path_openat+0x6a/0x1f20 [ 600.637278][T17859] ? copy_page_from_iter_atomic+0x44b/0xba0 [ 600.643164][T17859] ? __set_page_dirty_no_writeback+0x7d/0xc0 [ 600.649162][T17859] ? unlock_page+0x4d/0x70 [ 600.653567][T17859] ? shmem_write_end+0x37d/0x3d0 [ 600.658487][T17859] ? balance_dirty_pages_ratelimited+0xb1/0x280 [ 600.664760][T17859] ? generic_perform_write+0x34d/0x3c0 [ 600.670205][T17859] do_filp_open+0xe9/0x200 [ 600.674615][T17859] ? __virt_addr_valid+0x15a/0x1a0 [ 600.679761][T17859] ? _find_next_bit+0x16a/0x190 [ 600.684612][T17859] ? alloc_fd+0x388/0x3e0 [ 600.688961][T17859] do_sys_openat2+0xa3/0x250 [ 600.693536][T17859] __x64_sys_openat+0xef/0x110 [ 600.698281][T17859] do_syscall_64+0x3d/0x90 [ 600.702735][T17859] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 600.708615][T17859] RIP: 0033:0x4196d4 [ 600.712490][T17859] 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 [ 600.732093][T17859] RSP: 002b:00007f4126cd6ed0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 [ 600.740562][T17859] RAX: ffffffffffffffda RBX: 00000000004afcc0 RCX: 00000000004196d4 [ 600.748519][T17859] RDX: 0000000000000002 RSI: 00007f4126cd7000 RDI: 00000000ffffff9c [ 600.756543][T17859] RBP: 00007f4126cd7000 R08: 0000000000000000 R09: ffffffffffffffff [ 600.764500][T17859] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002 [ 600.772458][T17859] R13: 0000000000000004 R14: 0000000020000218 R15: 0000000000000001 [ 600.783387][T17844] EXT4-fs (loop4): Can't read superblock on 2nd try 21:19:20 executing program 1 (fault-call:0 fault-nth:13): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:20 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}], [], 0x6}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 600.787677][T17862] EXT4-fs (loop3): Can't read superblock on 2nd try [ 600.809296][T17867] FAULT_INJECTION: forcing a failure. [ 600.809296][T17867] name failslab, interval 1, probability 0, space 0, times 0 [ 600.822036][T17867] CPU: 0 PID: 17867 Comm: syz-executor.1 Not tainted 5.14.0-rc4-syzkaller #0 [ 600.830888][T17867] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 600.840935][T17867] Call Trace: [ 600.844212][T17867] dump_stack_lvl+0xb7/0x103 [ 600.848864][T17867] dump_stack+0x11/0x1a [ 600.853016][T17867] should_fail+0x23c/0x250 [ 600.857462][T17867] ? kzalloc+0x16/0x20 [ 600.861521][T17867] __should_failslab+0x81/0x90 [ 600.866273][T17867] should_failslab+0x5/0x20 [ 600.870774][T17867] __kmalloc+0x66/0x340 [ 600.874911][T17867] ? __d_lookup_rcu+0x39e/0x3e0 [ 600.879787][T17867] kzalloc+0x16/0x20 [ 600.883664][T17867] alloc_workqueue+0x11e/0xaf0 [ 600.888426][T17867] ? blkdev_get_whole+0x308/0x350 [ 600.893457][T17867] ? bd_prepare_to_claim+0x1e5/0x270 [ 600.898726][T17867] ? loop_attr_do_show_dio+0x70/0x70 [ 600.903993][T17867] ? loop_set_status_from_info+0x35e/0x3a0 [ 600.909800][T17867] loop_configure+0x681/0xeb0 [ 600.914474][T17867] lo_ioctl+0x59b/0x1340 [ 600.918701][T17867] ? path_openat+0x18e4/0x1f20 [ 600.923454][T17867] ? putname+0xa5/0xc0 [ 600.927575][T17867] ? ___cache_free+0x3c/0x300 [ 600.932233][T17867] ? blkdev_common_ioctl+0x9c3/0x1040 [ 600.937592][T17867] ? selinux_file_ioctl+0x8e0/0x970 [ 600.942820][T17867] ? lo_release+0x120/0x120 [ 600.947333][T17867] blkdev_ioctl+0x1d0/0x3c0 [ 600.951818][T17867] block_ioctl+0x6d/0x80 [ 600.956045][T17867] ? blkdev_iopoll+0x70/0x70 [ 600.960663][T17867] __se_sys_ioctl+0xcb/0x140 [ 600.965233][T17867] __x64_sys_ioctl+0x3f/0x50 [ 600.969844][T17867] do_syscall_64+0x3d/0x90 [ 600.974261][T17867] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 600.980243][T17867] RIP: 0033:0x4663a7 [ 600.984115][T17867] 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 [ 601.003701][T17867] RSP: 002b:00007f4126cd6f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 601.012110][T17867] RAX: ffffffffffffffda RBX: 00000000004afcc0 RCX: 00000000004663a7 [ 601.020064][T17867] RDX: 0000000000000004 RSI: 0000000000004c00 RDI: 0000000000000005 [ 601.028020][T17867] RBP: 0000000000000005 R08: 0000000000000000 R09: ffffffffffffffff [ 601.035977][T17867] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 21:19:20 executing program 1 (fault-call:0 fault-nth:14): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:20 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f8e0100000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 601.043977][T17867] R13: 0000000000000004 R14: 0000000020000218 R15: 0000000000000001 21:19:20 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000004020000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:20 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000400000000300000030000a000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 601.088769][T17862] loop3: detected capacity change from 0 to 4 [ 601.093016][T17873] loop5: detected capacity change from 0 to 4 [ 601.101922][T17873] EXT4-fs (loop5): Can't read superblock on 2nd try [ 601.102044][T17862] EXT4-fs (loop3): Can't read superblock on 2nd try [ 601.113145][T17877] FAULT_INJECTION: forcing a failure. [ 601.113145][T17877] name failslab, interval 1, probability 0, space 0, times 0 [ 601.127720][T17877] CPU: 0 PID: 17877 Comm: syz-executor.1 Not tainted 5.14.0-rc4-syzkaller #0 [ 601.136515][T17877] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 601.146567][T17877] Call Trace: [ 601.149834][T17877] dump_stack_lvl+0xb7/0x103 [ 601.154414][T17877] dump_stack+0x11/0x1a [ 601.158577][T17877] should_fail+0x23c/0x250 [ 601.163006][T17877] __should_failslab+0x81/0x90 [ 601.167750][T17877] ? alloc_workqueue+0x14c/0xaf0 [ 601.172749][T17877] should_failslab+0x5/0x20 [ 601.177238][T17877] kmem_cache_alloc_trace+0x49/0x310 [ 601.182510][T17877] alloc_workqueue+0x14c/0xaf0 [ 601.187259][T17877] ? blkdev_get_whole+0x308/0x350 [ 601.192270][T17877] ? bd_prepare_to_claim+0x1e5/0x270 [ 601.197547][T17877] ? loop_attr_do_show_dio+0x70/0x70 [ 601.202819][T17877] ? loop_set_status_from_info+0x35e/0x3a0 [ 601.208608][T17877] loop_configure+0x681/0xeb0 [ 601.213335][T17877] lo_ioctl+0x59b/0x1340 [ 601.217561][T17877] ? path_openat+0x18e4/0x1f20 [ 601.222311][T17877] ? putname+0xa5/0xc0 [ 601.226435][T17877] ? ___cache_free+0x3c/0x300 [ 601.231097][T17877] ? blkdev_common_ioctl+0x9c3/0x1040 [ 601.236464][T17877] ? selinux_file_ioctl+0x8e0/0x970 [ 601.241672][T17877] ? lo_release+0x120/0x120 [ 601.246160][T17877] blkdev_ioctl+0x1d0/0x3c0 [ 601.250714][T17877] block_ioctl+0x6d/0x80 [ 601.254946][T17877] ? blkdev_iopoll+0x70/0x70 [ 601.259519][T17877] __se_sys_ioctl+0xcb/0x140 [ 601.264090][T17877] __x64_sys_ioctl+0x3f/0x50 [ 601.268661][T17877] do_syscall_64+0x3d/0x90 [ 601.273068][T17877] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 601.279016][T17877] RIP: 0033:0x4663a7 [ 601.282911][T17877] 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 [ 601.302571][T17877] RSP: 002b:00007f4126cd6f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 601.310966][T17877] RAX: ffffffffffffffda RBX: 00000000004afcc0 RCX: 00000000004663a7 [ 601.318920][T17877] RDX: 0000000000000004 RSI: 0000000000004c00 RDI: 0000000000000005 [ 601.326871][T17877] RBP: 0000000000000005 R08: 0000000000000000 R09: ffffffffffffffff 21:19:20 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f090000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 601.334827][T17877] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 601.342777][T17877] R13: 0000000000000004 R14: 0000000020000218 R15: 0000000000000001 [ 601.368333][T17873] loop5: detected capacity change from 0 to 4 [ 601.377414][T17873] EXT4-fs (loop5): Can't read superblock on 2nd try [ 601.378542][T17887] loop2: detected capacity change from 0 to 11 [ 601.389293][T17888] loop4: detected capacity change from 0 to 4 [ 601.390671][T17890] loop0: detected capacity change from 0 to 512 [ 601.404191][T17887] FAT-fs (loop2): Unrecognized mount option "" or missing value [ 601.414091][T17890] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 601.414362][T17888] EXT4-fs (loop4): Can't read superblock on 2nd try [ 601.423851][T17890] EXT4-fs (loop0): group descriptors corrupted! 21:19:20 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f040200000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:20 executing program 1 (fault-call:0 fault-nth:15): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 601.457967][T17887] loop2: detected capacity change from 0 to 11 [ 601.466547][T17887] FAT-fs (loop2): Unrecognized mount option "" or missing value [ 601.477740][T17890] loop0: detected capacity change from 0 to 512 [ 601.490844][T17907] loop3: detected capacity change from 0 to 4 [ 601.498113][T17890] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 601.499414][T17909] loop5: detected capacity change from 0 to 4 [ 601.507861][T17890] EXT4-fs (loop0): group descriptors corrupted! [ 601.514304][T17912] FAULT_INJECTION: forcing a failure. [ 601.514304][T17912] name failslab, interval 1, probability 0, space 0, times 0 [ 601.524804][T17907] EXT4-fs (loop3): Can't read superblock on 2nd try [ 601.532776][T17912] CPU: 0 PID: 17912 Comm: syz-executor.1 Not tainted 5.14.0-rc4-syzkaller #0 [ 601.548036][T17909] EXT4-fs (loop5): Can't read superblock on 2nd try 21:19:20 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f0a0000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 601.548143][T17912] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 601.564741][T17912] Call Trace: [ 601.568008][T17912] dump_stack_lvl+0xb7/0x103 [ 601.572602][T17912] dump_stack+0x11/0x1a [ 601.576816][T17912] should_fail+0x23c/0x250 [ 601.581232][T17912] ? kzalloc+0x16/0x20 [ 601.585287][T17912] __should_failslab+0x81/0x90 [ 601.590035][T17912] should_failslab+0x5/0x20 [ 601.594523][T17912] __kmalloc+0x66/0x340 [ 601.598667][T17912] ? number+0xa03/0xb50 [ 601.602866][T17912] kzalloc+0x16/0x20 [ 601.606826][T17912] apply_wqattrs_prepare+0x3a/0x630 [ 601.612004][T17912] ? vsnprintf+0xe8f/0xed0 [ 601.616401][T17912] apply_workqueue_attrs+0x9e/0x100 [ 601.621589][T17912] alloc_workqueue+0x77d/0xaf0 [ 601.626382][T17912] ? bd_prepare_to_claim+0x1e5/0x270 [ 601.631710][T17912] ? loop_attr_do_show_dio+0x70/0x70 [ 601.637089][T17912] ? loop_set_status_from_info+0x35e/0x3a0 [ 601.642877][T17912] loop_configure+0x681/0xeb0 [ 601.647535][T17912] lo_ioctl+0x59b/0x1340 [ 601.651754][T17912] ? path_openat+0x18e4/0x1f20 [ 601.656494][T17912] ? putname+0xa5/0xc0 [ 601.660547][T17912] ? ___cache_free+0x3c/0x300 [ 601.665208][T17912] ? blkdev_common_ioctl+0x9c3/0x1040 [ 601.670647][T17912] ? selinux_file_ioctl+0x8e0/0x970 [ 601.675829][T17912] ? lo_release+0x120/0x120 [ 601.680348][T17912] blkdev_ioctl+0x1d0/0x3c0 [ 601.684845][T17912] block_ioctl+0x6d/0x80 [ 601.689100][T17912] ? blkdev_iopoll+0x70/0x70 [ 601.693677][T17912] __se_sys_ioctl+0xcb/0x140 [ 601.698339][T17912] __x64_sys_ioctl+0x3f/0x50 [ 601.702904][T17912] do_syscall_64+0x3d/0x90 [ 601.707312][T17912] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 601.713254][T17912] RIP: 0033:0x4663a7 [ 601.717125][T17912] 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 [ 601.736797][T17912] RSP: 002b:00007f4126cd6f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 601.745196][T17912] RAX: ffffffffffffffda RBX: 00000000004afcc0 RCX: 00000000004663a7 21:19:21 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}], [], 0x7}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 601.753204][T17912] RDX: 0000000000000004 RSI: 0000000000004c00 RDI: 0000000000000005 [ 601.761158][T17912] RBP: 0000000000000005 R08: 0000000000000000 R09: ffffffffffffffff [ 601.769164][T17912] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 601.777239][T17912] R13: 0000000000000004 R14: 0000000020000218 R15: 0000000000000001 21:19:21 executing program 1 (fault-call:0 fault-nth:16): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 601.811141][T17888] loop4: detected capacity change from 0 to 4 [ 601.823421][T17925] FAULT_INJECTION: forcing a failure. [ 601.823421][T17925] name failslab, interval 1, probability 0, space 0, times 0 [ 601.836164][T17925] CPU: 0 PID: 17925 Comm: syz-executor.1 Not tainted 5.14.0-rc4-syzkaller #0 [ 601.845025][T17925] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 601.855162][T17925] Call Trace: 21:19:21 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}], [], 0x8}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:19:21 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000400000000300000030000b000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 601.858431][T17925] dump_stack_lvl+0xb7/0x103 [ 601.862793][T17888] EXT4-fs (loop4): Can't read superblock on 2nd try [ 601.863018][T17925] dump_stack+0x11/0x1a [ 601.873721][T17925] should_fail+0x23c/0x250 [ 601.878134][T17925] __should_failslab+0x81/0x90 [ 601.882932][T17925] ? apply_wqattrs_prepare+0x5f/0x630 [ 601.888310][T17925] should_failslab+0x5/0x20 [ 601.892811][T17925] kmem_cache_alloc_trace+0x49/0x310 [ 601.898103][T17925] apply_wqattrs_prepare+0x5f/0x630 [ 601.903299][T17925] ? vsnprintf+0xe8f/0xed0 [ 601.907716][T17925] apply_workqueue_attrs+0x9e/0x100 [ 601.912911][T17925] alloc_workqueue+0x77d/0xaf0 [ 601.917741][T17925] ? bd_prepare_to_claim+0x1e5/0x270 [ 601.923005][T17925] ? loop_attr_do_show_dio+0x70/0x70 [ 601.928280][T17925] ? loop_set_status_from_info+0x35e/0x3a0 [ 601.934071][T17925] loop_configure+0x681/0xeb0 [ 601.938728][T17925] lo_ioctl+0x59b/0x1340 [ 601.942996][T17925] ? path_openat+0x18e4/0x1f20 [ 601.947753][T17925] ? putname+0xa5/0xc0 [ 601.951887][T17925] ? ___cache_free+0x3c/0x300 [ 601.956564][T17925] ? blkdev_common_ioctl+0x9c3/0x1040 [ 601.961962][T17925] ? selinux_file_ioctl+0x8e0/0x970 [ 601.967189][T17925] ? lo_release+0x120/0x120 [ 601.971679][T17925] blkdev_ioctl+0x1d0/0x3c0 [ 601.976175][T17925] block_ioctl+0x6d/0x80 [ 601.980437][T17925] ? blkdev_iopoll+0x70/0x70 [ 601.985044][T17925] __se_sys_ioctl+0xcb/0x140 [ 601.989644][T17925] __x64_sys_ioctl+0x3f/0x50 [ 601.994211][T17925] do_syscall_64+0x3d/0x90 [ 601.998632][T17925] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 602.004608][T17925] RIP: 0033:0x4663a7 [ 602.008479][T17925] 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 [ 602.028100][T17925] RSP: 002b:00007f4126cd6f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 602.036503][T17925] RAX: ffffffffffffffda RBX: 00000000004afcc0 RCX: 00000000004663a7 [ 602.044459][T17925] RDX: 0000000000000004 RSI: 0000000000004c00 RDI: 0000000000000005 [ 602.052409][T17925] RBP: 0000000000000005 R08: 0000000000000000 R09: ffffffffffffffff [ 602.060359][T17925] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 602.068308][T17925] R13: 0000000000000004 R14: 0000000020000218 R15: 0000000000000001 [ 602.082236][T17917] loop3: detected capacity change from 0 to 4 [ 602.082260][T17909] loop5: detected capacity change from 0 to 4 21:19:21 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000030000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:21 executing program 1 (fault-call:0 fault-nth:17): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 602.107653][T17931] loop0: detected capacity change from 0 to 512 [ 602.114465][T17917] EXT4-fs (loop3): Can't read superblock on 2nd try [ 602.142695][T17931] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 602.144736][T17944] FAULT_INJECTION: forcing a failure. [ 602.144736][T17944] name failslab, interval 1, probability 0, space 0, times 0 [ 602.152486][T17931] EXT4-fs (loop0): group descriptors corrupted! [ 602.165055][T17944] CPU: 1 PID: 17944 Comm: syz-executor.1 Not tainted 5.14.0-rc4-syzkaller #0 [ 602.179990][T17944] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 602.190033][T17944] Call Trace: [ 602.193291][T17944] dump_stack_lvl+0xb7/0x103 [ 602.197907][T17944] dump_stack+0x11/0x1a [ 602.202118][T17944] should_fail+0x23c/0x250 [ 602.206764][T17944] __should_failslab+0x81/0x90 [ 602.211582][T17944] ? apply_wqattrs_prepare+0xbe/0x630 [ 602.216993][T17944] should_failslab+0x5/0x20 [ 602.221557][T17944] kmem_cache_alloc_trace+0x49/0x310 [ 602.226910][T17944] ? apply_wqattrs_prepare+0x5f/0x630 [ 602.232261][T17944] apply_wqattrs_prepare+0xbe/0x630 [ 602.237439][T17944] ? vsnprintf+0xe8f/0xed0 [ 602.241833][T17944] apply_workqueue_attrs+0x9e/0x100 [ 602.247012][T17944] alloc_workqueue+0x77d/0xaf0 [ 602.251757][T17944] ? bd_prepare_to_claim+0x1e5/0x270 [ 602.257211][T17944] ? loop_attr_do_show_dio+0x70/0x70 [ 602.262478][T17944] ? loop_set_status_from_info+0x35e/0x3a0 [ 602.268372][T17944] loop_configure+0x681/0xeb0 [ 602.273078][T17944] lo_ioctl+0x59b/0x1340 [ 602.277330][T17944] ? path_openat+0x18e4/0x1f20 [ 602.282131][T17944] ? putname+0xa5/0xc0 [ 602.286184][T17944] ? ___cache_free+0x3c/0x300 [ 602.290847][T17944] ? blkdev_common_ioctl+0x9c3/0x1040 [ 602.296203][T17944] ? selinux_file_ioctl+0x8e0/0x970 [ 602.301418][T17944] ? lo_release+0x120/0x120 [ 602.305902][T17944] blkdev_ioctl+0x1d0/0x3c0 [ 602.310426][T17944] block_ioctl+0x6d/0x80 [ 602.314650][T17944] ? blkdev_iopoll+0x70/0x70 [ 602.319280][T17944] __se_sys_ioctl+0xcb/0x140 [ 602.323866][T17944] __x64_sys_ioctl+0x3f/0x50 [ 602.328444][T17944] do_syscall_64+0x3d/0x90 [ 602.332839][T17944] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 602.338710][T17944] RIP: 0033:0x4663a7 [ 602.342622][T17944] 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 [ 602.362377][T17944] RSP: 002b:00007f4126cd6f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 602.370815][T17944] RAX: ffffffffffffffda RBX: 00000000004afcc0 RCX: 00000000004663a7 [ 602.378765][T17944] RDX: 0000000000000004 RSI: 0000000000004c00 RDI: 0000000000000005 [ 602.386711][T17944] RBP: 0000000000000005 R08: 0000000000000000 R09: ffffffffffffffff [ 602.394702][T17944] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 602.402708][T17944] R13: 0000000000000004 R14: 0000000020000218 R15: 0000000000000001 21:19:21 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f710200000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:21 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000400000000300000030000c000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 602.416940][T17939] loop2: detected capacity change from 0 to 11 [ 602.431429][T17945] loop4: detected capacity change from 0 to 4 [ 602.437692][T17917] loop3: detected capacity change from 0 to 4 [ 602.448208][T17945] EXT4-fs (loop4): Can't read superblock on 2nd try [ 602.455249][T17917] EXT4-fs (loop3): Can't read superblock on 2nd try [ 602.471699][T17955] loop5: detected capacity change from 0 to 4 [ 602.475640][T17939] loop2: detected capacity change from 0 to 11 [ 602.490120][T17965] loop0: detected capacity change from 0 to 512 [ 602.495063][T17955] EXT4-fs (loop5): Can't read superblock on 2nd try [ 602.504207][T17965] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 602.513957][T17965] EXT4-fs (loop0): group descriptors corrupted! 21:19:21 executing program 1 (fault-call:0 fault-nth:18): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:21 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}], [], 0x9}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:19:21 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f0b0000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 602.522587][T17945] loop4: detected capacity change from 0 to 4 [ 602.534296][T17945] EXT4-fs (loop4): Can't read superblock on 2nd try [ 602.539433][T17972] FAULT_INJECTION: forcing a failure. [ 602.539433][T17972] name failslab, interval 1, probability 0, space 0, times 0 [ 602.553495][T17972] CPU: 1 PID: 17972 Comm: syz-executor.1 Not tainted 5.14.0-rc4-syzkaller #0 [ 602.562251][T17972] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 602.572284][T17972] Call Trace: [ 602.575554][T17972] dump_stack_lvl+0xb7/0x103 [ 602.580123][T17972] dump_stack+0x11/0x1a [ 602.584323][T17972] should_fail+0x23c/0x250 [ 602.588733][T17972] __should_failslab+0x81/0x90 [ 602.593469][T17972] should_failslab+0x5/0x20 [ 602.597949][T17972] kmem_cache_alloc_node+0x58/0x2b0 [ 602.603212][T17972] ? alloc_unbound_pwq+0x3e6/0x770 [ 602.608303][T17972] alloc_unbound_pwq+0x3e6/0x770 [ 602.613218][T17972] apply_wqattrs_prepare+0x1ed/0x630 [ 602.618563][T17972] ? vsnprintf+0xe8f/0xed0 [ 602.622962][T17972] apply_workqueue_attrs+0x9e/0x100 [ 602.628140][T17972] alloc_workqueue+0x77d/0xaf0 [ 602.632880][T17972] ? bd_prepare_to_claim+0x1e5/0x270 [ 602.638157][T17972] ? loop_attr_do_show_dio+0x70/0x70 [ 602.643433][T17972] ? loop_set_status_from_info+0x35e/0x3a0 [ 602.649284][T17972] loop_configure+0x681/0xeb0 [ 602.653954][T17972] lo_ioctl+0x59b/0x1340 [ 602.658176][T17972] ? path_openat+0x18e4/0x1f20 [ 602.662920][T17972] ? putname+0xa5/0xc0 [ 602.666966][T17972] ? ___cache_free+0x3c/0x300 [ 602.671667][T17972] ? blkdev_common_ioctl+0x9c3/0x1040 [ 602.677032][T17972] ? selinux_file_ioctl+0x8e0/0x970 [ 602.682297][T17972] ? lo_release+0x120/0x120 [ 602.686866][T17972] blkdev_ioctl+0x1d0/0x3c0 [ 602.691392][T17972] block_ioctl+0x6d/0x80 [ 602.695631][T17972] ? blkdev_iopoll+0x70/0x70 [ 602.700251][T17972] __se_sys_ioctl+0xcb/0x140 [ 602.704818][T17972] __x64_sys_ioctl+0x3f/0x50 [ 602.709424][T17972] do_syscall_64+0x3d/0x90 [ 602.713891][T17972] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 602.719800][T17972] RIP: 0033:0x4663a7 [ 602.723671][T17972] 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 [ 602.743338][T17972] RSP: 002b:00007f4126cd6f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 602.751803][T17972] RAX: ffffffffffffffda RBX: 00000000004afcc0 RCX: 00000000004663a7 [ 602.759757][T17972] RDX: 0000000000000004 RSI: 0000000000004c00 RDI: 0000000000000005 [ 602.767761][T17972] RBP: 0000000000000005 R08: 0000000000000000 R09: ffffffffffffffff [ 602.775776][T17972] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 602.783817][T17972] R13: 0000000000000004 R14: 0000000020000218 R15: 0000000000000001 [ 602.801985][T17974] loop3: detected capacity change from 0 to 4 [ 602.809221][T17955] loop5: detected capacity change from 0 to 4 [ 602.816500][T17955] EXT4-fs (loop5): Can't read superblock on 2nd try 21:19:22 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000400000000300000030000d000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:19:22 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000040000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 602.832536][T17981] loop2: detected capacity change from 0 to 11 [ 602.841809][T17981] FAT-fs (loop2): Unrecognized mount option " " or missing value [ 602.853063][T17974] EXT4-fs (loop3): Can't read superblock on 2nd try [ 602.854128][T17988] loop0: detected capacity change from 0 to 512 [ 602.869618][T17988] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock 21:19:22 executing program 1 (fault-call:0 fault-nth:19): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 602.879496][T17988] EXT4-fs (loop0): group descriptors corrupted! [ 602.886417][T17993] loop4: detected capacity change from 0 to 4 [ 602.895858][T17993] EXT4-fs (loop4): Can't read superblock on 2nd try [ 602.903460][T17974] loop3: detected capacity change from 0 to 4 [ 602.910429][T17981] loop2: detected capacity change from 0 to 11 [ 602.917353][T17974] EXT4-fs (loop3): Can't read superblock on 2nd try 21:19:22 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f720200000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 602.929381][T17988] loop0: detected capacity change from 0 to 512 [ 602.936589][T17981] FAT-fs (loop2): Unrecognized mount option " " or missing value [ 602.941068][T18008] FAULT_INJECTION: forcing a failure. [ 602.941068][T18008] name failslab, interval 1, probability 0, space 0, times 0 [ 602.948976][T17993] loop4: detected capacity change from 0 to 4 [ 602.956943][T18008] CPU: 1 PID: 18008 Comm: syz-executor.1 Not tainted 5.14.0-rc4-syzkaller #0 [ 602.967720][T18011] loop5: detected capacity change from 0 to 4 [ 602.971807][T18008] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 602.971819][T18008] Call Trace: [ 602.971826][T18008] dump_stack_lvl+0xb7/0x103 [ 602.978694][T17993] EXT4-fs (loop4): Can't read superblock on 2nd try [ 602.987899][T18008] dump_stack+0x11/0x1a [ 602.987919][T18008] should_fail+0x23c/0x250 [ 602.987941][T18008] ? __kernfs_new_node+0x6a/0x330 [ 602.994014][T18011] EXT4-fs (loop5): Can't read superblock on 2nd try [ 602.995767][T18008] __should_failslab+0x81/0x90 [ 602.995788][T18008] should_failslab+0x5/0x20 [ 603.016873][T17988] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 603.022438][T18008] kmem_cache_alloc+0x46/0x2e0 [ 603.022466][T18008] __kernfs_new_node+0x6a/0x330 [ 603.027223][T17988] EXT4-fs (loop0): group descriptors corrupted! [ 603.031696][T18008] ? _raw_spin_lock_irqsave+0x25/0x80 [ 603.062550][T18008] ? _raw_spin_unlock_irqrestore+0x27/0x40 [ 603.068476][T18008] ? pwq_adjust_max_active+0x491/0x4b0 [ 603.073935][T18008] kernfs_create_dir_ns+0x5e/0x140 [ 603.079106][T18008] internal_create_group+0x138/0x850 [ 603.084368][T18008] ? bd_prepare_to_claim+0x1e5/0x270 [ 603.089658][T18008] ? loop_attr_do_show_dio+0x70/0x70 [ 603.094989][T18008] ? set_disk_ro+0x73/0x110 [ 603.099476][T18008] sysfs_create_group+0x1b/0x20 [ 603.104305][T18008] loop_configure+0xbb1/0xeb0 [ 603.109029][T18008] lo_ioctl+0x59b/0x1340 [ 603.113272][T18008] ? path_openat+0x18e4/0x1f20 [ 603.118128][T18008] ? putname+0xa5/0xc0 [ 603.122249][T18008] ? ___cache_free+0x3c/0x300 [ 603.126953][T18008] ? blkdev_common_ioctl+0x9c3/0x1040 [ 603.132303][T18008] ? selinux_file_ioctl+0x8e0/0x970 [ 603.137480][T18008] ? lo_release+0x120/0x120 [ 603.142024][T18008] blkdev_ioctl+0x1d0/0x3c0 [ 603.146522][T18008] block_ioctl+0x6d/0x80 [ 603.150757][T18008] ? blkdev_iopoll+0x70/0x70 [ 603.155401][T18008] __se_sys_ioctl+0xcb/0x140 [ 603.159983][T18008] __x64_sys_ioctl+0x3f/0x50 [ 603.164579][T18008] do_syscall_64+0x3d/0x90 [ 603.169023][T18008] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 603.174901][T18008] RIP: 0033:0x4663a7 [ 603.178771][T18008] 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 [ 603.198356][T18008] RSP: 002b:00007f4126cd6f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 603.206744][T18008] RAX: ffffffffffffffda RBX: 00000000004afcc0 RCX: 00000000004663a7 [ 603.214692][T18008] RDX: 0000000000000004 RSI: 0000000000004c00 RDI: 0000000000000005 [ 603.222641][T18008] RBP: 0000000000000005 R08: 0000000000000000 R09: ffffffffffffffff 21:19:22 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}], [], 0xa}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:19:22 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f0c0000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:22 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000050000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 603.230593][T18008] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 603.238542][T18008] R13: 0000000000000004 R14: 0000000020000218 R15: 0000000000000001 [ 603.246523][T18008] loop1: detected capacity change from 0 to 4 [ 603.255125][T18008] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) 21:19:22 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000400000000300000030000e000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:19:22 executing program 1 (fault-call:0 fault-nth:20): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 603.295992][T18011] loop5: detected capacity change from 0 to 4 [ 603.310817][T18011] EXT4-fs (loop5): Can't read superblock on 2nd try [ 603.320916][T18027] loop4: detected capacity change from 0 to 4 [ 603.335165][T18022] loop2: detected capacity change from 0 to 11 21:19:22 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f730200000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 603.341867][T18027] EXT4-fs (loop4): Can't read superblock on 2nd try [ 603.354875][T18034] loop3: detected capacity change from 0 to 4 [ 603.362667][T18022] FAT-fs (loop2): Unrecognized mount option " [ 603.362667][T18022] " or missing value [ 603.366057][T18036] loop0: detected capacity change from 0 to 512 [ 603.377017][T18040] FAULT_INJECTION: forcing a failure. [ 603.377017][T18040] name failslab, interval 1, probability 0, space 0, times 0 [ 603.386741][T18034] EXT4-fs (loop3): Can't read superblock on 2nd try [ 603.391323][T18040] CPU: 0 PID: 18040 Comm: syz-executor.1 Not tainted 5.14.0-rc4-syzkaller #0 [ 603.398369][T18041] loop5: detected capacity change from 0 to 4 [ 603.406655][T18040] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 603.406667][T18040] Call Trace: [ 603.406674][T18040] dump_stack_lvl+0xb7/0x103 [ 603.406694][T18040] dump_stack+0x11/0x1a [ 603.415091][T18041] EXT4-fs (loop5): Can't read superblock on 2nd try [ 603.422806][T18040] should_fail+0x23c/0x250 [ 603.422833][T18040] ? __kernfs_new_node+0x6a/0x330 [ 603.426698][T18036] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 603.430685][T18040] __should_failslab+0x81/0x90 [ 603.430705][T18040] should_failslab+0x5/0x20 [ 603.434857][T18036] EXT4-fs (loop0): group descriptors corrupted! [ 603.441400][T18040] kmem_cache_alloc+0x46/0x2e0 [ 603.480646][T18040] ? __cond_resched+0x11/0x40 [ 603.485358][T18040] __kernfs_new_node+0x6a/0x330 [ 603.490189][T18040] ? idr_alloc_cyclic+0x249/0x2d0 [ 603.495198][T18040] ? rb_insert_color+0x7e/0x310 [ 603.500069][T18040] kernfs_new_node+0x5b/0xd0 [ 603.504644][T18040] __kernfs_create_file+0x45/0x1a0 [ 603.509793][T18040] sysfs_add_file_mode_ns+0x1c1/0x250 [ 603.515389][T18040] internal_create_group+0x2e4/0x850 [ 603.520710][T18040] ? set_disk_ro+0x73/0x110 [ 603.525260][T18040] sysfs_create_group+0x1b/0x20 [ 603.530101][T18040] loop_configure+0xbb1/0xeb0 [ 603.534857][T18040] lo_ioctl+0x59b/0x1340 [ 603.539097][T18040] ? path_openat+0x18e4/0x1f20 [ 603.543838][T18040] ? putname+0xa5/0xc0 [ 603.547881][T18040] ? ___cache_free+0x3c/0x300 [ 603.552542][T18040] ? blkdev_common_ioctl+0x9c3/0x1040 [ 603.557890][T18040] ? selinux_file_ioctl+0x8e0/0x970 [ 603.563122][T18040] ? lo_release+0x120/0x120 [ 603.567603][T18040] blkdev_ioctl+0x1d0/0x3c0 [ 603.572127][T18040] block_ioctl+0x6d/0x80 [ 603.576399][T18040] ? blkdev_iopoll+0x70/0x70 [ 603.580984][T18040] __se_sys_ioctl+0xcb/0x140 [ 603.585560][T18040] __x64_sys_ioctl+0x3f/0x50 [ 603.590247][T18040] do_syscall_64+0x3d/0x90 [ 603.594646][T18040] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 603.600533][T18040] RIP: 0033:0x4663a7 [ 603.604401][T18040] 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 [ 603.624038][T18040] RSP: 002b:00007f4126cd6f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 603.632471][T18040] RAX: ffffffffffffffda RBX: 00000000004afcc0 RCX: 00000000004663a7 [ 603.640436][T18040] RDX: 0000000000000004 RSI: 0000000000004c00 RDI: 0000000000000005 [ 603.648386][T18040] RBP: 0000000000000005 R08: 0000000000000000 R09: ffffffffffffffff [ 603.656336][T18040] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 603.664328][T18040] R13: 0000000000000004 R14: 0000000020000218 R15: 0000000000000001 [ 603.672800][T18040] loop1: detected capacity change from 0 to 4 [ 603.681214][T18040] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 603.692965][T18027] loop4: detected capacity change from 0 to 4 [ 603.699502][T18027] EXT4-fs (loop4): Can't read superblock on 2nd try [ 603.711684][T18034] loop3: detected capacity change from 0 to 4 [ 603.723612][T18036] loop0: detected capacity change from 0 to 512 [ 603.733295][T18041] loop5: detected capacity change from 0 to 4 21:19:23 executing program 1 (fault-call:0 fault-nth:21): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:23 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000060000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 603.739614][T18036] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 603.745158][T18022] loop2: detected capacity change from 0 to 2176 [ 603.749445][T18036] EXT4-fs (loop0): group descriptors corrupted! [ 603.764520][T18041] EXT4-fs (loop5): Can't read superblock on 2nd try [ 603.765943][T18034] EXT4-fs (loop3): Can't read superblock on 2nd try [ 603.796813][T18066] FAULT_INJECTION: forcing a failure. [ 603.796813][T18066] name failslab, interval 1, probability 0, space 0, times 0 [ 603.801065][T18068] loop4: detected capacity change from 0 to 4 [ 603.809467][T18066] CPU: 0 PID: 18066 Comm: syz-executor.1 Not tainted 5.14.0-rc4-syzkaller #0 [ 603.824260][T18066] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 603.834401][T18066] Call Trace: [ 603.837666][T18066] dump_stack_lvl+0xb7/0x103 [ 603.842308][T18066] dump_stack+0x11/0x1a [ 603.846524][T18066] should_fail+0x23c/0x250 [ 603.850953][T18066] ? __kernfs_new_node+0x6a/0x330 [ 603.855981][T18066] __should_failslab+0x81/0x90 [ 603.860731][T18066] should_failslab+0x5/0x20 [ 603.865221][T18066] kmem_cache_alloc+0x46/0x2e0 [ 603.870008][T18066] __kernfs_new_node+0x6a/0x330 [ 603.874910][T18066] ? __cond_resched+0x11/0x40 [ 603.879593][T18066] ? mutex_lock+0x9/0x30 [ 603.883818][T18066] kernfs_new_node+0x5b/0xd0 [ 603.888392][T18066] __kernfs_create_file+0x45/0x1a0 [ 603.893549][T18066] sysfs_add_file_mode_ns+0x1c1/0x250 [ 603.898902][T18066] internal_create_group+0x2e4/0x850 [ 603.904174][T18066] ? set_disk_ro+0x73/0x110 [ 603.908662][T18066] sysfs_create_group+0x1b/0x20 [ 603.913520][T18066] loop_configure+0xbb1/0xeb0 [ 603.918268][T18066] lo_ioctl+0x59b/0x1340 [ 603.922495][T18066] ? path_openat+0x18e4/0x1f20 [ 603.927244][T18066] ? putname+0xa5/0xc0 [ 603.931295][T18066] ? ___cache_free+0x3c/0x300 [ 603.935969][T18066] ? blkdev_common_ioctl+0x9c3/0x1040 [ 603.941329][T18066] ? selinux_file_ioctl+0x8e0/0x970 [ 603.946512][T18066] ? lo_release+0x120/0x120 [ 603.951041][T18066] blkdev_ioctl+0x1d0/0x3c0 [ 603.955531][T18066] block_ioctl+0x6d/0x80 [ 603.959823][T18066] ? blkdev_iopoll+0x70/0x70 [ 603.964399][T18066] __se_sys_ioctl+0xcb/0x140 [ 603.969090][T18066] __x64_sys_ioctl+0x3f/0x50 [ 603.973659][T18066] do_syscall_64+0x3d/0x90 [ 603.978081][T18066] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 603.983960][T18066] RIP: 0033:0x4663a7 [ 603.987838][T18066] 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 [ 604.007497][T18066] RSP: 002b:00007f4126cd6f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 604.015889][T18066] RAX: ffffffffffffffda RBX: 00000000004afcc0 RCX: 00000000004663a7 [ 604.023877][T18066] RDX: 0000000000000004 RSI: 0000000000004c00 RDI: 0000000000000005 [ 604.031892][T18066] RBP: 0000000000000005 R08: 0000000000000000 R09: ffffffffffffffff [ 604.039848][T18066] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 21:19:23 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f0d0000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 604.047856][T18066] R13: 0000000000000004 R14: 0000000020000218 R15: 0000000000000001 [ 604.056863][T18066] loop1: detected capacity change from 0 to 4 21:19:23 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000300000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:23 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}], [], 0xb}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:19:23 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000400000000300000030000f000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 604.091972][T18066] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 604.109471][T18077] loop5: detected capacity change from 0 to 4 [ 604.117039][T18079] loop3: detected capacity change from 0 to 4 [ 604.128755][T18077] EXT4-fs (loop5): Can't read superblock on 2nd try [ 604.129766][T18081] loop0: detected capacity change from 0 to 512 [ 604.141283][T18068] EXT4-fs (loop4): Can't read superblock on 2nd try [ 604.149689][T18079] EXT4-fs (loop3): Can't read superblock on 2nd try [ 604.156743][T18081] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 604.166519][T18081] EXT4-fs (loop0): group descriptors corrupted! [ 604.174520][T18077] loop5: detected capacity change from 0 to 4 21:19:23 executing program 1 (fault-call:0 fault-nth:22): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 604.190636][T18068] loop4: detected capacity change from 0 to 4 [ 604.198499][T18077] EXT4-fs (loop5): Can't read superblock on 2nd try [ 604.207960][T18068] EXT4-fs (loop4): Can't read superblock on 2nd try [ 604.216944][T18094] loop2: detected capacity change from 0 to 11 [ 604.224291][T18094] FAT-fs (loop2): Unrecognized mount option " " or missing value [ 604.224802][T18079] loop3: detected capacity change from 0 to 4 [ 604.236193][T18099] FAULT_INJECTION: forcing a failure. [ 604.236193][T18099] name failslab, interval 1, probability 0, space 0, times 0 [ 604.250720][T18099] CPU: 1 PID: 18099 Comm: syz-executor.1 Not tainted 5.14.0-rc4-syzkaller #0 [ 604.251146][T18079] EXT4-fs (loop3): Can't read superblock on 2nd try [ 604.259470][T18099] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 604.259482][T18099] Call Trace: [ 604.259489][T18099] dump_stack_lvl+0xb7/0x103 [ 604.283904][T18099] dump_stack+0x11/0x1a [ 604.288084][T18099] should_fail+0x23c/0x250 [ 604.292488][T18099] ? __kernfs_new_node+0x6a/0x330 [ 604.297492][T18099] __should_failslab+0x81/0x90 [ 604.302235][T18099] should_failslab+0x5/0x20 [ 604.306786][T18099] kmem_cache_alloc+0x46/0x2e0 [ 604.311533][T18099] __kernfs_new_node+0x6a/0x330 [ 604.316370][T18099] ? __cond_resched+0x11/0x40 [ 604.321123][T18099] ? mutex_lock+0x9/0x30 [ 604.325417][T18099] kernfs_new_node+0x5b/0xd0 [ 604.330043][T18099] __kernfs_create_file+0x45/0x1a0 [ 604.335167][T18099] sysfs_add_file_mode_ns+0x1c1/0x250 [ 604.340525][T18099] internal_create_group+0x2e4/0x850 [ 604.345792][T18099] ? set_disk_ro+0x73/0x110 [ 604.350277][T18099] sysfs_create_group+0x1b/0x20 [ 604.355106][T18099] loop_configure+0xbb1/0xeb0 [ 604.359800][T18099] lo_ioctl+0x59b/0x1340 [ 604.364026][T18099] ? path_openat+0x18e4/0x1f20 [ 604.368774][T18099] ? putname+0xa5/0xc0 [ 604.372846][T18099] ? ___cache_free+0x3c/0x300 [ 604.377552][T18099] ? blkdev_common_ioctl+0x9c3/0x1040 [ 604.383047][T18099] ? selinux_file_ioctl+0x8e0/0x970 [ 604.388310][T18099] ? lo_release+0x120/0x120 [ 604.392814][T18099] blkdev_ioctl+0x1d0/0x3c0 [ 604.397334][T18099] block_ioctl+0x6d/0x80 [ 604.401588][T18099] ? blkdev_iopoll+0x70/0x70 [ 604.406156][T18099] __se_sys_ioctl+0xcb/0x140 [ 604.410727][T18099] __x64_sys_ioctl+0x3f/0x50 [ 604.415305][T18099] do_syscall_64+0x3d/0x90 [ 604.419706][T18099] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 604.425600][T18099] RIP: 0033:0x4663a7 [ 604.429469][T18099] 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 [ 604.449074][T18099] RSP: 002b:00007f4126cd6f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 604.457491][T18099] RAX: ffffffffffffffda RBX: 00000000004afcc0 RCX: 00000000004663a7 [ 604.465452][T18099] RDX: 0000000000000004 RSI: 0000000000004c00 RDI: 0000000000000005 [ 604.473416][T18099] RBP: 0000000000000005 R08: 0000000000000000 R09: ffffffffffffffff [ 604.481409][T18099] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 21:19:23 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f020400000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:23 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000004060000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 604.489419][T18099] R13: 0000000000000004 R14: 0000000020000218 R15: 0000000000000001 [ 604.504788][T18099] loop1: detected capacity change from 0 to 4 [ 604.516402][T18081] loop0: detected capacity change from 0 to 512 [ 604.522339][T18099] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) 21:19:23 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f0e0000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 604.547895][T18081] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 604.548103][T18094] loop2: detected capacity change from 0 to 11 [ 604.557672][T18081] EXT4-fs (loop0): group descriptors corrupted! [ 604.580333][T18115] loop4: detected capacity change from 0 to 4 [ 604.584765][T18111] loop5: detected capacity change from 0 to 4 21:19:23 executing program 1 (fault-call:0 fault-nth:23): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:23 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}], [], 0xc}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 604.612361][T18115] EXT4-fs (loop4): Can't read superblock on 2nd try [ 604.622336][T18111] EXT4-fs (loop5): Can't read superblock on 2nd try [ 604.623549][T18123] loop3: detected capacity change from 0 to 4 [ 604.638489][T18123] EXT4-fs (loop3): Can't read superblock on 2nd try 21:19:23 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300010000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 604.659308][T18128] FAULT_INJECTION: forcing a failure. [ 604.659308][T18128] name failslab, interval 1, probability 0, space 0, times 0 [ 604.672042][T18128] CPU: 0 PID: 18128 Comm: syz-executor.1 Not tainted 5.14.0-rc4-syzkaller #0 [ 604.680793][T18128] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 604.690840][T18128] Call Trace: [ 604.694179][T18128] dump_stack_lvl+0xb7/0x103 [ 604.698775][T18128] dump_stack+0x11/0x1a [ 604.702927][T18128] should_fail+0x23c/0x250 [ 604.707325][T18128] ? __kernfs_new_node+0x6a/0x330 [ 604.712333][T18128] __should_failslab+0x81/0x90 [ 604.717077][T18128] should_failslab+0x5/0x20 [ 604.721605][T18128] kmem_cache_alloc+0x46/0x2e0 [ 604.726412][T18128] __kernfs_new_node+0x6a/0x330 [ 604.731260][T18128] ? __cond_resched+0x11/0x40 [ 604.735943][T18128] ? mutex_lock+0x9/0x30 [ 604.740180][T18128] kernfs_new_node+0x5b/0xd0 [ 604.744756][T18128] __kernfs_create_file+0x45/0x1a0 [ 604.749882][T18128] sysfs_add_file_mode_ns+0x1c1/0x250 [ 604.755230][T18128] internal_create_group+0x2e4/0x850 [ 604.760520][T18128] ? set_disk_ro+0x73/0x110 [ 604.765003][T18128] sysfs_create_group+0x1b/0x20 [ 604.769843][T18128] loop_configure+0xbb1/0xeb0 [ 604.774567][T18128] lo_ioctl+0x59b/0x1340 [ 604.778795][T18128] ? path_openat+0x18e4/0x1f20 [ 604.783555][T18128] ? putname+0xa5/0xc0 [ 604.787602][T18128] ? ___cache_free+0x3c/0x300 [ 604.792258][T18128] ? blkdev_common_ioctl+0x9c3/0x1040 [ 604.797611][T18128] ? selinux_file_ioctl+0x8e0/0x970 [ 604.802829][T18128] ? lo_release+0x120/0x120 [ 604.807360][T18128] blkdev_ioctl+0x1d0/0x3c0 [ 604.811931][T18128] block_ioctl+0x6d/0x80 [ 604.816162][T18128] ? blkdev_iopoll+0x70/0x70 [ 604.820854][T18128] __se_sys_ioctl+0xcb/0x140 [ 604.825455][T18128] __x64_sys_ioctl+0x3f/0x50 [ 604.830086][T18128] do_syscall_64+0x3d/0x90 [ 604.834545][T18128] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 604.840432][T18128] RIP: 0033:0x4663a7 [ 604.844322][T18128] 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 [ 604.863958][T18128] RSP: 002b:00007f4126cd6f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 604.872388][T18128] RAX: ffffffffffffffda RBX: 00000000004afcc0 RCX: 00000000004663a7 [ 604.880343][T18128] RDX: 0000000000000004 RSI: 0000000000004c00 RDI: 0000000000000005 [ 604.888310][T18128] RBP: 0000000000000005 R08: 0000000000000000 R09: ffffffffffffffff [ 604.896277][T18128] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 604.904254][T18128] R13: 0000000000000004 R14: 0000000020000218 R15: 0000000000000001 21:19:24 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000070000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 604.919573][T18128] loop1: detected capacity change from 0 to 4 [ 604.924679][T18111] loop5: detected capacity change from 0 to 4 [ 604.932134][T18130] loop2: detected capacity change from 0 to 11 [ 604.932600][T18111] EXT4-fs (loop5): Can't read superblock on 2nd try [ 604.945736][T18123] loop3: detected capacity change from 0 to 4 [ 604.952089][T18128] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 604.952852][T18132] loop0: detected capacity change from 0 to 512 [ 604.979560][T18132] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 604.989309][T18132] EXT4-fs (loop0): group descriptors corrupted! [ 604.996569][T18146] loop4: detected capacity change from 0 to 4 [ 605.002799][T18123] EXT4-fs (loop3): Can't read superblock on 2nd try 21:19:24 executing program 1 (fault-call:0 fault-nth:24): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:24 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f060400000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 605.028425][T18130] loop2: detected capacity change from 0 to 2176 [ 605.037840][T18132] loop0: detected capacity change from 0 to 512 [ 605.044261][T18146] EXT4-fs (loop4): Can't read superblock on 2nd try [ 605.057127][T18132] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 605.066912][T18132] EXT4-fs (loop0): group descriptors corrupted! [ 605.069939][T18160] loop5: detected capacity change from 0 to 4 [ 605.074901][T18161] FAULT_INJECTION: forcing a failure. [ 605.074901][T18161] name failslab, interval 1, probability 0, space 0, times 0 [ 605.090636][T18160] EXT4-fs (loop5): Can't read superblock on 2nd try [ 605.091930][T18161] CPU: 0 PID: 18161 Comm: syz-executor.1 Not tainted 5.14.0-rc4-syzkaller #0 [ 605.091951][T18161] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 605.117270][T18161] Call Trace: [ 605.120527][T18161] dump_stack_lvl+0xb7/0x103 [ 605.125092][T18161] dump_stack+0x11/0x1a [ 605.129222][T18161] should_fail+0x23c/0x250 [ 605.133730][T18161] ? __kernfs_new_node+0x6a/0x330 [ 605.138817][T18161] __should_failslab+0x81/0x90 [ 605.143646][T18161] should_failslab+0x5/0x20 [ 605.148135][T18161] kmem_cache_alloc+0x46/0x2e0 [ 605.152874][T18161] __kernfs_new_node+0x6a/0x330 [ 605.157776][T18161] ? __cond_resched+0x11/0x40 [ 605.162434][T18161] ? mutex_lock+0x9/0x30 [ 605.166653][T18161] kernfs_new_node+0x5b/0xd0 [ 605.171223][T18161] __kernfs_create_file+0x45/0x1a0 [ 605.176316][T18161] sysfs_add_file_mode_ns+0x1c1/0x250 [ 605.181667][T18161] internal_create_group+0x2e4/0x850 [ 605.186927][T18161] ? set_disk_ro+0x73/0x110 [ 605.191447][T18161] sysfs_create_group+0x1b/0x20 [ 605.196324][T18161] loop_configure+0xbb1/0xeb0 [ 605.200981][T18161] lo_ioctl+0x59b/0x1340 [ 605.205213][T18161] ? path_openat+0x18e4/0x1f20 [ 605.209957][T18161] ? putname+0xa5/0xc0 [ 605.214046][T18161] ? ___cache_free+0x3c/0x300 [ 605.218700][T18161] ? blkdev_common_ioctl+0x9c3/0x1040 [ 605.224052][T18161] ? selinux_file_ioctl+0x8e0/0x970 [ 605.229243][T18161] ? lo_release+0x120/0x120 [ 605.233728][T18161] blkdev_ioctl+0x1d0/0x3c0 [ 605.238315][T18161] block_ioctl+0x6d/0x80 [ 605.242558][T18161] ? blkdev_iopoll+0x70/0x70 [ 605.247151][T18161] __se_sys_ioctl+0xcb/0x140 [ 605.251731][T18161] __x64_sys_ioctl+0x3f/0x50 [ 605.256311][T18161] do_syscall_64+0x3d/0x90 [ 605.260707][T18161] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 605.266661][T18161] RIP: 0033:0x4663a7 [ 605.270660][T18161] 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 [ 605.290243][T18161] RSP: 002b:00007f4126cd6f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 605.298631][T18161] RAX: ffffffffffffffda RBX: 00000000004afcc0 RCX: 00000000004663a7 [ 605.306594][T18161] RDX: 0000000000000004 RSI: 0000000000004c00 RDI: 0000000000000005 [ 605.314650][T18161] RBP: 0000000000000005 R08: 0000000000000000 R09: ffffffffffffffff [ 605.322631][T18161] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 605.330628][T18161] R13: 0000000000000004 R14: 0000000020000218 R15: 0000000000000001 [ 605.338742][T18161] loop1: detected capacity change from 0 to 4 [ 605.347027][T18161] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) 21:19:24 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f0f0000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:24 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300011000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:19:24 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}], [], 0xd}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 605.372309][T18146] loop4: detected capacity change from 0 to 4 [ 605.382896][T18160] loop5: detected capacity change from 0 to 4 [ 605.398495][T18146] EXT4-fs (loop4): Can't read superblock on 2nd try [ 605.403044][T18172] loop0: detected capacity change from 0 to 512 [ 605.411413][T18160] EXT4-fs (loop5): Can't read superblock on 2nd try 21:19:24 executing program 1 (fault-call:0 fault-nth:25): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 605.425756][T18177] loop3: detected capacity change from 0 to 4 [ 605.445446][T18177] EXT4-fs (loop3): Can't read superblock on 2nd try [ 605.462693][T18184] FAULT_INJECTION: forcing a failure. [ 605.462693][T18184] name failslab, interval 1, probability 0, space 0, times 0 21:19:24 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000080000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:24 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f100400000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 605.475391][T18184] CPU: 1 PID: 18184 Comm: syz-executor.1 Not tainted 5.14.0-rc4-syzkaller #0 [ 605.484148][T18184] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 605.494196][T18184] Call Trace: [ 605.497466][T18184] dump_stack_lvl+0xb7/0x103 [ 605.502131][T18184] dump_stack+0x11/0x1a [ 605.506284][T18184] should_fail+0x23c/0x250 [ 605.510701][T18184] ? __kernfs_new_node+0x6a/0x330 [ 605.515756][T18184] __should_failslab+0x81/0x90 [ 605.520512][T18184] should_failslab+0x5/0x20 [ 605.522984][T18172] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 605.525000][T18184] kmem_cache_alloc+0x46/0x2e0 [ 605.534735][T18172] EXT4-fs (loop0): group descriptors corrupted! [ 605.539453][T18184] __kernfs_new_node+0x6a/0x330 [ 605.550501][T18184] ? __cond_resched+0x11/0x40 [ 605.553054][T18190] loop4: detected capacity change from 0 to 4 [ 605.555214][T18184] ? mutex_lock+0x9/0x30 [ 605.555233][T18184] kernfs_new_node+0x5b/0xd0 [ 605.567118][T18190] EXT4-fs (loop4): Can't read superblock on 2nd try [ 605.570063][T18184] __kernfs_create_file+0x45/0x1a0 [ 605.570084][T18184] sysfs_add_file_mode_ns+0x1c1/0x250 [ 605.580870][T18193] loop2: detected capacity change from 0 to 11 [ 605.581732][T18184] internal_create_group+0x2e4/0x850 [ 605.581754][T18184] ? set_disk_ro+0x73/0x110 [ 605.594295][T18193] FAT-fs (loop2): Unrecognized mount option "" or missing value [ 605.598505][T18184] sysfs_create_group+0x1b/0x20 [ 605.603445][T18194] loop5: detected capacity change from 0 to 4 [ 605.610704][T18184] loop_configure+0xbb1/0xeb0 [ 605.610730][T18184] lo_ioctl+0x59b/0x1340 [ 605.623320][T18194] EXT4-fs (loop5): Can't read superblock on 2nd try [ 605.626265][T18184] ? path_openat+0x18e4/0x1f20 [ 605.641803][T18184] ? putname+0xa5/0xc0 [ 605.645855][T18184] ? ___cache_free+0x3c/0x300 [ 605.650518][T18184] ? blkdev_common_ioctl+0x9c3/0x1040 [ 605.655878][T18184] ? selinux_file_ioctl+0x8e0/0x970 [ 605.661088][T18184] ? lo_release+0x120/0x120 [ 605.665567][T18184] blkdev_ioctl+0x1d0/0x3c0 [ 605.670611][T18184] block_ioctl+0x6d/0x80 [ 605.674957][T18184] ? blkdev_iopoll+0x70/0x70 [ 605.679550][T18184] __se_sys_ioctl+0xcb/0x140 [ 605.684138][T18184] __x64_sys_ioctl+0x3f/0x50 [ 605.688729][T18184] do_syscall_64+0x3d/0x90 [ 605.693130][T18184] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 605.699005][T18184] RIP: 0033:0x4663a7 [ 605.702875][T18184] 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 [ 605.722471][T18184] RSP: 002b:00007f4126cd6f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 605.730896][T18184] RAX: ffffffffffffffda RBX: 00000000004afcc0 RCX: 00000000004663a7 [ 605.738845][T18184] RDX: 0000000000000004 RSI: 0000000000004c00 RDI: 0000000000000005 [ 605.746811][T18184] RBP: 0000000000000005 R08: 0000000000000000 R09: ffffffffffffffff [ 605.754815][T18184] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 605.762777][T18184] R13: 0000000000000004 R14: 0000000020000218 R15: 0000000000000001 [ 605.771857][T18184] loop1: detected capacity change from 0 to 4 [ 605.780926][T18184] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 605.791903][T18177] loop3: detected capacity change from 0 to 4 [ 605.804704][T18172] loop0: detected capacity change from 0 to 512 [ 605.812676][T18187] loop2: detected capacity change from 0 to 11 [ 605.814149][T18190] loop4: detected capacity change from 0 to 4 21:19:25 executing program 1 (fault-call:0 fault-nth:26): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 605.832413][T18194] loop5: detected capacity change from 0 to 4 [ 605.838874][T18177] EXT4-fs (loop3): Can't read superblock on 2nd try [ 605.845735][T18172] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 605.855495][T18172] EXT4-fs (loop0): group descriptors corrupted! [ 605.862416][T18194] EXT4-fs (loop5): Can't read superblock on 2nd try [ 605.867718][T18190] EXT4-fs (loop4): Can't read superblock on 2nd try 21:19:25 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}], [], 0xe}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 605.877246][T18215] loop1: detected capacity change from 0 to 4 [ 605.884390][T18215] FAULT_INJECTION: forcing a failure. [ 605.884390][T18215] name failslab, interval 1, probability 0, space 0, times 0 [ 605.896999][T18215] CPU: 0 PID: 18215 Comm: syz-executor.1 Not tainted 5.14.0-rc4-syzkaller #0 [ 605.905798][T18215] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 605.915844][T18215] Call Trace: [ 605.919105][T18215] dump_stack_lvl+0xb7/0x103 [ 605.923673][T18215] dump_stack+0x11/0x1a [ 605.927803][T18215] should_fail+0x23c/0x250 [ 605.932256][T18215] __should_failslab+0x81/0x90 [ 605.937033][T18215] ? kobject_uevent_env+0x1a7/0xc40 [ 605.942243][T18215] should_failslab+0x5/0x20 [ 605.946725][T18215] kmem_cache_alloc_trace+0x49/0x310 [ 605.952059][T18215] ? dev_uevent_filter+0x70/0x70 [ 605.956976][T18215] kobject_uevent_env+0x1a7/0xc40 [ 605.962023][T18215] ? set_capacity_and_notify+0x1ac/0x1c0 [ 605.967729][T18215] kobject_uevent+0x18/0x20 [ 605.972295][T18215] loop_configure+0xcc5/0xeb0 [ 605.976971][T18215] lo_ioctl+0x59b/0x1340 [ 605.981207][T18215] ? path_openat+0x18e4/0x1f20 [ 605.985951][T18215] ? putname+0xa5/0xc0 [ 605.990002][T18215] ? ___cache_free+0x3c/0x300 [ 605.994664][T18215] ? blkdev_common_ioctl+0x9c3/0x1040 [ 606.000108][T18215] ? selinux_file_ioctl+0x8e0/0x970 [ 606.005317][T18215] ? lo_release+0x120/0x120 [ 606.009800][T18215] blkdev_ioctl+0x1d0/0x3c0 [ 606.014286][T18215] block_ioctl+0x6d/0x80 [ 606.018512][T18215] ? blkdev_iopoll+0x70/0x70 [ 606.023081][T18215] __se_sys_ioctl+0xcb/0x140 [ 606.027663][T18215] __x64_sys_ioctl+0x3f/0x50 [ 606.032293][T18215] do_syscall_64+0x3d/0x90 [ 606.036725][T18215] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 606.042602][T18215] RIP: 0033:0x4663a7 [ 606.046472][T18215] 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 [ 606.066056][T18215] RSP: 002b:00007f4126cd6f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 606.074449][T18215] RAX: ffffffffffffffda RBX: 00000000004afcc0 RCX: 00000000004663a7 21:19:25 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f100000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:25 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000090000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:25 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300012000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:19:25 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000500000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 606.082404][T18215] RDX: 0000000000000004 RSI: 0000000000004c00 RDI: 0000000000000005 [ 606.090357][T18215] RBP: 0000000000000005 R08: 0000000000000000 R09: ffffffffffffffff [ 606.098309][T18215] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 606.106310][T18215] R13: 0000000000000004 R14: 0000000020000218 R15: 0000000000000001 [ 606.170166][T18228] loop3: detected capacity change from 0 to 4 [ 606.170435][T18227] loop2: detected capacity change from 0 to 11 [ 606.183086][T18230] loop0: detected capacity change from 0 to 512 [ 606.186662][T18233] loop5: detected capacity change from 0 to 4 [ 606.191196][T18232] loop4: detected capacity change from 0 to 4 [ 606.197296][T18227] FAT-fs (loop2): Unrecognized mount option "" or missing value [ 606.209425][T18228] EXT4-fs (loop3): Can't read superblock on 2nd try 21:19:25 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f110000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 606.216404][T18233] EXT4-fs (loop5): Can't read superblock on 2nd try [ 606.216780][T18230] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 606.232754][T18230] EXT4-fs (loop0): group descriptors corrupted! [ 606.241780][T18232] EXT4-fs (loop4): Can't read superblock on 2nd try [ 606.253739][T18227] loop2: detected capacity change from 0 to 11 [ 606.262501][T18227] FAT-fs (loop2): Unrecognized mount option "" or missing value 21:19:25 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}], [], 0xf}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 606.280210][T18215] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 606.295878][T18233] loop5: detected capacity change from 0 to 4 [ 606.306402][T18251] loop3: detected capacity change from 0 to 4 [ 606.312536][T18232] loop4: detected capacity change from 0 to 4 [ 606.318030][T18233] EXT4-fs (loop5): Can't read superblock on 2nd try 21:19:25 executing program 1 (fault-call:0 fault-nth:27): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 606.328057][T18230] loop0: detected capacity change from 0 to 512 [ 606.329750][T18251] EXT4-fs (loop3): Can't read superblock on 2nd try [ 606.337949][T18232] EXT4-fs (loop4): Can't read superblock on 2nd try [ 606.362186][T18259] loop2: detected capacity change from 0 to 11 [ 606.370348][T18259] FAT-fs (loop2): Unrecognized mount option "" or missing value [ 606.371768][T18251] loop3: detected capacity change from 0 to 4 [ 606.390605][T18230] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 606.397834][T18268] loop1: detected capacity change from 0 to 4 [ 606.400401][T18230] EXT4-fs (loop0): group descriptors corrupted! [ 606.407741][T18268] FAULT_INJECTION: forcing a failure. [ 606.407741][T18268] name failslab, interval 1, probability 0, space 0, times 0 [ 606.425279][T18268] CPU: 1 PID: 18268 Comm: syz-executor.1 Not tainted 5.14.0-rc4-syzkaller #0 [ 606.434037][T18268] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 606.444085][T18268] Call Trace: [ 606.447358][T18268] dump_stack_lvl+0xb7/0x103 [ 606.451741][T18251] EXT4-fs (loop3): Can't read superblock on 2nd try [ 606.451969][T18268] dump_stack+0x11/0x1a [ 606.458827][T18272] loop5: detected capacity change from 0 to 4 [ 606.462661][T18268] should_fail+0x23c/0x250 [ 606.462686][T18268] ? kzalloc+0x1d/0x30 21:19:25 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f0000000a0000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:25 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000600000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 606.462704][T18268] __should_failslab+0x81/0x90 [ 606.481488][T18272] EXT4-fs (loop5): Can't read superblock on 2nd try [ 606.481972][T18268] should_failslab+0x5/0x20 [ 606.481993][T18268] __kmalloc+0x66/0x340 [ 606.497174][T18268] kzalloc+0x1d/0x30 [ 606.501102][T18268] kobject_get_path+0x7c/0x110 [ 606.505866][T18268] kobject_uevent_env+0x1be/0xc40 [ 606.510595][T18277] loop4: detected capacity change from 0 to 4 [ 606.510908][T18268] ? set_capacity_and_notify+0x1ac/0x1c0 [ 606.522557][T18268] kobject_uevent+0x18/0x20 [ 606.524243][T18277] EXT4-fs (loop4): Can't read superblock on 2nd try [ 606.527077][T18268] loop_configure+0xcc5/0xeb0 [ 606.527102][T18268] lo_ioctl+0x59b/0x1340 [ 606.542538][T18268] ? path_openat+0x18e4/0x1f20 [ 606.547295][T18268] ? putname+0xa5/0xc0 [ 606.551344][T18268] ? ___cache_free+0x3c/0x300 [ 606.556063][T18268] ? blkdev_common_ioctl+0x9c3/0x1040 [ 606.561417][T18268] ? selinux_file_ioctl+0x8e0/0x970 [ 606.566591][T18268] ? lo_release+0x120/0x120 [ 606.571125][T18268] blkdev_ioctl+0x1d0/0x3c0 [ 606.575607][T18268] block_ioctl+0x6d/0x80 [ 606.579849][T18268] ? blkdev_iopoll+0x70/0x70 [ 606.584425][T18268] __se_sys_ioctl+0xcb/0x140 [ 606.589002][T18268] __x64_sys_ioctl+0x3f/0x50 [ 606.593615][T18268] do_syscall_64+0x3d/0x90 [ 606.598019][T18268] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 606.603891][T18268] RIP: 0033:0x4663a7 [ 606.607887][T18268] 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 21:19:25 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f120000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 606.627496][T18268] RSP: 002b:00007f4126cd6f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 606.635978][T18268] RAX: ffffffffffffffda RBX: 00000000004afcc0 RCX: 00000000004663a7 [ 606.643988][T18268] RDX: 0000000000000004 RSI: 0000000000004c00 RDI: 0000000000000005 [ 606.651952][T18268] RBP: 0000000000000005 R08: 0000000000000000 R09: ffffffffffffffff [ 606.659951][T18268] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 606.667936][T18268] R13: 0000000000000004 R14: 0000000020000218 R15: 0000000000000001 21:19:25 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300022000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 606.698956][T18272] loop5: detected capacity change from 0 to 4 [ 606.708655][T18268] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 606.709665][T18259] loop2: detected capacity change from 0 to 11 [ 606.730312][T18277] loop4: detected capacity change from 0 to 4 [ 606.737296][T18272] EXT4-fs (loop5): Can't read superblock on 2nd try 21:19:26 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}], [], 0x10}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 606.744307][T18277] EXT4-fs (loop4): Can't read superblock on 2nd try [ 606.760524][T18294] loop3: detected capacity change from 0 to 4 [ 606.760861][T18296] loop0: detected capacity change from 0 to 512 [ 606.774888][T18294] EXT4-fs (loop3): Can't read superblock on 2nd try 21:19:26 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f040600000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:26 executing program 1 (fault-call:0 fault-nth:28): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:26 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f0000000b0000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 606.808323][T18296] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 606.818118][T18296] EXT4-fs (loop0): group descriptors corrupted! [ 606.841124][T18309] loop5: detected capacity change from 0 to 4 21:19:26 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f1c0000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 606.853731][T18310] loop1: detected capacity change from 0 to 4 [ 606.854698][T18314] loop2: detected capacity change from 0 to 11 [ 606.870001][T18309] EXT4-fs (loop5): Can't read superblock on 2nd try [ 606.875542][T18315] loop4: detected capacity change from 0 to 4 [ 606.877747][T18310] FAULT_INJECTION: forcing a failure. [ 606.877747][T18310] name failslab, interval 1, probability 0, space 0, times 0 [ 606.895280][T18310] CPU: 1 PID: 18310 Comm: syz-executor.1 Not tainted 5.14.0-rc4-syzkaller #0 [ 606.899071][T18320] loop3: detected capacity change from 0 to 4 [ 606.904049][T18310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 606.904071][T18310] Call Trace: [ 606.904077][T18310] dump_stack_lvl+0xb7/0x103 [ 606.904104][T18310] dump_stack+0x11/0x1a [ 606.932132][T18310] should_fail+0x23c/0x250 [ 606.936547][T18310] __should_failslab+0x81/0x90 [ 606.941294][T18310] should_failslab+0x5/0x20 [ 606.945775][T18310] kmem_cache_alloc_node+0x58/0x2b0 [ 606.951006][T18310] ? __alloc_skb+0xed/0x420 [ 606.955492][T18310] __alloc_skb+0xed/0x420 [ 606.959799][T18310] alloc_uevent_skb+0x5b/0x120 [ 606.964581][T18310] kobject_uevent_env+0x863/0xc40 [ 606.969627][T18310] ? set_capacity_and_notify+0x1ac/0x1c0 [ 606.975243][T18310] kobject_uevent+0x18/0x20 [ 606.979725][T18310] loop_configure+0xcc5/0xeb0 [ 606.984395][T18310] lo_ioctl+0x59b/0x1340 [ 606.988630][T18310] ? path_openat+0x18e4/0x1f20 [ 606.993372][T18310] ? putname+0xa5/0xc0 [ 606.997501][T18310] ? ___cache_free+0x3c/0x300 [ 607.002261][T18310] ? blkdev_common_ioctl+0x9c3/0x1040 [ 607.007634][T18310] ? selinux_file_ioctl+0x8e0/0x970 [ 607.012812][T18310] ? lo_release+0x120/0x120 [ 607.017304][T18310] blkdev_ioctl+0x1d0/0x3c0 [ 607.021861][T18310] block_ioctl+0x6d/0x80 [ 607.026125][T18310] ? blkdev_iopoll+0x70/0x70 [ 607.030727][T18310] __se_sys_ioctl+0xcb/0x140 [ 607.035297][T18310] __x64_sys_ioctl+0x3f/0x50 [ 607.039871][T18310] do_syscall_64+0x3d/0x90 [ 607.044278][T18310] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 607.050201][T18310] RIP: 0033:0x4663a7 [ 607.054130][T18310] 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 [ 607.073713][T18310] RSP: 002b:00007f4126cd6f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 607.082143][T18310] RAX: ffffffffffffffda RBX: 00000000004afcc0 RCX: 00000000004663a7 [ 607.090188][T18310] RDX: 0000000000000004 RSI: 0000000000004c00 RDI: 0000000000000005 [ 607.098177][T18310] RBP: 0000000000000005 R08: 0000000000000000 R09: ffffffffffffffff [ 607.106191][T18310] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 607.114140][T18310] R13: 0000000000000004 R14: 0000000020000218 R15: 0000000000000001 [ 607.134833][T18296] loop0: detected capacity change from 0 to 512 [ 607.134976][T18309] loop5: detected capacity change from 0 to 4 [ 607.153411][T18310] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 607.163527][T18320] EXT4-fs (loop3): Can't read superblock on 2nd try [ 607.166653][T18315] EXT4-fs (loop4): Can't read superblock on 2nd try [ 607.181075][T18309] EXT4-fs (loop5): Can't read superblock on 2nd try [ 607.185595][T18296] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 607.197402][T18296] EXT4-fs (loop0): group descriptors corrupted! 21:19:26 executing program 1 (fault-call:0 fault-nth:29): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:26 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000700000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:26 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300025000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 607.212480][T18314] loop2: detected capacity change from 0 to 11 [ 607.222197][T18315] loop4: detected capacity change from 0 to 4 [ 607.238447][T18320] loop3: detected capacity change from 0 to 4 [ 607.252220][T18315] EXT4-fs (loop4): Can't read superblock on 2nd try 21:19:26 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}], [], 0x11}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 607.261317][T18348] loop5: detected capacity change from 0 to 4 [ 607.261318][T18345] loop1: detected capacity change from 0 to 4 [ 607.269601][T18348] EXT4-fs (loop5): Can't read superblock on 2nd try [ 607.278897][T18349] loop0: detected capacity change from 0 to 512 [ 607.288004][T18320] EXT4-fs (loop3): Can't read superblock on 2nd try [ 607.302112][T18345] FAULT_INJECTION: forcing a failure. [ 607.302112][T18345] name failslab, interval 1, probability 0, space 0, times 0 [ 607.314721][T18345] CPU: 1 PID: 18345 Comm: syz-executor.1 Not tainted 5.14.0-rc4-syzkaller #0 [ 607.314917][T18349] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 607.323471][T18345] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 607.323484][T18345] Call Trace: [ 607.323490][T18345] dump_stack_lvl+0xb7/0x103 [ 607.333209][T18349] EXT4-fs (loop0): group descriptors corrupted! [ 607.343223][T18345] dump_stack+0x11/0x1a [ 607.343240][T18345] should_fail+0x23c/0x250 [ 607.366009][T18345] __should_failslab+0x81/0x90 [ 607.370800][T18345] should_failslab+0x5/0x20 [ 607.375302][T18345] kmem_cache_alloc_node_trace+0x58/0x2e0 [ 607.381002][T18345] ? __kmalloc_node_track_caller+0x30/0x40 [ 607.386877][T18345] ? kmem_cache_alloc_node+0x1d4/0x2b0 [ 607.392367][T18345] __kmalloc_node_track_caller+0x30/0x40 [ 607.397993][T18345] ? alloc_uevent_skb+0x5b/0x120 [ 607.402911][T18345] __alloc_skb+0x187/0x420 [ 607.407313][T18345] alloc_uevent_skb+0x5b/0x120 [ 607.412066][T18345] kobject_uevent_env+0x863/0xc40 [ 607.417105][T18345] ? set_capacity_and_notify+0x1ac/0x1c0 [ 607.422717][T18345] kobject_uevent+0x18/0x20 [ 607.427222][T18345] loop_configure+0xcc5/0xeb0 [ 607.431924][T18345] lo_ioctl+0x59b/0x1340 [ 607.436160][T18345] ? path_openat+0x18e4/0x1f20 [ 607.440912][T18345] ? putname+0xa5/0xc0 [ 607.444962][T18345] ? ___cache_free+0x3c/0x300 [ 607.449798][T18345] ? blkdev_common_ioctl+0x9c3/0x1040 [ 607.455188][T18345] ? selinux_file_ioctl+0x8e0/0x970 [ 607.460359][T18345] ? lo_release+0x120/0x120 [ 607.464869][T18345] blkdev_ioctl+0x1d0/0x3c0 [ 607.469349][T18345] block_ioctl+0x6d/0x80 [ 607.473648][T18345] ? blkdev_iopoll+0x70/0x70 [ 607.478309][T18345] __se_sys_ioctl+0xcb/0x140 [ 607.482874][T18345] __x64_sys_ioctl+0x3f/0x50 [ 607.487474][T18345] do_syscall_64+0x3d/0x90 [ 607.491928][T18345] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 607.497800][T18345] RIP: 0033:0x4663a7 [ 607.501714][T18345] 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 [ 607.521312][T18345] RSP: 002b:00007f4126cd6f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 607.529695][T18345] RAX: ffffffffffffffda RBX: 00000000004afcc0 RCX: 00000000004663a7 [ 607.537649][T18345] RDX: 0000000000000004 RSI: 0000000000004c00 RDI: 0000000000000005 [ 607.545601][T18345] RBP: 0000000000000005 R08: 0000000000000000 R09: ffffffffffffffff [ 607.553683][T18345] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 21:19:26 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f220000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 607.561630][T18345] R13: 0000000000000004 R14: 0000000020000218 R15: 0000000000000001 [ 607.579596][T18345] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) 21:19:26 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f0000000c0000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 607.605829][T18349] loop0: detected capacity change from 0 to 512 [ 607.616313][T18348] loop5: detected capacity change from 0 to 4 [ 607.627648][T18367] loop4: detected capacity change from 0 to 4 [ 607.636788][T18367] EXT4-fs (loop4): Can't read superblock on 2nd try [ 607.638074][T18348] EXT4-fs (loop5): Can't read superblock on 2nd try [ 607.651428][T18366] loop3: detected capacity change from 0 to 4 [ 607.652102][T18349] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 607.667252][T18349] EXT4-fs (loop0): group descriptors corrupted! [ 607.681926][T18370] loop2: detected capacity change from 0 to 11 [ 607.689336][T18366] EXT4-fs (loop3): Can't read superblock on 2nd try [ 607.693278][T18370] FAT-fs (loop2): Unrecognized mount option "" or missing value 21:19:26 executing program 1 (fault-call:0 fault-nth:30): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:27 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000400000000300000030002e000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:19:27 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000900000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 607.704975][T18367] loop4: detected capacity change from 0 to 4 [ 607.711411][T18367] EXT4-fs (loop4): Can't read superblock on 2nd try [ 607.739914][T18385] loop1: detected capacity change from 0 to 4 [ 607.739950][T18386] loop0: detected capacity change from 0 to 512 [ 607.746045][T18385] FAULT_INJECTION: forcing a failure. [ 607.746045][T18385] name failslab, interval 1, probability 0, space 0, times 0 [ 607.761071][T18388] loop5: detected capacity change from 0 to 4 [ 607.764879][T18385] CPU: 1 PID: 18385 Comm: syz-executor.1 Not tainted 5.14.0-rc4-syzkaller #0 [ 607.779697][T18385] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 607.789763][T18385] Call Trace: [ 607.793027][T18385] dump_stack_lvl+0xb7/0x103 [ 607.797615][T18385] dump_stack+0x11/0x1a [ 607.801747][T18385] should_fail+0x23c/0x250 [ 607.806240][T18385] ? skb_clone+0x12c/0x1f0 [ 607.810678][T18385] __should_failslab+0x81/0x90 [ 607.815457][T18385] should_failslab+0x5/0x20 [ 607.819939][T18385] kmem_cache_alloc+0x46/0x2e0 [ 607.824752][T18385] skb_clone+0x12c/0x1f0 [ 607.828978][T18385] netlink_broadcast_filtered+0x4fd/0xb60 [ 607.834725][T18385] ? skb_put+0xb9/0xf0 [ 607.838805][T18385] netlink_broadcast+0x35/0x50 [ 607.843589][T18385] kobject_uevent_env+0x8c9/0xc40 [ 607.848623][T18385] ? set_capacity_and_notify+0x1ac/0x1c0 [ 607.854242][T18385] kobject_uevent+0x18/0x20 [ 607.858741][T18385] loop_configure+0xcc5/0xeb0 [ 607.863523][T18385] lo_ioctl+0x59b/0x1340 [ 607.867754][T18385] ? path_openat+0x18e4/0x1f20 [ 607.872509][T18385] ? putname+0xa5/0xc0 [ 607.876631][T18385] ? ___cache_free+0x3c/0x300 [ 607.881395][T18385] ? blkdev_common_ioctl+0x9c3/0x1040 [ 607.886805][T18385] ? selinux_file_ioctl+0x8e0/0x970 [ 607.891989][T18385] ? lo_release+0x120/0x120 [ 607.896507][T18385] blkdev_ioctl+0x1d0/0x3c0 [ 607.901005][T18385] block_ioctl+0x6d/0x80 [ 607.905285][T18385] ? blkdev_iopoll+0x70/0x70 [ 607.909868][T18385] __se_sys_ioctl+0xcb/0x140 [ 607.914436][T18385] __x64_sys_ioctl+0x3f/0x50 [ 607.919016][T18385] do_syscall_64+0x3d/0x90 [ 607.923463][T18385] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 607.929350][T18385] RIP: 0033:0x4663a7 [ 607.933223][T18385] 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 [ 607.952837][T18385] RSP: 002b:00007f4126cd6f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 607.961275][T18385] RAX: ffffffffffffffda RBX: 00000000004afcc0 RCX: 00000000004663a7 [ 607.969258][T18385] RDX: 0000000000000004 RSI: 0000000000004c00 RDI: 0000000000000005 [ 607.977217][T18385] RBP: 0000000000000005 R08: 0000000000000000 R09: ffffffffffffffff [ 607.985165][T18385] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 607.993147][T18385] R13: 0000000000000004 R14: 0000000020000218 R15: 0000000000000001 [ 608.008168][T18386] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 608.018015][T18386] EXT4-fs (loop0): group descriptors corrupted! [ 608.022179][T18388] EXT4-fs (loop5): Can't read superblock on 2nd try [ 608.024813][T18370] loop2: detected capacity change from 0 to 11 [ 608.037741][T18385] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 608.049961][T18366] loop3: detected capacity change from 0 to 4 21:19:27 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f0000000d0000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:27 executing program 1 (fault-call:0 fault-nth:31): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 608.057599][T18366] EXT4-fs (loop3): Can't read superblock on 2nd try [ 608.076461][T18402] loop4: detected capacity change from 0 to 4 [ 608.088678][T18388] loop5: detected capacity change from 0 to 4 [ 608.095315][T18402] EXT4-fs (loop4): Can't read superblock on 2nd try [ 608.112255][T18386] loop0: detected capacity change from 0 to 512 [ 608.113057][T18410] loop1: detected capacity change from 0 to 4 [ 608.125610][T18388] EXT4-fs (loop5): Can't read superblock on 2nd try [ 608.125779][T18410] FAULT_INJECTION: forcing a failure. [ 608.125779][T18410] name failslab, interval 1, probability 0, space 0, times 0 [ 608.134391][T18386] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock 21:19:27 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}], [], 0x12}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:19:27 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f250000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 608.144813][T18410] CPU: 1 PID: 18410 Comm: syz-executor.1 Not tainted 5.14.0-rc4-syzkaller #0 [ 608.144835][T18410] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 608.154540][T18386] EXT4-fs (loop0): group descriptors corrupted! [ 608.163254][T18410] Call Trace: [ 608.163261][T18410] dump_stack_lvl+0xb7/0x103 [ 608.187445][T18410] dump_stack+0x11/0x1a [ 608.188914][T18415] loop3: detected capacity change from 0 to 4 [ 608.191591][T18410] should_fail+0x23c/0x250 [ 608.199526][T18415] EXT4-fs (loop3): Can't read superblock on 2nd try [ 608.202058][T18410] __should_failslab+0x81/0x90 [ 608.202077][T18410] ? call_usermodehelper_setup+0x71/0x190 [ 608.202098][T18410] should_failslab+0x5/0x20 [ 608.202115][T18410] kmem_cache_alloc_trace+0x49/0x310 [ 608.221559][T18402] loop4: detected capacity change from 0 to 4 [ 608.223593][T18410] call_usermodehelper_setup+0x71/0x190 [ 608.232049][T18402] EXT4-fs (loop4): Can't read superblock on 2nd try [ 608.234936][T18410] ? add_uevent_var+0x1c0/0x1c0 [ 608.234960][T18410] kobject_uevent_env+0xb29/0xc40 [ 608.256861][T18410] ? set_capacity_and_notify+0x1ac/0x1c0 [ 608.262474][T18410] kobject_uevent+0x18/0x20 [ 608.267037][T18410] loop_configure+0xcc5/0xeb0 [ 608.271772][T18410] lo_ioctl+0x59b/0x1340 [ 608.275993][T18410] ? path_openat+0x18e4/0x1f20 [ 608.280734][T18410] ? putname+0xa5/0xc0 [ 608.284932][T18410] ? ___cache_free+0x3c/0x300 [ 608.289589][T18410] ? blkdev_common_ioctl+0x9c3/0x1040 [ 608.294968][T18410] ? selinux_file_ioctl+0x8e0/0x970 [ 608.300145][T18410] ? lo_release+0x120/0x120 [ 608.304659][T18410] blkdev_ioctl+0x1d0/0x3c0 [ 608.309145][T18410] block_ioctl+0x6d/0x80 [ 608.313368][T18410] ? blkdev_iopoll+0x70/0x70 [ 608.317954][T18410] __se_sys_ioctl+0xcb/0x140 [ 608.322522][T18410] __x64_sys_ioctl+0x3f/0x50 [ 608.327105][T18410] do_syscall_64+0x3d/0x90 [ 608.331507][T18410] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 608.337398][T18410] RIP: 0033:0x4663a7 [ 608.341280][T18410] 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 [ 608.360872][T18410] RSP: 002b:00007f4126cd6f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 608.369280][T18410] RAX: ffffffffffffffda RBX: 00000000004afcc0 RCX: 00000000004663a7 [ 608.377229][T18410] RDX: 0000000000000004 RSI: 0000000000004c00 RDI: 0000000000000005 [ 608.385227][T18410] RBP: 0000000000000005 R08: 0000000000000000 R09: ffffffffffffffff [ 608.393202][T18410] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 608.401155][T18410] R13: 0000000000000004 R14: 0000000020000218 R15: 0000000000000001 21:19:27 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000a00000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:27 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f0000000e0000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 608.415976][T18410] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) 21:19:27 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300048000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:19:27 executing program 1 (fault-call:0 fault-nth:32): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 608.464873][T18415] loop3: detected capacity change from 0 to 4 [ 608.487074][T18415] EXT4-fs (loop3): Can't read superblock on 2nd try [ 608.493310][T18432] loop4: detected capacity change from 0 to 4 [ 608.500671][T18433] loop5: detected capacity change from 0 to 4 [ 608.504532][T18428] loop2: detected capacity change from 0 to 11 [ 608.515474][T18432] EXT4-fs (loop4): Can't read superblock on 2nd try [ 608.516349][T18435] loop0: detected capacity change from 0 to 512 [ 608.522475][T18433] EXT4-fs (loop5): Can't read superblock on 2nd try [ 608.532412][T18428] FAT-fs (loop2): Unrecognized mount option "" or missing value [ 608.543952][T18435] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 608.546824][T18441] loop1: detected capacity change from 0 to 4 21:19:27 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f2e0000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 608.553825][T18435] EXT4-fs (loop0): group descriptors corrupted! [ 608.568826][T18432] loop4: detected capacity change from 0 to 4 [ 608.575574][T18432] EXT4-fs (loop4): Can't read superblock on 2nd try [ 608.578026][T18441] FAULT_INJECTION: forcing a failure. [ 608.578026][T18441] name failslab, interval 1, probability 0, space 0, times 0 [ 608.594851][T18441] CPU: 1 PID: 18441 Comm: syz-executor.1 Not tainted 5.14.0-rc4-syzkaller #0 [ 608.603610][T18441] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 608.613671][T18441] Call Trace: [ 608.616941][T18441] dump_stack_lvl+0xb7/0x103 [ 608.621126][T18453] loop3: detected capacity change from 0 to 4 [ 608.621526][T18441] dump_stack+0x11/0x1a [ 608.621545][T18441] should_fail+0x23c/0x250 [ 608.621566][T18441] ? getname_flags+0x84/0x3d0 [ 608.635365][T18453] EXT4-fs (loop3): Can't read superblock on 2nd try [ 608.636132][T18441] __should_failslab+0x81/0x90 [ 608.636172][T18441] should_failslab+0x5/0x20 [ 608.656932][T18441] kmem_cache_alloc+0x46/0x2e0 [ 608.661752][T18441] getname_flags+0x84/0x3d0 [ 608.666262][T18441] ? __schedule+0x42a/0x670 [ 608.670756][T18441] do_mkdirat+0x3b/0x200 [ 608.674990][T18441] __x64_sys_mkdir+0x32/0x40 [ 608.679567][T18441] do_syscall_64+0x3d/0x90 [ 608.683999][T18441] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 608.689874][T18441] RIP: 0033:0x4656f7 [ 608.693762][T18441] 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 [ 608.713347][T18441] RSP: 002b:00007f4126cd6fa8 EFLAGS: 00000213 ORIG_RAX: 0000000000000053 [ 608.721774][T18441] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00000000004656f7 [ 608.729738][T18441] RDX: 0000000000000004 RSI: 00000000000001ff RDI: 0000000020000100 [ 608.737751][T18441] RBP: 00007f4126cd7040 R08: 0000000000000000 R09: ffffffffffffffff [ 608.745724][T18441] R10: 0000000000000000 R11: 0000000000000213 R12: 0000000020000000 [ 608.753683][T18441] R13: 0000000020000100 R14: 00007f4126cd7000 R15: 0000000020000040 21:19:28 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f0000000f0000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 608.769714][T18433] loop5: detected capacity change from 0 to 4 [ 608.769717][T18435] loop0: detected capacity change from 0 to 512 [ 608.781336][T18428] loop2: detected capacity change from 0 to 2176 [ 608.788468][T18433] EXT4-fs (loop5): Can't read superblock on 2nd try [ 608.795704][T18435] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 608.805501][T18435] EXT4-fs (loop0): group descriptors corrupted! 21:19:28 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}], [], 0x22}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:19:28 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000b00000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:28 executing program 1 (fault-call:0 fault-nth:33): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 608.823887][T18453] loop3: detected capacity change from 0 to 4 [ 608.848382][T18453] EXT4-fs (loop3): Can't read superblock on 2nd try [ 608.855241][T18467] loop4: detected capacity change from 0 to 4 [ 608.864599][T18467] EXT4-fs (loop4): Can't read superblock on 2nd try 21:19:28 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000400000000300000030004c000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 608.883072][T18474] loop5: detected capacity change from 0 to 4 [ 608.890153][T18479] loop1: detected capacity change from 0 to 4 [ 608.898925][T18474] EXT4-fs (loop5): Can't read superblock on 2nd try [ 608.910791][T18479] FAULT_INJECTION: forcing a failure. [ 608.910791][T18479] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 608.923893][T18479] CPU: 0 PID: 18479 Comm: syz-executor.1 Not tainted 5.14.0-rc4-syzkaller #0 [ 608.932650][T18479] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 608.932811][T18485] loop2: detected capacity change from 0 to 11 [ 608.942701][T18479] Call Trace: [ 608.949965][T18486] loop0: detected capacity change from 0 to 512 [ 608.952152][T18479] dump_stack_lvl+0xb7/0x103 [ 608.952175][T18479] dump_stack+0x11/0x1a [ 608.964046][T18485] FAT-fs (loop2): Unrecognized mount option """ or missing value [ 608.967126][T18479] should_fail+0x23c/0x250 [ 608.979170][T18479] should_fail_usercopy+0x16/0x20 [ 608.984251][T18479] strncpy_from_user+0x21/0x250 [ 608.987652][T18467] loop4: detected capacity change from 0 to 4 [ 608.989163][T18479] getname_flags+0xb8/0x3d0 [ 608.995920][T18486] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 608.999680][T18479] do_mkdirat+0x3b/0x200 [ 608.999706][T18479] __x64_sys_mkdir+0x32/0x40 [ 609.009439][T18486] EXT4-fs (loop0): group descriptors corrupted! [ 609.013634][T18479] do_syscall_64+0x3d/0x90 [ 609.023736][T18467] EXT4-fs (loop4): Can't read superblock on 2nd try [ 609.024426][T18479] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 609.024451][T18479] RIP: 0033:0x4656f7 [ 609.045138][T18479] 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 [ 609.064722][T18479] RSP: 002b:00007f4126cd6fa8 EFLAGS: 00000213 ORIG_RAX: 0000000000000053 [ 609.073140][T18479] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00000000004656f7 21:19:28 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f480000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 609.081148][T18479] RDX: 0000000000000004 RSI: 00000000000001ff RDI: 0000000020000100 [ 609.089213][T18479] RBP: 00007f4126cd7040 R08: 0000000000000000 R09: ffffffffffffffff [ 609.097163][T18479] R10: 0000000000000000 R11: 0000000000000213 R12: 0000000020000000 [ 609.105114][T18479] R13: 0000000020000100 R14: 00007f4126cd7000 R15: 0000000020000040 21:19:28 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000100000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:28 executing program 1 (fault-call:0 fault-nth:34): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 609.140960][T18501] loop3: detected capacity change from 0 to 4 [ 609.146484][T18486] loop0: detected capacity change from 0 to 512 [ 609.153492][T18474] loop5: detected capacity change from 0 to 4 [ 609.160333][T18501] EXT4-fs (loop3): Can't read superblock on 2nd try [ 609.166601][T18485] loop2: detected capacity change from 0 to 2176 21:19:28 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}], [], 0x25}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 609.185064][T18474] EXT4-fs (loop5): Can't read superblock on 2nd try [ 609.197120][T18486] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 609.206875][T18486] EXT4-fs (loop0): group descriptors corrupted! [ 609.213479][T18511] loop4: detected capacity change from 0 to 4 [ 609.233201][T18511] EXT4-fs (loop4): Can't read superblock on 2nd try [ 609.234680][T18515] loop1: detected capacity change from 0 to 4 [ 609.242209][T18501] loop3: detected capacity change from 0 to 4 [ 609.247583][T18515] FAULT_INJECTION: forcing a failure. [ 609.247583][T18515] name failslab, interval 1, probability 0, space 0, times 0 [ 609.255512][T18501] EXT4-fs (loop3): Can't read superblock on 2nd try [ 609.264531][T18515] CPU: 1 PID: 18515 Comm: syz-executor.1 Not tainted 5.14.0-rc4-syzkaller #0 [ 609.264552][T18515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 609.289919][T18515] Call Trace: [ 609.293180][T18515] dump_stack_lvl+0xb7/0x103 [ 609.297798][T18515] dump_stack+0x11/0x1a [ 609.301928][T18515] should_fail+0x23c/0x250 [ 609.306336][T18515] ? __d_alloc+0x36/0x370 [ 609.310652][T18515] __should_failslab+0x81/0x90 [ 609.315399][T18515] should_failslab+0x5/0x20 [ 609.319889][T18515] kmem_cache_alloc+0x46/0x2e0 [ 609.324631][T18515] __d_alloc+0x36/0x370 [ 609.328768][T18515] ? putname+0xa5/0xc0 [ 609.332825][T18515] d_alloc+0x2a/0x130 [ 609.336858][T18515] __lookup_hash+0x8f/0x180 [ 609.341338][T18515] filename_create+0xdb/0x3c0 [ 609.346000][T18515] do_mkdirat+0x59/0x200 [ 609.350250][T18515] __x64_sys_mkdir+0x32/0x40 [ 609.354825][T18515] do_syscall_64+0x3d/0x90 [ 609.359265][T18515] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 609.365147][T18515] RIP: 0033:0x4656f7 [ 609.369021][T18515] 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 [ 609.388683][T18515] RSP: 002b:00007f4126cd6fa8 EFLAGS: 00000213 ORIG_RAX: 0000000000000053 [ 609.397081][T18515] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00000000004656f7 [ 609.405054][T18515] RDX: 0000000000000004 RSI: 00000000000001ff RDI: 0000000020000100 [ 609.413030][T18515] RBP: 00007f4126cd7040 R08: 0000000000000000 R09: ffffffffffffffff [ 609.420977][T18515] R10: 0000000000000000 R11: 0000000000000213 R12: 0000000020000000 [ 609.428970][T18515] R13: 0000000020000100 R14: 00007f4126cd7000 R15: 0000000020000040 21:19:28 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000c00000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:28 executing program 1 (fault-call:0 fault-nth:35): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:28 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300060000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:19:28 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f4c0000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 609.462240][T18511] loop4: detected capacity change from 0 to 4 [ 609.484040][T18511] EXT4-fs (loop4): Can't read superblock on 2nd try [ 609.502890][T18532] loop5: detected capacity change from 0 to 4 [ 609.510672][T18532] EXT4-fs (loop5): Can't read superblock on 2nd try 21:19:28 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000004100000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 609.532986][T18540] loop1: detected capacity change from 0 to 4 [ 609.536519][T18542] loop3: detected capacity change from 0 to 4 [ 609.545292][T18537] loop2: detected capacity change from 0 to 11 [ 609.548336][T18541] loop0: detected capacity change from 0 to 512 [ 609.553360][T18537] FAT-fs (loop2): Unrecognized mount option "%" or missing value [ 609.567116][T18540] FAULT_INJECTION: forcing a failure. [ 609.567116][T18540] name failslab, interval 1, probability 0, space 0, times 0 [ 609.579736][T18540] CPU: 1 PID: 18540 Comm: syz-executor.1 Not tainted 5.14.0-rc4-syzkaller #0 [ 609.580788][T18542] EXT4-fs (loop3): Can't read superblock on 2nd try [ 609.588485][T18540] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 609.588497][T18540] Call Trace: [ 609.588523][T18540] dump_stack_lvl+0xb7/0x103 [ 609.597212][T18541] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 609.605145][T18540] dump_stack+0x11/0x1a [ 609.605164][T18540] should_fail+0x23c/0x250 [ 609.605186][T18540] ? ext4_alloc_inode+0x27/0x300 [ 609.608446][T18541] EXT4-fs (loop0): group descriptors corrupted! [ 609.613023][T18540] __should_failslab+0x81/0x90 [ 609.613041][T18540] ? set_qf_name+0x230/0x230 [ 609.613056][T18540] should_failslab+0x5/0x20 [ 609.626307][T18546] loop4: detected capacity change from 0 to 4 [ 609.626893][T18540] kmem_cache_alloc+0x46/0x2e0 [ 609.634554][T18546] EXT4-fs (loop4): Can't read superblock on 2nd try [ 609.636200][T18540] ? ebitmap_destroy+0x91/0xa0 [ 609.636226][T18540] ? set_qf_name+0x230/0x230 [ 609.682940][T18540] ext4_alloc_inode+0x27/0x300 [ 609.687740][T18540] ? set_qf_name+0x230/0x230 [ 609.692316][T18540] new_inode_pseudo+0x38/0x1c0 [ 609.697081][T18540] new_inode+0x21/0x120 [ 609.701222][T18540] __ext4_new_inode+0x126/0x2f70 [ 609.706167][T18540] ? __dquot_initialize+0x131/0x7e0 [ 609.711349][T18540] ext4_mkdir+0x28a/0x760 [ 609.715669][T18540] vfs_mkdir+0x2a4/0x370 [ 609.719926][T18540] do_mkdirat+0x11d/0x200 [ 609.724365][T18540] __x64_sys_mkdir+0x32/0x40 [ 609.728995][T18540] do_syscall_64+0x3d/0x90 [ 609.733392][T18540] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 609.739290][T18540] RIP: 0033:0x4656f7 [ 609.743165][T18540] 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 [ 609.762802][T18540] RSP: 002b:00007f4126cd6fa8 EFLAGS: 00000213 ORIG_RAX: 0000000000000053 [ 609.771221][T18540] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00000000004656f7 [ 609.779170][T18540] RDX: 0000000000000004 RSI: 00000000000001ff RDI: 0000000020000100 [ 609.787121][T18540] RBP: 00007f4126cd7040 R08: 0000000000000000 R09: ffffffffffffffff [ 609.795101][T18540] R10: 0000000000000000 R11: 0000000000000213 R12: 0000000020000000 [ 609.803076][T18540] R13: 0000000020000100 R14: 00007f4126cd7000 R15: 0000000020000040 [ 609.812509][T18532] loop5: detected capacity change from 0 to 4 [ 609.818933][T18532] EXT4-fs (loop5): Can't read superblock on 2nd try 21:19:29 executing program 1 (fault-call:0 fault-nth:36): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 609.828587][T18546] loop4: detected capacity change from 0 to 4 [ 609.836389][T18542] loop3: detected capacity change from 0 to 4 [ 609.842772][T18541] loop0: detected capacity change from 0 to 512 [ 609.852408][T18542] EXT4-fs (loop3): Can't read superblock on 2nd try [ 609.853407][T18537] loop2: detected capacity change from 0 to 2176 [ 609.865422][T18546] EXT4-fs (loop4): Can't read superblock on 2nd try 21:19:29 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f280c00000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 609.875261][T18541] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 609.880418][T18566] loop1: detected capacity change from 0 to 4 [ 609.885061][T18541] EXT4-fs (loop0): group descriptors corrupted! [ 609.898168][T18566] FAULT_INJECTION: forcing a failure. [ 609.898168][T18566] name failslab, interval 1, probability 0, space 0, times 0 [ 609.910794][T18566] CPU: 1 PID: 18566 Comm: syz-executor.1 Not tainted 5.14.0-rc4-syzkaller #0 [ 609.919605][T18566] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 609.929649][T18566] Call Trace: [ 609.932916][T18566] dump_stack_lvl+0xb7/0x103 [ 609.937648][T18566] dump_stack+0x11/0x1a [ 609.941787][T18566] should_fail+0x23c/0x250 [ 609.946191][T18566] ? security_inode_alloc+0x30/0x180 [ 609.951482][T18566] __should_failslab+0x81/0x90 [ 609.956289][T18566] should_failslab+0x5/0x20 [ 609.960815][T18566] kmem_cache_alloc+0x46/0x2e0 [ 609.965587][T18566] security_inode_alloc+0x30/0x180 [ 609.970969][T18566] inode_init_always+0x20b/0x420 [ 609.975984][T18566] ? set_qf_name+0x230/0x230 [ 609.980567][T18566] new_inode_pseudo+0x73/0x1c0 [ 609.985363][T18566] new_inode+0x21/0x120 [ 609.989504][T18566] __ext4_new_inode+0x126/0x2f70 [ 609.994425][T18566] ? __dquot_initialize+0x131/0x7e0 [ 609.999715][T18566] ext4_mkdir+0x28a/0x760 [ 610.004052][T18566] vfs_mkdir+0x2a4/0x370 [ 610.008342][T18566] do_mkdirat+0x11d/0x200 [ 610.012691][T18566] __x64_sys_mkdir+0x32/0x40 [ 610.017265][T18566] do_syscall_64+0x3d/0x90 [ 610.021738][T18566] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 610.027614][T18566] RIP: 0033:0x4656f7 [ 610.031487][T18566] 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 [ 610.051076][T18566] RSP: 002b:00007f4126cd6fa8 EFLAGS: 00000213 ORIG_RAX: 0000000000000053 [ 610.059468][T18566] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00000000004656f7 [ 610.067422][T18566] RDX: 0000000000000004 RSI: 00000000000001ff RDI: 0000000020000100 [ 610.075380][T18566] RBP: 00007f4126cd7040 R08: 0000000000000000 R09: ffffffffffffffff 21:19:29 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}], [], 0x48}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:19:29 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f600000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 610.083336][T18566] R10: 0000000000000000 R11: 0000000000000213 R12: 0000000020000000 [ 610.091305][T18566] R13: 0000000020000100 R14: 00007f4126cd7000 R15: 0000000020000040 21:19:29 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300068000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:19:29 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000fb4997a100000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 610.141110][T18578] loop3: detected capacity change from 0 to 4 [ 610.148885][T18578] EXT4-fs (loop3): Can't read superblock on 2nd try [ 610.153405][T18577] loop5: detected capacity change from 0 to 4 [ 610.162025][T18581] loop0: detected capacity change from 0 to 512 [ 610.178917][T18577] EXT4-fs (loop5): Can't read superblock on 2nd try 21:19:29 executing program 1 (fault-call:0 fault-nth:37): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 610.185977][T18581] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 610.194339][T18587] loop4: detected capacity change from 0 to 4 [ 610.195744][T18581] EXT4-fs (loop0): group descriptors corrupted! [ 610.218873][T18587] EXT4-fs (loop4): Can't read superblock on 2nd try [ 610.222670][T18578] loop3: detected capacity change from 0 to 4 [ 610.233121][T18595] loop2: detected capacity change from 0 to 11 21:19:29 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000d00000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 610.261595][T18578] EXT4-fs (loop3): Can't read superblock on 2nd try [ 610.263532][T18595] FAT-fs (loop2): Unrecognized mount option "H" or missing value [ 610.276125][T18587] loop4: detected capacity change from 0 to 4 [ 610.293824][T18587] EXT4-fs (loop4): Can't read superblock on 2nd try [ 610.306028][T18602] loop1: detected capacity change from 0 to 4 21:19:29 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f680000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 610.312389][T18602] FAULT_INJECTION: forcing a failure. [ 610.312389][T18602] name failslab, interval 1, probability 0, space 0, times 0 [ 610.324986][T18602] CPU: 0 PID: 18602 Comm: syz-executor.1 Not tainted 5.14.0-rc4-syzkaller #0 [ 610.333727][T18602] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 610.343820][T18602] Call Trace: [ 610.347100][T18602] dump_stack_lvl+0xb7/0x103 [ 610.351705][T18602] dump_stack+0x11/0x1a [ 610.355840][T18602] should_fail+0x23c/0x250 [ 610.360248][T18602] ? sidtab_sid2str_get+0x9c/0x130 [ 610.365364][T18602] __should_failslab+0x81/0x90 [ 610.370148][T18602] should_failslab+0x5/0x20 [ 610.374684][T18602] __kmalloc_track_caller+0x64/0x340 [ 610.380016][T18602] kmemdup+0x21/0x50 [ 610.384029][T18602] sidtab_sid2str_get+0x9c/0x130 [ 610.388944][T18602] security_sid_to_context_core+0x1cb/0x2d0 [ 610.394867][T18602] security_sid_to_context_force+0x2f/0x40 [ 610.400725][T18602] selinux_inode_init_security+0x49e/0x550 [ 610.406509][T18602] security_inode_init_security+0xd7/0x260 [ 610.412337][T18602] ? ext4_init_security+0x40/0x40 [ 610.417518][T18602] ext4_init_security+0x30/0x40 [ 610.422348][T18602] __ext4_new_inode+0x29a1/0x2f70 [ 610.427351][T18602] ext4_mkdir+0x28a/0x760 [ 610.431656][T18602] vfs_mkdir+0x2a4/0x370 [ 610.435879][T18602] do_mkdirat+0x11d/0x200 [ 610.440240][T18602] __x64_sys_mkdir+0x32/0x40 [ 610.444875][T18602] do_syscall_64+0x3d/0x90 [ 610.449296][T18602] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 610.455227][T18602] RIP: 0033:0x4656f7 [ 610.459104][T18602] 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 [ 610.478698][T18602] RSP: 002b:00007f4126cd6fa8 EFLAGS: 00000213 ORIG_RAX: 0000000000000053 [ 610.487100][T18602] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00000000004656f7 [ 610.495091][T18602] RDX: 0000000000000004 RSI: 00000000000001ff RDI: 0000000020000100 [ 610.503056][T18602] RBP: 00007f4126cd7040 R08: 0000000000000000 R09: ffffffffffffffff [ 610.511044][T18602] R10: 0000000000000000 R11: 0000000000000213 R12: 0000000020000000 [ 610.519013][T18602] R13: 0000000020000100 R14: 00007f4126cd7000 R15: 0000000020000040 [ 610.544585][T18581] loop0: detected capacity change from 0 to 512 [ 610.547576][T18611] loop5: detected capacity change from 0 to 4 21:19:29 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000110000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:29 executing program 1 (fault-call:0 fault-nth:38): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 610.568412][T18595] loop2: detected capacity change from 0 to 2176 [ 610.582839][T18611] EXT4-fs (loop5): Can't read superblock on 2nd try [ 610.590384][T18581] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 610.599983][T18612] loop3: detected capacity change from 0 to 4 [ 610.600131][T18581] EXT4-fs (loop0): group descriptors corrupted! 21:19:29 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}], [], 0x4c}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 610.623678][T18623] loop4: detected capacity change from 0 to 4 [ 610.638518][T18623] EXT4-fs (loop4): Can't read superblock on 2nd try [ 610.651627][T18612] EXT4-fs (loop3): Can't read superblock on 2nd try [ 610.653471][T18627] loop1: detected capacity change from 0 to 4 [ 610.665756][T18627] FAULT_INJECTION: forcing a failure. 21:19:29 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000120000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 610.665756][T18627] name failslab, interval 1, probability 0, space 0, times 0 [ 610.678380][T18627] CPU: 1 PID: 18627 Comm: syz-executor.1 Not tainted 5.14.0-rc4-syzkaller #0 [ 610.687130][T18627] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 610.697251][T18627] Call Trace: [ 610.700608][T18627] dump_stack_lvl+0xb7/0x103 [ 610.705201][T18627] dump_stack+0x11/0x1a [ 610.709347][T18627] should_fail+0x23c/0x250 [ 610.709803][T18631] loop4: detected capacity change from 0 to 4 [ 610.713914][T18627] ? kcalloc+0x32/0x50 [ 610.713939][T18627] __should_failslab+0x81/0x90 [ 610.723625][T18631] EXT4-fs (loop4): Can't read superblock on 2nd try [ 610.724037][T18627] should_failslab+0x5/0x20 [ 610.724057][T18627] __kmalloc+0x66/0x340 [ 610.744037][T18627] ? chksum_update+0x39/0x50 [ 610.748734][T18627] kcalloc+0x32/0x50 [ 610.752605][T18627] ext4_find_extent+0x21c/0x7f0 [ 610.757436][T18627] ext4_ext_map_blocks+0xd9/0x1f00 [ 610.762564][T18627] ? __down_read_common+0x16d/0x530 [ 610.767743][T18627] ? percpu_counter_add_batch+0x69/0xd0 [ 610.773287][T18627] ? ext4_es_lookup_extent+0x206/0x490 [ 610.778867][T18627] ext4_map_blocks+0x1be/0xef0 [ 610.783650][T18627] ext4_getblk+0xb1/0x3d0 [ 610.787974][T18627] ? __ext4_new_inode+0x2aed/0x2f70 [ 610.793154][T18627] ext4_bread+0x28/0x100 [ 610.797375][T18627] ext4_append+0xd1/0x1c0 [ 610.801751][T18627] ext4_init_new_dir+0x177/0x500 [ 610.806706][T18627] ext4_mkdir+0x329/0x760 [ 610.811012][T18627] vfs_mkdir+0x2a4/0x370 [ 610.815239][T18627] do_mkdirat+0x11d/0x200 [ 610.819592][T18627] __x64_sys_mkdir+0x32/0x40 [ 610.824244][T18627] do_syscall_64+0x3d/0x90 [ 610.828655][T18627] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 610.834528][T18627] RIP: 0033:0x4656f7 [ 610.838409][T18627] 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 [ 610.858082][T18627] RSP: 002b:00007f4126cd6fa8 EFLAGS: 00000213 ORIG_RAX: 0000000000000053 [ 610.866488][T18627] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00000000004656f7 [ 610.874438][T18627] RDX: 0000000000000004 RSI: 00000000000001ff RDI: 0000000020000100 [ 610.882418][T18627] RBP: 00007f4126cd7040 R08: 0000000000000000 R09: ffffffffffffffff [ 610.890391][T18627] R10: 0000000000000000 R11: 0000000000000213 R12: 0000000020000000 [ 610.898419][T18627] R13: 0000000020000100 R14: 00007f4126cd7000 R15: 0000000020000040 21:19:30 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000400000000300000030006c000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 610.919454][T18627] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 610.929109][T18612] loop3: detected capacity change from 0 to 4 [ 610.932660][T18611] loop5: detected capacity change from 0 to 4 [ 610.950775][T18631] loop4: detected capacity change from 0 to 4 [ 610.951680][T18611] EXT4-fs (loop5): Can't read superblock on 2nd try [ 610.961564][T18612] EXT4-fs (loop3): Can't read superblock on 2nd try 21:19:30 executing program 1 (fault-call:0 fault-nth:39): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:30 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000e00000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 610.964400][T18642] loop2: detected capacity change from 0 to 11 [ 610.978153][T18631] EXT4-fs (loop4): Can't read superblock on 2nd try [ 610.985528][T18644] loop0: detected capacity change from 0 to 512 [ 610.988069][T18642] FAT-fs (loop2): Unrecognized mount option "L" or missing value 21:19:30 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f6c0000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 611.023104][T18644] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 611.031918][T18656] loop1: detected capacity change from 0 to 4 [ 611.032865][T18644] EXT4-fs (loop0): group descriptors corrupted! [ 611.040942][T18657] loop5: detected capacity change from 0 to 4 [ 611.047399][T18656] FAULT_INJECTION: forcing a failure. [ 611.047399][T18656] name failslab, interval 1, probability 0, space 0, times 0 [ 611.063899][T18656] CPU: 1 PID: 18656 Comm: syz-executor.1 Not tainted 5.14.0-rc4-syzkaller #0 [ 611.072658][T18656] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 611.082713][T18656] Call Trace: [ 611.084575][T18657] EXT4-fs (loop5): Can't read superblock on 2nd try [ 611.085986][T18656] dump_stack_lvl+0xb7/0x103 [ 611.097167][T18656] dump_stack+0x11/0x1a [ 611.101329][T18656] should_fail+0x23c/0x250 [ 611.105773][T18656] ? __es_insert_extent+0x51f/0xe70 [ 611.110972][T18656] __should_failslab+0x81/0x90 [ 611.112202][T18663] loop3: detected capacity change from 0 to 4 [ 611.115755][T18656] should_failslab+0x5/0x20 [ 611.115777][T18656] kmem_cache_alloc+0x46/0x2e0 [ 611.128556][T18663] EXT4-fs (loop3): Can't read superblock on 2nd try [ 611.131032][T18656] ? iput+0x1bf/0x580 [ 611.141590][T18656] __es_insert_extent+0x51f/0xe70 [ 611.146594][T18656] ? __kmalloc+0x237/0x340 [ 611.150991][T18656] ? kcalloc+0x32/0x50 [ 611.155132][T18656] ext4_es_insert_extent+0x1bb/0x19d0 [ 611.160480][T18656] ? ext4_ext_convert_to_initialized+0xf50/0xf50 [ 611.166800][T18656] ext4_ext_map_blocks+0xf79/0x1f00 [ 611.172036][T18656] ? __down_read_common+0x16d/0x530 [ 611.177309][T18656] ? percpu_counter_add_batch+0x69/0xd0 [ 611.182841][T18656] ? ext4_es_lookup_extent+0x206/0x490 [ 611.188277][T18656] ext4_map_blocks+0x1be/0xef0 [ 611.193070][T18656] ext4_getblk+0xb1/0x3d0 [ 611.197447][T18656] ? __ext4_new_inode+0x2aed/0x2f70 [ 611.202631][T18656] ext4_bread+0x28/0x100 [ 611.206849][T18656] ext4_append+0xd1/0x1c0 [ 611.211243][T18656] ext4_init_new_dir+0x177/0x500 [ 611.216161][T18656] ext4_mkdir+0x329/0x760 [ 611.220586][T18656] vfs_mkdir+0x2a4/0x370 [ 611.224823][T18656] do_mkdirat+0x11d/0x200 [ 611.229137][T18656] __x64_sys_mkdir+0x32/0x40 [ 611.233725][T18656] do_syscall_64+0x3d/0x90 [ 611.238119][T18656] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 611.244050][T18656] RIP: 0033:0x4656f7 [ 611.247919][T18656] 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 21:19:30 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f0000001c0000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 611.267510][T18656] RSP: 002b:00007f4126cd6fa8 EFLAGS: 00000213 ORIG_RAX: 0000000000000053 [ 611.275945][T18656] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00000000004656f7 [ 611.283896][T18656] RDX: 0000000000000004 RSI: 00000000000001ff RDI: 0000000020000100 [ 611.291979][T18656] RBP: 00007f4126cd7040 R08: 0000000000000000 R09: ffffffffffffffff [ 611.299942][T18656] R10: 0000000000000000 R11: 0000000000000213 R12: 0000000020000000 [ 611.307901][T18656] R13: 0000000020000100 R14: 00007f4126cd7000 R15: 0000000020000040 [ 611.337950][T18657] loop5: detected capacity change from 0 to 4 [ 611.344354][T18644] loop0: detected capacity change from 0 to 512 [ 611.351064][T18642] loop2: detected capacity change from 0 to 11 [ 611.361829][T18657] EXT4-fs (loop5): Can't read superblock on 2nd try [ 611.370055][T18644] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 611.379821][T18644] EXT4-fs (loop0): group descriptors corrupted! 21:19:30 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300074000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:19:30 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}], [], 0x60}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 611.381718][T18663] loop3: detected capacity change from 0 to 4 [ 611.405401][T18678] loop4: detected capacity change from 0 to 4 [ 611.416265][T18663] EXT4-fs (loop3): Can't read superblock on 2nd try 21:19:30 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000f00000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 611.435571][T18685] loop0: detected capacity change from 0 to 512 [ 611.447496][T18678] EXT4-fs (loop4): Can't read superblock on 2nd try [ 611.448432][T18685] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 611.463839][T18685] EXT4-fs (loop0): group descriptors corrupted! [ 611.471044][T18689] loop5: detected capacity change from 0 to 4 21:19:30 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f740000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 611.489225][T18689] EXT4-fs (loop5): Can't read superblock on 2nd try [ 611.492005][T18678] loop4: detected capacity change from 0 to 4 [ 611.496318][T18694] loop2: detected capacity change from 0 to 11 [ 611.513609][T18694] FAT-fs (loop2): Unrecognized mount option "`" or missing value [ 611.522114][T18678] EXT4-fs (loop4): Can't read superblock on 2nd try [ 611.526022][T18656] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) 21:19:30 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f041000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:30 executing program 1 (fault-call:0 fault-nth:40): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:30 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000400000000300000030007a000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 611.539114][T18701] loop3: detected capacity change from 0 to 4 [ 611.547393][T18701] EXT4-fs (loop3): Can't read superblock on 2nd try [ 611.576104][T18694] loop2: detected capacity change from 0 to 11 21:19:30 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000200000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 611.594328][T18701] loop3: detected capacity change from 0 to 4 [ 611.601635][T18701] EXT4-fs (loop3): Can't read superblock on 2nd try [ 611.618880][T18720] loop5: detected capacity change from 0 to 4 [ 611.623393][T18722] loop1: detected capacity change from 0 to 4 [ 611.627816][T18723] loop0: detected capacity change from 0 to 512 [ 611.634205][T18722] FAULT_INJECTION: forcing a failure. 21:19:30 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}], [], 0x68}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 611.634205][T18722] name failslab, interval 1, probability 0, space 0, times 0 [ 611.641299][T18725] loop4: detected capacity change from 0 to 4 [ 611.649897][T18722] CPU: 0 PID: 18722 Comm: syz-executor.1 Not tainted 5.14.0-rc4-syzkaller #0 [ 611.664656][T18722] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 611.674706][T18722] Call Trace: [ 611.678201][T18722] dump_stack_lvl+0xb7/0x103 [ 611.682775][T18722] dump_stack+0x11/0x1a [ 611.686912][T18722] should_fail+0x23c/0x250 [ 611.691314][T18722] ? kcalloc+0x32/0x50 [ 611.695368][T18722] __should_failslab+0x81/0x90 [ 611.700117][T18722] should_failslab+0x5/0x20 [ 611.704606][T18722] __kmalloc+0x66/0x340 [ 611.708814][T18722] ? kcalloc+0x32/0x50 [ 611.712885][T18722] kcalloc+0x32/0x50 [ 611.716832][T18722] ext4_find_extent+0x21c/0x7f0 [ 611.721728][T18722] ? kfree+0xf0/0x1d0 [ 611.725697][T18722] ext4_ext_map_blocks+0xd9/0x1f00 [ 611.730876][T18722] ? __down_write_common+0x42/0x810 [ 611.736055][T18722] ? __down_read_common+0x16d/0x530 [ 611.741238][T18722] ? percpu_counter_add_batch+0x69/0xd0 [ 611.746770][T18722] ? ext4_es_lookup_extent+0x206/0x490 [ 611.752211][T18722] ext4_map_blocks+0x70d/0xef0 [ 611.756959][T18722] ext4_getblk+0xb1/0x3d0 [ 611.761469][T18722] ext4_bread+0x28/0x100 [ 611.765712][T18722] ext4_append+0xd1/0x1c0 [ 611.770047][T18722] ext4_init_new_dir+0x177/0x500 [ 611.774971][T18722] ext4_mkdir+0x329/0x760 [ 611.779285][T18722] vfs_mkdir+0x2a4/0x370 [ 611.783519][T18722] do_mkdirat+0x11d/0x200 [ 611.787901][T18722] __x64_sys_mkdir+0x32/0x40 [ 611.792534][T18722] do_syscall_64+0x3d/0x90 [ 611.796949][T18722] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 611.802828][T18722] RIP: 0033:0x4656f7 [ 611.806703][T18722] 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 [ 611.826292][T18722] RSP: 002b:00007f4126cd6fa8 EFLAGS: 00000213 ORIG_RAX: 0000000000000053 [ 611.834686][T18722] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00000000004656f7 [ 611.842651][T18722] RDX: 0000000000000004 RSI: 00000000000001ff RDI: 0000000020000100 [ 611.850616][T18722] RBP: 00007f4126cd7040 R08: 0000000000000000 R09: ffffffffffffffff [ 611.858620][T18722] R10: 0000000000000000 R11: 0000000000000213 R12: 0000000020000000 [ 611.866632][T18722] R13: 0000000020000100 R14: 00007f4126cd7000 R15: 0000000020000040 [ 611.875373][T18720] EXT4-fs (loop5): Can't read superblock on 2nd try [ 611.882813][T18723] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock 21:19:31 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f7a0000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 611.892624][T18723] EXT4-fs (loop0): group descriptors corrupted! [ 611.899391][T18725] EXT4-fs (loop4): Can't read superblock on 2nd try [ 611.917293][T18734] loop2: detected capacity change from 0 to 11 [ 611.924972][T18734] FAT-fs (loop2): Unrecognized mount option "h" or missing value [ 611.933534][T18723] loop0: detected capacity change from 0 to 512 21:19:31 executing program 1 (fault-call:0 fault-nth:41): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 611.943483][T18739] loop3: detected capacity change from 0 to 4 [ 611.949877][T18720] loop5: detected capacity change from 0 to 4 [ 611.956122][T18725] loop4: detected capacity change from 0 to 4 [ 611.966410][T18720] EXT4-fs (loop5): Can't read superblock on 2nd try [ 611.968335][T18723] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 611.982790][T18723] EXT4-fs (loop0): group descriptors corrupted! [ 611.983065][T18739] EXT4-fs (loop3): Can't read superblock on 2nd try [ 611.997308][T18725] EXT4-fs (loop4): Can't read superblock on 2nd try [ 612.005106][T18734] loop2: detected capacity change from 0 to 11 [ 612.007287][T18751] loop1: detected capacity change from 0 to 4 [ 612.012762][T18734] FAT-fs (loop2): Unrecognized mount option "h" or missing value [ 612.019845][T18751] FAULT_INJECTION: forcing a failure. [ 612.019845][T18751] name failslab, interval 1, probability 0, space 0, times 0 [ 612.037688][T18751] CPU: 1 PID: 18751 Comm: syz-executor.1 Not tainted 5.14.0-rc4-syzkaller #0 [ 612.046525][T18751] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 612.056561][T18751] Call Trace: [ 612.059885][T18751] dump_stack_lvl+0xb7/0x103 [ 612.064464][T18751] dump_stack+0x11/0x1a [ 612.068603][T18751] should_fail+0x23c/0x250 [ 612.073022][T18751] ? ext4_mb_new_blocks+0x2e7/0x1f90 [ 612.078318][T18751] __should_failslab+0x81/0x90 [ 612.083063][T18751] should_failslab+0x5/0x20 [ 612.087552][T18751] kmem_cache_alloc+0x46/0x2e0 [ 612.092311][T18751] ext4_mb_new_blocks+0x2e7/0x1f90 [ 612.097408][T18751] ? ext4_find_extent+0x6cf/0x7f0 [ 612.102419][T18751] ? ext4_ext_search_right+0x300/0x540 [ 612.107863][T18751] ? ext4_inode_to_goal_block+0x1bd/0x1d0 [ 612.113567][T18751] ext4_ext_map_blocks+0x1569/0x1f00 [ 612.118889][T18751] ? __down_write_common+0x42/0x810 [ 612.124073][T18751] ? __down_read_common+0x16d/0x530 [ 612.129270][T18751] ? percpu_counter_add_batch+0x69/0xd0 [ 612.134856][T18751] ? ext4_es_lookup_extent+0x206/0x490 [ 612.140297][T18751] ext4_map_blocks+0x70d/0xef0 [ 612.145047][T18751] ext4_getblk+0xb1/0x3d0 [ 612.149360][T18751] ext4_bread+0x28/0x100 [ 612.153612][T18751] ext4_append+0xd1/0x1c0 [ 612.157990][T18751] ext4_init_new_dir+0x177/0x500 [ 612.162952][T18751] ext4_mkdir+0x329/0x760 [ 612.167265][T18751] vfs_mkdir+0x2a4/0x370 [ 612.171510][T18751] do_mkdirat+0x11d/0x200 [ 612.175831][T18751] __x64_sys_mkdir+0x32/0x40 [ 612.180409][T18751] do_syscall_64+0x3d/0x90 [ 612.184808][T18751] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 612.190693][T18751] RIP: 0033:0x4656f7 [ 612.194573][T18751] 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 [ 612.214238][T18751] RSP: 002b:00007f4126cd6fa8 EFLAGS: 00000213 ORIG_RAX: 0000000000000053 [ 612.222647][T18751] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00000000004656f7 [ 612.230599][T18751] RDX: 0000000000000004 RSI: 00000000000001ff RDI: 0000000020000100 [ 612.238551][T18751] RBP: 00007f4126cd7040 R08: 0000000000000000 R09: ffffffffffffffff 21:19:31 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}], [], 0x6c}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:19:31 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f201000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 612.246509][T18751] R10: 0000000000000000 R11: 0000000000000213 R12: 0000000020000000 [ 612.254476][T18751] R13: 0000000020000100 R14: 00007f4126cd7000 R15: 0000000020000040 21:19:31 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000010200000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:31 executing program 1 (fault-call:0 fault-nth:42): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:31 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000fe000f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 612.306150][T18739] loop3: detected capacity change from 0 to 4 [ 612.318913][T18739] EXT4-fs (loop3): Can't read superblock on 2nd try [ 612.329336][T18767] loop2: detected capacity change from 0 to 11 [ 612.339420][T18767] FAT-fs (loop2): Unrecognized mount option "l" or missing value 21:19:31 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000ffe0000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 612.352315][T18770] loop5: detected capacity change from 0 to 4 [ 612.359971][T18770] EXT4-fs (loop5): Can't read superblock on 2nd try [ 612.371599][T18773] loop4: detected capacity change from 0 to 4 [ 612.379792][T18773] EXT4-fs (loop4): Can't read superblock on 2nd try [ 612.380318][T18775] loop1: detected capacity change from 0 to 4 [ 612.393861][T18767] loop2: detected capacity change from 0 to 11 21:19:31 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f001100000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 612.418698][T18767] FAT-fs (loop2): Unrecognized mount option "l" or missing value [ 612.434361][T18786] loop0: detected capacity change from 0 to 512 [ 612.440923][T18775] FAULT_INJECTION: forcing a failure. [ 612.440923][T18775] name failslab, interval 1, probability 0, space 0, times 0 [ 612.444823][T18790] loop3: detected capacity change from 0 to 4 [ 612.453532][T18775] CPU: 1 PID: 18775 Comm: syz-executor.1 Not tainted 5.14.0-rc4-syzkaller #0 [ 612.468306][T18775] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 612.478343][T18775] Call Trace: [ 612.481603][T18775] dump_stack_lvl+0xb7/0x103 [ 612.486177][T18775] dump_stack+0x11/0x1a [ 612.490314][T18775] should_fail+0x23c/0x250 [ 612.494717][T18775] ? ext4_mb_new_blocks+0x70f/0x1f90 [ 612.499987][T18775] __should_failslab+0x81/0x90 [ 612.504731][T18775] should_failslab+0x5/0x20 [ 612.509216][T18775] kmem_cache_alloc+0x46/0x2e0 [ 612.514045][T18775] ext4_mb_new_blocks+0x70f/0x1f90 [ 612.519166][T18775] ? ext4_find_extent+0x6cf/0x7f0 [ 612.524177][T18775] ? ext4_ext_search_right+0x300/0x540 [ 612.529624][T18775] ? ext4_inode_to_goal_block+0x1bd/0x1d0 [ 612.535335][T18775] ext4_ext_map_blocks+0x1569/0x1f00 [ 612.540729][T18775] ? __down_write_common+0x42/0x810 [ 612.545910][T18775] ? __down_read_common+0x16d/0x530 [ 612.551102][T18775] ? percpu_counter_add_batch+0x69/0xd0 [ 612.556670][T18775] ? ext4_es_lookup_extent+0x206/0x490 [ 612.562111][T18775] ext4_map_blocks+0x70d/0xef0 [ 612.566937][T18775] ext4_getblk+0xb1/0x3d0 [ 612.571248][T18775] ext4_bread+0x28/0x100 [ 612.575508][T18775] ext4_append+0xd1/0x1c0 [ 612.579850][T18775] ext4_init_new_dir+0x177/0x500 [ 612.584769][T18775] ext4_mkdir+0x329/0x760 [ 612.589080][T18775] vfs_mkdir+0x2a4/0x370 [ 612.593314][T18775] do_mkdirat+0x11d/0x200 [ 612.597636][T18775] __x64_sys_mkdir+0x32/0x40 [ 612.602225][T18775] do_syscall_64+0x3d/0x90 [ 612.606691][T18775] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 612.612626][T18775] RIP: 0033:0x4656f7 [ 612.616500][T18775] 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 [ 612.636094][T18775] RSP: 002b:00007f4126cd6fa8 EFLAGS: 00000213 ORIG_RAX: 0000000000000053 [ 612.644495][T18775] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00000000004656f7 [ 612.652452][T18775] RDX: 0000000000000004 RSI: 00000000000001ff RDI: 0000000020000100 [ 612.660437][T18775] RBP: 00007f4126cd7040 R08: 0000000000000000 R09: ffffffffffffffff [ 612.668401][T18775] R10: 0000000000000000 R11: 0000000000000213 R12: 0000000020000000 [ 612.676356][T18775] R13: 0000000020000100 R14: 00007f4126cd7000 R15: 0000000020000040 [ 612.687539][T18786] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 612.697390][T18786] EXT4-fs (loop0): group descriptors corrupted! [ 612.697956][T18790] EXT4-fs (loop3): Can't read superblock on 2nd try 21:19:32 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}], [], 0x74}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:19:32 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000220000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 612.714791][T18773] loop4: detected capacity change from 0 to 4 [ 612.725529][T18773] EXT4-fs (loop4): Can't read superblock on 2nd try [ 612.742429][T18795] loop5: detected capacity change from 0 to 4 [ 612.750115][T18795] EXT4-fs (loop5): Can't read superblock on 2nd try 21:19:32 executing program 1 (fault-call:0 fault-nth:43): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 612.778026][T18790] loop3: detected capacity change from 0 to 4 [ 612.779432][T18786] loop0: detected capacity change from 0 to 512 [ 612.796575][T18795] loop5: detected capacity change from 0 to 4 [ 612.803277][T18790] EXT4-fs (loop3): Can't read superblock on 2nd try [ 612.811524][T18786] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 612.821273][T18786] EXT4-fs (loop0): group descriptors corrupted! [ 612.822038][T18813] loop1: detected capacity change from 0 to 4 [ 612.828062][T18808] loop2: detected capacity change from 0 to 11 [ 612.839835][T18795] EXT4-fs (loop5): Can't read superblock on 2nd try [ 612.844870][T18809] loop4: detected capacity change from 0 to 4 [ 612.849604][T18813] FAULT_INJECTION: forcing a failure. [ 612.849604][T18813] name failslab, interval 1, probability 0, space 0, times 0 [ 612.857308][T18808] FAT-fs (loop2): Unrecognized mount option "t" or missing value [ 612.865087][T18813] CPU: 0 PID: 18813 Comm: syz-executor.1 Not tainted 5.14.0-rc4-syzkaller #0 [ 612.881504][T18813] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 612.891559][T18813] Call Trace: [ 612.894826][T18813] dump_stack_lvl+0xb7/0x103 [ 612.899405][T18813] dump_stack+0x11/0x1a [ 612.903553][T18813] should_fail+0x23c/0x250 [ 612.907962][T18813] ? __es_insert_extent+0x51f/0xe70 [ 612.913148][T18813] __should_failslab+0x81/0x90 [ 612.917898][T18813] should_failslab+0x5/0x20 [ 612.922386][T18813] kmem_cache_alloc+0x46/0x2e0 [ 612.927179][T18813] __es_insert_extent+0x51f/0xe70 [ 612.932189][T18813] ? ext4_ext_map_blocks+0x10a8/0x1f00 [ 612.937812][T18813] ext4_es_insert_extent+0x1bb/0x19d0 [ 612.943165][T18813] ? percpu_counter_add_batch+0x69/0xd0 [ 612.948694][T18813] ? ext4_es_lookup_extent+0x206/0x490 [ 612.954134][T18813] ext4_map_blocks+0xa4c/0xef0 [ 612.958931][T18813] ext4_getblk+0xb1/0x3d0 [ 612.963247][T18813] ext4_bread+0x28/0x100 [ 612.967489][T18813] ext4_append+0xd1/0x1c0 [ 612.971840][T18813] ext4_init_new_dir+0x177/0x500 [ 612.976818][T18813] ext4_mkdir+0x329/0x760 [ 612.981127][T18813] vfs_mkdir+0x2a4/0x370 [ 612.985353][T18813] do_mkdirat+0x11d/0x200 [ 612.989671][T18813] __x64_sys_mkdir+0x32/0x40 [ 612.994322][T18813] do_syscall_64+0x3d/0x90 [ 612.998725][T18813] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 613.004623][T18813] RIP: 0033:0x4656f7 [ 613.008497][T18813] 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 [ 613.028099][T18813] RSP: 002b:00007f4126cd6fa8 EFLAGS: 00000213 ORIG_RAX: 0000000000000053 [ 613.036494][T18813] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00000000004656f7 [ 613.044477][T18813] RDX: 0000000000000004 RSI: 00000000000001ff RDI: 0000000020000100 [ 613.052428][T18813] RBP: 00007f4126cd7040 R08: 0000000000000000 R09: ffffffffffffffff [ 613.060445][T18813] R10: 0000000000000000 R11: 0000000000000213 R12: 0000000020000000 [ 613.068399][T18813] R13: 0000000020000100 R14: 00007f4126cd7000 R15: 0000000020000040 21:19:32 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000400000000300000030008e010f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:19:32 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f8d0100000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 613.077912][T18809] EXT4-fs (loop4): Can't read superblock on 2nd try [ 613.084634][T18813] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 613.104057][T18809] loop4: detected capacity change from 0 to 4 [ 613.115217][T18808] loop2: detected capacity change from 0 to 11 21:19:32 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f001200000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 613.128330][T18809] EXT4-fs (loop4): Can't read superblock on 2nd try 21:19:32 executing program 1 (fault-call:0 fault-nth:44): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 613.152162][T18834] loop3: detected capacity change from 0 to 4 [ 613.158639][T18836] loop0: detected capacity change from 0 to 512 [ 613.167429][T18839] loop5: detected capacity change from 0 to 4 [ 613.173790][T18834] EXT4-fs (loop3): Can't read superblock on 2nd try [ 613.183185][T18836] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 613.192915][T18836] EXT4-fs (loop0): group descriptors corrupted! 21:19:32 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}], [], 0x7a}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:19:32 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000250000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 613.193094][T18843] loop1: detected capacity change from 0 to 4 [ 613.207559][T18839] EXT4-fs (loop5): Can't read superblock on 2nd try [ 613.215652][T18834] loop3: detected capacity change from 0 to 4 [ 613.224216][T18843] FAULT_INJECTION: forcing a failure. [ 613.224216][T18843] name failslab, interval 1, probability 0, space 0, times 0 [ 613.236873][T18843] CPU: 0 PID: 18843 Comm: syz-executor.1 Not tainted 5.14.0-rc4-syzkaller #0 [ 613.245635][T18843] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 613.255690][T18843] Call Trace: [ 613.258954][T18843] dump_stack_lvl+0xb7/0x103 [ 613.263531][T18843] dump_stack+0x11/0x1a [ 613.267666][T18843] should_fail+0x23c/0x250 [ 613.272127][T18843] ? __se_sys_mount+0x4e/0x2e0 [ 613.276878][T18843] __should_failslab+0x81/0x90 [ 613.281637][T18843] should_failslab+0x5/0x20 [ 613.286122][T18843] __kmalloc_track_caller+0x64/0x340 [ 613.291417][T18843] ? strnlen_user+0x137/0x1c0 [ 613.296136][T18843] strndup_user+0x73/0x120 [ 613.300532][T18843] __se_sys_mount+0x4e/0x2e0 [ 613.305106][T18843] ? mntput+0x45/0x70 [ 613.309095][T18843] __x64_sys_mount+0x63/0x70 [ 613.313668][T18843] do_syscall_64+0x3d/0x90 [ 613.318068][T18843] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 613.323949][T18843] RIP: 0033:0x467b0a [ 613.327832][T18843] 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 [ 613.347462][T18843] RSP: 002b:00007f4126cd6fa8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 [ 613.355859][T18843] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000467b0a [ 613.363810][T18843] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f4126cd7000 [ 613.371774][T18843] RBP: 00007f4126cd7040 R08: 00007f4126cd7040 R09: 0000000020000000 [ 613.379753][T18843] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000 [ 613.387716][T18843] R13: 0000000020000100 R14: 00007f4126cd7000 R15: 0000000020000040 [ 613.403800][T18855] loop4: detected capacity change from 0 to 4 [ 613.406264][T18854] loop2: detected capacity change from 0 to 11 [ 613.412888][T18834] EXT4-fs (loop3): Can't read superblock on 2nd try [ 613.416440][T18855] EXT4-fs (loop4): Can't read superblock on 2nd try [ 613.429992][T18854] FAT-fs (loop2): Unrecognized mount option "z" or missing value [ 613.441837][T18839] loop5: detected capacity change from 0 to 4 21:19:32 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f8e0100000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:32 executing program 1 (fault-call:0 fault-nth:45): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 613.448603][T18836] loop0: detected capacity change from 0 to 512 [ 613.455464][T18839] EXT4-fs (loop5): Can't read superblock on 2nd try [ 613.460948][T18849] loop2: detected capacity change from 0 to 11 [ 613.465448][T18836] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 613.472011][T18855] loop4: detected capacity change from 0 to 4 [ 613.477940][T18836] EXT4-fs (loop0): group descriptors corrupted! 21:19:32 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f001c00000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 613.499105][T18855] EXT4-fs (loop4): Can't read superblock on 2nd try [ 613.507276][T18873] loop1: detected capacity change from 0 to 4 [ 613.515555][T18873] FAULT_INJECTION: forcing a failure. [ 613.515555][T18873] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 613.528593][T18877] loop5: detected capacity change from 0 to 4 [ 613.534716][T18873] CPU: 1 PID: 18873 Comm: syz-executor.1 Not tainted 5.14.0-rc4-syzkaller #0 [ 613.534810][T18877] EXT4-fs (loop5): Can't read superblock on 2nd try [ 613.543534][T18873] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 613.543547][T18873] Call Trace: [ 613.543554][T18873] dump_stack_lvl+0xb7/0x103 [ 613.568184][T18873] dump_stack+0x11/0x1a [ 613.572321][T18873] should_fail+0x23c/0x250 [ 613.576741][T18873] should_fail_usercopy+0x16/0x20 [ 613.581749][T18873] _copy_from_user+0x1c/0xd0 [ 613.586324][T18873] strndup_user+0xb0/0x120 [ 613.590735][T18873] __se_sys_mount+0x4e/0x2e0 [ 613.595302][T18873] ? mntput+0x45/0x70 [ 613.599330][T18873] __x64_sys_mount+0x63/0x70 [ 613.603895][T18873] do_syscall_64+0x3d/0x90 [ 613.608290][T18873] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 613.614164][T18873] RIP: 0033:0x467b0a [ 613.618044][T18873] 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 [ 613.637786][T18873] RSP: 002b:00007f4126cd6fa8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 [ 613.646176][T18873] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000467b0a 21:19:32 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000400000000300000030008f010f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 613.654123][T18873] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f4126cd7000 [ 613.662111][T18873] RBP: 00007f4126cd7040 R08: 00007f4126cd7040 R09: 0000000020000000 [ 613.670058][T18873] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000 [ 613.678006][T18873] R13: 0000000020000100 R14: 00007f4126cd7000 R15: 0000000020000040 [ 613.697438][T18877] loop5: detected capacity change from 0 to 4 21:19:33 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) r1 = syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) ioctl$BTRFS_IOC_QUOTA_RESCAN_STATUS(r1, 0x8040942d, &(0x7f0000000000)) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:19:33 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f0000002e0000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 613.722815][T18877] EXT4-fs (loop5): Can't read superblock on 2nd try [ 613.735389][T18889] loop3: detected capacity change from 0 to 4 [ 613.741933][T18890] loop2: detected capacity change from 0 to 11 [ 613.746950][T18892] loop0: detected capacity change from 0 to 512 [ 613.754951][T18889] EXT4-fs (loop3): Can't read superblock on 2nd try [ 613.764233][T18890] FAT-fs (loop2): bogus number of reserved sectors [ 613.770743][T18890] FAT-fs (loop2): Can't find a valid FAT filesystem [ 613.788504][T18892] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 613.798276][T18892] EXT4-fs (loop0): group descriptors corrupted! [ 613.799854][T18895] loop4: detected capacity change from 0 to 4 21:19:33 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f002000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:33 executing program 1 (fault-call:0 fault-nth:46): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 613.832686][T18889] loop3: detected capacity change from 0 to 4 [ 613.839619][T18895] EXT4-fs (loop4): Can't read superblock on 2nd try [ 613.850219][T18889] EXT4-fs (loop3): Can't read superblock on 2nd try [ 613.866744][T18911] loop5: detected capacity change from 0 to 4 [ 613.877527][T18911] EXT4-fs (loop5): Can't read superblock on 2nd try [ 613.880296][T18914] loop1: detected capacity change from 0 to 4 [ 613.895438][T18914] FAULT_INJECTION: forcing a failure. [ 613.895438][T18914] name failslab, interval 1, probability 0, space 0, times 0 [ 613.901453][T18892] loop0: detected capacity change from 0 to 512 [ 613.908051][T18914] CPU: 0 PID: 18914 Comm: syz-executor.1 Not tainted 5.14.0-rc4-syzkaller #0 [ 613.916974][T18890] loop2: detected capacity change from 0 to 11 [ 613.923001][T18914] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 613.923014][T18914] Call Trace: [ 613.923021][T18914] dump_stack_lvl+0xb7/0x103 [ 613.947087][T18914] dump_stack+0x11/0x1a [ 613.951254][T18914] should_fail+0x23c/0x250 [ 613.955660][T18914] ? __se_sys_mount+0x91/0x2e0 [ 613.960408][T18914] __should_failslab+0x81/0x90 [ 613.965221][T18914] should_failslab+0x5/0x20 [ 613.969708][T18914] __kmalloc_track_caller+0x64/0x340 [ 613.975037][T18914] ? strnlen_user+0x137/0x1c0 [ 613.979703][T18914] strndup_user+0x73/0x120 [ 613.984102][T18914] __se_sys_mount+0x91/0x2e0 [ 613.988676][T18914] ? mntput+0x45/0x70 [ 613.992638][T18914] __x64_sys_mount+0x63/0x70 [ 613.997211][T18914] do_syscall_64+0x3d/0x90 [ 614.001617][T18914] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 614.007517][T18914] RIP: 0033:0x467b0a [ 614.011390][T18914] 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 [ 614.031013][T18914] RSP: 002b:00007f4126cd6fa8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 [ 614.039444][T18914] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000467b0a [ 614.047439][T18914] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f4126cd7000 [ 614.055390][T18914] RBP: 00007f4126cd7040 R08: 00007f4126cd7040 R09: 0000000020000000 [ 614.063341][T18914] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000 [ 614.071294][T18914] R13: 0000000020000100 R14: 00007f4126cd7000 R15: 0000000020000040 21:19:33 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f8f0100000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 614.079478][T18895] loop4: detected capacity change from 0 to 4 [ 614.080252][T18892] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 614.095282][T18892] EXT4-fs (loop0): group descriptors corrupted! [ 614.114541][T18911] loop5: detected capacity change from 0 to 4 [ 614.117662][T18927] loop3: detected capacity change from 0 to 4 [ 614.127164][T18911] EXT4-fs (loop5): Can't read superblock on 2nd try 21:19:33 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)=ANY=[@ANYBLOB='5_\x00\x00', @ANYRESHEX=0x0, @ANYBLOB=',nodots,\x00']) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x0, 0xd9b, 0x8000) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) chdir(&(0x7f0000000000)='./file1\x00') clock_gettime(0x0, &(0x7f0000000080)={0x0, 0x0}) utimes(&(0x7f0000000040)='./file0\x00', &(0x7f00000000c0)={{r1, r2/1000+10000}}) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:19:33 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f0000003f0000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:33 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300092010f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:19:33 executing program 1 (fault-call:0 fault-nth:47): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:33 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f102000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 614.135540][T18927] EXT4-fs (loop3): Can't read superblock on 2nd try [ 614.168033][T18927] loop3: detected capacity change from 0 to 4 [ 614.202150][T18927] EXT4-fs (loop3): Can't read superblock on 2nd try [ 614.223288][T18940] loop1: detected capacity change from 0 to 4 [ 614.233497][T18948] loop5: detected capacity change from 0 to 4 [ 614.243281][T18949] loop2: detected capacity change from 0 to 11 [ 614.248781][T18940] FAULT_INJECTION: forcing a failure. [ 614.248781][T18940] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 614.262468][T18940] CPU: 1 PID: 18940 Comm: syz-executor.1 Not tainted 5.14.0-rc4-syzkaller #0 [ 614.264165][T18950] loop0: detected capacity change from 0 to 512 [ 614.271220][T18940] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 614.271232][T18940] Call Trace: [ 614.271239][T18940] dump_stack_lvl+0xb7/0x103 [ 614.271281][T18940] dump_stack+0x11/0x1a [ 614.271294][T18940] should_fail+0x23c/0x250 [ 614.271313][T18940] should_fail_usercopy+0x16/0x20 [ 614.299616][T18950] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 614.303984][T18940] _copy_from_user+0x1c/0xd0 [ 614.304008][T18940] strndup_user+0xb0/0x120 [ 614.304026][T18940] __se_sys_mount+0x91/0x2e0 [ 614.309021][T18950] EXT4-fs (loop0): group descriptors corrupted! [ 614.318703][T18940] ? mntput+0x45/0x70 [ 614.318723][T18940] __x64_sys_mount+0x63/0x70 [ 614.318740][T18940] do_syscall_64+0x3d/0x90 21:19:33 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f040200000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 614.351402][T18940] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 614.352184][T18948] EXT4-fs (loop5): Can't read superblock on 2nd try [ 614.357342][T18940] RIP: 0033:0x467b0a [ 614.367808][T18940] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 614.369862][T18949] FAT-fs (loop2): Unrecognized mount option "5_" or missing value [ 614.387411][T18940] RSP: 002b:00007f4126cd6fa8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 [ 614.387433][T18940] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000467b0a [ 614.387444][T18940] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f4126cd7000 [ 614.387455][T18940] RBP: 00007f4126cd7040 R08: 00007f4126cd7040 R09: 0000000020000000 [ 614.387466][T18940] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000 [ 614.410516][T18952] loop4: detected capacity change from 0 to 4 [ 614.411579][T18940] R13: 0000000020000100 R14: 00007f4126cd7000 R15: 0000000020000040 [ 614.450983][T18952] EXT4-fs (loop4): Can't read superblock on 2nd try [ 614.467335][T18948] loop5: detected capacity change from 0 to 4 [ 614.477966][T18949] loop2: detected capacity change from 0 to 11 [ 614.486179][T18948] EXT4-fs (loop5): Can't read superblock on 2nd try [ 614.487334][T18950] loop0: detected capacity change from 0 to 512 21:19:33 executing program 1 (fault-call:0 fault-nth:48): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 614.497340][T18969] loop3: detected capacity change from 0 to 4 [ 614.499582][T18952] loop4: detected capacity change from 0 to 4 [ 614.511341][T18969] EXT4-fs (loop3): Can't read superblock on 2nd try [ 614.519174][T18950] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 614.528938][T18950] EXT4-fs (loop0): group descriptors corrupted! [ 614.529027][T18952] EXT4-fs (loop4): Can't read superblock on 2nd try [ 614.544728][T18978] loop1: detected capacity change from 0 to 4 21:19:33 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x391100, 0x1) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x8000000000006, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x10, &(0x7f0000000000)={[{@fat=@nocase}, {@nodots}, {@dots}]}) r1 = socket$inet6(0xa, 0x80001, 0x0) creat(&(0x7f0000000240)='./file0\x00', 0x0) setsockopt$inet6_MCAST_JOIN_GROUP(r1, 0x29, 0x2a, &(0x7f0000000340)={0x100000001, {{0xa, 0x0, 0x0, @mcast1}}}, 0x88) recvmmsg$unix(r0, &(0x7f0000001f80)=[{{&(0x7f0000000280)=@abs, 0x6e, &(0x7f0000000300)=[{&(0x7f0000000540)=""/226, 0xe2}, {&(0x7f0000000640)=""/231, 0xe7}, {&(0x7f0000000740)=""/250, 0xfa}, {&(0x7f0000000840)=""/169, 0xa9}], 0x4, &(0x7f0000000900)=[@cred={{0x1c}}], 0x20}}, {{&(0x7f0000000940)=@abs, 0x6e, &(0x7f0000001e40)=[{&(0x7f00000009c0)=""/236, 0xec}, {&(0x7f0000000ac0)=""/8, 0x8}, {&(0x7f0000000b00)=""/233, 0xe9}, {&(0x7f0000000c00)}, {&(0x7f0000000c40)=""/20, 0x14}, {&(0x7f0000000c80)=""/168, 0xa8}, {&(0x7f0000000d40)=""/4096, 0x1000}, {&(0x7f0000001d40)=""/215, 0xd7}], 0x8, &(0x7f0000001ec0)=[@rights={{0x28, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @rights={{0x28, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @rights={{0x18, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff]}}, @cred={{0x1c}}, @rights={{0x18, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff]}}], 0xa0}}], 0x2, 0x121, 0x0) connect$inet6(r3, &(0x7f0000000c00)={0xa, 0x4e23, 0x8, @mcast1, 0x20}, 0x1c) setsockopt$inet6_IPV6_IPSEC_POLICY(r2, 0x29, 0x22, &(0x7f0000002000)={{{@in6=@private2={0xfc, 0x2, '\x00', 0x1}, @in=@loopback, 0x4e23, 0x1, 0x4e24, 0x4, 0xa, 0x0, 0x20, 0x6, 0x0, 0xee01}, {0x7, 0x7fffffff, 0x4, 0x3, 0xbf5e, 0x9, 0x0, 0x6}, {0x1, 0x1, 0x3, 0x2}, 0x2, 0x0, 0x2, 0x0, 0x0, 0x2}, {{@in6=@rand_addr=' \x01\x00', 0x4d3, 0x33}, 0x2, @in6=@rand_addr=' \x01\x00', 0x3507, 0x3, 0x0, 0xff, 0x80, 0x2, 0x2}}, 0xe8) setsockopt$inet6_MCAST_MSFILTER(r1, 0x29, 0x30, &(0x7f0000000000)={0x1, {{0xa, 0x0, 0x0, @mcast1}}, 0x0, 0x2, [{{0xa, 0x0, 0x0, @remote}}, {{0xa, 0x0, 0x0, @remote}}]}, 0x190) setsockopt$inet6_MCAST_MSFILTER(r1, 0x29, 0x30, &(0x7f0000000400)={0x1, {{0xa, 0x0, 0x0, @mcast1}}, 0x1, 0x1, [{{0xa, 0x0, 0x0, @loopback}}]}, 0x110) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000040), 0x0, 0xd9b, 0x40) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:19:33 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f002200000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 614.553728][T18978] FAULT_INJECTION: forcing a failure. [ 614.553728][T18978] name failslab, interval 1, probability 0, space 0, times 0 [ 614.566360][T18978] CPU: 1 PID: 18978 Comm: syz-executor.1 Not tainted 5.14.0-rc4-syzkaller #0 [ 614.575113][T18978] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 614.585273][T18978] Call Trace: [ 614.588616][T18978] dump_stack_lvl+0xb7/0x103 [ 614.593207][T18978] dump_stack+0x11/0x1a [ 614.593271][T18982] loop5: detected capacity change from 0 to 4 [ 614.597357][T18978] should_fail+0x23c/0x250 [ 614.604764][T18982] EXT4-fs (loop5): Can't read superblock on 2nd try [ 614.607809][T18978] __should_failslab+0x81/0x90 [ 614.619128][T18978] ? __se_sys_mount+0xf2/0x2e0 [ 614.623932][T18978] should_failslab+0x5/0x20 [ 614.628413][T18978] kmem_cache_alloc_trace+0x49/0x310 [ 614.633705][T18978] ? _copy_from_user+0x94/0xd0 [ 614.638451][T18978] __se_sys_mount+0xf2/0x2e0 [ 614.643086][T18978] ? mntput+0x45/0x70 [ 614.647048][T18978] __x64_sys_mount+0x63/0x70 [ 614.651663][T18978] do_syscall_64+0x3d/0x90 [ 614.656060][T18978] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 614.661935][T18978] RIP: 0033:0x467b0a [ 614.665804][T18978] 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 [ 614.685383][T18978] RSP: 002b:00007f4126cd6fa8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 [ 614.693771][T18978] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000467b0a [ 614.701795][T18978] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f4126cd7000 [ 614.709750][T18978] RBP: 00007f4126cd7040 R08: 00007f4126cd7040 R09: 0000000020000000 [ 614.717704][T18978] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000 [ 614.725663][T18978] R13: 0000000020000100 R14: 00007f4126cd7000 R15: 0000000020000040 [ 614.739967][T18969] loop3: detected capacity change from 0 to 4 21:19:34 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000f8010f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:19:34 executing program 1 (fault-call:0 fault-nth:49): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 614.758026][T18969] EXT4-fs (loop3): Can't read superblock on 2nd try [ 614.766162][T18982] loop5: detected capacity change from 0 to 4 [ 614.778400][T18982] EXT4-fs (loop5): Can't read superblock on 2nd try [ 614.793931][T18998] loop0: detected capacity change from 0 to 512 [ 614.794874][T18997] loop2: detected capacity change from 0 to 264192 21:19:34 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000400000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 614.809290][T18998] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 614.816124][T19000] loop1: detected capacity change from 0 to 4 [ 614.819042][T18998] EXT4-fs (loop0): group descriptors corrupted! [ 614.832401][T19000] FAULT_INJECTION: forcing a failure. [ 614.832401][T19000] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 614.845598][T19000] CPU: 0 PID: 19000 Comm: syz-executor.1 Not tainted 5.14.0-rc4-syzkaller #0 [ 614.854357][T19000] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 614.855661][T18997] FAT-fs (loop2): bogus number of reserved sectors [ 614.864410][T19000] Call Trace: [ 614.864420][T19000] dump_stack_lvl+0xb7/0x103 [ 614.864441][T19000] dump_stack+0x11/0x1a [ 614.870936][T18997] FAT-fs (loop2): Can't find a valid FAT filesystem [ 614.874181][T19000] should_fail+0x23c/0x250 [ 614.886565][T19006] loop4: detected capacity change from 0 to 4 [ 614.889498][T19000] should_fail_usercopy+0x16/0x20 [ 614.889525][T19000] _copy_from_user+0x1c/0xd0 [ 614.909519][T19000] __se_sys_mount+0x115/0x2e0 [ 614.914368][T19000] ? mntput+0x45/0x70 [ 614.918336][T19000] __x64_sys_mount+0x63/0x70 [ 614.922911][T19000] do_syscall_64+0x3d/0x90 [ 614.927314][T19000] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 614.933212][T19000] RIP: 0033:0x467b0a [ 614.937088][T19000] 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 [ 614.958517][T19000] RSP: 002b:00007f4126cd6fa8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 [ 614.966994][T19000] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000467b0a [ 614.974947][T19000] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f4126cd7000 [ 614.982900][T19000] RBP: 00007f4126cd7040 R08: 00007f4126cd7040 R09: 0000000020000000 [ 614.990867][T19000] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000 [ 614.998817][T19000] R13: 0000000020000100 R14: 00007f4126cd7000 R15: 0000000020000040 21:19:34 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f002500000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:34 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f700200000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:34 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmctl$IPC_RMID(0xffffffffffffffff, 0x0) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) r1 = socket$unix(0x1, 0x5, 0x0) bind$unix(r1, &(0x7f0000003000)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) preadv(r1, &(0x7f0000000140)=[{&(0x7f0000000000)=""/129, 0x81}, {&(0x7f0000000240)=""/200, 0xc8}, {&(0x7f00000000c0)=""/18, 0x12}], 0x3, 0x80, 0xf483) [ 615.007837][T19006] EXT4-fs (loop4): Can't read superblock on 2nd try [ 615.019666][T18998] loop0: detected capacity change from 0 to 512 [ 615.026840][T18998] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 615.036599][T18998] EXT4-fs (loop0): group descriptors corrupted! [ 615.044432][T19000] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) 21:19:34 executing program 1 (fault-call:0 fault-nth:50): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 615.073015][T19018] loop5: detected capacity change from 0 to 4 [ 615.076268][T19020] loop2: detected capacity change from 0 to 11 [ 615.089848][T19020] FAT-fs (loop2): bogus number of reserved sectors [ 615.089940][T19018] EXT4-fs (loop5): Can't read superblock on 2nd try [ 615.096448][T19020] FAT-fs (loop2): Can't find a valid FAT filesystem [ 615.104176][T19022] loop3: detected capacity change from 0 to 4 21:19:34 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300004020f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 615.128288][T19006] loop4: detected capacity change from 0 to 4 [ 615.135878][T19020] loop2: detected capacity change from 0 to 11 [ 615.142649][T19031] loop1: detected capacity change from 0 to 4 [ 615.147170][T19006] EXT4-fs (loop4): Can't read superblock on 2nd try [ 615.148902][T19022] EXT4-fs (loop3): Can't read superblock on 2nd try [ 615.167645][T19018] loop5: detected capacity change from 0 to 4 [ 615.185674][T19031] FAULT_INJECTION: forcing a failure. [ 615.185674][T19031] name failslab, interval 1, probability 0, space 0, times 0 [ 615.198310][T19031] CPU: 0 PID: 19031 Comm: syz-executor.1 Not tainted 5.14.0-rc4-syzkaller #0 [ 615.207075][T19031] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 615.214011][T19018] EXT4-fs (loop5): Can't read superblock on 2nd try [ 615.217119][T19031] Call Trace: [ 615.217127][T19031] dump_stack_lvl+0xb7/0x103 [ 615.217147][T19031] dump_stack+0x11/0x1a 21:19:34 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000800400000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 615.217159][T19031] should_fail+0x23c/0x250 [ 615.240149][T19031] ? getname_flags+0x84/0x3d0 [ 615.244826][T19031] __should_failslab+0x81/0x90 [ 615.249607][T19031] should_failslab+0x5/0x20 [ 615.254102][T19031] kmem_cache_alloc+0x46/0x2e0 [ 615.258863][T19031] ? should_fail+0xd6/0x250 [ 615.263396][T19031] getname_flags+0x84/0x3d0 [ 615.267895][T19031] ? should_fail+0xd6/0x250 [ 615.272395][T19031] user_path_at_empty+0x28/0x50 [ 615.277246][T19031] __se_sys_mount+0x209/0x2e0 [ 615.281919][T19031] ? mntput+0x45/0x70 [ 615.285894][T19031] __x64_sys_mount+0x63/0x70 [ 615.288562][T19044] loop0: detected capacity change from 0 to 512 [ 615.290471][T19031] do_syscall_64+0x3d/0x90 [ 615.301100][T19031] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 615.304434][T19044] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 615.307020][T19031] RIP: 0033:0x467b0a [ 615.307037][T19031] 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 [ 615.316741][T19044] EXT4-fs (loop0): group descriptors corrupted! [ 615.320595][T19031] RSP: 002b:00007f4126cd6fa8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 [ 615.354778][T19031] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000467b0a [ 615.360000][T19049] loop4: detected capacity change from 0 to 4 [ 615.362816][T19031] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f4126cd7000 [ 615.362830][T19031] RBP: 00007f4126cd7040 R08: 00007f4126cd7040 R09: 0000000020000000 21:19:34 executing program 1 (fault-call:0 fault-nth:51): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 615.362843][T19031] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000 [ 615.382076][T19049] EXT4-fs (loop4): Can't read superblock on 2nd try [ 615.384827][T19031] R13: 0000000020000100 R14: 00007f4126cd7000 R15: 0000000020000040 21:19:34 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) r1 = shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmdt(r1) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:19:34 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f0c2800000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 615.435708][T19022] loop3: detected capacity change from 0 to 4 [ 615.446535][T19022] EXT4-fs (loop3): Can't read superblock on 2nd try [ 615.454442][T19049] loop4: detected capacity change from 0 to 4 [ 615.460723][T19044] loop0: detected capacity change from 0 to 512 [ 615.474795][T19049] EXT4-fs (loop4): Can't read superblock on 2nd try [ 615.487692][T19065] loop5: detected capacity change from 0 to 4 [ 615.494063][T19044] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 615.503923][T19044] EXT4-fs (loop0): group descriptors corrupted! [ 615.516878][T19065] EXT4-fs (loop5): Can't read superblock on 2nd try 21:19:34 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f710200000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 615.541130][T19069] loop1: detected capacity change from 0 to 4 [ 615.545296][T19070] loop2: detected capacity change from 0 to 11 [ 615.551905][T19069] FAULT_INJECTION: forcing a failure. [ 615.551905][T19069] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 615.566569][T19069] CPU: 1 PID: 19069 Comm: syz-executor.1 Not tainted 5.14.0-rc4-syzkaller #0 [ 615.575328][T19069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 615.578152][T19070] FAT-fs (loop2): bogus number of reserved sectors [ 615.585375][T19069] Call Trace: [ 615.585384][T19069] dump_stack_lvl+0xb7/0x103 [ 615.585406][T19069] dump_stack+0x11/0x1a [ 615.585421][T19069] should_fail+0x23c/0x250 [ 615.591939][T19070] FAT-fs (loop2): Can't find a valid FAT filesystem [ 615.595158][T19069] should_fail_usercopy+0x16/0x20 [ 615.619901][T19069] strncpy_from_user+0x21/0x250 [ 615.624745][T19069] getname_flags+0xb8/0x3d0 [ 615.629229][T19069] ? should_fail+0xd6/0x250 [ 615.633774][T19069] user_path_at_empty+0x28/0x50 [ 615.638600][T19069] __se_sys_mount+0x209/0x2e0 [ 615.643303][T19069] ? mntput+0x45/0x70 [ 615.647267][T19069] __x64_sys_mount+0x63/0x70 [ 615.651854][T19069] do_syscall_64+0x3d/0x90 [ 615.656252][T19069] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 615.662127][T19069] RIP: 0033:0x467b0a [ 615.666014][T19069] Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 21:19:35 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000480000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 615.685639][T19069] RSP: 002b:00007f4126cd6fa8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 [ 615.694038][T19069] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000467b0a [ 615.702055][T19069] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f4126cd7000 [ 615.710018][T19069] RBP: 00007f4126cd7040 R08: 00007f4126cd7040 R09: 0000000020000000 [ 615.718034][T19069] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000 [ 615.725983][T19069] R13: 0000000020000100 R14: 00007f4126cd7000 R15: 0000000020000040 21:19:35 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000400000000300000030006d020f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:19:35 executing program 1 (fault-call:0 fault-nth:52): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 615.755798][T19065] loop5: detected capacity change from 0 to 4 [ 615.769340][T19081] loop4: detected capacity change from 0 to 4 [ 615.779376][T19065] EXT4-fs (loop5): Can't read superblock on 2nd try [ 615.785576][T19070] loop2: detected capacity change from 0 to 2176 [ 615.813943][T19092] loop1: detected capacity change from 0 to 4 [ 615.819445][T19091] loop0: detected capacity change from 0 to 512 [ 615.822799][T19092] FAULT_INJECTION: forcing a failure. [ 615.822799][T19092] name failslab, interval 1, probability 0, space 0, times 0 [ 615.838834][T19092] CPU: 1 PID: 19092 Comm: syz-executor.1 Not tainted 5.14.0-rc4-syzkaller #0 [ 615.839300][T19093] loop3: detected capacity change from 0 to 4 [ 615.847582][T19092] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 615.847595][T19092] Call Trace: [ 615.847602][T19092] dump_stack_lvl+0xb7/0x103 [ 615.854040][T19081] EXT4-fs (loop4): Can't read superblock on 2nd try [ 615.863731][T19092] dump_stack+0x11/0x1a [ 615.863751][T19092] should_fail+0x23c/0x250 [ 615.863771][T19092] __should_failslab+0x81/0x90 [ 615.871776][T19091] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 615.878179][T19092] ? alloc_fs_context+0x46/0x500 [ 615.882357][T19091] EXT4-fs (loop0): group descriptors corrupted! 21:19:35 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) r1 = syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) socket$inet6_udp(0xa, 0x2, 0x0) r2 = signalfd(r1, &(0x7f0000000000)={[0xd949]}, 0x8) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x100000a, 0x10, r2, 0x3746f000) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 615.886716][T19092] should_failslab+0x5/0x20 [ 615.895321][T19093] EXT4-fs (loop3): Can't read superblock on 2nd try [ 615.901134][T19092] kmem_cache_alloc_trace+0x49/0x310 [ 615.901162][T19092] alloc_fs_context+0x46/0x500 [ 615.901180][T19092] ? strncmp+0x34/0x70 [ 615.937577][T19092] fs_context_for_mount+0x1d/0x20 [ 615.942605][T19092] path_mount+0xdf5/0x1ce0 [ 615.947022][T19092] __se_sys_mount+0x23d/0x2e0 [ 615.951705][T19092] ? mntput+0x45/0x70 [ 615.955729][T19092] __x64_sys_mount+0x63/0x70 [ 615.960379][T19092] do_syscall_64+0x3d/0x90 [ 615.964773][T19092] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 615.970768][T19092] RIP: 0033:0x467b0a [ 615.974635][T19092] 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 [ 615.994219][T19092] RSP: 002b:00007f4126cd6fa8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 [ 616.002671][T19092] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000467b0a 21:19:35 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f002e00000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 616.010621][T19092] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f4126cd7000 [ 616.018568][T19092] RBP: 00007f4126cd7040 R08: 00007f4126cd7040 R09: 0000000020000000 [ 616.026515][T19092] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000 [ 616.034464][T19092] R13: 0000000020000100 R14: 00007f4126cd7000 R15: 0000000020000040 [ 616.067862][T19106] loop5: detected capacity change from 0 to 4 [ 616.082421][T19106] EXT4-fs (loop5): Can't read superblock on 2nd try [ 616.096417][T19101] loop2: detected capacity change from 0 to 11 [ 616.096480][T19093] loop3: detected capacity change from 0 to 4 [ 616.096887][T19093] EXT4-fs (loop3): Can't read superblock on 2nd try [ 616.117815][T19081] loop4: detected capacity change from 0 to 4 [ 616.126178][T19091] loop0: detected capacity change from 0 to 512 [ 616.133157][T19081] EXT4-fs (loop4): Can't read superblock on 2nd try [ 616.138925][T19091] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 616.149596][T19091] EXT4-fs (loop0): group descriptors corrupted! [ 616.156540][T19106] loop5: detected capacity change from 0 to 4 21:19:35 executing program 1 (fault-call:0 fault-nth:53): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 616.157797][T19101] FAT-fs (loop2): bogus number of reserved sectors [ 616.169113][T19101] FAT-fs (loop2): Can't find a valid FAT filesystem [ 616.179202][T19106] EXT4-fs (loop5): Can't read superblock on 2nd try 21:19:35 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f0000004c0000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:35 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f720200000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 616.215537][T19126] loop1: detected capacity change from 0 to 4 [ 616.232978][T19126] FAULT_INJECTION: forcing a failure. [ 616.232978][T19126] name failslab, interval 1, probability 0, space 0, times 0 [ 616.243787][T19133] loop4: detected capacity change from 0 to 4 [ 616.245590][T19126] CPU: 0 PID: 19126 Comm: syz-executor.1 Not tainted 5.14.0-rc4-syzkaller #0 [ 616.260449][T19126] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 616.270487][T19126] Call Trace: [ 616.273750][T19126] dump_stack_lvl+0xb7/0x103 [ 616.278325][T19126] dump_stack+0x11/0x1a [ 616.282456][T19126] should_fail+0x23c/0x250 [ 616.286855][T19126] __should_failslab+0x81/0x90 [ 616.291613][T19126] ? legacy_init_fs_context+0x2d/0x70 [ 616.296970][T19126] should_failslab+0x5/0x20 [ 616.301486][T19126] kmem_cache_alloc_trace+0x49/0x310 [ 616.306769][T19126] ? kmem_cache_alloc_trace+0x20f/0x310 [ 616.312298][T19126] ? alloc_fs_context+0x46/0x500 [ 616.317214][T19126] legacy_init_fs_context+0x2d/0x70 [ 616.322395][T19126] alloc_fs_context+0x419/0x500 [ 616.327297][T19126] fs_context_for_mount+0x1d/0x20 [ 616.332304][T19126] path_mount+0xdf5/0x1ce0 [ 616.336702][T19126] __se_sys_mount+0x23d/0x2e0 [ 616.341404][T19126] ? mntput+0x45/0x70 [ 616.345368][T19126] __x64_sys_mount+0x63/0x70 [ 616.349937][T19126] do_syscall_64+0x3d/0x90 [ 616.354336][T19126] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 616.360214][T19126] RIP: 0033:0x467b0a [ 616.364100][T19126] 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 [ 616.383687][T19126] RSP: 002b:00007f4126cd6fa8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 [ 616.392077][T19126] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000467b0a [ 616.400033][T19126] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f4126cd7000 [ 616.407985][T19126] RBP: 00007f4126cd7040 R08: 00007f4126cd7040 R09: 0000000020000000 21:19:35 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300070020f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 616.415938][T19126] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000 [ 616.423886][T19126] R13: 0000000020000100 R14: 00007f4126cd7000 R15: 0000000020000040 [ 616.432032][T19133] EXT4-fs (loop4): Can't read superblock on 2nd try 21:19:35 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f003f00000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 616.457229][T19101] loop2: detected capacity change from 0 to 11 [ 616.458382][T19134] loop3: detected capacity change from 0 to 4 [ 616.470605][T19101] FAT-fs (loop2): bogus number of reserved sectors [ 616.477217][T19101] FAT-fs (loop2): Can't find a valid FAT filesystem [ 616.487019][T19133] loop4: detected capacity change from 0 to 4 [ 616.494149][T19134] EXT4-fs (loop3): Can't read superblock on 2nd try [ 616.496528][T19133] EXT4-fs (loop4): Can't read superblock on 2nd try 21:19:35 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmctl$IPC_RMID(0xffffffffffffffff, 0x0) r1 = shmget$private(0x0, 0x400000, 0x0, &(0x7f000000e000/0x400000)=nil) shmat(r1, &(0x7f0000000000/0x13000)=nil, 0x4000) shmctl$IPC_RMID(r1, 0x0) shmctl$IPC_RMID(r1, 0x0) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 616.505723][T19149] loop5: detected capacity change from 0 to 4 [ 616.508269][T19145] loop0: detected capacity change from 0 to 512 [ 616.520066][T19149] EXT4-fs (loop5): Can't read superblock on 2nd try [ 616.522937][T19145] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 616.536418][T19145] EXT4-fs (loop0): group descriptors corrupted! 21:19:35 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000600000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:35 executing program 1 (fault-call:0 fault-nth:54): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 616.554152][T19134] loop3: detected capacity change from 0 to 4 [ 616.564906][T19134] EXT4-fs (loop3): Can't read superblock on 2nd try [ 616.572597][T19149] loop5: detected capacity change from 0 to 4 [ 616.576305][T19158] loop4: detected capacity change from 0 to 4 [ 616.586872][T19158] EXT4-fs (loop4): Can't read superblock on 2nd try [ 616.590457][T19149] EXT4-fs (loop5): Can't read superblock on 2nd try [ 616.598112][T19162] loop1: detected capacity change from 0 to 4 [ 616.608324][T19162] FAULT_INJECTION: forcing a failure. [ 616.608324][T19162] name failslab, interval 1, probability 0, space 0, times 0 [ 616.614578][T19145] loop0: detected capacity change from 0 to 512 [ 616.620950][T19162] CPU: 0 PID: 19162 Comm: syz-executor.1 Not tainted 5.14.0-rc4-syzkaller #0 [ 616.635901][T19162] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 616.645945][T19162] Call Trace: [ 616.649207][T19162] dump_stack_lvl+0xb7/0x103 [ 616.653782][T19162] dump_stack+0x11/0x1a [ 616.657914][T19162] should_fail+0x23c/0x250 [ 616.662413][T19162] __should_failslab+0x81/0x90 [ 616.667197][T19162] ? legacy_init_fs_context+0x2d/0x70 [ 616.672657][T19162] should_failslab+0x5/0x20 [ 616.677145][T19162] kmem_cache_alloc_trace+0x49/0x310 [ 616.682421][T19162] ? kmem_cache_alloc_trace+0x20f/0x310 [ 616.688022][T19162] ? alloc_fs_context+0x46/0x500 [ 616.692946][T19162] legacy_init_fs_context+0x2d/0x70 [ 616.698130][T19162] alloc_fs_context+0x419/0x500 [ 616.702966][T19162] fs_context_for_mount+0x1d/0x20 [ 616.707970][T19162] path_mount+0xdf5/0x1ce0 [ 616.712437][T19162] __se_sys_mount+0x23d/0x2e0 [ 616.717105][T19162] ? mntput+0x45/0x70 [ 616.721082][T19162] __x64_sys_mount+0x63/0x70 [ 616.725652][T19162] do_syscall_64+0x3d/0x90 [ 616.730062][T19162] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 616.736014][T19162] RIP: 0033:0x467b0a 21:19:36 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000300000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 616.739886][T19162] 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 [ 616.759510][T19162] RSP: 002b:00007f4126cd6fa8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 [ 616.767906][T19162] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000467b0a [ 616.775857][T19162] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f4126cd7000 [ 616.783806][T19162] RBP: 00007f4126cd7040 R08: 00007f4126cd7040 R09: 0000000020000000 [ 616.791757][T19162] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000 [ 616.799721][T19162] R13: 0000000020000100 R14: 00007f4126cd7000 R15: 0000000020000040 21:19:36 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f004000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 616.827547][T19158] loop4: detected capacity change from 0 to 4 [ 616.838860][T19158] EXT4-fs (loop4): Can't read superblock on 2nd try [ 616.852648][T19177] loop3: detected capacity change from 0 to 4 [ 616.852894][T19178] loop5: detected capacity change from 0 to 4 [ 616.859294][T19179] loop2: detected capacity change from 0 to 11 21:19:36 executing program 1 (fault-call:0 fault-nth:55): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:36 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300071020f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 616.882488][T19177] EXT4-fs (loop3): Can't read superblock on 2nd try [ 616.896664][T19179] FAT-fs (loop2): bogus number of reserved sectors [ 616.903210][T19179] FAT-fs (loop2): Can't find a valid FAT filesystem [ 616.910149][T19178] EXT4-fs (loop5): Can't read superblock on 2nd try 21:19:36 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000680000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 616.932049][T19177] loop3: detected capacity change from 0 to 4 [ 616.936373][T19190] loop1: detected capacity change from 0 to 4 [ 616.938513][T19177] EXT4-fs (loop3): Can't read superblock on 2nd try [ 616.947791][T19190] FAULT_INJECTION: forcing a failure. [ 616.947791][T19190] name failslab, interval 1, probability 0, space 0, times 0 [ 616.963377][T19190] CPU: 1 PID: 19190 Comm: syz-executor.1 Not tainted 5.14.0-rc4-syzkaller #0 [ 616.972179][T19190] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 616.982291][T19190] Call Trace: [ 616.985568][T19190] dump_stack_lvl+0xb7/0x103 [ 616.990153][T19190] dump_stack+0x11/0x1a [ 616.994300][T19190] should_fail+0x23c/0x250 [ 616.998754][T19190] ? ext4_mount+0x40/0x40 [ 617.003082][T19190] ? getname_kernel+0x37/0x1d0 [ 617.007925][T19190] __should_failslab+0x81/0x90 [ 617.012677][T19190] should_failslab+0x5/0x20 [ 617.017176][T19190] kmem_cache_alloc+0x46/0x2e0 [ 617.021953][T19190] ? avc_has_perm_noaudit+0x19a/0x240 [ 617.027320][T19190] ? ext4_mount+0x40/0x40 [ 617.031649][T19190] getname_kernel+0x37/0x1d0 [ 617.036234][T19190] ? ext4_mount+0x40/0x40 [ 617.040557][T19190] kern_path+0x19/0x40 [ 617.044615][T19190] blkdev_get_by_path+0x54/0x1b0 [ 617.044955][T19204] loop0: detected capacity change from 0 to 512 [ 617.049549][T19190] mount_bdev+0x47/0x290 [ 617.049573][T19190] ? ext4_errno_to_code+0x110/0x110 [ 617.049598][T19190] ext4_mount+0x2d/0x40 [ 617.069325][T19190] legacy_get_tree+0x70/0xc0 [ 617.073924][T19190] vfs_get_tree+0x4a/0x1a0 [ 617.078375][T19190] path_mount+0x11d4/0x1ce0 [ 617.082860][T19190] __se_sys_mount+0x23d/0x2e0 [ 617.087524][T19190] ? mntput+0x45/0x70 [ 617.091525][T19190] __x64_sys_mount+0x63/0x70 [ 617.096099][T19190] do_syscall_64+0x3d/0x90 [ 617.100501][T19190] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 617.106378][T19190] RIP: 0033:0x467b0a [ 617.110253][T19190] 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 [ 617.129883][T19190] RSP: 002b:00007f4126cd6fa8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 [ 617.138279][T19190] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000467b0a [ 617.146230][T19190] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f4126cd7000 [ 617.154267][T19190] RBP: 00007f4126cd7040 R08: 00007f4126cd7040 R09: 0000000020000000 [ 617.162221][T19190] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000 [ 617.170172][T19190] R13: 0000000020000100 R14: 00007f4126cd7000 R15: 0000000020000040 [ 617.179454][T19203] loop4: detected capacity change from 0 to 4 [ 617.182216][T19204] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 617.195307][T19204] EXT4-fs (loop0): group descriptors corrupted! [ 617.202143][T19203] EXT4-fs (loop4): Can't read superblock on 2nd try [ 617.215046][T19178] loop5: detected capacity change from 0 to 4 21:19:36 executing program 1 (fault-call:0 fault-nth:56): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:36 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f020400000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 617.228352][T19179] loop2: detected capacity change from 0 to 2176 [ 617.241254][T19178] EXT4-fs (loop5): Can't read superblock on 2nd try [ 617.251556][T19203] loop4: detected capacity change from 0 to 4 [ 617.263290][T19204] loop0: detected capacity change from 0 to 512 [ 617.273026][T19203] EXT4-fs (loop4): Can't read superblock on 2nd try 21:19:36 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000240)=ANY=[@ANYBLOB="797472eed158e47526d844dfa6c8360e1907ea780672330cab617ccce610f097e6c207057be23193038027c2383f76cc6fa6ad5db3ab88eced3b65d9d7749fa0b9a8b8b10f1767b8350902cb443f44deb86bf7a0a16a032bc710d1bc1f20beb23d14bcbb592624be0d67672fe91a22bafb31f87b5edbbf86afa1a509a365caa4913427d0125219b341ff18baaf266bd409a144591991b79faf9641e1e24eded415a4f974171cdd408e0cda7668f10c58b2312375d200e39ffd64453660e2a0ebf78dabcda002e244307ced034dd010a23d31709fb8cd4dda7222a360065e481b8d98272f9b496b96", @ANYRESHEX=0x0, @ANYBLOB="196e6f646f74732c00"]) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) chdir(&(0x7f0000000040)='./file0\x00') shmctl$SHM_UNLOCK(0xffffffffffffffff, 0xc) setsockopt$sock_int(r0, 0x1, 0x2, &(0x7f0000000080)=0x3ee1, 0x4) shmctl$SHM_LOCK(0xffffffffffffffff, 0xb) shmctl$IPC_INFO(0xffffffffffffffff, 0x3, &(0x7f00000003c0)=""/4096) open(&(0x7f0000000000)='./file0/file0\x00', 0x8000, 0x26) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 617.291509][T19204] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 617.301267][T19204] EXT4-fs (loop0): group descriptors corrupted! [ 617.306321][T19225] loop3: detected capacity change from 0 to 4 [ 617.308608][T19220] loop1: detected capacity change from 0 to 4 21:19:36 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f0000006c0000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 617.341507][T19225] EXT4-fs (loop3): Can't read superblock on 2nd try [ 617.354741][T19220] FAULT_INJECTION: forcing a failure. [ 617.354741][T19220] name failslab, interval 1, probability 0, space 0, times 0 [ 617.367402][T19220] CPU: 0 PID: 19220 Comm: syz-executor.1 Not tainted 5.14.0-rc4-syzkaller #0 [ 617.376149][T19220] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 617.386195][T19220] Call Trace: 21:19:36 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f004800000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 617.388640][T19238] loop5: detected capacity change from 0 to 4 [ 617.389463][T19220] dump_stack_lvl+0xb7/0x103 [ 617.397872][T19238] EXT4-fs (loop5): Can't read superblock on 2nd try [ 617.400084][T19220] dump_stack+0x11/0x1a [ 617.400104][T19220] should_fail+0x23c/0x250 [ 617.415181][T19220] __should_failslab+0x81/0x90 [ 617.418843][T19240] loop4: detected capacity change from 0 to 4 [ 617.419957][T19220] ? alloc_super+0x3a/0x520 [ 617.428803][T19240] EXT4-fs (loop4): Can't read superblock on 2nd try [ 617.430486][T19220] should_failslab+0x5/0x20 [ 617.430508][T19220] kmem_cache_alloc_trace+0x49/0x310 [ 617.446842][T19220] ? mount_bdev+0x290/0x290 [ 617.451328][T19220] alloc_super+0x3a/0x520 [ 617.455635][T19220] ? mount_bdev+0x290/0x290 [ 617.460181][T19220] sget+0x1a5/0x400 [ 617.464025][T19220] ? test_bdev_super+0x30/0x30 [ 617.468765][T19220] mount_bdev+0xd3/0x290 [ 617.473043][T19220] ? ext4_mount+0x40/0x40 [ 617.477359][T19220] ? ext4_errno_to_code+0x110/0x110 [ 617.482531][T19220] ext4_mount+0x2d/0x40 [ 617.486702][T19220] legacy_get_tree+0x70/0xc0 [ 617.491362][T19220] vfs_get_tree+0x4a/0x1a0 [ 617.495828][T19220] path_mount+0x11d4/0x1ce0 [ 617.500312][T19220] __se_sys_mount+0x23d/0x2e0 [ 617.504964][T19220] ? mntput+0x45/0x70 [ 617.508969][T19220] __x64_sys_mount+0x63/0x70 [ 617.513560][T19220] do_syscall_64+0x3d/0x90 [ 617.517964][T19220] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 617.523911][T19220] RIP: 0033:0x467b0a [ 617.527786][T19220] 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 [ 617.547379][T19220] RSP: 002b:00007f4126cd6fa8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 [ 617.555766][T19220] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000467b0a [ 617.563787][T19220] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f4126cd7000 [ 617.571734][T19220] RBP: 00007f4126cd7040 R08: 00007f4126cd7040 R09: 0000000020000000 [ 617.579678][T19220] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000 21:19:36 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f060400000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:36 executing program 1 (fault-call:0 fault-nth:57): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:36 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000030f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 617.587626][T19220] R13: 0000000020000100 R14: 00007f4126cd7000 R15: 0000000020000040 [ 617.601871][T19233] loop2: detected capacity change from 0 to 11 [ 617.631129][T19240] loop4: detected capacity change from 0 to 4 [ 617.634808][T19238] loop5: detected capacity change from 0 to 4 [ 617.646267][T19238] EXT4-fs (loop5): Can't read superblock on 2nd try [ 617.661247][T19233] loop2: detected capacity change from 0 to 11 [ 617.668528][T19240] EXT4-fs (loop4): Can't read superblock on 2nd try [ 617.688413][T19260] loop1: detected capacity change from 0 to 4 [ 617.696892][T19265] loop0: detected capacity change from 0 to 512 [ 617.699681][T19260] FAULT_INJECTION: forcing a failure. [ 617.699681][T19260] name failslab, interval 1, probability 0, space 0, times 0 [ 617.715733][T19260] CPU: 1 PID: 19260 Comm: syz-executor.1 Not tainted 5.14.0-rc4-syzkaller #0 [ 617.720326][T19266] loop3: detected capacity change from 0 to 4 [ 617.724487][T19260] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 617.724500][T19260] Call Trace: 21:19:37 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) socket$unix(0x1, 0x5, 0x0) setreuid(0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0, 0x44}], 0x1002040, &(0x7f0000001340)=ANY=[@ANYBLOB="6e6f646f74732c6e6f646f74732c7569643dc9b429d194f83c285a478ed28b989d29be74c09d513ef700dfc8d1a9675299388719ded957cd54a59b48bf642472facb51d0be0071e4e823a7ec55a44bad095a46d628128bb2a69bc5b5629e3b5c940f7dae48384c", @ANYRESDEC, @ANYBLOB, @ANYRESDEC, @ANYBLOB="2c7375626a5f757365723d6e6f646f74732c6d61736b3d4d41595f524541442c7375622a5f747970653d2f559ebdbaa5928bc1d27032e033862c61707072616973655f747970653d696d617369672c7375626a5f726f6c653d6d73646f73002c6f626a5f747980653d6e6f646f74732c00"]) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) r1 = shmget$private(0x0, 0x2000, 0x54001800, &(0x7f0000b49000/0x2000)=nil) shmat(r1, &(0x7f0000000000/0x4000)=nil, 0xffffffffffffdfff) r2 = openat$procfs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/timer_list\x00', 0x0, 0x0) preadv(r2, &(0x7f0000001580)=[{&(0x7f0000000240)=""/4096, 0x1000}], 0x1, 0xdb9, 0x0) openat(r2, &(0x7f0000000140)='./file0\x00', 0x2040, 0x10) ioctl$BTRFS_IOC_LOGICAL_INO(0xffffffffffffffff, 0xc0389424, &(0x7f0000000040)={0x8001, 0x20, '\x00', 0x0, &(0x7f0000000000)=[0x0, 0x0, 0x0, 0x0]}) shmctl$IPC_RMID(r1, 0x0) r3 = shmget(0x0, 0x2000, 0x8, &(0x7f000055c000/0x2000)=nil) shmctl$SHM_UNLOCK(r3, 0xc) shmctl$SHM_STAT_ANY(r1, 0xf, &(0x7f00000000c0)=""/5) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 617.724508][T19260] dump_stack_lvl+0xb7/0x103 [ 617.743185][T19265] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 617.743938][T19260] dump_stack+0x11/0x1a [ 617.748512][T19265] EXT4-fs (loop0): group descriptors corrupted! [ 617.758193][T19260] should_fail+0x23c/0x250 [ 617.758220][T19260] ? kzalloc+0x1d/0x30 [ 617.777046][T19260] __should_failslab+0x81/0x90 [ 617.781803][T19260] should_failslab+0x5/0x20 [ 617.785115][T19266] EXT4-fs (loop3): Can't read superblock on 2nd try [ 617.786302][T19260] __kmalloc+0x66/0x340 [ 617.797006][T19260] kzalloc+0x1d/0x30 [ 617.801037][T19260] security_sb_alloc+0x3c/0x180 [ 617.805950][T19260] alloc_super+0x10b/0x520 [ 617.810347][T19260] ? mount_bdev+0x290/0x290 [ 617.814829][T19260] sget+0x1a5/0x400 [ 617.818624][T19260] ? test_bdev_super+0x30/0x30 [ 617.823380][T19260] mount_bdev+0xd3/0x290 [ 617.827603][T19260] ? ext4_mount+0x40/0x40 [ 617.831937][T19260] ? ext4_errno_to_code+0x110/0x110 [ 617.837120][T19260] ext4_mount+0x2d/0x40 [ 617.841330][T19260] legacy_get_tree+0x70/0xc0 [ 617.845970][T19260] vfs_get_tree+0x4a/0x1a0 [ 617.850366][T19260] path_mount+0x11d4/0x1ce0 [ 617.854883][T19260] __se_sys_mount+0x23d/0x2e0 [ 617.859598][T19260] ? mntput+0x45/0x70 [ 617.863565][T19260] __x64_sys_mount+0x63/0x70 [ 617.868153][T19260] do_syscall_64+0x3d/0x90 [ 617.872558][T19260] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 617.878479][T19260] RIP: 0033:0x467b0a [ 617.882350][T19260] 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 [ 617.901933][T19260] RSP: 002b:00007f4126cd6fa8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 [ 617.910456][T19260] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000467b0a [ 617.918407][T19260] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f4126cd7000 [ 617.926364][T19260] RBP: 00007f4126cd7040 R08: 00007f4126cd7040 R09: 0000000020000000 [ 617.934320][T19260] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000 21:19:37 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f004c00000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 617.942269][T19260] R13: 0000000020000100 R14: 00007f4126cd7000 R15: 0000000020000040 21:19:37 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f0000026d0000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:37 executing program 1 (fault-call:0 fault-nth:58): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 617.974401][T19265] loop0: detected capacity change from 0 to 512 [ 617.980636][T19266] loop3: detected capacity change from 0 to 4 [ 617.987629][T19266] EXT4-fs (loop3): Can't read superblock on 2nd try [ 617.997207][T19280] loop4: detected capacity change from 0 to 4 21:19:37 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f100400000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 618.016322][T19265] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 618.026088][T19265] EXT4-fs (loop0): group descriptors corrupted! [ 618.027881][T19285] loop5: detected capacity change from 0 to 4 [ 618.035371][T19282] loop2: detected capacity change from 0 to 11 [ 618.048082][T19280] EXT4-fs (loop4): Can't read superblock on 2nd try [ 618.058098][T19289] loop1: detected capacity change from 0 to 4 [ 618.066702][T19285] EXT4-fs (loop5): Can't read superblock on 2nd try [ 618.086379][T19296] loop3: detected capacity change from 0 to 4 [ 618.095804][T19289] FAULT_INJECTION: forcing a failure. [ 618.095804][T19289] name failslab, interval 1, probability 0, space 0, times 0 [ 618.108433][T19289] CPU: 0 PID: 19289 Comm: syz-executor.1 Not tainted 5.14.0-rc4-syzkaller #0 [ 618.109176][T19296] EXT4-fs (loop3): Can't read superblock on 2nd try [ 618.117278][T19289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 618.117290][T19289] Call Trace: [ 618.117297][T19289] dump_stack_lvl+0xb7/0x103 [ 618.141699][T19289] dump_stack+0x11/0x1a [ 618.145830][T19289] should_fail+0x23c/0x250 [ 618.150274][T19289] ? __list_lru_init+0x70/0x680 [ 618.155178][T19289] __should_failslab+0x81/0x90 [ 618.160036][T19289] should_failslab+0x5/0x20 [ 618.164547][T19289] __kmalloc+0x66/0x340 [ 618.168684][T19289] ? prealloc_memcg_shrinker+0x444/0x460 [ 618.174296][T19289] __list_lru_init+0x70/0x680 [ 618.179035][T19289] alloc_super+0x490/0x520 [ 618.183450][T19289] ? mount_bdev+0x290/0x290 [ 618.187935][T19289] sget+0x1a5/0x400 [ 618.191719][T19289] ? test_bdev_super+0x30/0x30 [ 618.196463][T19289] mount_bdev+0xd3/0x290 [ 618.200686][T19289] ? ext4_mount+0x40/0x40 [ 618.204989][T19289] ? ext4_errno_to_code+0x110/0x110 [ 618.210180][T19289] ext4_mount+0x2d/0x40 [ 618.214378][T19289] legacy_get_tree+0x70/0xc0 [ 618.218966][T19289] vfs_get_tree+0x4a/0x1a0 [ 618.223369][T19289] path_mount+0x11d4/0x1ce0 [ 618.227862][T19289] __se_sys_mount+0x23d/0x2e0 [ 618.232530][T19289] ? mntput+0x45/0x70 [ 618.236484][T19289] __x64_sys_mount+0x63/0x70 [ 618.241062][T19289] do_syscall_64+0x3d/0x90 [ 618.245517][T19289] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 618.251438][T19289] RIP: 0033:0x467b0a [ 618.255329][T19289] 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 [ 618.274912][T19289] RSP: 002b:00007f4126cd6fa8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 [ 618.283309][T19289] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000467b0a [ 618.291271][T19289] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f4126cd7000 [ 618.299229][T19289] RBP: 00007f4126cd7040 R08: 00007f4126cd7040 R09: 0000000020000000 [ 618.307179][T19289] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000 [ 618.315145][T19289] R13: 0000000020000100 R14: 00007f4126cd7000 R15: 0000000020000040 21:19:37 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300002040f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:19:37 executing program 1 (fault-call:0 fault-nth:59): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 618.342786][T19280] loop4: detected capacity change from 0 to 4 [ 618.350997][T19285] loop5: detected capacity change from 0 to 4 [ 618.356482][T19296] loop3: detected capacity change from 0 to 4 [ 618.370596][T19285] EXT4-fs (loop5): Can't read superblock on 2nd try [ 618.377748][T19280] EXT4-fs (loop4): Can't read superblock on 2nd try [ 618.384606][T19296] EXT4-fs (loop3): Can't read superblock on 2nd try 21:19:37 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) ioctl$BTRFS_IOC_GET_SUPPORTED_FEATURES(r0, 0x80489439, &(0x7f0000000000)) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) r1 = socket$unix(0x1, 0x3, 0x0) connect(r1, &(0x7f0000931ff4)=@un=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0xc) mmap(&(0x7f000026c000/0x1000)=nil, 0x1000, 0xb, 0x50, r1, 0x8fbb7000) 21:19:37 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f006000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:37 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000500000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 618.407733][T19312] loop0: detected capacity change from 0 to 512 [ 618.423217][T19316] loop1: detected capacity change from 0 to 4 [ 618.447238][T19312] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock 21:19:37 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000002700000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 618.457044][T19312] EXT4-fs (loop0): group descriptors corrupted! [ 618.474743][T19316] FAULT_INJECTION: forcing a failure. [ 618.474743][T19316] name failslab, interval 1, probability 0, space 0, times 0 [ 618.487430][T19316] CPU: 1 PID: 19316 Comm: syz-executor.1 Not tainted 5.14.0-rc4-syzkaller #0 [ 618.496180][T19316] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 618.504952][T19327] loop3: detected capacity change from 0 to 4 [ 618.506222][T19316] Call Trace: [ 618.506230][T19316] dump_stack_lvl+0xb7/0x103 [ 618.506249][T19316] dump_stack+0x11/0x1a [ 618.514889][T19329] loop5: detected capacity change from 0 to 4 [ 618.515566][T19316] should_fail+0x23c/0x250 [ 618.534681][T19316] __should_failslab+0x81/0x90 [ 618.539449][T19316] should_failslab+0x5/0x20 [ 618.543936][T19316] kmem_cache_alloc_node_trace+0x58/0x2e0 [ 618.549709][T19316] ? should_fail+0xd6/0x250 [ 618.554212][T19316] ? __kmalloc_node+0x30/0x40 [ 618.558875][T19316] __kmalloc_node+0x30/0x40 [ 618.563414][T19316] kvmalloc_node+0x81/0xf0 [ 618.567855][T19316] __list_lru_init+0x2d7/0x680 [ 618.572661][T19316] alloc_super+0x490/0x520 [ 618.577117][T19316] ? mount_bdev+0x290/0x290 [ 618.581652][T19316] sget+0x1a5/0x400 [ 618.585454][T19316] ? test_bdev_super+0x30/0x30 [ 618.590202][T19316] mount_bdev+0xd3/0x290 [ 618.594439][T19316] ? ext4_mount+0x40/0x40 [ 618.598759][T19316] ? ext4_errno_to_code+0x110/0x110 [ 618.603937][T19316] ext4_mount+0x2d/0x40 [ 618.608074][T19316] legacy_get_tree+0x70/0xc0 [ 618.612710][T19316] vfs_get_tree+0x4a/0x1a0 [ 618.617127][T19316] path_mount+0x11d4/0x1ce0 [ 618.621611][T19316] __se_sys_mount+0x23d/0x2e0 [ 618.626309][T19316] ? mntput+0x45/0x70 [ 618.630272][T19316] __x64_sys_mount+0x63/0x70 [ 618.634842][T19316] do_syscall_64+0x3d/0x90 [ 618.639272][T19316] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 618.645148][T19316] RIP: 0033:0x467b0a [ 618.649021][T19316] 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 [ 618.668781][T19316] RSP: 002b:00007f4126cd6fa8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 [ 618.677180][T19316] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000467b0a [ 618.685136][T19316] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f4126cd7000 [ 618.693123][T19316] RBP: 00007f4126cd7040 R08: 00007f4126cd7040 R09: 0000000020000000 [ 618.701116][T19316] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000 [ 618.709099][T19316] R13: 0000000020000100 R14: 00007f4126cd7000 R15: 0000000020000040 [ 618.718489][T19330] loop4: detected capacity change from 0 to 4 [ 618.725965][T19333] loop2: detected capacity change from 0 to 11 [ 618.731097][T19327] EXT4-fs (loop3): Can't read superblock on 2nd try [ 618.739814][T19329] EXT4-fs (loop5): Can't read superblock on 2nd try [ 618.740769][T19330] EXT4-fs (loop4): Can't read superblock on 2nd try [ 618.746870][T19333] FAT-fs (loop2): bogus number of reserved sectors [ 618.759470][T19333] FAT-fs (loop2): Can't find a valid FAT filesystem [ 618.771707][T19312] loop0: detected capacity change from 0 to 512 [ 618.778803][T19312] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 618.788555][T19312] EXT4-fs (loop0): group descriptors corrupted! [ 618.799185][T19327] loop3: detected capacity change from 0 to 4 21:19:38 executing program 1 (fault-call:0 fault-nth:60): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:38 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 618.809276][T19327] EXT4-fs (loop3): Can't read superblock on 2nd try [ 618.829271][T19351] loop1: detected capacity change from 0 to 4 [ 618.841463][T19330] loop4: detected capacity change from 0 to 4 [ 618.847723][T19329] loop5: detected capacity change from 0 to 4 [ 618.861175][T19351] FAULT_INJECTION: forcing a failure. [ 618.861175][T19351] name failslab, interval 1, probability 0, space 0, times 0 [ 618.873795][T19351] CPU: 0 PID: 19351 Comm: syz-executor.1 Not tainted 5.14.0-rc4-syzkaller #0 [ 618.880054][T19330] EXT4-fs (loop4): Can't read superblock on 2nd try [ 618.882544][T19351] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 618.889587][T19362] loop2: detected capacity change from 0 to 11 [ 618.899163][T19351] Call Trace: [ 618.899171][T19351] dump_stack_lvl+0xb7/0x103 [ 618.899192][T19351] dump_stack+0x11/0x1a [ 618.909191][T19362] FAT-fs (loop2): bogus number of reserved sectors [ 618.913214][T19351] should_fail+0x23c/0x250 [ 618.917363][T19362] FAT-fs (loop2): Can't find a valid FAT filesystem [ 618.923833][T19351] ? __list_lru_init+0x70/0x680 [ 618.923858][T19351] __should_failslab+0x81/0x90 [ 618.940046][T19329] EXT4-fs (loop5): Can't read superblock on 2nd try [ 618.944360][T19351] should_failslab+0x5/0x20 [ 618.955423][T19351] __kmalloc+0x66/0x340 21:19:38 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300006040f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:19:38 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000600000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 618.959595][T19351] __list_lru_init+0x70/0x680 [ 618.964262][T19351] alloc_super+0x4bf/0x520 [ 618.968744][T19351] ? mount_bdev+0x290/0x290 [ 618.972607][T19368] loop0: detected capacity change from 0 to 512 [ 618.973266][T19351] sget+0x1a5/0x400 [ 618.973288][T19351] ? test_bdev_super+0x30/0x30 [ 618.983049][T19368] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 618.983282][T19351] mount_bdev+0xd3/0x290 [ 618.988049][T19368] EXT4-fs (loop0): group descriptors corrupted! [ 618.997812][T19351] ? ext4_mount+0x40/0x40 [ 618.997833][T19351] ? ext4_errno_to_code+0x110/0x110 [ 618.997850][T19351] ext4_mount+0x2d/0x40 [ 618.997863][T19351] legacy_get_tree+0x70/0xc0 [ 619.004567][T19367] loop3: detected capacity change from 0 to 4 [ 619.008341][T19351] vfs_get_tree+0x4a/0x1a0 [ 619.008366][T19351] path_mount+0x11d4/0x1ce0 [ 619.015882][T19367] EXT4-fs (loop3): Can't read superblock on 2nd try [ 619.017831][T19351] __se_sys_mount+0x23d/0x2e0 [ 619.017853][T19351] ? mntput+0x45/0x70 [ 619.056572][T19351] __x64_sys_mount+0x63/0x70 [ 619.061270][T19351] do_syscall_64+0x3d/0x90 [ 619.065732][T19351] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 619.071765][T19351] RIP: 0033:0x467b0a [ 619.075635][T19351] 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 [ 619.095284][T19351] RSP: 002b:00007f4126cd6fa8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 [ 619.103687][T19351] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000467b0a [ 619.111635][T19351] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f4126cd7000 [ 619.119612][T19351] RBP: 00007f4126cd7040 R08: 00007f4126cd7040 R09: 0000000020000000 [ 619.127594][T19351] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000 [ 619.135541][T19351] R13: 0000000020000100 R14: 00007f4126cd7000 R15: 0000000020000040 21:19:38 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f006800000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 619.158721][T19362] loop2: detected capacity change from 0 to 11 [ 619.171877][T19362] FAT-fs (loop2): bogus number of reserved sectors [ 619.178395][T19362] FAT-fs (loop2): Can't find a valid FAT filesystem [ 619.189384][T19368] loop0: detected capacity change from 0 to 512 [ 619.196112][T19367] loop3: detected capacity change from 0 to 4 [ 619.196112][T19382] loop5: detected capacity change from 0 to 4 21:19:38 executing program 1 (fault-call:0 fault-nth:61): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 619.205816][T19367] EXT4-fs (loop3): Can't read superblock on 2nd try [ 619.219839][T19368] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 619.222509][T19387] loop1: detected capacity change from 0 to 4 [ 619.229698][T19368] EXT4-fs (loop0): group descriptors corrupted! [ 619.238601][T19387] FAULT_INJECTION: forcing a failure. [ 619.238601][T19387] name failslab, interval 1, probability 0, space 0, times 0 [ 619.254550][T19387] CPU: 0 PID: 19387 Comm: syz-executor.1 Not tainted 5.14.0-rc4-syzkaller #0 [ 619.263318][T19387] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 619.273354][T19387] Call Trace: [ 619.276630][T19387] dump_stack_lvl+0xb7/0x103 [ 619.281208][T19387] dump_stack+0x11/0x1a [ 619.285347][T19387] should_fail+0x23c/0x250 [ 619.289744][T19387] __should_failslab+0x81/0x90 [ 619.294489][T19387] should_failslab+0x5/0x20 [ 619.298977][T19387] kmem_cache_alloc_node_trace+0x58/0x2e0 [ 619.304697][T19387] ? should_fail+0xd6/0x250 [ 619.309230][T19387] ? __kmalloc_node+0x30/0x40 [ 619.313891][T19387] __kmalloc_node+0x30/0x40 [ 619.318376][T19387] kvmalloc_node+0x81/0xf0 [ 619.322782][T19387] __list_lru_init+0x2d7/0x680 [ 619.327607][T19387] alloc_super+0x4bf/0x520 [ 619.332119][T19387] ? mount_bdev+0x290/0x290 [ 619.336611][T19387] sget+0x1a5/0x400 [ 619.340494][T19387] ? test_bdev_super+0x30/0x30 [ 619.345252][T19387] mount_bdev+0xd3/0x290 [ 619.349476][T19387] ? ext4_mount+0x40/0x40 [ 619.353818][T19387] ? ext4_errno_to_code+0x110/0x110 [ 619.359000][T19387] ext4_mount+0x2d/0x40 [ 619.363152][T19387] legacy_get_tree+0x70/0xc0 [ 619.367866][T19387] vfs_get_tree+0x4a/0x1a0 [ 619.372269][T19387] path_mount+0x11d4/0x1ce0 [ 619.376789][T19387] __se_sys_mount+0x23d/0x2e0 [ 619.381446][T19387] ? mntput+0x45/0x70 [ 619.385458][T19387] __x64_sys_mount+0x63/0x70 [ 619.390029][T19387] do_syscall_64+0x3d/0x90 [ 619.394425][T19387] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 619.400305][T19387] RIP: 0033:0x467b0a [ 619.404179][T19387] 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 [ 619.423826][T19387] RSP: 002b:00007f4126cd6fa8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 [ 619.432215][T19387] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000467b0a [ 619.440166][T19387] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f4126cd7000 [ 619.448196][T19387] RBP: 00007f4126cd7040 R08: 00007f4126cd7040 R09: 0000000020000000 [ 619.456147][T19387] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000 21:19:38 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000002710000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 619.464102][T19387] R13: 0000000020000100 R14: 00007f4126cd7000 R15: 0000000020000040 [ 619.479037][T19382] EXT4-fs (loop5): Can't read superblock on 2nd try [ 619.493574][T19396] loop4: detected capacity change from 0 to 4 [ 619.501749][T19396] EXT4-fs (loop4): Can't read superblock on 2nd try 21:19:38 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300010040f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:19:38 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) perf_event_open(&(0x7f0000000000)={0x5, 0x80, 0x0, 0x4, 0x2, 0x8, 0x0, 0x8, 0x10000, 0x2, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0xffff8000, 0x4, @perf_config_ext={0x80000001, 0x9}, 0x1a43, 0xf7, 0x3bf, 0x2, 0xe4b, 0x0, 0x6, 0x0, 0xff, 0x0, 0x2}, 0x0, 0x2, r0, 0x5) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:19:38 executing program 1 (fault-call:0 fault-nth:62): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 619.510738][T19382] loop5: detected capacity change from 0 to 4 21:19:38 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f040600000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 619.550835][T19382] EXT4-fs (loop5): Can't read superblock on 2nd try [ 619.558121][T19396] loop4: detected capacity change from 0 to 4 [ 619.561493][T19407] loop1: detected capacity change from 0 to 4 [ 619.570277][T19396] EXT4-fs (loop4): Can't read superblock on 2nd try [ 619.576495][T19410] loop3: detected capacity change from 0 to 4 [ 619.578934][T19407] FAULT_INJECTION: forcing a failure. [ 619.578934][T19407] name failslab, interval 1, probability 0, space 0, times 0 21:19:38 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f006c00000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 619.595531][T19407] CPU: 0 PID: 19407 Comm: syz-executor.1 Not tainted 5.14.0-rc4-syzkaller #0 [ 619.598114][T19406] loop2: detected capacity change from 0 to 11 [ 619.604276][T19407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 619.604289][T19407] Call Trace: [ 619.604296][T19407] dump_stack_lvl+0xb7/0x103 [ 619.628352][T19407] dump_stack+0x11/0x1a [ 619.632562][T19407] should_fail+0x23c/0x250 [ 619.636975][T19407] ? ext4_fill_super+0x3d/0x7ff0 [ 619.641967][T19407] __should_failslab+0x81/0x90 [ 619.644120][T19410] EXT4-fs (loop3): Can't read superblock on 2nd try [ 619.646717][T19407] should_failslab+0x5/0x20 [ 619.646738][T19407] __kmalloc_track_caller+0x64/0x340 [ 619.654457][T19406] FAT-fs (loop2): bogus number of reserved sectors [ 619.657770][T19407] ? bdev_name+0x1e1/0x240 [ 619.657790][T19407] kstrdup+0x31/0x70 [ 619.663075][T19406] FAT-fs (loop2): Can't find a valid FAT filesystem [ 619.669529][T19407] ext4_fill_super+0x3d/0x7ff0 [ 619.689128][T19407] ? vsnprintf+0xe8f/0xed0 [ 619.693534][T19407] ? snprintf+0x6f/0x90 [ 619.697727][T19407] ? register_shrinker_prepared+0xc2/0xd0 [ 619.703445][T19407] ? set_blocksize+0x197/0x270 [ 619.708321][T19407] mount_bdev+0x1e8/0x290 [ 619.712654][T19407] ? ext4_mount+0x40/0x40 [ 619.717106][T19407] ? ext4_errno_to_code+0x110/0x110 [ 619.722291][T19407] ext4_mount+0x2d/0x40 [ 619.726437][T19407] legacy_get_tree+0x70/0xc0 [ 619.731029][T19407] vfs_get_tree+0x4a/0x1a0 [ 619.735440][T19407] path_mount+0x11d4/0x1ce0 [ 619.739986][T19407] __se_sys_mount+0x23d/0x2e0 [ 619.744744][T19407] ? mntput+0x45/0x70 21:19:39 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000740000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 619.748719][T19407] __x64_sys_mount+0x63/0x70 [ 619.753389][T19407] do_syscall_64+0x3d/0x90 [ 619.757803][T19407] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 619.763686][T19407] RIP: 0033:0x467b0a [ 619.767563][T19407] 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 [ 619.787188][T19407] RSP: 002b:00007f4126cd6fa8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 [ 619.795652][T19407] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000467b0a [ 619.803644][T19407] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f4126cd7000 [ 619.811681][T19407] RBP: 00007f4126cd7040 R08: 00007f4126cd7040 R09: 0000000020000000 [ 619.812376][T19428] loop5: detected capacity change from 0 to 4 [ 619.819692][T19407] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000 [ 619.819706][T19407] R13: 0000000020000100 R14: 00007f4126cd7000 R15: 0000000020000040 [ 619.825250][T19427] loop0: detected capacity change from 0 to 512 [ 619.834034][T19428] EXT4-fs (loop5): Can't read superblock on 2nd try [ 619.847535][T19427] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 619.856810][T19430] loop4: detected capacity change from 0 to 4 [ 619.864343][T19427] EXT4-fs (loop0): group descriptors corrupted! [ 619.877285][T19430] EXT4-fs (loop4): Can't read superblock on 2nd try [ 619.890001][T19410] loop3: detected capacity change from 0 to 4 [ 619.890337][T19406] loop2: detected capacity change from 0 to 11 21:19:39 executing program 1 (fault-call:0 fault-nth:63): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 619.903684][T19410] EXT4-fs (loop3): Can't read superblock on 2nd try [ 619.915870][T19428] loop5: detected capacity change from 0 to 4 [ 619.915870][T19427] loop0: detected capacity change from 0 to 512 [ 619.916234][T19428] EXT4-fs (loop5): Can't read superblock on 2nd try [ 619.940313][T19427] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 619.946523][T19447] loop1: detected capacity change from 0 to 4 [ 619.950067][T19427] EXT4-fs (loop0): group descriptors corrupted! [ 619.958301][T19447] FAULT_INJECTION: forcing a failure. [ 619.958301][T19447] name failslab, interval 1, probability 0, space 0, times 0 [ 619.974906][T19447] CPU: 1 PID: 19447 Comm: syz-executor.1 Not tainted 5.14.0-rc4-syzkaller #0 [ 619.983661][T19447] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 619.993707][T19447] Call Trace: [ 619.996967][T19447] dump_stack_lvl+0xb7/0x103 [ 620.001536][T19447] dump_stack+0x11/0x1a [ 620.005666][T19447] should_fail+0x23c/0x250 [ 620.010072][T19447] __should_failslab+0x81/0x90 [ 620.014907][T19447] ? ext4_fill_super+0x62/0x7ff0 [ 620.019847][T19447] should_failslab+0x5/0x20 [ 620.024374][T19447] kmem_cache_alloc_trace+0x49/0x310 [ 620.029637][T19447] ext4_fill_super+0x62/0x7ff0 [ 620.034374][T19447] ? vsnprintf+0xe8f/0xed0 [ 620.038821][T19447] ? snprintf+0x6f/0x90 [ 620.042948][T19447] ? register_shrinker_prepared+0xc2/0xd0 [ 620.048711][T19447] ? set_blocksize+0x197/0x270 [ 620.053455][T19447] mount_bdev+0x1e8/0x290 [ 620.057769][T19447] ? ext4_mount+0x40/0x40 [ 620.062091][T19447] ? ext4_errno_to_code+0x110/0x110 [ 620.067272][T19447] ext4_mount+0x2d/0x40 [ 620.071401][T19447] legacy_get_tree+0x70/0xc0 [ 620.075975][T19447] vfs_get_tree+0x4a/0x1a0 [ 620.080371][T19447] path_mount+0x11d4/0x1ce0 [ 620.084853][T19447] __se_sys_mount+0x23d/0x2e0 [ 620.089506][T19447] ? mntput+0x45/0x70 [ 620.093528][T19447] __x64_sys_mount+0x63/0x70 [ 620.098092][T19447] do_syscall_64+0x3d/0x90 [ 620.102512][T19447] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 620.108464][T19447] RIP: 0033:0x467b0a [ 620.112332][T19447] 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 [ 620.131957][T19447] RSP: 002b:00007f4126cd6fa8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 [ 620.140393][T19447] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000467b0a [ 620.148347][T19447] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f4126cd7000 [ 620.156297][T19447] RBP: 00007f4126cd7040 R08: 00007f4126cd7040 R09: 0000000020000000 [ 620.164271][T19447] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000 [ 620.172236][T19447] R13: 0000000020000100 R14: 00007f4126cd7000 R15: 0000000020000040 21:19:39 executing program 2: r0 = openat$procfs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/timer_list\x00', 0x0, 0x0) preadv(r0, &(0x7f0000001580)=[{&(0x7f0000000240)=""/4096, 0x1000}], 0x1, 0xdb9, 0x0) r1 = openat(r0, &(0x7f0000000100)='./file0\x00', 0x80000, 0xa0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r1, 0x0) preadv(r1, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:19:39 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000700000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:39 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f027100000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:39 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000050f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 620.200988][T19430] loop4: detected capacity change from 0 to 4 [ 620.210735][T19430] EXT4-fs (loop4): Can't read superblock on 2nd try [ 620.235922][T19457] loop3: detected capacity change from 0 to 4 [ 620.243457][T19457] EXT4-fs (loop3): Can't read superblock on 2nd try 21:19:39 executing program 1 (fault-call:0 fault-nth:64): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 620.256650][T19463] loop0: detected capacity change from 0 to 512 [ 620.262528][T19462] loop5: detected capacity change from 0 to 4 [ 620.275968][T19462] EXT4-fs (loop5): Can't read superblock on 2nd try [ 620.283200][T19457] loop3: detected capacity change from 0 to 4 [ 620.291804][T19470] loop2: detected capacity change from 0 to 11 [ 620.300391][T19457] EXT4-fs (loop3): Can't read superblock on 2nd try 21:19:39 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f0000007a0000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 620.301224][T19470] FAT-fs (loop2): bogus number of reserved sectors [ 620.313536][T19470] FAT-fs (loop2): Can't find a valid FAT filesystem [ 620.321838][T19463] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 620.331566][T19463] EXT4-fs (loop0): group descriptors corrupted! [ 620.339246][T19477] loop1: detected capacity change from 0 to 4 [ 620.343132][T19462] loop5: detected capacity change from 0 to 4 [ 620.353949][T19477] FAULT_INJECTION: forcing a failure. [ 620.353949][T19477] name failslab, interval 1, probability 0, space 0, times 0 [ 620.358094][T19481] loop4: detected capacity change from 0 to 4 [ 620.366689][T19477] CPU: 1 PID: 19477 Comm: syz-executor.1 Not tainted 5.14.0-rc4-syzkaller #0 [ 620.381466][T19477] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 620.391530][T19477] Call Trace: [ 620.394858][T19477] dump_stack_lvl+0xb7/0x103 [ 620.399451][T19477] dump_stack+0x11/0x1a [ 620.403589][T19477] should_fail+0x23c/0x250 [ 620.408029][T19477] __should_failslab+0x81/0x90 [ 620.412856][T19477] ? ext4_fill_super+0x1f0/0x7ff0 [ 620.417863][T19477] should_failslab+0x5/0x20 [ 620.422353][T19477] kmem_cache_alloc_trace+0x49/0x310 [ 620.427626][T19477] ? ext4_fill_super+0x62/0x7ff0 [ 620.432564][T19477] ext4_fill_super+0x1f0/0x7ff0 [ 620.437396][T19477] ? vsnprintf+0xe8f/0xed0 [ 620.441799][T19477] ? register_shrinker_prepared+0xc2/0xd0 [ 620.447528][T19477] ? set_blocksize+0x197/0x270 [ 620.452277][T19477] mount_bdev+0x1e8/0x290 [ 620.456676][T19477] ? ext4_mount+0x40/0x40 [ 620.460999][T19477] ? ext4_errno_to_code+0x110/0x110 [ 620.466181][T19477] ext4_mount+0x2d/0x40 [ 620.470317][T19477] legacy_get_tree+0x70/0xc0 [ 620.474890][T19477] vfs_get_tree+0x4a/0x1a0 [ 620.479395][T19477] path_mount+0x11d4/0x1ce0 [ 620.483982][T19477] __se_sys_mount+0x23d/0x2e0 [ 620.488640][T19477] ? mntput+0x45/0x70 [ 620.492621][T19477] __x64_sys_mount+0x63/0x70 [ 620.497194][T19477] do_syscall_64+0x3d/0x90 [ 620.501625][T19477] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 620.507507][T19477] RIP: 0033:0x467b0a [ 620.511385][T19477] 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 [ 620.531023][T19477] RSP: 002b:00007f4126cd6fa8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 [ 620.539437][T19477] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000467b0a [ 620.547388][T19477] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f4126cd7000 [ 620.555342][T19477] RBP: 00007f4126cd7040 R08: 00007f4126cd7040 R09: 0000000020000000 [ 620.563296][T19477] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000 [ 620.571252][T19477] R13: 0000000020000100 R14: 00007f4126cd7000 R15: 0000000020000040 [ 620.583092][T19462] EXT4-fs (loop5): Can't read superblock on 2nd try [ 620.589976][T19481] EXT4-fs (loop4): Can't read superblock on 2nd try [ 620.595215][T19470] loop2: detected capacity change from 0 to 11 21:19:39 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f027200000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:39 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000900000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:39 executing program 1 (fault-call:0 fault-nth:65): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:39 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) r1 = socket$unix(0x1, 0x5, 0x0) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, &(0x7f0000cab000)=0xc) setreuid(0x0, r2) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000040), 0x8, &(0x7f0000000240)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r0}, 0x2c, {[{@fscache}, {@access_uid={'access', 0x3d, r2}}, {@access_client}, {@version_u}, {@privport}], [{@measure}, {@pcr={'pcr', 0x3d, 0x10}}]}}) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 620.621138][T19463] loop0: detected capacity change from 0 to 512 [ 620.636432][T19463] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 620.646192][T19463] EXT4-fs (loop0): group descriptors corrupted! [ 620.653607][T19481] loop4: detected capacity change from 0 to 4 [ 620.661088][T19481] EXT4-fs (loop4): Can't read superblock on 2nd try [ 620.685433][T19501] loop3: detected capacity change from 0 to 4 [ 620.686120][T19503] loop1: detected capacity change from 0 to 4 [ 620.703304][T19501] EXT4-fs (loop3): Can't read superblock on 2nd try [ 620.705221][T19507] loop5: detected capacity change from 0 to 4 [ 620.717125][T19503] FAULT_INJECTION: forcing a failure. [ 620.717125][T19503] name failslab, interval 1, probability 0, space 0, times 0 [ 620.729759][T19503] CPU: 1 PID: 19503 Comm: syz-executor.1 Not tainted 5.14.0-rc4-syzkaller #0 [ 620.735547][T19507] EXT4-fs (loop5): Can't read superblock on 2nd try [ 620.738518][T19503] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 620.738530][T19503] Call Trace: [ 620.738537][T19503] dump_stack_lvl+0xb7/0x103 [ 620.763050][T19503] dump_stack+0x11/0x1a [ 620.767367][T19503] should_fail+0x23c/0x250 [ 620.771816][T19503] ? mempool_alloc_slab+0x16/0x20 [ 620.776854][T19503] __should_failslab+0x81/0x90 [ 620.781667][T19503] should_failslab+0x5/0x20 [ 620.786151][T19503] kmem_cache_alloc+0x46/0x2e0 [ 620.790895][T19503] ? workingset_activation+0x236/0x270 [ 620.796335][T19503] mempool_alloc_slab+0x16/0x20 [ 620.801228][T19503] ? mempool_free+0x130/0x130 [ 620.805883][T19503] mempool_alloc+0x8c/0x300 [ 620.810442][T19503] ? pagecache_get_page+0x7a3/0x900 [ 620.815646][T19503] bio_alloc_bioset+0xcc/0x480 [ 620.820414][T19503] ? __find_get_block+0x82c/0x900 [ 620.825440][T19503] submit_bh_wbc+0x130/0x330 [ 620.830012][T19503] ? __getblk_gfp+0x4d3/0x590 [ 620.834674][T19503] submit_bh+0x21/0x30 [ 620.838734][T19503] ? __wait_on_buffer+0x60/0x60 [ 620.843575][T19503] ext4_read_bh+0xf1/0x170 [ 620.848025][T19503] ext4_sb_bread_unmovable+0xf7/0x1a0 [ 620.853385][T19503] ext4_fill_super+0x427/0x7ff0 [ 620.858272][T19503] ? vsnprintf+0xe8f/0xed0 [ 620.862747][T19503] ? register_shrinker_prepared+0xc2/0xd0 [ 620.868515][T19503] ? set_blocksize+0x197/0x270 [ 620.873359][T19503] mount_bdev+0x1e8/0x290 [ 620.877811][T19503] ? ext4_mount+0x40/0x40 [ 620.882164][T19503] ? ext4_errno_to_code+0x110/0x110 [ 620.887340][T19503] ext4_mount+0x2d/0x40 [ 620.891535][T19503] legacy_get_tree+0x70/0xc0 [ 620.896196][T19503] vfs_get_tree+0x4a/0x1a0 [ 620.900709][T19503] path_mount+0x11d4/0x1ce0 [ 620.905191][T19503] __se_sys_mount+0x23d/0x2e0 [ 620.909848][T19503] ? mntput+0x45/0x70 [ 620.913832][T19503] __x64_sys_mount+0x63/0x70 [ 620.918401][T19503] do_syscall_64+0x3d/0x90 [ 620.922805][T19503] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 620.928739][T19503] RIP: 0033:0x467b0a [ 620.932659][T19503] 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 [ 620.952258][T19503] RSP: 002b:00007f4126cd6fa8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 [ 620.960663][T19503] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000467b0a [ 620.968625][T19503] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f4126cd7000 [ 620.976584][T19503] RBP: 00007f4126cd7040 R08: 00007f4126cd7040 R09: 0000000020000000 21:19:40 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000a00000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:40 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000fffffff850000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 620.984534][T19503] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000 [ 620.992501][T19503] R13: 0000000020000100 R14: 00007f4126cd7000 R15: 0000000020000040 21:19:40 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000060f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 621.032070][T19503] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 621.038382][T19518] loop4: detected capacity change from 0 to 4 [ 621.050579][T19507] loop5: detected capacity change from 0 to 4 [ 621.056938][T19517] loop3: detected capacity change from 0 to 4 [ 621.063623][T19518] EXT4-fs (loop4): Can't read superblock on 2nd try [ 621.070920][T19507] EXT4-fs (loop5): Can't read superblock on 2nd try 21:19:40 executing program 1 (fault-call:0 fault-nth:66): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 621.079942][T19525] loop2: detected capacity change from 0 to 11 [ 621.082630][T19527] loop0: detected capacity change from 0 to 512 [ 621.092615][T19517] EXT4-fs (loop3): Can't read superblock on 2nd try [ 621.110376][T19527] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 621.110622][T19518] loop4: detected capacity change from 0 to 4 [ 621.120152][T19527] EXT4-fs (loop0): group descriptors corrupted! 21:19:40 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f027300000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 621.146811][T19536] loop1: detected capacity change from 0 to 4 [ 621.154707][T19525] FAT-fs (loop2): bogus number of reserved sectors [ 621.161274][T19525] FAT-fs (loop2): Can't find a valid FAT filesystem [ 621.164480][T19540] loop5: detected capacity change from 0 to 4 [ 621.171191][T19536] FAULT_INJECTION: forcing a failure. [ 621.171191][T19536] name failslab, interval 1, probability 0, space 0, times 0 [ 621.186641][T19536] CPU: 1 PID: 19536 Comm: syz-executor.1 Not tainted 5.14.0-rc4-syzkaller #0 [ 621.187216][T19540] EXT4-fs (loop5): Can't read superblock on 2nd try [ 621.195433][T19536] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 621.212064][T19536] Call Trace: [ 621.215329][T19536] dump_stack_lvl+0xb7/0x103 [ 621.219918][T19536] dump_stack+0x11/0x1a [ 621.220554][T19518] EXT4-fs (loop4): Can't read superblock on 2nd try [ 621.224066][T19536] should_fail+0x23c/0x250 [ 621.224089][T19536] __should_failslab+0x81/0x90 [ 621.239876][T19536] should_failslab+0x5/0x20 21:19:40 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000fffffff8c0000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 621.244379][T19536] kmem_cache_alloc_node+0x58/0x2b0 [ 621.249595][T19536] ? create_task_io_context+0x36/0x210 [ 621.255125][T19536] ? __mod_memcg_lruvec_state+0xa7/0x190 [ 621.260757][T19536] create_task_io_context+0x36/0x210 [ 621.266075][T19536] submit_bio_checks+0x778/0x800 [ 621.271109][T19536] ? mempool_alloc_slab+0x16/0x20 [ 621.276150][T19536] submit_bio_noacct+0x33/0x7e0 [ 621.280993][T19536] submit_bio+0x10c/0x190 [ 621.285369][T19536] submit_bh_wbc+0x2f3/0x330 [ 621.289957][T19536] submit_bh+0x21/0x30 [ 621.294028][T19536] ? __wait_on_buffer+0x60/0x60 [ 621.298894][T19536] ext4_read_bh+0xf1/0x170 [ 621.303286][T19536] ext4_sb_bread_unmovable+0xf7/0x1a0 [ 621.308689][T19536] ext4_fill_super+0x427/0x7ff0 [ 621.313519][T19536] ? vsnprintf+0xe8f/0xed0 [ 621.317915][T19536] ? register_shrinker_prepared+0xc2/0xd0 [ 621.323680][T19536] ? set_blocksize+0x197/0x270 [ 621.328459][T19536] mount_bdev+0x1e8/0x290 [ 621.332766][T19536] ? ext4_mount+0x40/0x40 [ 621.337153][T19536] ? ext4_errno_to_code+0x110/0x110 [ 621.342328][T19536] ext4_mount+0x2d/0x40 [ 621.346459][T19536] legacy_get_tree+0x70/0xc0 [ 621.351026][T19536] vfs_get_tree+0x4a/0x1a0 [ 621.355419][T19536] path_mount+0x11d4/0x1ce0 [ 621.359987][T19536] __se_sys_mount+0x23d/0x2e0 [ 621.364652][T19536] ? mntput+0x45/0x70 [ 621.368629][T19536] __x64_sys_mount+0x63/0x70 [ 621.373303][T19536] do_syscall_64+0x3d/0x90 [ 621.377710][T19536] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 621.383585][T19536] RIP: 0033:0x467b0a [ 621.387471][T19536] 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 [ 621.407098][T19536] RSP: 002b:00007f4126cd6fa8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 [ 621.415493][T19536] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000467b0a [ 621.423462][T19536] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f4126cd7000 [ 621.431424][T19536] RBP: 00007f4126cd7040 R08: 00007f4126cd7040 R09: 0000000020000000 [ 621.439400][T19536] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000 [ 621.447388][T19536] R13: 0000000020000100 R14: 00007f4126cd7000 R15: 0000000020000040 [ 621.463165][T19536] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 621.488703][T19525] loop2: detected capacity change from 0 to 2176 [ 621.489018][T19540] loop5: detected capacity change from 0 to 4 [ 621.495296][T19517] loop3: detected capacity change from 0 to 4 [ 621.501930][T19527] loop0: detected capacity change from 0 to 512 [ 621.516343][T19517] EXT4-fs (loop3): Can't read superblock on 2nd try 21:19:40 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f007400000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:40 executing program 1 (fault-call:0 fault-nth:67): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:40 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x10200, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) pipe2$9p(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x4000) fallocate(r1, 0x60, 0x2, 0x5) lseek(r2, 0x2, 0x3) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 621.535501][T19527] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 621.535568][T19540] EXT4-fs (loop5): Can't read superblock on 2nd try [ 621.545281][T19527] EXT4-fs (loop0): group descriptors corrupted! [ 621.558271][T19557] loop4: detected capacity change from 0 to 4 21:19:40 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000b00000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 621.603605][T19557] EXT4-fs (loop4): Can't read superblock on 2nd try [ 621.626235][T19567] loop5: detected capacity change from 0 to 4 [ 621.631988][T19570] loop1: detected capacity change from 0 to 4 [ 621.640278][T19571] loop3: detected capacity change from 0 to 4 [ 621.647865][T19570] FAULT_INJECTION: forcing a failure. [ 621.647865][T19570] name failslab, interval 1, probability 0, space 0, times 0 [ 621.660483][T19570] CPU: 0 PID: 19570 Comm: syz-executor.1 Not tainted 5.14.0-rc4-syzkaller #0 [ 621.662682][T19567] EXT4-fs (loop5): Can't read superblock on 2nd try [ 621.669266][T19570] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 621.669277][T19570] Call Trace: [ 621.669284][T19570] dump_stack_lvl+0xb7/0x103 [ 621.679734][T19571] EXT4-fs (loop3): Can't read superblock on 2nd try [ 621.685922][T19570] dump_stack+0x11/0x1a [ 621.685943][T19570] should_fail+0x23c/0x250 [ 621.708839][T19570] __should_failslab+0x81/0x90 [ 621.713584][T19570] should_failslab+0x5/0x20 [ 621.718064][T19570] kmem_cache_alloc_node_trace+0x58/0x2e0 [ 621.723893][T19570] ? __crypto_alg_lookup+0x36d/0x3a0 [ 621.729157][T19570] ? __kmalloc_node+0x30/0x40 [ 621.733863][T19570] __kmalloc_node+0x30/0x40 [ 621.738347][T19570] crypto_create_tfm_node+0x4a/0x1f0 [ 621.743628][T19570] ? crypto_alg_mod_lookup+0x397/0x4e0 [ 621.749069][T19570] crypto_alloc_tfm_node+0x100/0x290 [ 621.754375][T19570] crypto_alloc_shash+0x2b/0x30 [ 621.759208][T19570] ext4_fill_super+0x62c/0x7ff0 [ 621.764134][T19570] ? vsnprintf+0xe8f/0xed0 [ 621.768629][T19570] ? register_shrinker_prepared+0xc2/0xd0 [ 621.774377][T19570] ? set_blocksize+0x197/0x270 [ 621.779138][T19570] mount_bdev+0x1e8/0x290 [ 621.783449][T19570] ? ext4_mount+0x40/0x40 [ 621.787784][T19570] ? ext4_errno_to_code+0x110/0x110 [ 621.792962][T19570] ext4_mount+0x2d/0x40 [ 621.797152][T19570] legacy_get_tree+0x70/0xc0 [ 621.801858][T19570] vfs_get_tree+0x4a/0x1a0 [ 621.806263][T19570] path_mount+0x11d4/0x1ce0 [ 621.810959][T19570] __se_sys_mount+0x23d/0x2e0 [ 621.815651][T19570] ? mntput+0x45/0x70 [ 621.819614][T19570] __x64_sys_mount+0x63/0x70 [ 621.824183][T19570] do_syscall_64+0x3d/0x90 [ 621.828577][T19570] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 621.834520][T19570] RIP: 0033:0x467b0a [ 621.838400][T19570] 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 [ 621.858048][T19570] RSP: 002b:00007f4126cd6fa8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 [ 621.866450][T19570] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000467b0a [ 621.874405][T19570] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f4126cd7000 [ 621.882361][T19570] RBP: 00007f4126cd7040 R08: 00007f4126cd7040 R09: 0000000020000000 [ 621.890313][T19570] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000 21:19:41 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f0000018e0000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:41 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300004060f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 621.898335][T19570] R13: 0000000020000100 R14: 00007f4126cd7000 R15: 0000000020000040 [ 621.906365][T19570] EXT4-fs (loop1): Cannot load crc32c driver. [ 621.933371][T19567] loop5: detected capacity change from 0 to 4 [ 621.942250][T19571] loop3: detected capacity change from 0 to 4 [ 621.947216][T19583] loop2: detected capacity change from 0 to 11 [ 621.956564][T19567] EXT4-fs (loop5): Can't read superblock on 2nd try [ 621.963680][T19571] EXT4-fs (loop3): Can't read superblock on 2nd try [ 621.964897][T19583] FAT-fs (loop2): bogus number of reserved sectors [ 621.976773][T19583] FAT-fs (loop2): Can't find a valid FAT filesystem [ 621.984852][T19586] loop4: detected capacity change from 0 to 4 21:19:41 executing program 1 (fault-call:0 fault-nth:68): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 622.005196][T19586] EXT4-fs (loop4): Can't read superblock on 2nd try [ 622.012358][T19593] loop0: detected capacity change from 0 to 512 [ 622.017038][T19596] loop1: detected capacity change from 0 to 4 [ 622.024906][T19593] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 622.034639][T19596] FAULT_INJECTION: forcing a failure. [ 622.034639][T19596] name failslab, interval 1, probability 0, space 0, times 0 [ 622.034659][T19596] CPU: 1 PID: 19596 Comm: syz-executor.1 Not tainted 5.14.0-rc4-syzkaller #0 [ 622.034678][T19596] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 622.034688][T19596] Call Trace: [ 622.047250][T19593] EXT4-fs (loop0): group descriptors corrupted! [ 622.055996][T19596] dump_stack_lvl+0xb7/0x103 [ 622.056018][T19596] dump_stack+0x11/0x1a [ 622.056033][T19596] should_fail+0x23c/0x250 [ 622.088609][T19596] ? mempool_alloc_slab+0x16/0x20 [ 622.093625][T19596] __should_failslab+0x81/0x90 [ 622.098372][T19596] should_failslab+0x5/0x20 [ 622.102857][T19596] kmem_cache_alloc+0x46/0x2e0 [ 622.107628][T19596] ? workingset_activation+0x236/0x270 [ 622.113138][T19596] mempool_alloc_slab+0x16/0x20 [ 622.117977][T19596] ? mempool_free+0x130/0x130 [ 622.122664][T19596] mempool_alloc+0x8c/0x300 [ 622.127218][T19596] ? pagecache_get_page+0x7a3/0x900 [ 622.132514][T19596] bio_alloc_bioset+0xcc/0x480 [ 622.137323][T19596] ? __find_get_block+0x82c/0x900 [ 622.142367][T19596] submit_bh_wbc+0x130/0x330 [ 622.146942][T19596] ? __getblk_gfp+0x4d3/0x590 [ 622.151663][T19596] submit_bh+0x21/0x30 [ 622.155743][T19596] ? __wait_on_buffer+0x60/0x60 [ 622.160578][T19596] ext4_read_bh+0xf1/0x170 [ 622.164979][T19596] ext4_sb_bread_unmovable+0xf7/0x1a0 [ 622.170335][T19596] ext4_fill_super+0x226d/0x7ff0 [ 622.175252][T19596] ? register_shrinker_prepared+0xc2/0xd0 [ 622.181083][T19596] ? set_blocksize+0x197/0x270 [ 622.185900][T19596] mount_bdev+0x1e8/0x290 [ 622.190242][T19596] ? ext4_mount+0x40/0x40 [ 622.194552][T19596] ? ext4_errno_to_code+0x110/0x110 [ 622.199739][T19596] ext4_mount+0x2d/0x40 [ 622.203963][T19596] legacy_get_tree+0x70/0xc0 [ 622.208533][T19596] vfs_get_tree+0x4a/0x1a0 [ 622.212935][T19596] path_mount+0x11d4/0x1ce0 [ 622.217437][T19596] __se_sys_mount+0x23d/0x2e0 [ 622.222162][T19596] ? mntput+0x45/0x70 [ 622.226124][T19596] __x64_sys_mount+0x63/0x70 [ 622.230697][T19596] do_syscall_64+0x3d/0x90 [ 622.235106][T19596] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 622.241047][T19596] RIP: 0033:0x467b0a [ 622.244921][T19596] 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 [ 622.264519][T19596] RSP: 002b:00007f4126cd6fa8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 [ 622.272922][T19596] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000467b0a [ 622.280894][T19596] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f4126cd7000 [ 622.288850][T19596] RBP: 00007f4126cd7040 R08: 00007f4126cd7040 R09: 0000000020000000 [ 622.296820][T19596] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000 21:19:41 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000c00000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:41 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f007a00000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 622.304774][T19596] R13: 0000000020000100 R14: 00007f4126cd7000 R15: 0000000020000040 [ 622.324543][T19586] loop4: detected capacity change from 0 to 4 [ 622.331016][T19583] loop2: detected capacity change from 0 to 11 [ 622.341858][T19586] EXT4-fs (loop4): Can't read superblock on 2nd try 21:19:41 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f0000018f0000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 622.372937][T19593] loop0: detected capacity change from 0 to 512 [ 622.381107][T19593] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 622.390843][T19593] EXT4-fs (loop0): group descriptors corrupted! [ 622.391866][T19614] loop3: detected capacity change from 0 to 4 21:19:41 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f0000000080), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000040)={[{@fat=@time_offset={'time_offset', 0x3d, 0xfffffffffffffe72}}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) open(&(0x7f0000000000)='./file0\x00', 0x40c1, 0x1d1) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 622.427561][T19614] EXT4-fs (loop3): Can't read superblock on 2nd try [ 622.439184][T19617] loop5: detected capacity change from 0 to 4 [ 622.451579][T19622] loop4: detected capacity change from 0 to 4 [ 622.461543][T19614] loop3: detected capacity change from 0 to 4 [ 622.468969][T19617] EXT4-fs (loop5): Can't read superblock on 2nd try 21:19:41 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000070f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 622.469038][T19614] EXT4-fs (loop3): Can't read superblock on 2nd try [ 622.490549][T19622] EXT4-fs (loop4): Can't read superblock on 2nd try 21:19:41 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000001920000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:41 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000d00000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 622.539117][T19633] loop2: detected capacity change from 0 to 11 [ 622.572680][T19639] loop0: detected capacity change from 0 to 512 [ 622.582475][T19641] loop4: detected capacity change from 0 to 4 [ 622.590743][T19617] loop5: detected capacity change from 0 to 4 [ 622.591355][T19633] FAT-fs (loop2): bogus number of reserved sectors [ 622.603351][T19633] FAT-fs (loop2): Can't find a valid FAT filesystem [ 622.609987][T19617] EXT4-fs (loop5): Can't read superblock on 2nd try [ 622.630186][T19639] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 622.639921][T19639] EXT4-fs (loop0): group descriptors corrupted! [ 622.646087][T19649] loop3: detected capacity change from 0 to 4 [ 622.653954][T19641] EXT4-fs (loop4): Can't read superblock on 2nd try [ 622.674107][T19649] EXT4-fs (loop3): Can't read superblock on 2nd try [ 622.683911][T19596] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 622.703084][T19641] loop4: detected capacity change from 0 to 4 [ 622.709566][T19639] loop0: detected capacity change from 0 to 512 [ 622.720919][T19633] loop2: detected capacity change from 0 to 2176 [ 622.730834][T19649] loop3: detected capacity change from 0 to 4 21:19:42 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f018c00000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:42 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) pipe2$9p(&(0x7f0000000080)={0xffffffffffffffff}, 0x800) r2 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f00000000c0), 0x40, 0x0) ioctl$BTRFS_IOC_ADD_DEV(r1, 0x5000940a, &(0x7f0000000440)={{r2}, "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"}) rename(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file1\x00') syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:19:42 executing program 1 (fault-call:0 fault-nth:69): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 622.737186][T19639] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 622.746960][T19639] EXT4-fs (loop0): group descriptors corrupted! [ 622.754084][T19641] EXT4-fs (loop4): Can't read superblock on 2nd try [ 622.775027][T19649] EXT4-fs (loop3): Can't read superblock on 2nd try 21:19:42 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000090f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:19:42 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000fffffff970000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 622.811050][T19670] loop5: detected capacity change from 0 to 4 [ 622.828911][T19675] loop1: detected capacity change from 0 to 4 21:19:42 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000e00000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 622.858709][T19670] EXT4-fs (loop5): Can't read superblock on 2nd try [ 622.869228][T19681] loop2: detected capacity change from 0 to 11 [ 622.882990][T19675] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 622.888915][T19682] loop0: detected capacity change from 0 to 512 [ 622.905645][T19681] FAT-fs (loop2): bogus number of reserved sectors [ 622.912217][T19681] FAT-fs (loop2): Can't find a valid FAT filesystem [ 622.921167][T19689] loop4: detected capacity change from 0 to 4 [ 622.933035][T19682] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 622.942846][T19682] EXT4-fs (loop0): group descriptors corrupted! [ 622.950169][T19675] FAULT_INJECTION: forcing a failure. [ 622.950169][T19675] name failslab, interval 1, probability 0, space 0, times 0 [ 622.962829][T19675] CPU: 0 PID: 19675 Comm: syz-executor.1 Not tainted 5.14.0-rc4-syzkaller #0 [ 622.967302][T19689] EXT4-fs (loop4): Can't read superblock on 2nd try [ 622.971579][T19675] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 622.971592][T19675] Call Trace: [ 622.971598][T19675] dump_stack_lvl+0xb7/0x103 [ 622.996091][T19675] dump_stack+0x11/0x1a [ 623.000292][T19675] should_fail+0x23c/0x250 [ 623.004715][T19675] __should_failslab+0x81/0x90 [ 623.009441][T19670] loop5: detected capacity change from 0 to 4 [ 623.009475][T19675] ? kobject_uevent_env+0x1a7/0xc40 [ 623.020707][T19675] should_failslab+0x5/0x20 [ 623.025399][T19675] kmem_cache_alloc_trace+0x49/0x310 [ 623.030772][T19675] ? rb_erase+0x4bb/0x750 [ 623.032455][T19670] EXT4-fs (loop5): Can't read superblock on 2nd try [ 623.035103][T19675] ? kernfs_put+0x39/0x300 [ 623.043500][T19694] loop3: detected capacity change from 0 to 4 [ 623.046074][T19675] ? dev_uevent_filter+0x70/0x70 [ 623.057104][T19675] kobject_uevent_env+0x1a7/0xc40 [ 623.062138][T19675] ? __kernfs_remove+0x678/0x6a0 [ 623.067079][T19675] ? kernfs_find_ns+0x30d/0x320 [ 623.071251][T19694] EXT4-fs (loop3): Can't read superblock on 2nd try [ 623.071933][T19675] ? kernfs_put+0x39/0x300 [ 623.082909][T19675] kobject_uevent+0x18/0x20 [ 623.087411][T19675] __loop_clr_fd+0x6ae/0x8f0 [ 623.090923][T19681] loop2: detected capacity change from 0 to 11 [ 623.092003][T19675] ? __filemap_fdatawait_range+0x17c/0x1b0 [ 623.092099][T19675] lo_ioctl+0xa48/0x1340 [ 623.106054][T19681] FAT-fs (loop2): bogus number of reserved sectors [ 623.108228][T19675] ? rcu_segcblist_enqueue+0x8e/0xa0 [ 623.108250][T19675] ? call_rcu+0x259/0x6c0 [ 623.114754][T19681] FAT-fs (loop2): Can't find a valid FAT filesystem [ 623.120003][T19675] ? avc_has_extended_perms+0x5d8/0x7b0 [ 623.136377][T19675] ? kfree+0xf0/0x1d0 [ 623.140387][T19675] ? blkdev_common_ioctl+0x9c3/0x1040 [ 623.146011][T19675] ? selinux_file_ioctl+0x8e0/0x970 [ 623.151266][T19675] ? lo_release+0x120/0x120 [ 623.155809][T19675] blkdev_ioctl+0x1d0/0x3c0 [ 623.160323][T19675] block_ioctl+0x6d/0x80 [ 623.164612][T19675] ? blkdev_iopoll+0x70/0x70 [ 623.169187][T19675] __se_sys_ioctl+0xcb/0x140 [ 623.173798][T19675] __x64_sys_ioctl+0x3f/0x50 [ 623.178401][T19675] do_syscall_64+0x3d/0x90 [ 623.182801][T19675] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 623.188798][T19675] RIP: 0033:0x4663a7 [ 623.192669][T19675] 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 [ 623.212254][T19675] RSP: 002b:00007f4126cd6fa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 623.220658][T19675] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00000000004663a7 [ 623.228615][T19675] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000005 [ 623.236562][T19675] RBP: 00007f4126cd76bc R08: 00007f4126cd7040 R09: 0000000020000000 [ 623.244562][T19675] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 623.252520][T19675] R13: 0000000000000016 R14: 00007f4126cd7000 R15: 0000000020000040 21:19:42 executing program 1 (fault-call:0 fault-nth:70): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:42 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f018d00000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:42 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='uid=', @ANYRESHEX=0x0, @ANYBLOB="03006f646f74732c00fc004f39c06631"]) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) chdir(&(0x7f0000000040)='./file0\x00') preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) r1 = socket$unix(0x1, 0x5, 0x0) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, &(0x7f0000cab000)=0xc) setreuid(0x0, r2) syz_mount_image$vfat(&(0x7f0000000080), &(0x7f00000000c0)='./file0\x00', 0x7, 0x7, &(0x7f0000000600)=[{&(0x7f0000000140)="3ba0a67f6de8d61eb0211592941e1953cb8c72b2f95fe2771f63a5168889af6fa3523ceb1ed2", 0x26, 0x101}, {&(0x7f0000000240)="e069b710786e655a67b04e8cf05a337e33af37459a83636e4e446d206512a6b20f5bac9a7ff610d11a0d536abc29f75ca4c21de24b89503a922037faed35582c9fe0e89ce24e06a08429f49c365075d1c85b35551776c024d2ba6100279526aa2632b25c6fd43c73c173bfc669291c281c11eba958f92f27c8e9d2cdf9f4df1a6fcfd2461e6e7925d377b50314c8d2b7f9aaa6ae1386c7", 0x97, 0xc2}, {&(0x7f0000000300)="9dc833388c00980fec5631d2cd608e907d99c75fad42ac2ca94ab2bae5c183a394e2c4767b48de633ef85df57e96baba9fefdf8eb3bc861018f2de417359c10e7685cc5168176beefcc119b650079fedb8dff1eb03481a9846db36f9617234b5b7f6417bdc157323ef7681a130804749e6af49c3", 0x74, 0x8000}, {&(0x7f00000003c0)="41a3c44318b46a047dbc71cc7251af88918bfe834ab1ab9248c1e8f284c1279245e0d6cc48faca44d6db03dc64a2e1a5dfb53597c31cfc9c1f16b7f0529c19b60be8dfac67b601196e0bc9208ac318c6b81ffbde18a08ea7a732c0513c442199932a8c1a60c768b75c888bb493086ec689f00f75bc9d352ad9bc1e3af4134c9244c53ac247e47cd38ceed50c9d9116d6fe316874ac169c2742e354c68f2bca205c2be61f60a521f3147a6c3c1a0d3112ffa320", 0xb3, 0x3}, {&(0x7f0000000480)="8d3bd6ed407ee3d9a1d3cf83ca1750ec194afb75339248578c73127e9acff6a08fd51cc3231605407486460f02e54b0116989614f66092c969cff4a7adc51022ec9affe397bffdb4a96feea132618cdb00cf24aec4ad6c4dc9ffe3be33d7ed54da22ee88e443a7abdfca10bc64a5f22a3808562ad8b01cf54f7a1e84e6e816d7ed49037c29fbcb", 0x87, 0xfffffffffffffff7}, {&(0x7f0000000180)='z~', 0x2, 0x7}, {&(0x7f0000000540)="1b8fe4ad50857ddc590d8eaa282b6c6b2f578ab22085b7784dcda5a6004a90f0cf4e374213f107971bacec8ef6a31fb690f05e588083307a41472e91499c07168e96f89cfcf393b1c1906d9eb9abfca8589b2709867164b6a4c8865594f43c8548f70a09fd1a233b42560fe80626f21913ef386a7ac6c1535b04f1d90109519ad24c797e9751de7048", 0x89, 0x9}], 0x808, &(0x7f00000006c0)={[{@utf8no}, {@utf8no}, {@shortname_win95}, {@uni_xlateno}, {@uni_xlateno}, {@nonumtail}, {@uni_xlateno}], [{@uid_gt={'uid>', r2}}, {@appraise_type}, {@uid_gt={'uid>', 0xee00}}, {@fsmagic={'fsmagic', 0x3d, 0x3}}]}) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 623.283659][T19694] loop3: detected capacity change from 0 to 4 [ 623.288311][T19710] loop1: detected capacity change from 0 to 4 [ 623.289916][T19689] loop4: detected capacity change from 0 to 4 [ 623.302565][T19682] loop0: detected capacity change from 0 to 512 [ 623.310544][T19710] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 623.319053][T19694] EXT4-fs (loop3): Can't read superblock on 2nd try [ 623.326970][T19682] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 623.336786][T19682] EXT4-fs (loop0): group descriptors corrupted! [ 623.342191][T19717] loop2: detected capacity change from 0 to 11 [ 623.353324][T19710] FAULT_INJECTION: forcing a failure. [ 623.353324][T19710] name failslab, interval 1, probability 0, space 0, times 0 [ 623.358714][T19722] loop5: detected capacity change from 0 to 4 [ 623.365930][T19710] CPU: 0 PID: 19710 Comm: syz-executor.1 Not tainted 5.14.0-rc4-syzkaller #0 [ 623.365948][T19710] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 623.365957][T19710] Call Trace: [ 623.365963][T19710] dump_stack_lvl+0xb7/0x103 [ 623.374343][T19722] EXT4-fs (loop5): Can't read superblock on 2nd try [ 623.380770][T19710] dump_stack+0x11/0x1a [ 623.380791][T19710] should_fail+0x23c/0x250 [ 623.394811][T19689] EXT4-fs (loop4): Can't read superblock on 2nd try [ 623.398639][T19710] ? kzalloc+0x1d/0x30 [ 623.418285][T19717] FAT-fs (loop2): Unrecognized mount option "uid=0x0000000000000000" or missing value 21:19:42 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000a0f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:19:42 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000f00000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 623.420337][T19710] __should_failslab+0x81/0x90 [ 623.420360][T19710] should_failslab+0x5/0x20 [ 623.443323][T19710] __kmalloc+0x66/0x340 [ 623.447479][T19710] kzalloc+0x1d/0x30 [ 623.451374][T19710] kobject_get_path+0x7c/0x110 [ 623.456137][T19710] kobject_uevent_env+0x1be/0xc40 [ 623.461160][T19710] ? kernfs_put+0x2e2/0x300 [ 623.465683][T19710] kobject_uevent+0x18/0x20 [ 623.470178][T19710] __loop_clr_fd+0x6ae/0x8f0 [ 623.474583][T19730] loop0: detected capacity change from 0 to 512 [ 623.474762][T19710] ? __filemap_fdatawait_range+0x17c/0x1b0 [ 623.483580][T19730] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 623.486777][T19710] lo_ioctl+0xa48/0x1340 [ 623.486799][T19710] ? rcu_segcblist_enqueue+0x8e/0xa0 [ 623.486817][T19710] ? call_rcu+0x259/0x6c0 [ 623.486835][T19710] ? avc_has_extended_perms+0x5d8/0x7b0 [ 623.496543][T19730] EXT4-fs (loop0): group descriptors corrupted! [ 623.500743][T19710] ? kfree+0xf0/0x1d0 [ 623.500765][T19710] ? blkdev_common_ioctl+0x9c3/0x1040 [ 623.515518][T19732] loop3: detected capacity change from 0 to 4 [ 623.515871][T19710] ? selinux_file_ioctl+0x8e0/0x970 [ 623.515894][T19710] ? lo_release+0x120/0x120 [ 623.524572][T19732] EXT4-fs (loop3): Can't read superblock on 2nd try [ 623.526084][T19710] blkdev_ioctl+0x1d0/0x3c0 [ 623.558175][T19710] block_ioctl+0x6d/0x80 [ 623.562462][T19710] ? blkdev_iopoll+0x70/0x70 [ 623.567100][T19710] __se_sys_ioctl+0xcb/0x140 [ 623.571699][T19710] __x64_sys_ioctl+0x3f/0x50 [ 623.576296][T19710] do_syscall_64+0x3d/0x90 [ 623.580695][T19710] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 623.586590][T19710] RIP: 0033:0x4663a7 [ 623.590514][T19710] 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 [ 623.610099][T19710] RSP: 002b:00007f4126cd6fa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 623.618518][T19710] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00000000004663a7 [ 623.626475][T19710] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000005 [ 623.634456][T19710] RBP: 00007f4126cd76bc R08: 00007f4126cd7040 R09: 0000000020000000 [ 623.642423][T19710] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 623.650374][T19710] R13: 0000000000000016 R14: 00007f4126cd7000 R15: 0000000020000040 21:19:42 executing program 1 (fault-call:0 fault-nth:71): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:42 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f107a99b40000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 623.681998][T19722] loop5: detected capacity change from 0 to 4 [ 623.688796][T19722] EXT4-fs (loop5): Can't read superblock on 2nd try [ 623.689495][T19717] loop2: detected capacity change from 0 to 11 [ 623.703253][T19741] loop1: detected capacity change from 0 to 4 [ 623.714231][T19730] loop0: detected capacity change from 0 to 512 [ 623.714663][T19741] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 623.720737][T19732] loop3: detected capacity change from 0 to 4 [ 623.733144][T19730] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 623.741863][T19750] loop4: detected capacity change from 0 to 4 [ 623.744363][T19730] EXT4-fs (loop0): group descriptors corrupted! [ 623.756743][T19732] EXT4-fs (loop3): Can't read superblock on 2nd try [ 623.757011][T19750] EXT4-fs (loop4): Can't read superblock on 2nd try [ 623.770443][T19741] FAULT_INJECTION: forcing a failure. 21:19:43 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) mount$9p_fd(0x0, &(0x7f0000000040)='./file0/file0\x00', &(0x7f0000000080), 0x0, &(0x7f0000000240)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r0}, 0x2c, {[{@nodevmap}, {@access_user}, {@version_L}, {@noextend}, {@nodevmap}, {@msize={'msize', 0x3d, 0x8}}, {@afid={'afid', 0x3d, 0x3fc0000000}}, {@uname={'uname', 0x3d, 'uid'}}, {@debug={'debug', 0x3d, 0x18afb5180000000}}, {@fscache}]}}) open$dir(&(0x7f0000000000)='./file0\x00', 0x8a100, 0x84) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) mknod$loop(&(0x7f00000000c0)='./file0\x00', 0x400, 0x0) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:19:43 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f018e00000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 623.770443][T19741] name failslab, interval 1, probability 0, space 0, times 0 [ 623.783044][T19741] CPU: 0 PID: 19741 Comm: syz-executor.1 Not tainted 5.14.0-rc4-syzkaller #0 [ 623.791791][T19741] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 623.801847][T19741] Call Trace: [ 623.805214][T19741] dump_stack_lvl+0xb7/0x103 [ 623.809804][T19741] dump_stack+0x11/0x1a [ 623.811825][T19755] loop5: detected capacity change from 0 to 4 [ 623.813967][T19741] should_fail+0x23c/0x250 [ 623.824439][T19741] __should_failslab+0x81/0x90 [ 623.829184][T19741] should_failslab+0x5/0x20 [ 623.833712][T19741] kmem_cache_alloc_node+0x58/0x2b0 [ 623.838896][T19741] ? __alloc_skb+0xed/0x420 [ 623.843489][T19741] __alloc_skb+0xed/0x420 [ 623.847813][T19741] alloc_uevent_skb+0x5b/0x120 [ 623.852567][T19741] kobject_uevent_env+0x863/0xc40 [ 623.857619][T19741] ? kernfs_put+0x2e2/0x300 [ 623.862102][T19741] kobject_uevent+0x18/0x20 [ 623.866581][T19741] __loop_clr_fd+0x6ae/0x8f0 [ 623.871148][T19741] ? __filemap_fdatawait_range+0x17c/0x1b0 [ 623.876936][T19741] lo_ioctl+0xa48/0x1340 [ 623.881173][T19741] ? rcu_segcblist_enqueue+0x8e/0xa0 [ 623.886451][T19741] ? call_rcu+0x259/0x6c0 [ 623.890819][T19741] ? avc_has_extended_perms+0x5d8/0x7b0 [ 623.896364][T19741] ? kfree+0xf0/0x1d0 [ 623.900395][T19741] ? blkdev_common_ioctl+0x9c3/0x1040 [ 623.905785][T19741] ? selinux_file_ioctl+0x8e0/0x970 [ 623.911005][T19741] ? lo_release+0x120/0x120 [ 623.915492][T19741] blkdev_ioctl+0x1d0/0x3c0 [ 623.920080][T19741] block_ioctl+0x6d/0x80 [ 623.924307][T19741] ? blkdev_iopoll+0x70/0x70 [ 623.928947][T19741] __se_sys_ioctl+0xcb/0x140 [ 623.933511][T19741] __x64_sys_ioctl+0x3f/0x50 [ 623.938083][T19741] do_syscall_64+0x3d/0x90 [ 623.942482][T19741] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 623.948466][T19741] RIP: 0033:0x4663a7 [ 623.952337][T19741] 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 [ 623.971997][T19741] RSP: 002b:00007f4126cd6fa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 21:19:43 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000b0f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:19:43 executing program 1 (fault-call:0 fault-nth:72): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 623.980518][T19741] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00000000004663a7 [ 623.988580][T19741] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000005 [ 623.996557][T19741] RBP: 00007f4126cd76bc R08: 00007f4126cd7040 R09: 0000000020000000 [ 624.004507][T19741] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 624.012457][T19741] R13: 0000000000000016 R14: 00007f4126cd7000 R15: 0000000020000040 21:19:43 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f041000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 624.051908][T19755] EXT4-fs (loop5): Can't read superblock on 2nd try [ 624.062484][T19766] loop1: detected capacity change from 0 to 4 [ 624.067671][T19767] loop2: detected capacity change from 0 to 11 [ 624.074942][T19768] loop0: detected capacity change from 0 to 512 [ 624.077426][T19767] FAT-fs (loop2): bogus number of reserved sectors [ 624.087870][T19767] FAT-fs (loop2): Can't find a valid FAT filesystem [ 624.097713][T19750] loop4: detected capacity change from 0 to 4 [ 624.104792][T19750] EXT4-fs (loop4): Can't read superblock on 2nd try [ 624.106257][T19772] loop3: detected capacity change from 0 to 4 [ 624.112428][T19755] loop5: detected capacity change from 0 to 4 [ 624.117763][T19766] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 624.132003][T19755] EXT4-fs (loop5): Can't read superblock on 2nd try [ 624.140711][T19768] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock 21:19:43 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f0000edc00000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 624.150494][T19768] EXT4-fs (loop0): group descriptors corrupted! [ 624.157164][T19772] EXT4-fs (loop3): Can't read superblock on 2nd try [ 624.170763][T19766] FAULT_INJECTION: forcing a failure. [ 624.170763][T19766] name failslab, interval 1, probability 0, space 0, times 0 [ 624.183390][T19766] CPU: 0 PID: 19766 Comm: syz-executor.1 Not tainted 5.14.0-rc4-syzkaller #0 [ 624.192144][T19766] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 21:19:43 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000fc0ed00000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 624.193273][T19788] loop4: detected capacity change from 0 to 4 [ 624.202249][T19766] Call Trace: [ 624.202258][T19766] dump_stack_lvl+0xb7/0x103 [ 624.202279][T19766] dump_stack+0x11/0x1a [ 624.220269][T19766] should_fail+0x23c/0x250 [ 624.222027][T19767] loop2: detected capacity change from 0 to 2176 [ 624.224681][T19766] __should_failslab+0x81/0x90 [ 624.224702][T19766] should_failslab+0x5/0x20 [ 624.240244][T19766] kmem_cache_alloc_node_trace+0x58/0x2e0 [ 624.245973][T19766] ? __kmalloc_node_track_caller+0x30/0x40 [ 624.251781][T19766] ? kmem_cache_alloc_node+0x1d4/0x2b0 [ 624.251890][T19791] loop5: detected capacity change from 0 to 4 [ 624.257243][T19766] __kmalloc_node_track_caller+0x30/0x40 [ 624.257271][T19766] ? alloc_uevent_skb+0x5b/0x120 [ 624.273925][T19766] __alloc_skb+0x187/0x420 [ 624.278321][T19766] alloc_uevent_skb+0x5b/0x120 [ 624.283086][T19766] kobject_uevent_env+0x863/0xc40 [ 624.288104][T19766] ? kernfs_put+0x39/0x300 [ 624.292498][T19766] kobject_uevent+0x18/0x20 [ 624.297048][T19766] __loop_clr_fd+0x6ae/0x8f0 [ 624.301692][T19766] ? __filemap_fdatawait_range+0x17c/0x1b0 [ 624.307496][T19766] lo_ioctl+0xa48/0x1340 [ 624.311717][T19766] ? rcu_segcblist_enqueue+0x8e/0xa0 [ 624.317076][T19766] ? call_rcu+0x259/0x6c0 [ 624.321385][T19766] ? avc_has_extended_perms+0x5d8/0x7b0 [ 624.326909][T19766] ? kfree+0xf0/0x1d0 [ 624.330889][T19766] ? blkdev_common_ioctl+0x9c3/0x1040 [ 624.336304][T19766] ? selinux_file_ioctl+0x8e0/0x970 [ 624.341500][T19766] ? lo_release+0x120/0x120 [ 624.345995][T19766] blkdev_ioctl+0x1d0/0x3c0 [ 624.350494][T19766] block_ioctl+0x6d/0x80 [ 624.354722][T19766] ? blkdev_iopoll+0x70/0x70 [ 624.359288][T19766] __se_sys_ioctl+0xcb/0x140 [ 624.363928][T19766] __x64_sys_ioctl+0x3f/0x50 [ 624.368521][T19766] do_syscall_64+0x3d/0x90 [ 624.372929][T19766] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 624.378824][T19766] RIP: 0033:0x4663a7 [ 624.382733][T19766] 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 [ 624.402319][T19766] RSP: 002b:00007f4126cd6fa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 624.410714][T19766] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00000000004663a7 [ 624.418664][T19766] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000005 [ 624.426616][T19766] RBP: 00007f4126cd76bc R08: 00007f4126cd7040 R09: 0000000020000000 [ 624.434566][T19766] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 624.442563][T19766] R13: 0000000000000016 R14: 00007f4126cd7000 R15: 0000000020000040 21:19:43 executing program 1 (fault-call:0 fault-nth:73): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 624.460098][T19788] EXT4-fs (loop4): Can't read superblock on 2nd try [ 624.462067][T19772] loop3: detected capacity change from 0 to 4 [ 624.473353][T19768] loop0: detected capacity change from 0 to 512 [ 624.480760][T19791] EXT4-fs (loop5): Can't read superblock on 2nd try [ 624.487477][T19768] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 624.497269][T19768] EXT4-fs (loop0): group descriptors corrupted! 21:19:43 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)=ANY=[@ANYBLOB='uid=', @ANYRESHEX=0x0, @ANYBLOB=',Q\x00\x00\x00\x00\x00\x00\x00']) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:19:43 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000c0f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 624.506152][T19772] EXT4-fs (loop3): Can't read superblock on 2nd try [ 624.509831][T19803] loop1: detected capacity change from 0 to 4 [ 624.522253][T19788] loop4: detected capacity change from 0 to 4 [ 624.530380][T19791] loop5: detected capacity change from 0 to 4 [ 624.536960][T19791] EXT4-fs (loop5): Can't read superblock on 2nd try [ 624.539993][T19803] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 624.552587][T19788] EXT4-fs (loop4): Can't read superblock on 2nd try [ 624.571553][T19814] loop0: detected capacity change from 0 to 512 [ 624.600291][T19803] FAULT_INJECTION: forcing a failure. [ 624.600291][T19803] name failslab, interval 1, probability 0, space 0, times 0 [ 624.612924][T19803] CPU: 0 PID: 19803 Comm: syz-executor.1 Not tainted 5.14.0-rc4-syzkaller #0 21:19:43 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000fffffffda0000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:43 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000ffffe00000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 624.621207][T19814] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 624.621678][T19803] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 624.621690][T19803] Call Trace: [ 624.621697][T19803] dump_stack_lvl+0xb7/0x103 [ 624.631449][T19814] EXT4-fs (loop0): group descriptors corrupted! [ 624.641474][T19803] dump_stack+0x11/0x1a [ 624.641496][T19803] should_fail+0x23c/0x250 [ 624.650295][T19822] loop2: detected capacity change from 0 to 11 21:19:43 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f201000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 624.655609][T19803] ? skb_clone+0x12c/0x1f0 [ 624.674683][T19803] __should_failslab+0x81/0x90 [ 624.679444][T19803] should_failslab+0x5/0x20 [ 624.683959][T19803] kmem_cache_alloc+0x46/0x2e0 [ 624.688723][T19826] loop4: detected capacity change from 0 to 4 [ 624.688731][T19803] skb_clone+0x12c/0x1f0 [ 624.688751][T19803] netlink_broadcast_filtered+0x4fd/0xb60 [ 624.704753][T19803] ? skb_put+0xb9/0xf0 [ 624.708839][T19803] netlink_broadcast+0x35/0x50 [ 624.709197][T19828] loop3: detected capacity change from 0 to 4 [ 624.713601][T19803] kobject_uevent_env+0x8c9/0xc40 [ 624.713625][T19803] ? kernfs_put+0x39/0x300 [ 624.713646][T19803] kobject_uevent+0x18/0x20 [ 624.721347][T19827] loop5: detected capacity change from 0 to 4 [ 624.724719][T19803] __loop_clr_fd+0x6ae/0x8f0 [ 624.744247][T19803] ? __filemap_fdatawait_range+0x17c/0x1b0 [ 624.750038][T19803] lo_ioctl+0xa48/0x1340 [ 624.754365][T19803] ? rcu_segcblist_enqueue+0x8e/0xa0 [ 624.759634][T19803] ? call_rcu+0x259/0x6c0 [ 624.764015][T19803] ? avc_has_extended_perms+0x5d8/0x7b0 [ 624.769588][T19803] ? kfree+0xf0/0x1d0 [ 624.773554][T19803] ? blkdev_common_ioctl+0x9c3/0x1040 [ 624.778914][T19803] ? selinux_file_ioctl+0x8e0/0x970 [ 624.784091][T19803] ? lo_release+0x120/0x120 [ 624.788589][T19803] blkdev_ioctl+0x1d0/0x3c0 [ 624.793174][T19803] block_ioctl+0x6d/0x80 [ 624.797443][T19803] ? blkdev_iopoll+0x70/0x70 [ 624.802110][T19803] __se_sys_ioctl+0xcb/0x140 [ 624.806742][T19803] __x64_sys_ioctl+0x3f/0x50 [ 624.811393][T19803] do_syscall_64+0x3d/0x90 [ 624.815794][T19803] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 624.821705][T19803] RIP: 0033:0x4663a7 [ 624.825584][T19803] 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 [ 624.845189][T19803] RSP: 002b:00007f4126cd6fa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 624.853650][T19803] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00000000004663a7 [ 624.861607][T19803] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000005 [ 624.869562][T19803] RBP: 00007f4126cd76bc R08: 00007f4126cd7040 R09: 0000000020000000 [ 624.877583][T19803] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 624.885580][T19803] R13: 0000000000000016 R14: 00007f4126cd7000 R15: 0000000020000040 [ 624.907487][T19828] EXT4-fs (loop3): Can't read superblock on 2nd try [ 624.916792][T19814] loop0: detected capacity change from 0 to 512 21:19:44 executing program 1 (fault-call:0 fault-nth:74): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 624.923806][T19827] EXT4-fs (loop5): Can't read superblock on 2nd try [ 624.925565][T19826] EXT4-fs (loop4): Can't read superblock on 2nd try [ 624.942546][T19822] loop2: detected capacity change from 0 to 11 [ 624.949007][T19814] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 624.949440][T19822] FAT-fs (loop2): Unrecognized mount option "Q" or missing value [ 624.958855][T19814] EXT4-fs (loop0): group descriptors corrupted! 21:19:44 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000ffffffff60000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 624.982220][T19827] loop5: detected capacity change from 0 to 4 [ 624.990964][T19828] loop3: detected capacity change from 0 to 4 [ 624.997060][T19847] loop1: detected capacity change from 0 to 4 [ 625.009830][T19847] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 625.018371][T19827] EXT4-fs (loop5): Can't read superblock on 2nd try 21:19:44 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000d0f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:19:44 executing program 2: r0 = openat$vcsu(0xffffffffffffff9c, &(0x7f0000000000), 0x400000, 0x0) ioctl$SG_GET_VERSION_NUM(r0, 0x2282, &(0x7f0000000040)) fallocate(r0, 0x4, 0x95, 0x2) r1 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r1, 0x0) preadv(r1, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) r2 = shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) shmctl$IPC_RMID(r2, 0x0) [ 625.028254][T19828] EXT4-fs (loop3): Can't read superblock on 2nd try [ 625.077169][T19860] loop0: detected capacity change from 0 to 512 [ 625.079075][T19859] loop4: detected capacity change from 0 to 4 [ 625.090891][T19847] FAULT_INJECTION: forcing a failure. [ 625.090891][T19847] name failslab, interval 1, probability 0, space 0, times 0 [ 625.103516][T19847] CPU: 1 PID: 19847 Comm: syz-executor.1 Not tainted 5.14.0-rc4-syzkaller #0 [ 625.112272][T19847] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 625.115580][T19860] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 625.122319][T19847] Call Trace: [ 625.122328][T19847] dump_stack_lvl+0xb7/0x103 [ 625.122348][T19847] dump_stack+0x11/0x1a [ 625.122363][T19847] should_fail+0x23c/0x250 [ 625.132081][T19860] EXT4-fs (loop0): group descriptors corrupted! [ 625.135344][T19847] __should_failslab+0x81/0x90 [ 625.158121][T19862] loop2: detected capacity change from 0 to 11 [ 625.159424][T19847] ? call_usermodehelper_setup+0x71/0x190 [ 625.159452][T19847] should_failslab+0x5/0x20 [ 625.175811][T19847] kmem_cache_alloc_trace+0x49/0x310 [ 625.180395][T19862] FAT-fs (loop2): bogus number of reserved sectors [ 625.181109][T19847] call_usermodehelper_setup+0x71/0x190 [ 625.187602][T19862] FAT-fs (loop2): Can't find a valid FAT filesystem [ 625.193119][T19847] ? add_uevent_var+0x1c0/0x1c0 [ 625.193143][T19847] kobject_uevent_env+0xb29/0xc40 [ 625.209533][T19847] ? kernfs_put+0x39/0x300 [ 625.213948][T19847] kobject_uevent+0x18/0x20 [ 625.218494][T19847] __loop_clr_fd+0x6ae/0x8f0 21:19:44 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f001100000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:44 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f0fff00000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 625.223115][T19847] ? __filemap_fdatawait_range+0x17c/0x1b0 [ 625.228945][T19847] lo_ioctl+0xa48/0x1340 [ 625.233236][T19847] ? rcu_segcblist_enqueue+0x8e/0xa0 [ 625.235420][T19859] EXT4-fs (loop4): Can't read superblock on 2nd try [ 625.238594][T19847] ? call_rcu+0x259/0x6c0 [ 625.238643][T19847] ? avc_has_extended_perms+0x5d8/0x7b0 [ 625.238660][T19847] ? kfree+0xf0/0x1d0 [ 625.258998][T19847] ? blkdev_common_ioctl+0x9c3/0x1040 [ 625.264446][T19847] ? selinux_file_ioctl+0x8e0/0x970 [ 625.269737][T19847] ? lo_release+0x120/0x120 [ 625.274267][T19847] blkdev_ioctl+0x1d0/0x3c0 [ 625.278772][T19847] block_ioctl+0x6d/0x80 [ 625.278864][T19875] loop3: detected capacity change from 0 to 4 [ 625.283028][T19847] ? blkdev_iopoll+0x70/0x70 [ 625.283054][T19847] __se_sys_ioctl+0xcb/0x140 [ 625.283069][T19847] __x64_sys_ioctl+0x3f/0x50 [ 625.298322][T19875] EXT4-fs (loop3): Can't read superblock on 2nd try [ 625.302807][T19847] do_syscall_64+0x3d/0x90 [ 625.302834][T19847] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 625.302856][T19847] RIP: 0033:0x4663a7 [ 625.311026][T19874] loop5: detected capacity change from 0 to 4 [ 625.313812][T19847] 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 [ 625.313831][T19847] RSP: 002b:00007f4126cd6fa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 625.313848][T19847] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00000000004663a7 [ 625.313859][T19847] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000005 [ 625.327800][T19874] EXT4-fs (loop5): Can't read superblock on 2nd try [ 625.329641][T19847] RBP: 00007f4126cd76bc R08: 00007f4126cd7040 R09: 0000000020000000 [ 625.329655][T19847] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 625.329668][T19847] R13: 0000000000000016 R14: 00007f4126cd7000 R15: 0000000020000040 21:19:44 executing program 1 (fault-call:0 fault-nth:75): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:44 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000ffffffdf90000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 625.428125][T19860] loop0: detected capacity change from 0 to 512 [ 625.442116][T19884] loop1: detected capacity change from 0 to 4 [ 625.448842][T19860] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 625.458579][T19860] EXT4-fs (loop0): group descriptors corrupted! [ 625.465119][T19874] loop5: detected capacity change from 0 to 4 [ 625.467988][T19890] loop4: detected capacity change from 0 to 4 [ 625.471654][T19875] loop3: detected capacity change from 0 to 4 [ 625.480379][T19872] loop2: detected capacity change from 0 to 11 [ 625.489541][T19874] EXT4-fs (loop5): Can't read superblock on 2nd try [ 625.490281][T19890] EXT4-fs (loop4): Can't read superblock on 2nd try [ 625.496848][T19872] FAT-fs (loop2): bogus number of reserved sectors [ 625.509203][T19872] FAT-fs (loop2): Can't find a valid FAT filesystem [ 625.515984][T19884] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) 21:19:44 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f001200000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 625.521435][T19875] EXT4-fs (loop3): Can't read superblock on 2nd try [ 625.551339][T19884] FAULT_INJECTION: forcing a failure. [ 625.551339][T19884] name failslab, interval 1, probability 0, space 0, times 0 [ 625.563962][T19884] CPU: 1 PID: 19884 Comm: syz-executor.1 Not tainted 5.14.0-rc4-syzkaller #0 [ 625.566438][T19890] loop4: detected capacity change from 0 to 4 [ 625.572717][T19884] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 625.572729][T19884] Call Trace: [ 625.572736][T19884] dump_stack_lvl+0xb7/0x103 [ 625.572756][T19884] dump_stack+0x11/0x1a 21:19:44 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000ffeff00000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:44 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000e0f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 625.586329][T19890] EXT4-fs (loop4): Can't read superblock on 2nd try [ 625.588834][T19884] should_fail+0x23c/0x250 [ 625.611778][T19884] __should_failslab+0x81/0x90 [ 625.616543][T19884] ? call_usermodehelper_setup+0x71/0x190 [ 625.622265][T19884] should_failslab+0x5/0x20 [ 625.626767][T19884] kmem_cache_alloc_trace+0x49/0x310 [ 625.632072][T19884] call_usermodehelper_setup+0x71/0x190 [ 625.637637][T19884] ? add_uevent_var+0x1c0/0x1c0 [ 625.642490][T19884] kobject_uevent_env+0xb29/0xc40 [ 625.647512][T19884] ? kernfs_put+0x39/0x300 21:19:44 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000000)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0, 0x0, 0x1}], 0x0, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmctl$IPC_RMID(0xffffffffffffffff, 0x0) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 625.651926][T19884] kobject_uevent+0x18/0x20 [ 625.656428][T19884] __loop_clr_fd+0x6ae/0x8f0 [ 625.661063][T19884] ? __filemap_fdatawait_range+0x17c/0x1b0 [ 625.666864][T19884] lo_ioctl+0xa48/0x1340 [ 625.671110][T19884] ? rcu_segcblist_enqueue+0x8e/0xa0 [ 625.676467][T19884] ? call_rcu+0x259/0x6c0 [ 625.677830][T19913] loop2: detected capacity change from 0 to 11 [ 625.680800][T19884] ? avc_has_extended_perms+0x5d8/0x7b0 [ 625.680822][T19884] ? kfree+0xf0/0x1d0 [ 625.680842][T19884] ? blkdev_common_ioctl+0x9c3/0x1040 [ 625.699504][T19913] FAT-fs (loop2): bogus number of reserved sectors [ 625.701803][T19884] ? selinux_file_ioctl+0x8e0/0x970 [ 625.701826][T19884] ? lo_release+0x120/0x120 [ 625.708317][T19913] FAT-fs (loop2): Can't find a valid FAT filesystem [ 625.713512][T19884] blkdev_ioctl+0x1d0/0x3c0 [ 625.729057][T19884] block_ioctl+0x6d/0x80 [ 625.733413][T19884] ? blkdev_iopoll+0x70/0x70 [ 625.738002][T19884] __se_sys_ioctl+0xcb/0x140 [ 625.741596][T19919] loop0: detected capacity change from 0 to 512 [ 625.742657][T19884] __x64_sys_ioctl+0x3f/0x50 [ 625.742676][T19884] do_syscall_64+0x3d/0x90 [ 625.757844][T19884] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 625.758258][T19919] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 625.763801][T19884] RIP: 0033:0x4663a7 [ 625.763885][T19884] 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 [ 625.773545][T19919] EXT4-fs (loop0): group descriptors corrupted! [ 625.777392][T19884] RSP: 002b:00007f4126cd6fa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 625.804793][T19918] loop5: detected capacity change from 0 to 4 [ 625.811574][T19884] RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00000000004663a7 [ 625.811588][T19884] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000005 [ 625.811599][T19884] RBP: 00007f4126cd76bc R08: 00007f4126cd7040 R09: 0000000020000000 [ 625.811610][T19884] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff 21:19:45 executing program 1 (fault-call:0 fault-nth:76): syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 625.811629][T19884] R13: 0000000000000016 R14: 00007f4126cd7000 R15: 0000000020000040 [ 625.826885][T19918] EXT4-fs (loop5): Can't read superblock on 2nd try [ 625.835155][T19922] loop3: detected capacity change from 0 to 4 21:19:45 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000ffffffdfd0000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 625.896313][T19918] loop5: detected capacity change from 0 to 4 [ 625.904653][T19919] loop0: detected capacity change from 0 to 512 [ 625.911179][T19913] loop2: detected capacity change from 0 to 11 [ 625.917929][T19918] EXT4-fs (loop5): Can't read superblock on 2nd try [ 625.926323][T19922] EXT4-fs (loop3): Can't read superblock on 2nd try [ 625.934679][T19919] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock 21:19:45 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) r1 = socket$unix(0x1, 0x5, 0x0) bind$unix(r1, &(0x7f0000003000)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) r2 = perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0x6, 0x81, 0x81, 0x7, 0x0, 0x1f, 0x2100a, 0x4, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x2, @perf_bp={&(0x7f0000000000), 0x9}, 0x4, 0x6, 0x0, 0x0, 0x2, 0xffff, 0x774, 0x0, 0x2, 0x0, 0x52}, 0xffffffffffffffff, 0x9, r0, 0x8) mmap(&(0x7f000071e000/0x4000)=nil, 0x4000, 0x72d78dd094c7db6c, 0x100010, r2, 0x2000) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 625.944502][T19919] EXT4-fs (loop0): group descriptors corrupted! [ 625.953022][T19944] loop1: detected capacity change from 0 to 4 [ 625.969283][T19944] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 625.973275][T19946] loop4: detected capacity change from 0 to 4 21:19:45 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000004000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 625.991234][T19922] loop3: detected capacity change from 0 to 4 [ 625.997334][T19946] EXT4-fs (loop4): Can't read superblock on 2nd try [ 626.004420][T19944] FAULT_INJECTION: forcing a failure. [ 626.004420][T19944] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 626.017582][T19944] CPU: 0 PID: 19944 Comm: syz-executor.1 Not tainted 5.14.0-rc4-syzkaller #0 [ 626.026334][T19944] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 626.033413][T19922] EXT4-fs (loop3): Can't read superblock on 2nd try [ 626.036384][T19944] Call Trace: [ 626.036393][T19944] dump_stack_lvl+0xb7/0x103 [ 626.050746][T19957] loop5: detected capacity change from 0 to 4 [ 626.050909][T19944] dump_stack+0x11/0x1a [ 626.061081][T19944] should_fail+0x23c/0x250 [ 626.063736][T19957] EXT4-fs (loop5): Can't read superblock on 2nd try [ 626.065504][T19944] should_fail_usercopy+0x16/0x20 [ 626.077080][T19944] _copy_to_user+0x1c/0x90 [ 626.081478][T19944] simple_read_from_buffer+0xab/0x120 [ 626.086835][T19944] proc_fail_nth_read+0xf6/0x140 [ 626.091762][T19944] ? rw_verify_area+0x136/0x250 [ 626.096638][T19944] ? proc_fault_inject_write+0x200/0x200 [ 626.102276][T19944] vfs_read+0x154/0x5d0 [ 626.106441][T19944] ? __fput+0x43e/0x4e0 [ 626.110576][T19944] ? __fget_light+0x21b/0x260 [ 626.115268][T19944] ? __cond_resched+0x11/0x40 [ 626.119982][T19944] ksys_read+0xce/0x180 [ 626.124158][T19944] __x64_sys_read+0x3e/0x50 [ 626.128645][T19944] do_syscall_64+0x3d/0x90 [ 626.133058][T19944] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 626.139012][T19944] RIP: 0033:0x41936c [ 626.142894][T19944] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 fc ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 2f fd ff ff 48 [ 626.162493][T19944] RSP: 002b:00007f4126cd7170 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 626.170929][T19944] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 000000000041936c [ 626.178877][T19944] RDX: 000000000000000f RSI: 00007f4126cd71e0 RDI: 0000000000000003 [ 626.186839][T19944] RBP: 00007f4126cd71d0 R08: 0000000000000000 R09: 0000000020000000 21:19:45 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000f0f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:19:45 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 626.194786][T19944] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 626.202734][T19944] R13: 00007ffca974f5ef R14: 00007f4126cd7300 R15: 0000000000022000 [ 626.236909][T19946] loop4: detected capacity change from 0 to 4 21:19:45 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f001c00000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 626.246592][T19957] loop5: detected capacity change from 0 to 4 [ 626.260307][T19946] EXT4-fs (loop4): Can't read superblock on 2nd try [ 626.273796][T19970] loop2: detected capacity change from 0 to 11 [ 626.282672][T19957] EXT4-fs (loop5): Can't read superblock on 2nd try [ 626.287437][T19976] loop1: detected capacity change from 0 to 4 21:19:45 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000ffffffffd0000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 626.305418][T19970] FAT-fs (loop2): bogus number of reserved sectors [ 626.310057][T19980] loop0: detected capacity change from 0 to 512 [ 626.312008][T19970] FAT-fs (loop2): Can't find a valid FAT filesystem [ 626.327146][T19978] loop3: detected capacity change from 0 to 4 [ 626.333949][T19980] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 626.343727][T19980] EXT4-fs (loop0): group descriptors corrupted! 21:19:45 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000008000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 626.372367][T19976] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 626.381235][T19978] EXT4-fs (loop3): Can't read superblock on 2nd try [ 626.387656][T19990] loop4: detected capacity change from 0 to 4 [ 626.398451][T19994] loop5: detected capacity change from 0 to 4 [ 626.403181][T19990] EXT4-fs (loop4): Can't read superblock on 2nd try [ 626.409410][T19970] loop2: detected capacity change from 0 to 11 21:19:45 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x2, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 626.419921][T19980] loop0: detected capacity change from 0 to 512 [ 626.427649][T19970] FAT-fs (loop2): bogus number of reserved sectors [ 626.434202][T19970] FAT-fs (loop2): Can't find a valid FAT filesystem [ 626.434924][T19980] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 626.450545][T19980] EXT4-fs (loop0): group descriptors corrupted! [ 626.451127][T19994] EXT4-fs (loop5): Can't read superblock on 2nd try [ 626.463854][T19978] loop3: detected capacity change from 0 to 4 [ 626.470791][T19990] loop4: detected capacity change from 0 to 4 [ 626.477191][T19978] EXT4-fs (loop3): Can't read superblock on 2nd try [ 626.481966][T20006] loop1: detected capacity change from 0 to 4 [ 626.490464][T19990] EXT4-fs (loop4): Can't read superblock on 2nd try [ 626.492855][T20006] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 626.512451][T19994] loop5: detected capacity change from 0 to 4 21:19:45 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) r1 = syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0xc8, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) socket(0x2a, 0x2, 0x2) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) dup2(r1, r0) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:19:45 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300004100f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:19:45 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000ffffffffe0000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:45 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f002000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 626.518869][T19994] EXT4-fs (loop5): Can't read superblock on 2nd try [ 626.536654][T20013] loop0: detected capacity change from 0 to 512 [ 626.546045][T20013] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 626.555825][T20013] EXT4-fs (loop0): group descriptors corrupted! [ 626.565020][T20006] loop1: detected capacity change from 0 to 4 21:19:45 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f400008000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 626.593843][T20006] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 626.603097][T20027] loop2: detected capacity change from 0 to 11 [ 626.610891][T20029] loop3: detected capacity change from 0 to 4 [ 626.614659][T20030] loop4: detected capacity change from 0 to 4 [ 626.623086][T20029] EXT4-fs (loop3): Can't read superblock on 2nd try [ 626.623146][T20027] FAT-fs (loop2): bogus number of reserved sectors [ 626.623157][T20027] FAT-fs (loop2): Can't find a valid FAT filesystem [ 626.639382][T20034] loop5: detected capacity change from 0 to 4 [ 626.642943][T20030] EXT4-fs (loop4): Can't read superblock on 2nd try [ 626.652222][T20034] EXT4-fs (loop5): Can't read superblock on 2nd try [ 626.667023][T20013] loop0: detected capacity change from 0 to 512 [ 626.673601][T20029] loop3: detected capacity change from 0 to 4 [ 626.680732][T20029] EXT4-fs (loop3): Can't read superblock on 2nd try [ 626.682504][T20030] loop4: detected capacity change from 0 to 4 21:19:45 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x3, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 626.689374][T20034] loop5: detected capacity change from 0 to 4 [ 626.700081][T20013] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 626.709844][T20013] EXT4-fs (loop0): group descriptors corrupted! [ 626.724154][T20034] EXT4-fs (loop5): Can't read superblock on 2nd try [ 626.725064][T20030] EXT4-fs (loop4): Can't read superblock on 2nd try 21:19:46 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f00000fff0000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 626.739229][T20027] loop2: detected capacity change from 0 to 11 [ 626.743276][T20055] loop1: detected capacity change from 0 to 4 [ 626.754091][T20055] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) 21:19:46 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f102000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:46 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f00000c000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:46 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:19:46 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300020100f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 626.794554][T20055] loop1: detected capacity change from 0 to 4 [ 626.810658][T20055] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 626.831269][T20070] loop3: detected capacity change from 0 to 4 [ 626.837648][T20072] loop4: detected capacity change from 0 to 4 21:19:46 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x4, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:46 executing program 2: r0 = socket$unix(0x1, 0x3, 0x0) connect(r0, &(0x7f0000931ff4)=@un=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0xc) write(r0, &(0x7f0000000000)="46b182796b8c408b0f21b7259db59970387d48dab885d4964d4f6001b238f62eca51bc59ca1201551de5553fb93592d98c731438360f69ec814014f3d46612b0fca5cfa5969b2e5da0d414b313c54df3b8461e3f1c2f0f6d6e7a3e01aa267a4b706a6817885b3e2b1a54ad0f9f1826d3cba35113cb7f78a3b20ec8b6a8c26b89d2f2f681b155ff1980b147ca3f7543e86c4ad6cb69c70fea8abc668d9ed141b22059cf049f37a59bff393a7ca3c9e5b7d484c933c87495a35fac0b79ae12c900d8b01270eb463e1a4a597016", 0xcc) r1 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r1, 0x0) preadv(r1, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 626.841086][T20076] loop0: detected capacity change from 0 to 512 [ 626.843972][T20075] loop5: detected capacity change from 0 to 4 [ 626.853547][T20076] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 626.865903][T20076] EXT4-fs (loop0): group descriptors corrupted! [ 626.875464][T20070] EXT4-fs (loop3): Can't read superblock on 2nd try [ 626.882907][T20072] EXT4-fs (loop4): Can't read superblock on 2nd try [ 626.911803][T20075] EXT4-fs (loop5): Can't read superblock on 2nd try [ 626.919858][T20076] loop0: detected capacity change from 0 to 512 [ 626.931633][T20076] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 626.941406][T20076] EXT4-fs (loop0): group descriptors corrupted! [ 626.950761][T20097] loop1: detected capacity change from 0 to 4 [ 626.959613][T20095] loop2: detected capacity change from 0 to 11 [ 626.961316][T20072] loop4: detected capacity change from 0 to 4 [ 626.974289][T20097] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 626.984153][T20095] FAT-fs (loop2): bogus number of reserved sectors [ 626.985926][T20072] EXT4-fs (loop4): Can't read superblock on 2nd try [ 626.990759][T20095] FAT-fs (loop2): Can't find a valid FAT filesystem 21:19:46 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000110f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:19:46 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f002200000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 627.015596][T20070] loop3: detected capacity change from 0 to 4 [ 627.022087][T20075] loop5: detected capacity change from 0 to 4 [ 627.024656][T20106] loop2: detected capacity change from 0 to 11 [ 627.037000][T20075] EXT4-fs (loop5): Can't read superblock on 2nd try [ 627.044063][T20070] EXT4-fs (loop3): Can't read superblock on 2nd try [ 627.044175][T20097] loop1: detected capacity change from 0 to 4 21:19:46 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000ffffffbff0000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:46 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000fffffe0000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 627.073155][T20113] loop0: detected capacity change from 0 to 512 [ 627.089744][T20097] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 627.094717][T20113] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 627.107635][T20113] EXT4-fs (loop0): group descriptors corrupted! [ 627.116915][T20106] FAT-fs (loop2): bogus number of reserved sectors 21:19:46 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x5, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 627.123442][T20106] FAT-fs (loop2): Can't find a valid FAT filesystem [ 627.124405][T20123] loop5: detected capacity change from 0 to 4 [ 627.135640][T20124] loop3: detected capacity change from 0 to 4 [ 627.139833][T20119] loop4: detected capacity change from 0 to 4 [ 627.148181][T20124] EXT4-fs (loop3): Can't read superblock on 2nd try [ 627.159009][T20119] EXT4-fs (loop4): Can't read superblock on 2nd try [ 627.164120][T20123] EXT4-fs (loop5): Can't read superblock on 2nd try 21:19:46 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmctl$SHM_UNLOCK(0x0, 0xc) shmget(0x2, 0x1000, 0x800, &(0x7f0000ffe000/0x1000)=nil) [ 627.203852][T20135] loop1: detected capacity change from 0 to 4 [ 627.213150][T20135] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 627.227878][T20139] loop2: detected capacity change from 0 to 11 [ 627.238319][T20124] loop3: detected capacity change from 0 to 4 [ 627.245275][T20135] loop1: detected capacity change from 0 to 4 21:19:46 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000010000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 627.247940][T20113] loop0: detected capacity change from 0 to 512 [ 627.257660][T20124] EXT4-fs (loop3): Can't read superblock on 2nd try [ 627.257973][T20119] loop4: detected capacity change from 0 to 4 [ 627.265641][T20139] FAT-fs (loop2): bogus number of reserved sectors [ 627.276814][T20139] FAT-fs (loop2): Can't find a valid FAT filesystem [ 627.284131][T20135] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 627.292813][T20113] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock 21:19:46 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000120f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:19:46 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x6, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:46 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f002500000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 627.296043][T20151] loop5: detected capacity change from 0 to 4 [ 627.302618][T20113] EXT4-fs (loop0): group descriptors corrupted! [ 627.318641][T20119] EXT4-fs (loop4): Can't read superblock on 2nd try [ 627.326018][T20151] EXT4-fs (loop5): Can't read superblock on 2nd try 21:19:46 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000ffffbffff0000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 627.368940][T20157] loop0: detected capacity change from 0 to 512 [ 627.378598][T20151] loop5: detected capacity change from 0 to 4 [ 627.386638][T20151] EXT4-fs (loop5): Can't read superblock on 2nd try [ 627.395329][T20169] loop1: detected capacity change from 0 to 4 [ 627.405768][T20157] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock 21:19:46 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x40, 0x0) r1 = syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) r2 = dup3(r1, r0, 0x0) mmap(&(0x7f000003c000/0x3000)=nil, 0x3000, 0x72d78dd094c7db66, 0x12, r2, 0x0) r3 = socket$unix(0x1, 0x5, 0x0) bind$unix(r3, &(0x7f0000003000)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) preadv(r3, &(0x7f0000000280), 0x1000017b, 0x5, 0x1000000) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 627.412596][T20173] loop3: detected capacity change from 0 to 4 [ 627.415549][T20157] EXT4-fs (loop0): group descriptors corrupted! [ 627.435212][T20169] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 627.443486][T20173] EXT4-fs (loop3): Can't read superblock on 2nd try 21:19:46 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000020000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 627.468275][T20176] loop4: detected capacity change from 0 to 4 [ 627.496029][T20176] EXT4-fs (loop4): Can't read superblock on 2nd try [ 627.496624][T20181] loop2: detected capacity change from 0 to 11 [ 627.505137][T20182] loop5: detected capacity change from 0 to 4 [ 627.518118][T20181] FAT-fs (loop2): bogus number of reserved sectors [ 627.518630][T20169] loop1: detected capacity change from 0 to 4 [ 627.524655][T20181] FAT-fs (loop2): Can't find a valid FAT filesystem [ 627.537659][T20173] loop3: detected capacity change from 0 to 4 21:19:46 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f002e00000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:46 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000004020000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 627.545813][T20173] EXT4-fs (loop3): Can't read superblock on 2nd try [ 627.551376][T20157] loop0: detected capacity change from 0 to 512 [ 627.558861][T20182] EXT4-fs (loop5): Can't read superblock on 2nd try [ 627.567620][T20157] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 627.577424][T20157] EXT4-fs (loop0): group descriptors corrupted! [ 627.586789][T20176] loop4: detected capacity change from 0 to 4 [ 627.594293][T20169] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 627.604582][T20176] EXT4-fs (loop4): Can't read superblock on 2nd try [ 627.616041][T20181] loop2: detected capacity change from 0 to 11 [ 627.617283][T20201] loop3: detected capacity change from 0 to 4 [ 627.629600][T20181] FAT-fs (loop2): bogus number of reserved sectors [ 627.636017][T20206] loop5: detected capacity change from 0 to 4 21:19:46 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000200f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:19:46 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x7, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 627.636178][T20181] FAT-fs (loop2): Can't find a valid FAT filesystem [ 627.648790][T20201] EXT4-fs (loop3): Can't read superblock on 2nd try [ 627.658954][T20206] EXT4-fs (loop5): Can't read superblock on 2nd try [ 627.676550][T20214] loop0: detected capacity change from 0 to 512 [ 627.680480][T20216] loop1: detected capacity change from 0 to 4 21:19:47 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x2000000, &(0x7f0000000400)=ANY=[@ANYBLOB='uid=', @ANYRESHEX=0x0, @ANYBLOB="226e6f646f1320abdf"]) r1 = socket$unix(0x1, 0x3, 0x0) connect(r1, &(0x7f0000931ff4)=@un=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0xc) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd095c7db67, 0x10, r1, 0x1335a000) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:19:47 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000ff9fdffff0000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:47 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000030000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 627.689083][T20214] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 627.698842][T20214] EXT4-fs (loop0): group descriptors corrupted! [ 627.698975][T20216] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 627.714623][T20206] loop5: detected capacity change from 0 to 4 [ 627.720963][T20201] loop3: detected capacity change from 0 to 4 [ 627.728156][T20201] EXT4-fs (loop3): Can't read superblock on 2nd try [ 627.735441][T20206] EXT4-fs (loop5): Can't read superblock on 2nd try [ 627.756004][T20226] loop4: detected capacity change from 0 to 4 [ 627.763018][T20226] EXT4-fs (loop4): Can't read superblock on 2nd try [ 627.779756][T20234] loop2: detected capacity change from 0 to 11 [ 627.785144][T20214] loop0: detected capacity change from 0 to 512 [ 627.792465][T20216] loop1: detected capacity change from 0 to 4 21:19:47 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f003f00000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 627.799163][T20216] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 627.805046][T20234] FAT-fs (loop2): Unrecognized mount option "uid=0x0000000000000000"nodo " or missing value [ 627.819103][T20226] loop4: detected capacity change from 0 to 4 [ 627.821505][T20242] loop5: detected capacity change from 0 to 4 [ 627.826203][T20214] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 627.841059][T20214] EXT4-fs (loop0): group descriptors corrupted! [ 627.841618][T20242] EXT4-fs (loop5): Can't read superblock on 2nd try 21:19:47 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x8, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 627.850054][T20244] loop3: detected capacity change from 0 to 4 [ 627.861463][T20234] loop2: detected capacity change from 0 to 11 [ 627.867635][T20226] EXT4-fs (loop4): Can't read superblock on 2nd try [ 627.885393][T20244] EXT4-fs (loop3): Can't read superblock on 2nd try [ 627.898246][T20256] loop1: detected capacity change from 0 to 4 21:19:47 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300010200f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:19:47 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000ffdfdffff0000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:47 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f004000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 627.905590][T20256] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 627.913717][T20234] FAT-fs (loop2): Unrecognized mount option "uid=0x0000000000000000"nodo " or missing value [ 627.928817][T20242] loop5: detected capacity change from 0 to 4 [ 627.937510][T20242] EXT4-fs (loop5): Can't read superblock on 2nd try [ 627.974835][T20269] loop3: detected capacity change from 0 to 4 [ 627.989264][T20269] EXT4-fs (loop3): Can't read superblock on 2nd try [ 627.997692][T20271] loop0: detected capacity change from 0 to 512 [ 627.998120][T20272] loop4: detected capacity change from 0 to 4 [ 628.014509][T20256] loop1: detected capacity change from 0 to 4 21:19:47 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) r1 = syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) fcntl$lock(r1, 0x25, &(0x7f0000000000)={0x2, 0x2, 0xff, 0x0, 0xffffffffffffffff}) r2 = socket$unix(0x1, 0x3, 0x0) connect(r2, &(0x7f0000931ff4)=@un=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0xc) preadv(r2, &(0x7f00000016c0)=[{&(0x7f0000000040)=""/4, 0x4}, {&(0x7f0000000240)=""/243, 0xf3}, {&(0x7f0000000080)=""/48, 0x30}, {&(0x7f0000001840)=""/4087, 0xff7}, {&(0x7f0000001780)=""/129, 0x81}, {&(0x7f0000001440)=""/83, 0x53}, {&(0x7f0000001500)=""/183, 0xb7}, {&(0x7f00000000c0)=""/51, 0x33}, {&(0x7f00000015c0)=""/194, 0xc2}], 0x9, 0xd9f, 0x207) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:19:47 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000040000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 628.017586][T20271] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 628.030341][T20271] EXT4-fs (loop0): group descriptors corrupted! [ 628.043370][T20269] loop3: detected capacity change from 0 to 4 [ 628.062968][T20256] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 628.072774][T20283] loop5: detected capacity change from 0 to 4 [ 628.082456][T20282] loop2: detected capacity change from 0 to 11 [ 628.090541][T20282] FAT-fs (loop2): bogus number of reserved sectors [ 628.097073][T20282] FAT-fs (loop2): Can't find a valid FAT filesystem [ 628.109004][T20271] loop0: detected capacity change from 0 to 512 [ 628.117851][T20269] EXT4-fs (loop3): Can't read superblock on 2nd try 21:19:47 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x9, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 628.123035][T20272] EXT4-fs (loop4): Can't read superblock on 2nd try [ 628.129436][T20283] EXT4-fs (loop5): Can't read superblock on 2nd try [ 628.136128][T20271] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 628.147471][T20271] EXT4-fs (loop0): group descriptors corrupted! [ 628.163337][T20283] loop5: detected capacity change from 0 to 4 21:19:47 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f004800000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:47 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000050000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:47 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000220f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:19:47 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) r1 = syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)=ANY=[@ANYBLOB="7105003d", @ANYRESHEX=0x0, @ANYBLOB="2c000000000000e8ff"]) r2 = openat$vcsa(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) splice(r2, &(0x7f0000000180)=0x4, r1, &(0x7f0000000240)=0x1, 0x40, 0x0) r3 = socket$unix(0x1, 0x3, 0x0) connect(r3, &(0x7f0000931ff4)=@un=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0xc) mmap(&(0x7f0000245000/0x3000)=nil, 0x3000, 0x1000001, 0x10, r3, 0x9be25000) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) openat(r1, &(0x7f00000000c0)='./file0\x00', 0x400000, 0x100) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) ioctl$BTRFS_IOC_SEND(r0, 0x40489426, &(0x7f0000000040)={{r0}, 0x5, &(0x7f0000000000)=[0x10001, 0x3, 0x200, 0x1, 0xff], 0x2, 0x1, [0x8ae, 0xffffffffffffff81, 0x100000001, 0x2]}) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) openat$dir(0xffffffffffffff9c, &(0x7f0000000280)='./file0\x00', 0x10000, 0x20) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x3000, 0x0, &(0x7f000019f000/0x3000)=nil) [ 628.170799][T20283] EXT4-fs (loop5): Can't read superblock on 2nd try [ 628.175455][T20272] loop4: detected capacity change from 0 to 4 [ 628.184853][T20282] loop2: detected capacity change from 0 to 11 [ 628.192032][T20272] EXT4-fs (loop4): Can't read superblock on 2nd try [ 628.198436][T20301] loop3: detected capacity change from 0 to 4 [ 628.205652][T20301] EXT4-fs (loop3): Can't read superblock on 2nd try 21:19:47 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f7fffffff0000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 628.248703][T20301] loop3: detected capacity change from 0 to 4 [ 628.254051][T20315] loop1: detected capacity change from 0 to 4 [ 628.265911][T20315] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 628.274828][T20318] loop0: detected capacity change from 0 to 512 [ 628.282639][T20321] loop5: detected capacity change from 0 to 4 [ 628.283149][T20318] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 628.292886][T20323] loop4: detected capacity change from 0 to 4 [ 628.298459][T20318] EXT4-fs (loop0): group descriptors corrupted! [ 628.305706][T20301] EXT4-fs (loop3): Can't read superblock on 2nd try [ 628.312134][T20314] loop2: detected capacity change from 0 to 11 [ 628.324211][T20321] EXT4-fs (loop5): Can't read superblock on 2nd try [ 628.330976][T20314] FAT-fs (loop2): Unrecognized mount option "q" or missing value [ 628.340090][T20323] EXT4-fs (loop4): Can't read superblock on 2nd try 21:19:47 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f004c00000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 628.340390][T20315] loop1: detected capacity change from 0 to 4 [ 628.366361][T20321] loop5: detected capacity change from 0 to 4 [ 628.369113][T20318] loop0: detected capacity change from 0 to 512 [ 628.373101][T20321] EXT4-fs (loop5): Can't read superblock on 2nd try [ 628.390471][T20315] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 628.393934][T20323] loop4: detected capacity change from 0 to 4 [ 628.405106][T20318] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 628.409293][T20345] loop3: detected capacity change from 0 to 4 [ 628.414860][T20318] EXT4-fs (loop0): group descriptors corrupted! [ 628.427161][T20323] EXT4-fs (loop4): Can't read superblock on 2nd try [ 628.434430][T20314] loop2: detected capacity change from 0 to 11 21:19:47 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000250f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:19:47 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0xa, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:47 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000060000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 628.443199][T20314] FAT-fs (loop2): Unrecognized mount option "q" or missing value [ 628.450151][T20345] EXT4-fs (loop3): Can't read superblock on 2nd try 21:19:47 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) mount$bind(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000080), 0x0, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 628.492200][T20357] loop0: detected capacity change from 0 to 512 [ 628.512655][T20357] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 628.515483][T20359] loop5: detected capacity change from 0 to 4 [ 628.522444][T20357] EXT4-fs (loop0): group descriptors corrupted! [ 628.534725][T20359] EXT4-fs (loop5): Can't read superblock on 2nd try 21:19:47 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f85ffffff0000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 628.543560][T20345] loop3: detected capacity change from 0 to 4 [ 628.550929][T20345] EXT4-fs (loop3): Can't read superblock on 2nd try [ 628.566057][T20367] loop1: detected capacity change from 0 to 4 [ 628.574620][T20367] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 628.586552][T20359] loop5: detected capacity change from 0 to 4 21:19:47 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f006000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 628.591201][T20357] loop0: detected capacity change from 0 to 512 [ 628.611678][T20357] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 628.621448][T20357] EXT4-fs (loop0): group descriptors corrupted! [ 628.630989][T20359] EXT4-fs (loop5): Can't read superblock on 2nd try 21:19:47 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000004060000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 628.644443][T20380] loop4: detected capacity change from 0 to 4 [ 628.651056][T20381] loop2: detected capacity change from 0 to 11 [ 628.657623][T20380] EXT4-fs (loop4): Can't read superblock on 2nd try [ 628.660797][T20382] loop3: detected capacity change from 0 to 4 [ 628.669683][T20367] loop1: detected capacity change from 0 to 4 [ 628.676543][T20381] FAT-fs (loop2): bogus number of reserved sectors [ 628.683064][T20381] FAT-fs (loop2): Can't find a valid FAT filesystem [ 628.695282][T20367] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 628.704789][T20382] EXT4-fs (loop3): Can't read superblock on 2nd try [ 628.713846][T20393] loop5: detected capacity change from 0 to 4 [ 628.728751][T20393] EXT4-fs (loop5): Can't read superblock on 2nd try [ 628.737483][T20380] loop4: detected capacity change from 0 to 4 21:19:48 executing program 2: recvmsg$unix(0xffffffffffffffff, &(0x7f0000000580)={&(0x7f0000000080)=@abs, 0x6e, &(0x7f0000000480)=[{&(0x7f0000000140)=""/24, 0x18}, {&(0x7f0000000180)=""/17, 0x11}, {&(0x7f0000000240)=""/155, 0x9b}, {&(0x7f0000000300)=""/9, 0x9}, {&(0x7f0000000340)=""/57, 0x39}, {&(0x7f00000003c0)=""/143, 0x8f}], 0x6, &(0x7f0000000500)=[@rights={{0x38, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @cred={{0x1c, 0x1, 0x2, {0x0, 0x0}}}, @rights={{0x24, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}], 0x80}, 0x2162) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f00000003c0)={0x0, 0x0, 0x0}, &(0x7f0000000440)=0xc) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000140)='./file0\x00', 0x0, 0x0, 0x0, 0x24b6422, &(0x7f0000000500)={[{@gid={'gid', 0x3d, r2}}]}) fchownat(0xffffffffffffffff, &(0x7f0000000000)='./file0\x00', r0, r2, 0x100) r3 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000040)={[{@fat=@uid}, {@nodots}], [{@fsname={'fsname', 0x3d, 'l\xbd \x93\x13\xf5\xe5\xdc\x1c\xaa~Bbn&'}}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r3, 0x0) preadv(r3, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:19:48 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000002e0f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:19:48 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f006800000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 628.743749][T20382] loop3: detected capacity change from 0 to 4 [ 628.762742][T20382] EXT4-fs (loop3): Can't read superblock on 2nd try [ 628.770849][T20380] EXT4-fs (loop4): Can't read superblock on 2nd try [ 628.777502][T20406] loop2: detected capacity change from 0 to 11 21:19:48 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0xb, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:48 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f8cffffff0000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 628.791584][T20393] loop5: detected capacity change from 0 to 4 [ 628.796417][T20410] loop0: detected capacity change from 0 to 512 [ 628.808060][T20410] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 628.809599][T20406] FAT-fs (loop2): Unrecognized mount option "fsname=l ~Bbn&" or missing value [ 628.817822][T20410] EXT4-fs (loop0): group descriptors corrupted! [ 628.837532][T20393] EXT4-fs (loop5): Can't read superblock on 2nd try [ 628.853251][T20420] loop1: detected capacity change from 0 to 4 [ 628.859276][T20423] loop4: detected capacity change from 0 to 4 [ 628.863631][T20424] loop3: detected capacity change from 0 to 4 [ 628.871991][T20423] EXT4-fs (loop4): Can't read superblock on 2nd try [ 628.876741][T20420] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 628.878910][T20424] EXT4-fs (loop3): Can't read superblock on 2nd try [ 628.899153][T20410] loop0: detected capacity change from 0 to 512 [ 628.901497][T20428] loop2: detected capacity change from 0 to 11 [ 628.921716][T20423] loop4: detected capacity change from 0 to 4 [ 628.928570][T20410] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 628.934519][T20428] FAT-fs (loop2): Unrecognized mount option "fsname=l ~Bbn&" or missing value [ 628.938312][T20410] EXT4-fs (loop0): group descriptors corrupted! 21:19:48 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000070000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:48 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0x0, 0x0) r1 = syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) r2 = socket$unix(0x1, 0x3, 0x0) connect(r2, &(0x7f0000931ff4)=@un=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0xc) ioctl$BTRFS_IOC_DEV_REPLACE(r1, 0xca289435, &(0x7f0000000440)={0x2, 0x7, @start={0x0, 0x0, "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", "f6b72ca557be7212e8918eec8d77a4758a613625be8cc489052363451645e92af8cd7e1c2e68d795d1e9ca04a9f7f58c988993af1858889d67947249507cbc3ace25489905e6681edad71e7582b1bf915a5299346b0e55ec2ff2211811d4a373f7e7c124d9c2b84bb7e446c3aa45178abc26d08568f12a05ad046f0cb60c202ac79d5ef75bdcb1390a190d9aaae18f73396d446dd3206b2be345b2b4731c21eb34596f5cfebb4d40d2d4d029d758f7af078fffb526799ee9bebb8196ffa5c75c180c56debe7a6610e4ad63f16642c231da06dd61629a4fad8dd316c445d0c186213d57cd82989bf42741932844edb26ad2b8796343e06b3dcf225495212cf02089d07774d917316a754b6d14fe1017a955cba095d31369ca49e21dac0b0a2edfac7856759af709efbe13192b9a7491562457b614f619068adc143a169d3bcf97c417a3bc7b57f07b2637d38a5e246b95015afed4d1864e3a3b840ba71436508e3d080220c96461a5787a3e49d2641d8443b42ecd151c7d875d660fcf39f26e911fd4bf128a3e45052e3323e5b21cce4644035be0d64c28aaa59cf1f9e919fce8313b68024f487ee9db8ff8586a61e583c8997d002ff3f5cb2387dd0efc480a695fddf4a3eced76b1ede0b10c5e031e5b60f246b1d42f501e64cc2c02f1f1fe74e33131bd6a966947be56c1f2a1293e54b8ff443599080c9f63472057dc4e96f8b7ce03d403c8f6f242a0a8c0dad6fa2f15b107de5b3956519283e7e7ed0b56156f66f218a98dc67eca06a4933ec1bb5aec10ddd31a9feffc7e46d66acdcfcc723f2409c0dd185e5622130d9be3a59fdc5c4a7769c635b3491dcf370e03dacf624d2dff5592449836ccca70991fb9acdbf0732ec0ac8eee66c9dbc0558ebc8f1552c2d05d36edb14e70286ab9c72f7e061bb283d86a13dcad9aa17c74616f569d6c8c9d61c63e6a0281c31274aba9ab573bcb70d310a434addcfca80a2d0ed4dd6a89bd56c2e73fadb06a4a885314d2c69030635c9517f324b65ced67197f2de5f8bfe9a18e85695b387267d7e3806538e2279e05ddd5c14c8d710b340fc21572ae275b43f0e749de743470f8b0d4fe9d87b783294ea2b2b5aec437a766a132123b6b90c559c1493afff5754d2aaf3c301b4dc754b3f83b5451e0cae963ff47dd9743dd5f6cb593173d116e1b5880399f2ab9884ca149562e7876a82ec7d3c528add3bf5181f7a029958be3351f1a83242eedc3d369fc0fe219e9777ca34d98595347e8c9b8b57dac7ae2075ac92012b36d08d6c6763d778e63aa3e08f597c6431ebe6ffe2f5b8e03e46e2bdb99cd0457f76a616fe71579a6868d6b27aafc38e8603deb3a38714aad271a467a6e4b9218919957d3733f6e9c14bf3a847ac2a6f19a5042ed9bda1c2157da419f83e7c671e9549fc0edb6300ef8296c50f1e0689773"}, [0x8, 0xfffffffffffffcd1, 0x3, 0x100000000, 0x100, 0x8, 0xfffffffffffffff8, 0x401, 0x3f, 0x485, 0x6, 0x5739, 0x4, 0x4, 0x5c2, 0x92ab, 0x4, 0x10001, 0x200, 0x6, 0x1ff, 0x3ff, 0x9, 0x9, 0x4b67, 0x5, 0x20, 0xa09, 0x8, 0x1, 0x2, 0x5, 0xfffffffffffffffb, 0x8001, 0x3, 0x0, 0x3b, 0x894, 0x2, 0x8, 0xcb5b, 0x6aa, 0x400, 0x7f, 0x100000000, 0x7fff, 0x5, 0xfff, 0x3, 0x3, 0x5, 0x7, 0x1, 0xae, 0x3, 0x101, 0x9, 0xfff, 0x2641, 0x8, 0x5, 0xbc0, 0x3f]}) r4 = shmget(0x3, 0x2000, 0x4, &(0x7f00006e3000/0x2000)=nil) shmctl$SHM_INFO(r4, 0xe, &(0x7f0000000140)=""/117) ioctl$BTRFS_IOC_SNAP_DESTROY_V2(r2, 0x5000943f, &(0x7f0000000e80)={{r1}, 0x0, 0x12, @unused=[0x3839c0000000, 0x6, 0x7f, 0x6], @devid=r3}) lsetxattr$trusted_overlay_opaque(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040), &(0x7f0000000080), 0x2, 0x3) [ 628.961082][T20423] EXT4-fs (loop4): Can't read superblock on 2nd try [ 628.963687][T20424] loop3: detected capacity change from 0 to 4 [ 628.974842][T20420] loop1: detected capacity change from 0 to 4 [ 628.976878][T20441] loop5: detected capacity change from 0 to 4 [ 628.992940][T20441] EXT4-fs (loop5): Can't read superblock on 2nd try [ 628.993682][T20420] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) 21:19:48 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f97ffffff0000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:48 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000003f0f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:19:48 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f006c00000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 629.002178][T20424] EXT4-fs (loop3): Can't read superblock on 2nd try [ 629.023207][T20450] loop2: detected capacity change from 0 to 11 [ 629.031146][T20450] FAT-fs (loop2): bogus number of reserved sectors [ 629.037088][T20453] loop4: detected capacity change from 0 to 4 [ 629.037667][T20450] FAT-fs (loop2): Can't find a valid FAT filesystem 21:19:48 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0xc, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:48 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000080000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 629.092030][T20453] EXT4-fs (loop4): Can't read superblock on 2nd try [ 629.101851][T20467] loop3: detected capacity change from 0 to 4 [ 629.103221][T20466] loop1: detected capacity change from 0 to 4 [ 629.108168][T20468] loop5: detected capacity change from 0 to 4 [ 629.117781][T20465] loop0: detected capacity change from 0 to 512 [ 629.131548][T20453] loop4: detected capacity change from 0 to 4 [ 629.140469][T20466] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 629.147575][T20450] loop2: detected capacity change from 0 to 11 [ 629.148812][T20467] EXT4-fs (loop3): Can't read superblock on 2nd try [ 629.157578][T20468] EXT4-fs (loop5): Can't read superblock on 2nd try [ 629.167381][T20450] FAT-fs (loop2): bogus number of reserved sectors [ 629.174442][T20450] FAT-fs (loop2): Can't find a valid FAT filesystem [ 629.181147][T20453] EXT4-fs (loop4): Can't read superblock on 2nd try [ 629.192085][T20465] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 629.201835][T20465] EXT4-fs (loop0): group descriptors corrupted! [ 629.209346][T20466] loop1: detected capacity change from 0 to 4 [ 629.217353][T20468] loop5: detected capacity change from 0 to 4 [ 629.226698][T20467] loop3: detected capacity change from 0 to 4 21:19:48 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) r1 = socket$unix(0x1, 0x5, 0x0) bind$unix(r1, &(0x7f0000003000)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) mmap(&(0x7f0000365000/0x1000)=nil, 0x1000, 0x0, 0x50, r1, 0x63533000) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 629.246221][T20467] EXT4-fs (loop3): Can't read superblock on 2nd try [ 629.257435][T20468] EXT4-fs (loop5): Can't read superblock on 2nd try [ 629.259746][T20465] loop0: detected capacity change from 0 to 512 [ 629.266010][T20466] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) 21:19:48 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000fdaffffff0000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:48 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000090000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:48 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f027000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:48 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000400f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 629.290980][T20465] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 629.300726][T20465] EXT4-fs (loop0): group descriptors corrupted! [ 629.308959][T20496] loop2: detected capacity change from 0 to 11 [ 629.323975][T20496] FAT-fs (loop2): bogus number of reserved sectors [ 629.326458][T20500] loop4: detected capacity change from 0 to 4 [ 629.330517][T20496] FAT-fs (loop2): Can't find a valid FAT filesystem 21:19:48 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0xd, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 629.368682][T20500] EXT4-fs (loop4): Can't read superblock on 2nd try [ 629.369072][T20507] loop5: detected capacity change from 0 to 4 [ 629.383725][T20511] loop0: detected capacity change from 0 to 512 [ 629.385862][T20509] loop3: detected capacity change from 0 to 4 [ 629.395446][T20513] loop1: detected capacity change from 0 to 4 [ 629.402374][T20511] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 629.412186][T20511] EXT4-fs (loop0): group descriptors corrupted! [ 629.421465][T20513] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 629.433537][T20507] EXT4-fs (loop5): Can't read superblock on 2nd try [ 629.444859][T20509] EXT4-fs (loop3): Can't read superblock on 2nd try [ 629.454000][T20496] loop2: detected capacity change from 0 to 11 [ 629.454295][T20500] loop4: detected capacity change from 0 to 4 21:19:48 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f0000000a0000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:48 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0xe, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 629.477737][T20500] EXT4-fs (loop4): Can't read superblock on 2nd try [ 629.490418][T20509] loop3: detected capacity change from 0 to 4 [ 629.495654][T20511] loop0: detected capacity change from 0 to 512 [ 629.497031][T20509] EXT4-fs (loop3): Can't read superblock on 2nd try [ 629.506291][T20535] loop1: detected capacity change from 0 to 4 [ 629.510756][T20533] loop5: detected capacity change from 0 to 4 21:19:48 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000ff6ffffff0000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:48 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="ac6f646f74672c6e6f646f74732300fe32b204fd91772bc0575d2dea26535ea61f282a6061d74a5680a3379e38b778e53f7406f6637fd4d3f99907b8dd69752a15ffa0f2030186ebc8f494eddf76f0932122a01c4519355af9e1e055423e810b30b3f63deaa3f52a6850902e"]) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) name_to_handle_at(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', &(0x7f00000003c0)=ANY=[@ANYBLOB="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"], &(0x7f0000000080), 0x400) lseek(r0, 0x401, 0x4) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) preadv(r0, &(0x7f0000000940)=[{&(0x7f0000000040)=""/13, 0xd}, {&(0x7f0000000240)=""/252, 0xfc}, {&(0x7f0000000540)=""/186, 0xba}, {&(0x7f0000000600)=""/191, 0xbf}, {&(0x7f00000000c0)=""/14, 0xe}, {&(0x7f00000006c0)=""/90, 0x5a}, {&(0x7f0000000740)=""/254, 0xfe}, {&(0x7f0000000840)=""/204, 0xcc}], 0x8, 0x1f, 0xa59) shmat(0x0, &(0x7f000051b000/0x2000)=nil, 0x4000) getsockopt$SO_COOKIE(r0, 0x1, 0x39, &(0x7f0000000340), &(0x7f00000009c0)=0x8) shmget(0x3, 0x1000, 0x10, &(0x7f0000ffe000/0x1000)=nil) [ 629.516061][T20511] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 629.531173][T20511] EXT4-fs (loop0): group descriptors corrupted! [ 629.538134][T20533] EXT4-fs (loop5): Can't read superblock on 2nd try [ 629.549384][T20535] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 629.555244][T20541] loop4: detected capacity change from 0 to 4 21:19:48 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f027100000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:48 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000480f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 629.575541][T20541] EXT4-fs (loop4): Can't read superblock on 2nd try [ 629.588052][T20546] loop3: detected capacity change from 0 to 4 [ 629.599524][T20546] EXT4-fs (loop3): Can't read superblock on 2nd try [ 629.608594][T20533] loop5: detected capacity change from 0 to 4 [ 629.616524][T20535] loop1: detected capacity change from 0 to 4 [ 629.623526][T20533] EXT4-fs (loop5): Can't read superblock on 2nd try [ 629.625131][T20553] loop2: detected capacity change from 0 to 11 [ 629.630737][T20541] loop4: detected capacity change from 0 to 4 [ 629.636994][T20553] FAT-fs (loop2): Unrecognized mount option "odotg" or missing value [ 629.651297][T20541] EXT4-fs (loop4): Can't read superblock on 2nd try [ 629.651561][T20535] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 629.669261][T20546] loop3: detected capacity change from 0 to 4 21:19:48 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0xf, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:48 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000ffdffffff0000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:49 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f0000000b0000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 629.678872][T20546] EXT4-fs (loop3): Can't read superblock on 2nd try [ 629.682026][T20553] loop2: detected capacity change from 0 to 11 [ 629.692285][T20565] loop0: detected capacity change from 0 to 512 [ 629.700706][T20565] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 629.710462][T20565] EXT4-fs (loop0): group descriptors corrupted! 21:19:49 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f027200000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 629.742044][T20578] loop4: detected capacity change from 0 to 4 [ 629.747212][T20582] loop1: detected capacity change from 0 to 4 [ 629.755193][T20578] EXT4-fs (loop4): Can't read superblock on 2nd try [ 629.756629][T20586] loop5: detected capacity change from 0 to 4 [ 629.765840][T20589] loop3: detected capacity change from 0 to 4 [ 629.776605][T20565] loop0: detected capacity change from 0 to 512 [ 629.783591][T20582] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) 21:19:49 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) r1 = syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRESHEX=0x0, @ANYBLOB=',nodots,\x00']) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) r2 = open(&(0x7f0000000040)='./file0\x00', 0x141042, 0x0) write$P9_RREADLINK(r2, &(0x7f00000000c0)=ANY=[], 0x16) r3 = perf_event_open(&(0x7f0000001000)={0x5, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0xff, 0x4004, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, @perf_bp={&(0x7f00000002c0)}, 0x0, 0x0, 0x0, 0xc, 0x5, 0x0, 0x0, 0x0, 0x2, 0x0, 0xfffffffffffffffe}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f0000001a40)={0x0, ""/256, 0x0, 0x0, 0x0, 0x0, ""/16, ""/16, ""/16, 0x0, 0x0}) open(&(0x7f0000000180)='./file0\x00', 0x353501, 0x109) socketpair(0x1, 0x20000000000001, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_SET_FILTER(r6, 0x8914, &(0x7f0000000040)='lo\x00\x96o\xd6Q\xb9Y\xa9\xc8J,\x00\xd2\x97\x04\x03\xdc\r') ioctl$PERF_EVENT_IOC_SET_FILTER(r6, 0x8923, &(0x7f0000000680)='lo\x00\x96o8\x0fd\xa1\xe3\xd7]b}\x1f\xa1Y\xad4\x90\x9d`\xd2\x98\x00\x00\x00 \'Y\x17]\x15c\xcaR\xdd\x98OC\x89\x1b\xe7\x84\xe2\x05\x80w\xd2|D\x8dK\x14Bx\xcbuH\xc2\xeec\xbf<>Y\x1a\xfc\x1f9OB\x81\x89\x186\xc5q@n\xb4\xb6s\xb0\x00\x00\x00\x00\x00\b\x00\x00\xda\xef\xecE\xec\xd5I\xb2\x9b\xfe\x8d\x90?\x00\xe9\xe4~g:\xc1\xb2aj\x96\xbb\xa7\xe2\xc0\xdc\xf9Q\b\xeb\x16\x7fT\x11\xd3\r7\xe6\"f\xcf\x8e\xabd\x0ftp\x82\xae\xd2\x15\x8e+c\xf6\xbf\xe14>\xa6-\xa5c\xde\xd7\xab\xea\x1f\xf8s2\x9cVF\xd5\x18\xfe\x0e\x8f \x01\x00\x00y.\xfc*\x82\xa5\xa1p5\xc8{\xf7\xef\xab\xe8\x99\xebw#\x8at\x1c\x80\xfc\xb0\x95\xa2\xa7\xd7,Y]E8\x83X\xf5F\xdc\x88-\xf5\xb0\xb5^\xdb\x1a\xb6\xaa\x14\xe2\xb9\rh^J-\xd1\xbaUn\x04\'l\x1b\xe0o\xdb\xc8\x91%\x1c\xb5\xbf\xb6\x90\xb4\xc2\x7f]/\xb3\xe7\xc9\'\x94\xcfIo\xdf\x04\x95\xb5\x06\x84\x1fH>\xda\xc5\x04 \x94\x88\xeb\'\xd4;6\x7f\xd9\x99-\x1b|G\x8d\xd4\xb9%\xaaQ\xa0K\x10\x03\x93\xe1\xcc\xe7m\x80\'\xf0\xa5\xed(\r\xa8\x0f&\xb1\xf3\xff0\f\x82%_\x92\x8bD\xb9\xd9\xe7\xf2\xe4\xc1i#\xdc\x87A\xb9\xc7\r\x92\xfa\x11\x11\xb5\x1f\x03\x9d\xdd\x1bj\xdf\xacg\xe3\xa0S\xd3\x8a\xe1n\x97\xea\xf5\xa0\'\v\xe9\xa0\xf1 f\xaan\xcf\xb5i\xb6d\xbc\x92\v\xd58\x16\b\xb3_:\xa4!\ny\xc4&\nWMM\xa8\xc4\v\x9f\x01o\xf4\xab&\xb6\x17\x02P\xc3!N\xa1\x86\"\xd7\x04\xf1\xc0!\xed\xff\xee$\xc89\x8cB0\xd1dD\xe0IP\x88\xa2\xf2Y\x9af$$\xf1\x81\x96\xf7P\xac\xca\x80:!\xb4\x94#\xcb^\x9f\'\x03\xe3\x93\xb9\x82\xbf\xcf\xc4\xe3\xf7\x03Oh\xf2r\xca\x8ff\xbb/\x9f*\xaf\x1a \xa5\xa0?%M\xa5\x86\x98\xfa4\'1\xc7\f<\xcc@\xe8\x8a\xac.\xde\xe4\xc7\xf5\x9ck\xa40!\xe9\x14$\xb3\x05m\xb5m\xed\ft\x93\xd8\xa3\x80\'Y\xb9\x05\xbbt|\xbe\xbcz\n\xf3\xf5p\xf8\x9f~\x1b\xd0\v\x1cQ') sendmsg$NLBL_CIPSOV4_C_REMOVE(r6, &(0x7f0000000240)={&(0x7f0000000fc0)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000200)={&(0x7f00000034c0)=ANY=[@ANYBLOB="a676084547ef559e3b608b39e17e1d9f0e82de5f223294d7eeb16908925651d9944d36163cce9de0d5b22963bad7d29dabb4eb59bb331c5bb0d12259b041c8912938c958096ed965ccf6c6aa43b476bab7fe780982567193a54abf30df429ea5ae2d38fe074f50e957eb13d8c7f8da754691e46b02e20182a85a913572dd4b7eb4bbee44c37f898fe283bf190601e787d6d2003b5a0dded53b65d964f31684c31ab6834c43d9aa67c846d0c482e92f4c5dd6052ae838fd10e34afc44f3f7f5e16d36fff4f120c4382f0b4c6b57d7522e3c59f0d436edf65eef78229ad47cc8b83ee1faf2ae4aa9f730284996387ab992459e74db80ae53dd9c2949916759cccbcdc0dd5082e0055207257bbc6395a5dc597601f7aba686e04e16c0bdeccc129f1deac21905ec92be893fa308a69823e8f0217a30b8e2f3a688eecc49e5f2e5de2e4f4403ee579ac9599c6c54e0e0bdca620194ab15b9a85f2264a136ba8c25a2fee890b26233ea8922d702f6c402f44616a19ca821f3d889d1c3c7b9abcdfa22dca627136ae1360ae518d8ba58b9347b421b559c1d4d4f2033625c6866c7ae1b3b7329f238971b9e3d169fba1e7f88dbae9f09bcd18c7e13cd7ad7df100ce3b20705aa31cd9f6038a65f14c77fc01344018a928658f631d0ce4c42426ff3b8ea2b8cc5727da9cc1d13cfad7ca61fe04768878974a5ab18001988d16f23763483581683a168c8df1ec226d14e43cb0bd439be21e84ea5f2eef5284117a8febe17b10a041be4c5f28b64f95b35317866867f937ae366bd2d5b46b9c1375d74d81c8782f9f7c02bf64491ab92f911ce94e27c3203b27ce54c8f789c85267f64416b47dc9a6a58e4bfae9d82b4d82c3424dd47b2e5f60ad93b8ce0944c15dc88934db7d876bed4ae3bfa2781907d6aa5d6c800e246863ce7dc087289fb214a5eb40b745f0bf6b31b16f90d9f1cdd82651ab37cac49a92bc1e8fd477ffcbd243708e79d110c2176d5ffe1529fd8eb822944ec71ad13cf220892389586a4cb3fc800f0cf5606e18514548d664843567a8ebd2cc81f805c7f0783ed33a0922ae2fbfeebd4cc4d5013e047ea4c545952c3915a5d406bda65d9c369bf6ac54639ac780b39b2130913de1d0174ac6e7f51ed530afbd952d2bc517bddae7d447524ee6f5961792edd24db97e577f27e347acaa3124df708304dd55d553fd6f9055fc4de8e7232ff130904830bc74bdb312b02d8da4363f282204ba6fb7f6b8a4ec7784a1ee7f74c9f78b49419df94862c70fecca90e7d70bb69655c9c07440d74765c98f51bcbee39e0509583485d5369b9ecad6048b78919b455d580b72fc82c4280814eaa66dfdf34334e98ebf30b82f0033ad8a58fbf04e4aa4799c69afe6cd20d5ed06cffdb8e4ada08216bf2ed40d94782e3558deca45501b877b0f5cd10f272b602e71e00b79bfabc1e22a752201b06909a07a8a559cc64e05a1ec95d613c05ca97048f0e0b3a9e7f227d86ea865a7dae039ebf0a093ae4ad6a43b61c62373b18e0ed6d56fc9ed9654a8b2a2363566c56f6e2d51fdaf624f51fb7e715f469fe22b995ef60d1106c9784278e19c41034fe9cb05b81a501ff2dc422704a9a49dc0cddf62728e50d850700000000000000ded19e7a71300635e2ef5f9955be8ae4d7e8319077687c955ba12db3d6068545f17b714ecfa1b5c69c25fbe4e279e91d2d19a72452f4719814831e3ae4a05976a45f955d4bd6ea0d6fda797f3f215e799787907e063f000000000000007bd778e426d04e4562cb31b61093f5ee0e8a38fb8e58b498e2577117b2854f12aa92588d6a7f9368aae35de3b965a1a30f44520f783718b4c7cfa163c1acbda149e3664ab608b2a3dd2d4331b7b8042ab5c5227d9ed2f4c6eb8f4f383ad08ba1d9ed39fb1906e4edb37ba65c527e2cbc4e45516a42cbaf236fedd66cdf6c0c4068b8fb5880fa01c9c5aad3d556efecd55271893f374fc36495831f00a17190ef9b879de707b648f9e43689638507afedebaeef99404bcd58950b9d1a5ae1ddcdd0882ef725e03ac1c43ddaea9a7726b836cb64d363ae7062d8a539d16471d7160d7bc1f8707c9aa77240189393eea889ac19a4958c56e2fdc38a7e264e6effacb0202a22a505003a6fe2352fee85cebca1d8706d00f2be8826b261b5fe6ee75fa8fa38984445e1cd4c382cf2cfe14d7c542b14a637d05e729cde31f6ceac712394137e2bb408f61d9972173b295bab2a74564236b6b6e441eeb835659caaa54404fd4706d32bbf981ced48c6e82f9e9cede593c8e063a9a789ae38c47ff9d14cd855d6eb72ea7009efd3ce318aa8c96d7d6e82925d10090c04642af652ddd9732fd01f8cddf759cc9f79308a43588df227d79f7db8750d4498be9cd4eeaf2b12435704e67c156aa74eba00bdd241f7d236cfaae88d14400cd230d55e112891ebc96ac90183be301564d7d2fdf3d4bb7160ea889fee98a47fb4f816a2fe0cb66809ebf8763306c71203f86d6d85e7c4bd3694f71354367c69b7053ed75ca15cd441e6caebdf4ec15f3eec4f86b1e3506048c52851406897d63fe54db0100ac6eed6cad0733c941c345da94d0c6f4eec92820dab06bc330e74f52c5858fc71862701ec3b690605fb460d1f6e46f99299b4cf3df8d65f87c4a2ef8d05fa4b3841482f4572fe4773cb548ae691f12a219de1902a644f238a9f38d9913790de484a1251e3b8399a10b3e73a4895e2ae57088f38524ebd5fd2be455ceeb16b5bcf5300cfedd1e326a862c0bf3e1bef531a6c7a5895c247b12b39d9952526df29de825f8a31282be28ede06b7a5062c4dfefee45c52a901504723c59983d8746e84c457f8fdd18f55379189b63e5b9baaadf9a117f98538c1015f5d1da113c74f63b59545658c1df48ff840a691efd84f835a92a0a6ba2d9a4fb09a0577bdb3f888fa5ddc0abe98cdda0f0a165878e19fb99372077a605cc91e91e0bfdbd09c7b6ffa9db203000000bc6d7e572b5b46decb2e28ff71593b5bc58d21f86ed46db4e0f142af07d53c1b405511da1c80d5db99b4957443ecaacfa6e66732bcdd609e9b4531f50f5619571aa738abf0cc61eb8973be69931a6fef7e52a19f70ad318d549b0c8c805922e81e6ada33a4b59a9af96b40e563b6b147d04fec6ef7029ae8246744cf2f803432223529ad6456b188f34c00ce0dc4863beb9be26ae19b590927712db57cde87f9aa13c23fca0d1ccdfb77eb2f987a8905627b294753124a4bd6c03df81bdf014d2ba8ad181e5ee6094635ec64f04d1932359bca717bf00101e06e23fd6aa73eecca651471d875b088b4fa5a4765a9ac30725ac4032cfa77ed55229d5efff09463913195d92c4956833f2c3132a9c08588882624839502b8e83b9f700fc95d38891c25cc0e47f5865005403907d75916a5b31694f627cd90dfa2878a6044b6283febda431180c84caf8b2dc73ea016124c668e9d650449c9d272b075aaa4fc2174ebc560c10db6a6c427086a498456b8a9adc05a67389e00d2dc429a865861fe241224d9d200e92dbb8605f76f347ea4bed15a0ebae4f4069ee387465f96efd2d52affc44ab011b6aa8004393d59b7ef6fb0f13568eb20fb47d9007ca13267233b6862426565b75018d3bb63912d87053ed33ffd87c48ba6bf1d8c1c2fa7103b527077a83d00ffc5cb75a76bf8861090ff984a4de3354c0bf35719f5ffe3c2fb11035ec8a525e7f73997e337b195c2ef4f36ecf498b939d47297bec7b41480c8ccb6736e523c42ce4016caf7f7883ab62b44cbfbed0e4a621d44c67027f1b5be2cec6f086c4a73148f05c0a08046d1cb991fe11c43bbaa28e0746ff121cfbae5e6c9c04a2794019bafe704e058e6020dbdce967a6b86b569b8721fc172f9ffbe9a77e70e7a998772b6de720230a40b7a5796af6188c800b7fa06c54dd6be660a050781f8e03edae98532fef635dee9917145d831519e4b1e432ad926225bc4922214658cd0615760e1aa90b1c371811e475cbb69a3ee5392336afd2b8accfc204754ef95b362b0b2a229f1857a118c74cde213571b42f3a6340cd0b165712d7b47532e65a299d2d0c9a5661adfac383b8bd2a3fa625fec436516a9147be525f05577e485dd3d70076d94d2fddfee253963e4d7f9e9af4b3948a6757033ab65cbaabe09e4c2ee4e2803b97c84a109a4aa82ed72a1994c7ac144e7e6f5c26c11728ef65503127866a4c668379f82e8db5b8934f479aaf5df687bcc7933633471ab79443d69740cce1b05c41ccb70c7ef718fcb3667260f93b4c24478ed1c2112d3fa959b421c7e4e8bd75efc1014f6c8f69b1dd7993c4d04700a475118536de33b142f1f6b21a349527ffc7ef678a7b567c78192d0cf1c1ef95bb2665eaca4f2e63a0c8ed6d5955b26931d98b8b190c36b54c6f8ae670e706a97965dec5881b070fb1341aa47ee181da6f85681c21b1bad7f8191881d920983c2ff0e523adaf3123b0773d561859a54a6a77c0eccccfef8abb808120ce27c43476b1c978985ae42c680147f092502bbb1f0e37570f876db7215b68ff453eee673519cb1d0adfcfcc477ed5663955e7d20228d0bdcb9a5a855c6a7eac601c79d91ba01f1d8575b721951e908fa72c295dcea1eb57531748875713cc6a32b3712e701b22b15d3e53337fff2271ce43c8023cab1c26130b017949a16e213e8186e6df3a1b7ba3dd63c668c3fa6542133cd30546fe519ee1dcb40f487066d2e6118e8f96705abe25f288789f38bcf8eb695e16a2c00e61f5ad1593d3c33e150ecf1d6f5a561b9698bca30a19cb71572146ff2dc771b5ae9f0e26ef2491f93d8605df6d849f4cce05e4687a5a4ed4cafb51ee94ed070aa9bbc9ea3edcbe457b518cebfa3d206dac8ec464c9a4ebc74bd951e6c38f197a915fa7b25d9d82fc2fccc36c782a249e79d73be2fa17b5929c723b88cda6b7b5e09e988ce68714fb650d8c394ca3608f101a9fb203a4c85273609343264b8e0dffd91be57f04ad2b845ac0a3b525a5160dbfd1e467f55ffb4f2543acb63855434ba7e6721aaa18c7497a6966809c0732f72a23f0de99e285a798cdfd6a59324a0969860715a06e99b338aaf99aa88d2198b99970f7d5efb123c4a66dc05c4d8cc9a53eff3bdf01a9a634279d95a574921f9f25466f47f59b230dbc34fd205ba57815f26e7083bd90419e21eb643f5ca893e2405118d5d6ac3dc2bdf5974cec29c824826c8197674096aa911d04fad7d149d82f6aa32c4a07ab2dcaceb575c83969e34410c4448b6cae5282cb5ca2449185985f68f66831f1eda1a722e1d036565034bf340c02999eb334ae5b79b2ca556511c2490413dd3d551a47e6a10d802d4effa55b4284c5967a479509f4efc41668e40573e6b7054f8ba005efb1fc7ca4ad7b67034fd0e4a52a2d8c78b6814560231b6439f0e010422d215c73af5159d2dd51bf805b5d3642a21161e99d7966b7cfb09b1b15a63005b5dc86799b860fd048e130f084cacb2ce8befe6e50dffd7e466448a1db97ad21086ef7cd69241ca9e49b6f18ac0f72ebec5b326ae8ffa38e7137325290fb8a60964f99893cb9924f514d9c17a79a4fbaad0b0bca44502c0ff8b7bfd4f939c6e6edb33e765a6f066a4b2a191b815ed216864e2a9fb5d29de541a092ce67e32093cf3e8d88617f77e37104a7812d046c449d299e5ae7548a1513333870bd74012efbf125b269488ed1f64223d16b2cbc13646ef03e4c016fdc2e68990e6a657600a5730169b33da458a5d736b65bcef0513a5bcd5106a44d33f5c1367e51bfc11c89386c4e492707db87887e5b86c1dba5538fbf5391f5f450a9064b6dfb04f5e7a462277cbf6810e1adf7d64acba3d5e296f5c868cac1cfd76016ca31f52d1169826cf2b4dc548fa348c4c877f9ab4c5cd8fe90452d486d455f3312fa90d3cf031abb0c9ce4fe21496de73c4453770625096a76e7ec42de4e1d12074c68d26a2a143bc762209e77244fb62b8660a62da23a9d3339dcec7c8d3d3a603d4990eb100"/4287, @ANYRES64=r5, @ANYRESHEX, @ANYRES32=r4, @ANYRESOCT, @ANYRES64, @ANYRESHEX=r3], 0x3}, 0x1, 0x0, 0x0, 0x4}, 0x40025) ioctl$PERF_EVENT_IOC_SET_FILTER(r2, 0x40082406, &(0x7f0000000280)='\x00') ioctl$BTRFS_IOC_SET_RECEIVED_SUBVOL(r2, 0xc0c89425, &(0x7f0000000080)={"252d8c3982278190486e86abd68cdc7f", 0x0, r5, {0x9, 0xa}, {0x1f, 0x5ab}, 0x4, [0x3, 0x4, 0x0, 0xfff, 0x8, 0x5000, 0x7ff, 0x9, 0xfed, 0x8000, 0x8001, 0x6, 0x79, 0x101, 0x6]}) ioctl$BTRFS_IOC_SNAP_DESTROY_V2(r0, 0x5000943f, &(0x7f0000000440)={{r1}, r5, 0x1c, @unused=[0x7, 0x200, 0x1, 0xffffffff80000000], @name="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"}) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 629.791911][T20586] EXT4-fs (loop5): Can't read superblock on 2nd try [ 629.798649][T20589] EXT4-fs (loop3): Can't read superblock on 2nd try [ 629.805437][T20565] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 629.815180][T20565] EXT4-fs (loop0): group descriptors corrupted! [ 629.821620][T20578] loop4: detected capacity change from 0 to 4 [ 629.836180][T20578] EXT4-fs (loop4): Can't read superblock on 2nd try [ 629.846798][T20582] loop1: detected capacity change from 0 to 4 [ 629.851098][T20589] loop3: detected capacity change from 0 to 4 [ 629.855005][T20586] loop5: detected capacity change from 0 to 4 [ 629.865117][T20589] EXT4-fs (loop3): Can't read superblock on 2nd try [ 629.876971][T20599] loop2: detected capacity change from 0 to 11 21:19:49 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000004c0f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:19:49 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000ffeffffff0000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 629.888906][T20582] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 629.898080][T20599] FAT-fs (loop2): bogus number of reserved sectors [ 629.904619][T20599] FAT-fs (loop2): Can't find a valid FAT filesystem [ 629.920023][T20586] EXT4-fs (loop5): Can't read superblock on 2nd try [ 629.923841][T20613] loop0: detected capacity change from 0 to 512 21:19:49 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f007400000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 629.939739][T20613] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 629.949526][T20613] EXT4-fs (loop0): group descriptors corrupted! [ 629.955210][T20618] loop4: detected capacity change from 0 to 4 21:19:49 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x10, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:49 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f0000000c0000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 630.004813][T20618] EXT4-fs (loop4): Can't read superblock on 2nd try [ 630.035937][T20629] loop3: detected capacity change from 0 to 4 21:19:49 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000600f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 630.063259][T20635] loop1: detected capacity change from 0 to 4 [ 630.066615][T20629] EXT4-fs (loop3): Can't read superblock on 2nd try [ 630.074840][T20599] loop2: detected capacity change from 0 to 2176 [ 630.084170][T20618] loop4: detected capacity change from 0 to 4 [ 630.087010][T20636] loop5: detected capacity change from 0 to 4 [ 630.102046][T20636] EXT4-fs (loop5): Can't read superblock on 2nd try [ 630.111596][T20618] EXT4-fs (loop4): Can't read superblock on 2nd try [ 630.112117][T20635] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 630.122165][T20648] loop0: detected capacity change from 0 to 512 [ 630.142805][T20629] loop3: detected capacity change from 0 to 4 [ 630.145348][T20636] loop5: detected capacity change from 0 to 4 21:19:49 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)=ANY=[@ANYBLOB='uie=', @ANYRESHEX=0x0, @ANYBLOB=',nodots,\x00']) r1 = syz_open_dev$rtc(&(0x7f0000000280), 0x4, 0x80) mmap(&(0x7f000066c000/0x11000)=nil, 0x11000, 0x8, 0x12, r1, 0xffffd000) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) r2 = socket$unix(0x1, 0x5, 0x0) bind$unix(r2, &(0x7f0000003000)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) syz_io_uring_submit(0x0, 0x0, &(0x7f0000000240)=@IORING_OP_SENDMSG={0x9, 0xf7ed21cbc62ee159, 0x0, r2, 0x0, &(0x7f0000000180)={&(0x7f0000000000)=@ll={0x11, 0x1c, 0x0, 0x1, 0x3, 0x6, @multicast}, 0x80, &(0x7f0000000140)=[{&(0x7f0000000080)="7bd19007ca778b7a13b9624fcda1307ff21d5008097e5fb3a91d271147981f2039a09838cd228c3fb9086871cc601b5f97fc71691ad015fe1adca15a6c6d18dab0f83bf21bf5b694051096dc9a601d2af4b743fdfb", 0x55}], 0x1, &(0x7f0000000440)=[{0xb8, 0x101, 0x44, "05146a12551bacab5a93a23ec7c2fd6adc5b5a780b4d59c3d14e31ac35b6f941a238ace2c3ba4839e773c6c96dd3d3a2dcd2162ff3afefd9e182945711cae88b62a5b09f93a4d0d44b303a841e7d1b3d944bb996e0912a24b1334520f872ad45e01aa58d761f747865544a0f8e501041b087fbff72bc3d24b136d98edcf8fc9ed8f8abcc1d29863c1bd126732ea14631fa69850e2bca1874a7aea0be0a77b61b7810c1c879"}, {0x50, 0x101, 0x4, "2f354dd956f7a6e354234f6b744e36d92515e233b29b4935eace4accc73902b68c32fcd136ee7fb8cb8deffab91685abcefe697a661de05b3b"}, {0xc0, 0x10e, 0x7fffffff, "db7deda81636a240d45c45ef22eb9a709550b87757aafe5833887bb2fd55e3d75bea57f2ab0ccdca01ac4ab60fbf1af0a409632b3b31aa5037f8b7da18cd7adbc20aec63be30eea78084fcdf8de787eaa3ccf9eb738560d67d7bafa883782750820bef813c13fd6b411f88a0ff4fbd0fc7a4488783c314dacca1ab1d4e3e11c714d70eef93d41f50cd677f95945bf29fdd8bb80cde0e9bfa5fdee732b44aeed6e7e1cea8417e386fae5f32291638"}], 0x1c8}, 0x0, 0x24044044, 0x1}, 0x16) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) r3 = socket$unix(0x1, 0x5, 0x0) bind$unix(r3, &(0x7f0000003000)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) ioctl$FS_IOC_GETFLAGS(r3, 0x80086601, &(0x7f00000002c0)) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmctl$SHM_UNLOCK(0x0, 0xc) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:19:49 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000300000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 630.159821][T20629] EXT4-fs (loop3): Can't read superblock on 2nd try [ 630.170024][T20648] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 630.174234][T20635] loop1: detected capacity change from 0 to 4 [ 630.179753][T20648] EXT4-fs (loop0): group descriptors corrupted! [ 630.192517][T20636] EXT4-fs (loop5): Can't read superblock on 2nd try [ 630.197815][T20659] loop4: detected capacity change from 0 to 4 21:19:49 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000680f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:19:49 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f007a00000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:49 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f0000000d0000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 630.225123][T20635] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 630.244685][T20659] EXT4-fs (loop4): bad block size 8192 [ 630.259643][T20660] loop2: detected capacity change from 0 to 11 [ 630.273562][T20671] loop0: detected capacity change from 0 to 512 [ 630.274411][T20660] FAT-fs (loop2): Unrecognized mount option "uie=0x0000000000000000" or missing value [ 630.291161][T20671] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 630.300644][T20674] loop3: detected capacity change from 0 to 4 [ 630.300915][T20671] EXT4-fs (loop0): group descriptors corrupted! [ 630.316624][T20675] loop5: detected capacity change from 0 to 4 [ 630.320082][T20674] EXT4-fs (loop3): Can't read superblock on 2nd try [ 630.332089][T20675] EXT4-fs (loop5): Can't read superblock on 2nd try [ 630.347935][T20659] loop4: detected capacity change from 0 to 4 [ 630.349610][T20660] loop2: detected capacity change from 0 to 11 [ 630.358886][T20671] loop0: detected capacity change from 0 to 512 [ 630.361314][T20660] FAT-fs (loop2): Unrecognized mount option "uie=0x0000000000000000" or missing value 21:19:49 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x11, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:49 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f0000000e0000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 630.376523][T20659] EXT4-fs (loop4): bad block size 8192 [ 630.382312][T20671] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 630.392081][T20671] EXT4-fs (loop0): group descriptors corrupted! [ 630.401281][T20674] loop3: detected capacity change from 0 to 4 [ 630.413725][T20674] EXT4-fs (loop3): Can't read superblock on 2nd try 21:19:49 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000400000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:49 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:19:49 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f018d00000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:49 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000006c0f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 630.444699][T20697] loop5: detected capacity change from 0 to 4 [ 630.463173][T20697] EXT4-fs (loop5): Can't read superblock on 2nd try [ 630.482931][T20708] loop1: detected capacity change from 0 to 4 [ 630.497479][T20708] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 630.506875][T20715] loop0: detected capacity change from 0 to 512 [ 630.509941][T20713] loop4: detected capacity change from 0 to 4 [ 630.513440][T20709] loop2: detected capacity change from 0 to 11 [ 630.523485][T20716] loop3: detected capacity change from 0 to 4 [ 630.535338][T20715] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 630.536244][T20697] loop5: detected capacity change from 0 to 4 [ 630.545091][T20715] EXT4-fs (loop0): group descriptors corrupted! [ 630.552285][T20713] EXT4-fs (loop4): bad block size 16384 [ 630.559731][T20709] FAT-fs (loop2): bogus number of reserved sectors [ 630.569522][T20709] FAT-fs (loop2): Can't find a valid FAT filesystem [ 630.573433][T20697] EXT4-fs (loop5): Can't read superblock on 2nd try [ 630.580850][T20708] loop1: detected capacity change from 0 to 4 [ 630.591746][T20708] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 630.602486][T20716] EXT4-fs (loop3): Can't read superblock on 2nd try [ 630.614851][T20713] loop4: detected capacity change from 0 to 4 [ 630.621127][T20715] loop0: detected capacity change from 0 to 512 [ 630.627615][T20713] EXT4-fs (loop4): bad block size 16384 21:19:49 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f018e00000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:49 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f0000000f0000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:49 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x12, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 630.648270][T20709] loop2: detected capacity change from 0 to 2176 [ 630.667608][T20715] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 630.677432][T20715] EXT4-fs (loop0): group descriptors corrupted! [ 630.678850][T20742] loop3: detected capacity change from 0 to 4 21:19:50 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000600000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 630.692974][T20743] loop5: detected capacity change from 0 to 4 [ 630.699945][T20742] EXT4-fs (loop3): Can't read superblock on 2nd try [ 630.705820][T20747] loop1: detected capacity change from 0 to 4 [ 630.717272][T20743] EXT4-fs (loop5): Can't read superblock on 2nd try [ 630.727162][T20747] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 630.741061][T20742] loop3: detected capacity change from 0 to 4 21:19:50 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)=ANY=[@ANYBLOB="60696401", @ANYRESHEX=0x0, @ANYBLOB=',nodots,\x00']) r1 = syz_open_dev$tty1(0xc, 0x4, 0x4) ioctl$FIGETBSZ(r1, 0x2, &(0x7f0000000180)) mmap(&(0x7f00006cc000/0x4000)=nil, 0x4000, 0x3000005, 0x10, r0, 0x0) fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f0000000280)) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) r2 = socket$unix(0x1, 0x5, 0x0) r3 = openat$thread_pidfd(0xffffffffffffff9c, &(0x7f0000000240), 0x402240, 0x0) r4 = socket$unix(0x1, 0x5, 0x0) bind$unix(r4, &(0x7f0000003000)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) tee(r3, r4, 0x8, 0x1) getsockopt$sock_cred(r2, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, &(0x7f0000cab000)=0xc) setreuid(0x0, r5) fstat(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) fchownat(r0, &(0x7f0000000000)='./file0\x00', r5, r6, 0x1000) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) ioctl$sock_SIOCETHTOOL(r0, 0x8946, &(0x7f0000000140)={'batadv0\x00', &(0x7f00000000c0)=ANY=[@ANYBLOB="4600000006000000010000000200000021b99bc9010000009300000007000000800000000100000003000000010069000200000000000000"]}) 21:19:50 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000026d0f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 630.755071][T20742] EXT4-fs (loop3): Can't read superblock on 2nd try [ 630.761527][T20758] loop4: detected capacity change from 0 to 4 [ 630.768850][T20758] EXT4-fs (loop4): bad block size 65536 [ 630.781214][T20743] loop5: detected capacity change from 0 to 4 [ 630.787821][T20747] loop1: detected capacity change from 0 to 4 [ 630.794888][T20743] EXT4-fs (loop5): Can't read superblock on 2nd try 21:19:50 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f018f00000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 630.800250][T20747] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 630.807623][T20769] loop3: detected capacity change from 0 to 4 [ 630.817994][T20769] EXT4-fs (loop3): Can't read superblock on 2nd try [ 630.823254][T20765] loop2: detected capacity change from 0 to 11 [ 630.832281][T20765] FAT-fs (loop2): Unrecognized mount option "`id0x0000000000000000" or missing value [ 630.846040][T20758] loop4: detected capacity change from 0 to 4 21:19:50 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000100000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:50 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x1c, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 630.849280][T20777] loop0: detected capacity change from 0 to 512 [ 630.859704][T20769] loop3: detected capacity change from 0 to 4 [ 630.862246][T20777] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 630.871849][T20758] EXT4-fs (loop4): bad block size 65536 [ 630.875553][T20777] EXT4-fs (loop0): group descriptors corrupted! [ 630.890152][T20769] EXT4-fs (loop3): Can't read superblock on 2nd try 21:19:50 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) r1 = shmget$private(0x0, 0x400000, 0x0, &(0x7f000000e000/0x400000)=nil) shmat(r1, &(0x7f0000000000/0x13000)=nil, 0x4000) shmctl$IPC_RMID(r1, 0x0) shmctl$IPC_RMID(r1, 0x0) [ 630.923425][T20789] loop5: detected capacity change from 0 to 4 [ 630.932915][T20777] loop0: detected capacity change from 0 to 512 [ 630.933562][T20792] loop1: detected capacity change from 0 to 4 [ 630.957056][T20789] EXT4-fs (loop5): Can't read superblock on 2nd try [ 630.965390][T20792] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) 21:19:50 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000700000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:50 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000fc0ed00000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 630.974370][T20777] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 630.984198][T20777] EXT4-fs (loop0): group descriptors corrupted! 21:19:50 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300002700f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 631.018280][T20802] loop2: detected capacity change from 0 to 11 [ 631.025236][T20805] loop4: detected capacity change from 0 to 4 [ 631.032673][T20789] loop5: detected capacity change from 0 to 4 [ 631.041494][T20792] loop1: detected capacity change from 0 to 4 [ 631.063284][T20792] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 631.073991][T20810] loop3: detected capacity change from 0 to 4 [ 631.074225][T20789] EXT4-fs (loop5): Can't read superblock on 2nd try [ 631.084056][T20810] EXT4-fs (loop3): Can't read superblock on 2nd try 21:19:50 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x22, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:50 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000ffffe00000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 631.110554][T20802] FAT-fs (loop2): bogus number of reserved sectors [ 631.117094][T20802] FAT-fs (loop2): Can't find a valid FAT filesystem [ 631.126951][T20805] EXT4-fs (loop4): Invalid log block size: 7 [ 631.129160][T20821] loop0: detected capacity change from 0 to 512 [ 631.142302][T20824] loop1: detected capacity change from 0 to 4 [ 631.148855][T20821] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock 21:19:50 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000004100000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 631.158606][T20821] EXT4-fs (loop0): group descriptors corrupted! [ 631.158705][T20824] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 631.190656][T20805] loop4: detected capacity change from 0 to 4 [ 631.196344][T20833] loop3: detected capacity change from 0 to 4 [ 631.199245][T20802] loop2: detected capacity change from 0 to 11 21:19:50 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000a00000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 631.212019][T20821] loop0: detected capacity change from 0 to 512 [ 631.218364][T20839] loop5: detected capacity change from 0 to 4 [ 631.224634][T20805] EXT4-fs (loop4): Invalid log block size: 7 [ 631.224719][T20833] EXT4-fs (loop3): Can't read superblock on 2nd try [ 631.237645][T20821] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 631.247450][T20821] EXT4-fs (loop0): group descriptors corrupted! [ 631.255759][T20839] EXT4-fs (loop5): Can't read superblock on 2nd try 21:19:50 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:19:50 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300002710f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 631.274435][T20824] loop1: detected capacity change from 0 to 4 [ 631.285069][T20833] loop3: detected capacity change from 0 to 4 [ 631.297648][T20824] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 631.302754][T20859] loop0: detected capacity change from 0 to 512 [ 631.312180][T20833] EXT4-fs (loop3): Can't read superblock on 2nd try 21:19:50 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000fb4997a100000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:50 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)=ANY=[@ANYBLOB='uid=', @ANYRESHEX=0x0, @ANYBLOB="000000000000100000"]) clone3(&(0x7f0000000300)={0x80100, &(0x7f0000000000)=0xffffffffffffffff, &(0x7f0000000040), &(0x7f0000000080), {0x23}, &(0x7f0000000140)=""/102, 0x66, &(0x7f0000000240)=""/159, &(0x7f00000000c0)=[0xffffffffffffffff, 0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0], 0x6, {r0}}, 0x58) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x810, r1, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) r2 = accept4$unix(r0, &(0x7f0000000440)=@abs, &(0x7f00000003c0)=0x6e, 0x800) preadv(r2, &(0x7f0000000580)=[{&(0x7f00000004c0)=""/170, 0xaa}], 0x1, 0xf0000000, 0x1) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 631.322338][T20859] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 631.322594][T20865] loop4: detected capacity change from 0 to 4 [ 631.332574][T20859] EXT4-fs (loop0): group descriptors corrupted! [ 631.361264][T20865] EXT4-fs (loop4): Invalid log block size: 10 [ 631.362941][T20871] loop5: detected capacity change from 0 to 4 21:19:50 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f0fff00000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:50 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x25, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 631.381694][T20871] EXT4-fs (loop5): Can't read superblock on 2nd try [ 631.383109][T20876] loop2: detected capacity change from 0 to 11 [ 631.399175][T20876] FAT-fs (loop2): bogus number of reserved sectors [ 631.405729][T20876] FAT-fs (loop2): Can't find a valid FAT filesystem [ 631.415902][T20871] loop5: detected capacity change from 0 to 4 [ 631.422153][T20859] loop0: detected capacity change from 0 to 512 21:19:50 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000110000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 631.428081][T20885] loop3: detected capacity change from 0 to 4 [ 631.436479][T20885] EXT4-fs (loop3): Can't read superblock on 2nd try [ 631.438937][T20865] loop4: detected capacity change from 0 to 4 [ 631.448950][T20871] EXT4-fs (loop5): Can't read superblock on 2nd try [ 631.453877][T20891] loop1: detected capacity change from 0 to 4 [ 631.463245][T20859] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 631.473007][T20859] EXT4-fs (loop0): group descriptors corrupted! [ 631.480921][T20876] loop2: detected capacity change from 0 to 11 [ 631.486300][T20865] EXT4-fs (loop4): Invalid log block size: 10 [ 631.494746][T20885] loop3: detected capacity change from 0 to 4 [ 631.500058][T20902] loop5: detected capacity change from 0 to 4 [ 631.500958][T20876] FAT-fs (loop2): bogus number of reserved sectors [ 631.513383][T20876] FAT-fs (loop2): Can't find a valid FAT filesystem [ 631.514353][T20902] EXT4-fs (loop5): Can't read superblock on 2nd try 21:19:50 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000740f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 631.523505][T20891] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 631.536510][T20885] EXT4-fs (loop3): Can't read superblock on 2nd try [ 631.548149][T20902] loop5: detected capacity change from 0 to 4 [ 631.562634][T20902] EXT4-fs (loop5): Can't read superblock on 2nd try 21:19:50 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000001400000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:50 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000ffeff00000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 631.586630][T20891] loop1: detected capacity change from 0 to 4 [ 631.588683][T20915] loop0: detected capacity change from 0 to 512 [ 631.602148][T20891] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 631.617788][T20915] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 631.623200][T20922] loop4: detected capacity change from 0 to 4 21:19:50 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000120000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:50 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="083b4f41602b61ab296df1a1e980839db9f288268af838ef7322d93c7c5ee1a01aefb955e54d9d4ef81ea416c178b352eb10932b63869296785b71bd91d0aad2b08b9224b121b761c679689e1e12042b04859c0b715e792323", @ANYRESHEX=0x0, @ANYBLOB=',nodots,\x00']) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 631.627684][T20915] EXT4-fs (loop0): group descriptors corrupted! 21:19:50 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x2e, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 631.663276][T20925] loop3: detected capacity change from 0 to 4 [ 631.665857][T20922] EXT4-fs (loop4): Invalid log block size: 20 [ 631.671068][T20929] loop5: detected capacity change from 0 to 4 [ 631.685093][T20925] EXT4-fs (loop3): Can't read superblock on 2nd try [ 631.702474][T20929] EXT4-fs (loop5): Can't read superblock on 2nd try 21:19:51 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000004000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 631.719807][T20915] loop0: detected capacity change from 0 to 512 [ 631.728669][T20940] loop1: detected capacity change from 0 to 4 [ 631.730945][T20922] loop4: detected capacity change from 0 to 4 [ 631.736515][T20943] loop2: detected capacity change from 0 to 11 [ 631.747528][T20915] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 631.747653][T20929] loop5: detected capacity change from 0 to 4 [ 631.757311][T20915] EXT4-fs (loop0): group descriptors corrupted! [ 631.771974][T20940] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 631.773029][T20922] EXT4-fs (loop4): Invalid log block size: 20 [ 631.786320][T20949] loop3: detected capacity change from 0 to 4 [ 631.792574][T20943] FAT-fs (loop2): Unrecognized mount option ";OA`+a)m逃&8s"<|^UMNxR+cx[qЪҰ$!ayh+ q^y##0x0000000000000000" or missing value [ 631.811517][T20949] EXT4-fs (loop3): Can't read superblock on 2nd try 21:19:51 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000008000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 631.819836][T20929] EXT4-fs (loop5): Can't read superblock on 2nd try 21:19:51 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000001c00000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:51 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f0000001c0000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:51 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000007a0f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 631.851152][T20943] loop2: detected capacity change from 0 to 11 [ 631.866342][T20940] loop1: detected capacity change from 0 to 4 [ 631.879798][T20940] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) 21:19:51 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x48, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 631.906933][T20971] loop4: detected capacity change from 0 to 4 [ 631.913106][T20970] loop3: detected capacity change from 0 to 4 [ 631.916951][T20971] EXT4-fs (loop4): Invalid log block size: 28 [ 631.923904][T20974] loop0: detected capacity change from 0 to 512 [ 631.940935][T20976] loop5: detected capacity change from 0 to 4 [ 631.943262][T20970] EXT4-fs (loop3): Can't read superblock on 2nd try [ 631.955442][T20974] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 631.965208][T20974] EXT4-fs (loop0): group descriptors corrupted! [ 631.973129][T20976] EXT4-fs (loop5): Can't read superblock on 2nd try [ 631.975417][T20983] loop1: detected capacity change from 0 to 4 [ 631.987621][T20971] loop4: detected capacity change from 0 to 4 [ 631.995945][T20971] EXT4-fs (loop4): Invalid log block size: 28 21:19:51 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) r1 = open(&(0x7f0000000040)='./file0\x00', 0x141042, 0x0) write$P9_RREADLINK(r1, &(0x7f00000000c0)=ANY=[], 0x16) r2 = perf_event_open(&(0x7f0000001000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x4004, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, @perf_bp, 0x0, 0x0, 0x0, 0x8, 0x41c}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = socket$unix(0x1, 0x5, 0x0) bind$unix(r3, &(0x7f0000003000)=@abs={0x1, 0x0, 0x4e20}, 0x6e) close(r3) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f0000001a40)={0x0, ""/256, 0x0, 0x0, 0x0, 0x0, ""/16, ""/16, ""/16, 0x0, 0x0}) socketpair(0x1, 0x20000000000001, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_SET_FILTER(r6, 0x8914, &(0x7f0000000040)='lo\x00\x96o\xd6Q\xb9Y\xa9\xc8J,\x00\xd2\x97\x04\x03\xdc\r') ioctl$PERF_EVENT_IOC_SET_FILTER(r6, 0x8923, &(0x7f0000000680)='lo\x00\x96o8\x0fd\xa1\xe3\xd7]b}\x1f\xa1Y\xad4\x90\x9d`\xd2\x98\x00\x00\x00 \'Y\x17]\x15c\xcaR\xdd\x98OC\x89\x1b\xe7\x84\xe2\x05\x80w\xd2|D\x8dK\x14Bx\xcbuH\xc2\xeec\xbf<>Y\x1a\xfc\x1f9OB\x81\x89\x186\xc5q@n\xb4\xb6s\xb0\x00\x00\x00\x00\x00\b\x00\x00\xda\xef\xecE\xec\xd5I\xb2\x9b\xfe\x8d\x90?\x00\xe9\xe4~g:\xc1\xb2aj\x96\xbb\xa7\xe2\xc0\xdc\xf9Q\b\xeb\x16\x7fT\x11\xd3\r7\xe6\"f\xcf\x8e\xabd\x0ftp\x82\xae\xd2\x15\x8e+c\xf6\xbf\xe14>\xa6-\xa5c\xde\xd7\xab\xea\x1f\xf8s2\x9cVF\xd5\x18\xfe\x0e\x8f \x01\x00\x00y.\xfc*\x82\xa5\xa1p5\xc8{\xf7\xef\xab\xe8\x99\xebw#\x8at\x1c\x80\xfc\xb0\x95\xa2\xa7\xd7,Y]E8\x83X\xf5F\xdc\x88-\xf5\xb0\xb5^\xdb\x1a\xb6\xaa\x14\xe2\xb9\rh^J-\xd1\xbaUn\x04\'l\x1b\xe0o\xdb\xc8\x91%\x1c\xb5\xbf\xb6\x90\xb4\xc2\x7f]/\xb3\xe7\xc9\'\x94\xcfIo\xdf\x04\x95\xb5\x06\x84\x1fH>\xda\xc5\x04 \x94\x88\xeb\'\xd4;6\x7f\xd9\x99-\x1b|G\x8d\xd4\xb9%\xaaQ\xa0K\x10\x03\x93\xe1\xcc\xe7m\x80\'\xf0\xa5\xed(\r\xa8\x0f&\xb1\xf3\xff0\f\x82%_\x92\x8bD\xb9\xd9\xe7\xf2\xe4\xc1i#\xdc\x87A\xb9\xc7\r\x92\xfa\x11\x11\xb5\x1f\x03\x9d\xdd\x1bj\xdf\xacg\xe3\xa0S\xd3\x8a\xe1n\x97\xea\xf5\xa0\'\v\xe9\xa0\xf1 f\xaan\xcf\xb5i\xb6d\xbc\x92\v\xd58\x16\b\xb3_:\xa4!\ny\xc4&\nWMM\xa8\xc4\v\x9f\x01o\xf4\xab&\xb6\x17\x02P\xc3!N\xa1\x86\"\xd7\x04\xf1\xc0!\xed\xff\xee$\xc89\x8cB0\xd1dD\xe0IP\x88\xa2\xf2Y\x9af$$\xf1\x81\x96\xf7P\xac\xca\x80:!\xb4\x94#\xcb^\x9f\'\x03\xe3\x93\xb9\x82\xbf\xcf\xc4\xe3\xf7\x03Oh\xf2r\xca\x8ff\xbb/\x9f*\xaf\x1a \xa5\xa0?%M\xa5\x86\x98\xfa4\'1\xc7\f<\xcc@\xe8\x8a\xac.\xde\xe4\xc7\xf5\x9ck\xa40!\xe9\x14$\xb3\x05m\xb5m\xed\ft\x93\xd8\xa3\x80\'Y\xb9\x05\xbbt|\xbe\xbcz\n\xf3\xf5p\xf8\x9f~\x1b\xd0\v\x1cQ') sendmsg$NLBL_CIPSOV4_C_REMOVE(r6, &(0x7f0000000240)={&(0x7f0000000fc0)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000200)={&(0x7f00000034c0)=ANY=[@ANYBLOB="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"/4287, @ANYRES64=r5, @ANYRESHEX, @ANYRES32=r4, @ANYRESOCT, @ANYRES64, @ANYRESHEX=r2], 0x3}, 0x1, 0x0, 0x0, 0x4}, 0x40025) ioctl$BTRFS_IOC_SET_RECEIVED_SUBVOL(r1, 0xc0c89425, &(0x7f0000000080)={"252d8c3982278190486e86abd68cdc7f", 0x0, r5, {0x9, 0xa}, {0x1f, 0x5ab}, 0x4, [0x3, 0x4, 0x0, 0xfff, 0x8, 0x5000, 0x7ff, 0x9, 0xfed, 0x8000, 0x8001, 0x6, 0x79, 0x101, 0x6]}) ioctl$BTRFS_IOC_SNAP_CREATE_V2(0xffffffffffffffff, 0x50009417, &(0x7f0000000440)={{r0}, r5, 0xa, @unused=[0x3f, 0x6, 0x10000], @subvolid=0x7ff}) r7 = syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x0, &(0x7f0000000380), 0x8000, &(0x7f0000000180)={[{@fat=@fmask={'fmask', 0x3d, 0x81}}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r7, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 632.004209][T20970] loop3: detected capacity change from 0 to 4 [ 632.018165][T20983] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 632.027006][T20976] loop5: detected capacity change from 0 to 4 [ 632.033549][T20970] EXT4-fs (loop3): Can't read superblock on 2nd try [ 632.044781][T20974] loop0: detected capacity change from 0 to 512 21:19:51 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000002e00000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:51 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f400008000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 632.053535][T20976] EXT4-fs (loop5): Can't read superblock on 2nd try [ 632.075481][T20983] loop1: detected capacity change from 0 to 4 [ 632.083263][T20974] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 632.093018][T20974] EXT4-fs (loop0): group descriptors corrupted! 21:19:51 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x4c, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 632.100822][T20983] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 632.113208][T21008] loop3: detected capacity change from 0 to 4 [ 632.121028][T21008] EXT4-fs (loop3): Can't read superblock on 2nd try [ 632.137234][T21007] loop4: detected capacity change from 0 to 4 21:19:51 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000200000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:51 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000018e0f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:19:51 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f00000c000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 632.166556][T21007] EXT4-fs (loop4): Invalid log block size: 46 [ 632.173290][T21016] loop1: detected capacity change from 0 to 4 [ 632.187582][T21020] loop5: detected capacity change from 0 to 4 [ 632.192285][T21024] loop0: detected capacity change from 0 to 512 [ 632.200563][T21016] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 632.213815][T21020] EXT4-fs (loop5): Can't read superblock on 2nd try [ 632.215534][T21024] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 632.230188][T21024] EXT4-fs (loop0): group descriptors corrupted! [ 632.232166][T21034] loop3: detected capacity change from 0 to 4 [ 632.243520][T21007] loop4: detected capacity change from 0 to 4 [ 632.249849][T21034] EXT4-fs (loop3): Can't read superblock on 2nd try [ 632.250688][T21007] EXT4-fs (loop4): Invalid log block size: 46 [ 632.257694][T21016] loop1: detected capacity change from 0 to 4 [ 632.269947][T21020] loop5: detected capacity change from 0 to 4 [ 632.279541][T21016] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 632.280321][T21024] loop0: detected capacity change from 0 to 512 [ 632.299027][T21020] EXT4-fs (loop5): Can't read superblock on 2nd try [ 632.308044][T21034] loop3: detected capacity change from 0 to 4 21:19:51 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x60, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 632.317605][T21034] EXT4-fs (loop3): Can't read superblock on 2nd try [ 632.338507][T21024] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 632.348344][T21024] EXT4-fs (loop0): group descriptors corrupted! 21:19:51 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000003f00000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:51 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000010000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:51 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) r1 = shmget$private(0x0, 0x2000, 0x54001800, &(0x7f0000b49000/0x2000)=nil) shmat(r1, &(0x7f0000000000/0x4000)=nil, 0xffffffffffffdfff) shmctl$IPC_RMID(r1, 0x0) shmat(r1, &(0x7f0000ffd000/0x3000)=nil, 0x2000) 21:19:51 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000010200000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 632.363646][T21065] loop1: detected capacity change from 0 to 4 [ 632.384972][T21070] loop4: detected capacity change from 0 to 4 [ 632.394883][T21065] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) 21:19:51 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000018f0f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 632.422755][T21070] EXT4-fs (loop4): Invalid log block size: 63 [ 632.430936][T21078] loop2: detected capacity change from 0 to 11 [ 632.438618][T21078] FAT-fs (loop2): bogus number of reserved sectors [ 632.440725][T21077] loop3: detected capacity change from 0 to 4 [ 632.445154][T21078] FAT-fs (loop2): Can't find a valid FAT filesystem [ 632.459425][T21082] loop0: detected capacity change from 0 to 512 [ 632.459918][T21065] loop1: detected capacity change from 0 to 4 [ 632.478355][T21077] EXT4-fs (loop3): Can't read superblock on 2nd try [ 632.486036][T21081] loop5: detected capacity change from 0 to 4 [ 632.487110][T21082] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 632.501851][T21082] EXT4-fs (loop0): group descriptors corrupted! [ 632.502211][T21081] EXT4-fs (loop5): Can't read superblock on 2nd try [ 632.511708][T21065] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 632.523287][T21070] loop4: detected capacity change from 0 to 4 [ 632.537884][T21082] loop0: detected capacity change from 0 to 512 [ 632.545547][T21082] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 632.555314][T21082] EXT4-fs (loop0): group descriptors corrupted! [ 632.564641][T21070] EXT4-fs (loop4): Invalid log block size: 63 21:19:51 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x68, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:51 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300001920f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:19:51 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000006400000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:51 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='uid=', @ANYRESHEX=0x0, @ANYBLOB="2c6e6f646f74732c006cab01c88975701be2347893f03f75a6a456b5835f3b907580cf440a47358a"]) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 632.583905][T21077] loop3: detected capacity change from 0 to 4 [ 632.598795][T21077] EXT4-fs (loop3): Can't read superblock on 2nd try [ 632.607811][T21103] loop1: detected capacity change from 0 to 4 [ 632.628376][T21103] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 632.639012][T21110] loop0: detected capacity change from 0 to 512 [ 632.646209][T21112] loop2: detected capacity change from 0 to 11 [ 632.651349][T21113] loop4: detected capacity change from 0 to 4 [ 632.658551][T21081] loop5: detected capacity change from 0 to 4 [ 632.669882][T21112] FAT-fs (loop2): bogus number of reserved sectors [ 632.676400][T21112] FAT-fs (loop2): Can't find a valid FAT filesystem 21:19:51 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000020000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 632.683317][T21113] EXT4-fs (loop4): Invalid log block size: 100 [ 632.690648][T21103] loop1: detected capacity change from 0 to 4 [ 632.696949][T21110] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 632.706685][T21110] EXT4-fs (loop0): group descriptors corrupted! [ 632.717446][T21103] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 632.725609][T21081] EXT4-fs (loop5): Can't read superblock on 2nd try 21:19:52 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000004020000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:52 executing program 2: prctl$PR_GET_SPECULATION_CTRL(0x34, 0x0, 0x1) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 632.728029][T21127] loop3: detected capacity change from 0 to 4 [ 632.740445][T21127] EXT4-fs (loop3): Can't read superblock on 2nd try [ 632.771006][T21113] loop4: detected capacity change from 0 to 4 21:19:52 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x6c, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:52 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000220000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 632.795251][T21110] loop0: detected capacity change from 0 to 512 [ 632.798882][T21113] EXT4-fs (loop4): Invalid log block size: 100 [ 632.833397][T21140] loop1: detected capacity change from 0 to 4 [ 632.838028][T21143] loop3: detected capacity change from 0 to 4 21:19:52 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f00000000ffffffff00000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 632.845686][T21140] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 632.853955][T21142] loop2: detected capacity change from 0 to 11 [ 632.853985][T21145] loop5: detected capacity change from 0 to 4 [ 632.867369][T21110] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 632.872623][T21142] FAT-fs (loop2): bogus number of reserved sectors [ 632.877121][T21110] EXT4-fs (loop0): group descriptors corrupted! 21:19:52 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000030000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 632.883732][T21142] FAT-fs (loop2): Can't find a valid FAT filesystem [ 632.897646][T21143] EXT4-fs (loop3): Can't read superblock on 2nd try [ 632.903238][T21153] loop4: detected capacity change from 0 to 4 [ 632.917490][T21153] EXT4-fs (loop4): Invalid log block size: 255 [ 632.936891][T21145] EXT4-fs (loop5): Can't read superblock on 2nd try [ 632.948637][T21140] loop1: detected capacity change from 0 to 4 [ 632.959334][T21140] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 632.973381][T21153] loop4: detected capacity change from 0 to 4 [ 632.976476][T21164] loop3: detected capacity change from 0 to 4 [ 632.987339][T21164] EXT4-fs (loop3): Can't read superblock on 2nd try 21:19:52 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300001f80f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:19:52 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000040000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:52 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x74, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 632.996311][T21158] loop2: detected capacity change from 0 to 11 [ 633.007212][T21145] loop5: detected capacity change from 0 to 4 [ 633.014867][T21153] EXT4-fs (loop4): Invalid log block size: 255 [ 633.026864][T21145] EXT4-fs (loop5): Can't read superblock on 2nd try [ 633.035912][T21158] FAT-fs (loop2): bogus number of reserved sectors [ 633.037991][T21176] loop3: detected capacity change from 0 to 4 [ 633.042442][T21158] FAT-fs (loop2): Can't find a valid FAT filesystem [ 633.057669][T21181] loop0: detected capacity change from 0 to 512 [ 633.066201][T21176] EXT4-fs (loop3): Can't read superblock on 2nd try [ 633.070807][T21185] loop1: detected capacity change from 0 to 4 [ 633.073394][T21181] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 633.088644][T21181] EXT4-fs (loop0): group descriptors corrupted! 21:19:52 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000200000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:52 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) ioctl$EXT4_IOC_MOVE_EXT(0xffffffffffffffff, 0xc028660f, &(0x7f0000000000)={0x0, r0, 0x200000, 0x8, 0x400, 0x5}) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:19:52 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000250000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 633.095503][T21185] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 633.111257][T21192] loop4: detected capacity change from 0 to 4 [ 633.129573][T21176] loop3: detected capacity change from 0 to 4 [ 633.135853][T21185] loop1: detected capacity change from 0 to 4 [ 633.144782][T21181] loop0: detected capacity change from 0 to 512 [ 633.146951][T21201] loop2: detected capacity change from 0 to 11 [ 633.157226][T21192] EXT4-fs (loop4): Can't read superblock on 2nd try [ 633.158115][T21201] FAT-fs (loop2): bogus number of reserved sectors [ 633.170363][T21201] FAT-fs (loop2): Can't find a valid FAT filesystem [ 633.177619][T21203] loop5: detected capacity change from 0 to 4 [ 633.184097][T21185] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 633.192405][T21176] EXT4-fs (loop3): Can't read superblock on 2nd try 21:19:52 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) r1 = syz_io_uring_complete(0x0) mmap(&(0x7f0000ffc000/0x4000)=nil, 0x4000, 0x3000006, 0x11, r1, 0x803f9000) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x47, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)=ANY=[@ANYBLOB]) syz_io_uring_setup(0x6f96, &(0x7f0000000000)={0x0, 0x5f40, 0x8, 0x2, 0x1e, 0x0, r1}, &(0x7f0000003000/0x2000)=nil, &(0x7f0000ffb000/0x2000)=nil, &(0x7f0000000080)=0x0, &(0x7f00000000c0)) r3 = socket$unix(0x1, 0x3, 0x0) connect(r3, &(0x7f0000931ff4)=@un=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0xc) r4 = io_uring_register$IORING_REGISTER_PERSONALITY(r1, 0x9, 0x0, 0x0) syz_io_uring_submit(r2, 0x0, &(0x7f0000002640)=@IORING_OP_RECVMSG={0xa, 0x1, 0x0, r3, 0x0, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000002540)=[{&(0x7f0000000240)=""/252, 0xfc}, {&(0x7f00000003c0)=""/4096, 0x1000}, {&(0x7f0000000140)=""/78, 0x4e}, {&(0x7f00000013c0)=""/4096, 0x1000}, {&(0x7f00000023c0)=""/227, 0xe3}, {&(0x7f00000024c0)=""/89, 0x59}], 0x6, &(0x7f00000025c0)=""/118, 0x76}, 0x0, 0x20, 0x0, {0x0, r4}}, 0x1) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:19:52 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000050000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 633.195248][T21181] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 633.208748][T21181] EXT4-fs (loop0): group descriptors corrupted! [ 633.218892][T21203] EXT4-fs (loop5): Can't read superblock on 2nd try [ 633.233595][T21192] loop4: detected capacity change from 0 to 4 21:19:52 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x7a, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:52 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000fffe0f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 633.259695][T21192] EXT4-fs (loop4): Can't read superblock on 2nd try [ 633.275197][T21224] loop3: detected capacity change from 0 to 4 [ 633.283553][T21203] loop5: detected capacity change from 0 to 4 [ 633.284079][T21224] EXT4-fs (loop3): Can't read superblock on 2nd try 21:19:52 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000300000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 633.307620][T21203] EXT4-fs (loop5): Can't read superblock on 2nd try [ 633.327099][T21226] loop1: detected capacity change from 0 to 4 [ 633.343030][T21232] loop0: detected capacity change from 0 to 512 [ 633.348471][T21233] loop2: detected capacity change from 0 to 11 [ 633.354828][T21232] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 633.358964][T21234] loop4: detected capacity change from 0 to 4 [ 633.365176][T21232] EXT4-fs (loop0): group descriptors corrupted! [ 633.366838][T21226] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 633.391824][T21224] loop3: detected capacity change from 0 to 4 [ 633.401497][T21224] EXT4-fs (loop3): Can't read superblock on 2nd try 21:19:52 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f00000c280000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:52 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) r1 = dup3(r0, r0, 0x0) r2 = socket$unix(0x1, 0x3, 0x0) connect(r2, &(0x7f0000931ff4)=@un=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0xc) dup3(r1, r2, 0x80000) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x0, &(0x7f0000000380), 0x0, &(0x7f0000000400)={[{@nodots}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) r3 = shmget$private(0x0, 0x2000, 0x54001800, &(0x7f0000b49000/0x2000)=nil) shmat(r3, &(0x7f0000000000/0x4000)=nil, 0xffffffffffffdfff) shmctl$IPC_RMID(r3, 0x0) shmat(r3, &(0x7f0000ffd000/0x3000)=nil, 0x6000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 633.406057][T21233] FAT-fs (loop2): bogus number of reserved sectors [ 633.414593][T21233] FAT-fs (loop2): Can't find a valid FAT filesystem [ 633.423690][T21234] EXT4-fs (loop4): Can't read superblock on 2nd try [ 633.430915][T21226] loop1: detected capacity change from 0 to 4 [ 633.442395][T21226] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) 21:19:52 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="20000000400000000300000030000fff0f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:19:52 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000060000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 633.474011][T21234] loop4: detected capacity change from 0 to 4 [ 633.482661][T21249] loop5: detected capacity change from 0 to 4 [ 633.491823][T21234] EXT4-fs (loop4): Can't read superblock on 2nd try [ 633.501790][T21257] FAT-fs (loop2): bogus number of reserved sectors [ 633.508329][T21249] EXT4-fs (loop5): Can't read superblock on 2nd try [ 633.508330][T21257] FAT-fs (loop2): Can't find a valid FAT filesystem [ 633.521979][T21260] loop0: detected capacity change from 0 to 512 [ 633.523931][T21263] loop3: detected capacity change from 0 to 4 [ 633.534471][T21260] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 633.544293][T21260] EXT4-fs (loop0): group descriptors corrupted! [ 633.544948][T21263] EXT4-fs (loop3): Can't read superblock on 2nd try 21:19:52 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0xfe, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:52 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000400000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 633.579308][T21249] loop5: detected capacity change from 0 to 4 [ 633.591884][T21263] loop3: detected capacity change from 0 to 4 [ 633.599619][T21263] EXT4-fs (loop3): Can't read superblock on 2nd try [ 633.608305][T21260] loop0: detected capacity change from 0 to 512 [ 633.614778][T21249] EXT4-fs (loop5): Can't read superblock on 2nd try 21:19:52 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) mount$bind(&(0x7f0000000000)='./file1\x00', &(0x7f0000000040)='./file0\x00', &(0x7f0000000080), 0x3004, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:19:52 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000004060000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 633.621940][T21260] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 633.629838][T21278] loop1: detected capacity change from 0 to 4 [ 633.631677][T21260] EXT4-fs (loop0): group descriptors corrupted! [ 633.645441][T21278] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 633.656724][T21284] loop4: detected capacity change from 0 to 4 [ 633.671452][T21284] EXT4-fs (loop4): Can't read superblock on 2nd try 21:19:52 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000feff0f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:19:53 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f0000002e0000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 633.675800][T21288] loop3: detected capacity change from 0 to 4 [ 633.685274][T21288] EXT4-fs (loop3): Can't read superblock on 2nd try [ 633.700336][T21284] loop4: detected capacity change from 0 to 4 [ 633.710202][T21288] loop3: detected capacity change from 0 to 4 21:19:53 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x204, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:53 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000500000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 633.736474][T21284] EXT4-fs (loop4): Can't read superblock on 2nd try [ 633.749694][T21288] EXT4-fs (loop3): Can't read superblock on 2nd try [ 633.752775][T21304] loop0: detected capacity change from 0 to 512 [ 633.767943][T21303] loop5: detected capacity change from 0 to 4 [ 633.775279][T21307] loop2: detected capacity change from 0 to 11 21:19:53 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000070000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 633.786955][T21309] loop1: detected capacity change from 0 to 4 [ 633.799724][T21304] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 633.809507][T21304] EXT4-fs (loop0): group descriptors corrupted! [ 633.813529][T21307] FAT-fs (loop2): bogus number of reserved sectors [ 633.822305][T21307] FAT-fs (loop2): Can't find a valid FAT filesystem [ 633.828776][T21316] loop4: detected capacity change from 0 to 4 [ 633.838253][T21309] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 633.848410][T21316] EXT4-fs (loop4): Can't read superblock on 2nd try [ 633.856138][T21303] EXT4-fs (loop5): Can't read superblock on 2nd try [ 633.869726][T21309] loop1: detected capacity change from 0 to 4 [ 633.876174][T21304] loop0: detected capacity change from 0 to 512 21:19:53 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f0000003f0000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 633.884839][T21316] loop4: detected capacity change from 0 to 4 [ 633.884900][T21309] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 633.894306][T21307] loop2: detected capacity change from 0 to 11 [ 633.905456][T21304] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 633.915213][T21304] EXT4-fs (loop0): group descriptors corrupted! [ 633.922271][T21316] EXT4-fs (loop4): Can't read superblock on 2nd try [ 633.929747][T21323] loop3: detected capacity change from 0 to 4 21:19:53 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) r1 = shmget$private(0x0, 0x400000, 0x0, &(0x7f000000e000/0x400000)=nil) shmat(r1, &(0x7f0000000000/0x13000)=nil, 0x4000) shmctl$IPC_RMID(r1, 0x0) shmctl$SHM_UNLOCK(r1, 0xc) 21:19:53 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000600000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:53 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000003000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 633.936885][T21323] EXT4-fs (loop3): Can't read superblock on 2nd try [ 633.950950][T21338] loop5: detected capacity change from 0 to 4 [ 633.963095][T21338] EXT4-fs (loop5): Can't read superblock on 2nd try [ 633.980538][T21323] loop3: detected capacity change from 0 to 4 21:19:53 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x300, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 633.999424][T21323] EXT4-fs (loop3): Can't read superblock on 2nd try [ 634.006615][T21349] loop4: detected capacity change from 0 to 4 [ 634.006701][T21347] loop0: detected capacity change from 0 to 512 [ 634.007132][ C0] ================================================================== [ 634.007150][ C0] BUG: KCSAN: data-race in data_push_tail / number [ 634.007157][ C0] [ 634.007162][ C0] write to 0xffffffff8414a2b4 of 1 bytes by task 21347 on cpu 1: [ 634.007169][ C0] number+0x836/0xb50 21:19:53 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000080000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 634.007174][ C0] vsnprintf+0xb6d/0xed0 [ 634.007179][ C0] vscnprintf+0x29/0x80 [ 634.007185][ C0] vprintk_store+0x4c1/0x9c0 [ 634.007190][ C0] vprintk_emit+0xca/0x3d0 [ 634.007194][ C0] vprintk_default+0x22/0x30 [ 634.007198][ C0] vprintk+0x15a/0x170 [ 634.007203][ C0] printk+0x62/0x87 [ 634.007207][ C0] set_capacity_and_notify+0x15a/0x1c0 [ 634.007212][ C0] loop_configure+0xc8e/0xeb0 [ 634.007216][ C0] lo_ioctl+0x59b/0x1340 [ 634.007220][ C0] blkdev_ioctl+0x1d0/0x3c0 [ 634.007224][ C0] block_ioctl+0x6d/0x80 [ 634.007228][ C0] __se_sys_ioctl+0xcb/0x140 [ 634.007233][ C0] __x64_sys_ioctl+0x3f/0x50 [ 634.007237][ C0] do_syscall_64+0x3d/0x90 [ 634.007242][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 634.007246][ C0] [ 634.007260][ C0] read to 0xffffffff8414a2b0 of 8 bytes by task 21349 on cpu 0: [ 634.007267][ C0] data_push_tail+0x125/0x460 [ 634.007272][ C0] data_alloc+0xbc/0x2b0 [ 634.007277][ C0] prb_reserve+0x8f0/0xbc0 [ 634.007282][ C0] vprintk_store+0x3e9/0x9c0 [ 634.007288][ C0] vprintk_emit+0xca/0x3d0 [ 634.007293][ C0] vprintk_default+0x22/0x30 [ 634.007298][ C0] vprintk+0x15a/0x170 [ 634.007303][ C0] printk+0x62/0x87 [ 634.007308][ C0] set_capacity_and_notify+0x15a/0x1c0 [ 634.007314][ C0] loop_configure+0xc8e/0xeb0 [ 634.007326][ C0] lo_ioctl+0x59b/0x1340 [ 634.007331][ C0] blkdev_ioctl+0x1d0/0x3c0 [ 634.007336][ C0] block_ioctl+0x6d/0x80 [ 634.007341][ C0] __se_sys_ioctl+0xcb/0x140 [ 634.007346][ C0] __x64_sys_ioctl+0x3f/0x50 [ 634.007351][ C0] do_syscall_64+0x3d/0x90 [ 634.007355][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 634.007360][ C0] [ 634.007364][ C0] value changed: 0x0000000100006399 -> 0x0a3231323135206f [ 634.007369][ C0] [ 634.007372][ C0] Reported by Kernel Concurrency Sanitizer on: [ 634.007399][ C0] CPU: 0 PID: 21349 Comm: syz-executor.4 Not tainted 5.14.0-rc4-syzkaller #0 [ 634.007407][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 634.007415][ C0] ================================================================== [ 634.022521][T21351] loop1: detected capacity change from 0 to 4 [ 634.037168][T21347] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 634.048285][T21349] EXT4-fs (loop4): Can't read superblock on 2nd try [ 634.052497][T21347] EXT4-fs (loop0): group descriptors corrupted! [ 634.062518][T21356] loop2: detected capacity change from 0 to 11 [ 634.070583][T21351] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 634.082946][T21338] loop5: detected capacity change from 0 to 4 [ 634.094545][T21356] FAT-fs (loop2): bogus number of reserved sectors [ 634.113940][T21347] loop0: detected capacity change from 0 to 512 [ 634.114771][T21356] FAT-fs (loop2): Can't find a valid FAT filesystem [ 634.124453][T21338] EXT4-fs (loop5): Can't read superblock on 2nd try [ 634.132416][T21347] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 634.142216][T21367] loop3: detected capacity change from 0 to 4 [ 634.143930][T21347] EXT4-fs (loop0): group descriptors corrupted! 21:19:53 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000400000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 634.356036][T21351] loop1: detected capacity change from 0 to 4 [ 634.363194][T21367] EXT4-fs (loop3): Can't read superblock on 2nd try [ 634.363417][T21349] loop4: detected capacity change from 0 to 4 [ 634.379793][T21351] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 634.399135][T21349] EXT4-fs (loop4): Can't read superblock on 2nd try 21:19:53 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000005000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:19:53 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x402, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:53 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000040)='/sys/module/snd', 0x200, 0x2) syncfs(r1) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:19:53 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000700000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 634.406905][T21382] loop5: detected capacity change from 0 to 4 [ 634.414404][T21382] EXT4-fs (loop5): Can't read superblock on 2nd try [ 634.425336][T21367] loop3: detected capacity change from 0 to 4 [ 634.440880][T21367] EXT4-fs (loop3): Can't read superblock on 2nd try [ 634.458905][T21391] loop0: detected capacity change from 0 to 512 [ 634.467853][T21396] loop1: detected capacity change from 0 to 4 [ 634.471496][T21382] loop5: detected capacity change from 0 to 4 [ 634.480439][T21391] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 634.490178][T21391] EXT4-fs (loop0): group descriptors corrupted! [ 634.496139][T21399] loop4: detected capacity change from 0 to 4 21:19:53 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000090000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 634.503238][T21382] EXT4-fs (loop5): Can't read superblock on 2nd try [ 634.513866][T21399] EXT4-fs (loop4): Can't read superblock on 2nd try [ 634.522926][T21396] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 634.531741][T21391] loop0: detected capacity change from 0 to 512 [ 634.538736][T21391] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 634.546191][T21411] loop3: detected capacity change from 0 to 4 21:19:53 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) r1 = syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)=ANY=[@ANYBLOB='uid=', @ANYRESHEX=0x0, @ANYBLOB="2c6eb0073dc9822b07"]) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) fsetxattr$trusted_overlay_opaque(r1, &(0x7f0000000000), &(0x7f0000000040), 0x2, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) r2 = socket$unix(0x1, 0x3, 0x0) connect(r2, &(0x7f0000931ff4)=@un=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0xc) sendfile(r2, r0, &(0x7f0000000080)=0x2, 0x40) 21:19:53 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000006000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 634.548565][T21391] EXT4-fs (loop0): group descriptors corrupted! [ 634.566679][T21411] EXT4-fs (loop3): Can't read superblock on 2nd try [ 634.570499][T21415] loop2: detected capacity change from 0 to 11 [ 634.581250][T21415] FAT-fs (loop2): Unrecognized mount option "n=ɂ+" or missing value [ 634.591342][T21396] loop1: detected capacity change from 0 to 4 [ 634.598353][T21396] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) 21:19:53 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000800400000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 634.598749][T21399] loop4: detected capacity change from 0 to 4 [ 634.614685][T21399] EXT4-fs (loop4): Can't read superblock on 2nd try [ 634.621552][T21411] loop3: detected capacity change from 0 to 4 [ 634.633537][T21411] EXT4-fs (loop3): Can't read superblock on 2nd try [ 634.644835][T21427] loop0: detected capacity change from 0 to 512 21:19:53 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000800000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 634.658222][T21415] loop2: detected capacity change from 0 to 11 [ 634.665942][T21415] FAT-fs (loop2): Unrecognized mount option "n=ɂ+" or missing value [ 634.677799][T21435] loop5: detected capacity change from 0 to 4 [ 634.680877][T21427] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 634.692633][T21441] loop4: detected capacity change from 0 to 4 [ 634.693581][T21427] EXT4-fs (loop0): group descriptors corrupted! 21:19:54 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x406, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:54 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000007000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 634.705875][T21435] EXT4-fs (loop5): Can't read superblock on 2nd try [ 634.720347][T21441] EXT4-fs (loop4): Can't read superblock on 2nd try 21:19:54 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f0000000a0000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:54 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="753e64439037c2a1ebc5f57650db1a7934ebb71969", @ANYRESHEX=0x0, @ANYBLOB=',nodots,\x00']) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 634.762991][T21450] loop1: detected capacity change from 0 to 4 [ 634.798171][T21435] loop5: detected capacity change from 0 to 4 [ 634.799591][T21441] loop4: detected capacity change from 0 to 4 [ 634.812132][T21450] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 634.818067][T21460] loop0: detected capacity change from 0 to 512 [ 634.820815][T21461] loop3: detected capacity change from 0 to 4 [ 634.827185][T21435] EXT4-fs (loop5): Can't read superblock on 2nd try [ 634.833492][T21441] EXT4-fs (loop4): Can't read superblock on 2nd try [ 634.848775][T21461] EXT4-fs (loop3): Can't read superblock on 2nd try 21:19:54 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000900000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 634.869224][T21460] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 634.879066][T21460] EXT4-fs (loop0): group descriptors corrupted! [ 634.882444][T21450] loop1: detected capacity change from 0 to 4 [ 634.885819][T21464] loop2: detected capacity change from 0 to 11 [ 634.898163][T21450] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 634.900829][T21461] loop3: detected capacity change from 0 to 4 [ 634.915730][T21464] FAT-fs (loop2): Unrecognized mount option "u>dC7¡vPy4i0x0000000000000000" or missing value [ 634.933939][T21461] EXT4-fs (loop3): Can't read superblock on 2nd try [ 634.958746][T21478] loop4: detected capacity change from 0 to 4 21:19:54 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000480000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:54 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f0000000b0000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 634.973645][T21460] loop0: detected capacity change from 0 to 512 [ 634.986055][T21482] loop5: detected capacity change from 0 to 4 [ 634.995709][T21460] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 635.005456][T21460] EXT4-fs (loop0): group descriptors corrupted! 21:19:54 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x410, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:54 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000009000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 635.022939][T21478] EXT4-fs (loop4): Can't read superblock on 2nd try [ 635.040444][T21482] EXT4-fs (loop5): Can't read superblock on 2nd try [ 635.041094][T21464] loop2: detected capacity change from 0 to 2176 [ 635.079500][T21499] loop1: detected capacity change from 0 to 4 [ 635.080460][T21496] loop3: detected capacity change from 0 to 4 [ 635.092179][T21499] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 635.096958][T21501] loop0: detected capacity change from 0 to 512 [ 635.106940][T21496] EXT4-fs (loop3): Can't read superblock on 2nd try [ 635.123409][T21478] loop4: detected capacity change from 0 to 4 21:19:54 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) r1 = shmget$private(0x0, 0x2000, 0x54001800, &(0x7f0000b49000/0x2000)=nil) shmat(r1, &(0x7f0000000000/0x4000)=nil, 0xffffffffffffdfff) shmctl$IPC_RMID(r1, 0x0) shmat(r1, &(0x7f0000000000/0x4000)=nil, 0x4000) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 635.126060][T21482] loop5: detected capacity change from 0 to 4 [ 635.129731][T21501] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 635.145321][T21501] EXT4-fs (loop0): group descriptors corrupted! [ 635.154393][T21482] EXT4-fs (loop5): Can't read superblock on 2nd try [ 635.157524][T21496] loop3: detected capacity change from 0 to 4 [ 635.168989][T21499] loop1: detected capacity change from 0 to 4 21:19:54 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f0000000c0000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 635.181478][T21478] EXT4-fs (loop4): Can't read superblock on 2nd try [ 635.190002][T21496] EXT4-fs (loop3): Can't read superblock on 2nd try [ 635.195797][T21499] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 635.216948][T21501] loop0: detected capacity change from 0 to 512 21:19:54 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f0000004c0000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:54 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x500, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 635.240531][T21501] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 635.250293][T21501] EXT4-fs (loop0): group descriptors corrupted! [ 635.265974][T21524] loop3: detected capacity change from 0 to 4 [ 635.275447][T21527] loop5: detected capacity change from 0 to 4 21:19:54 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000a00000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 635.299554][T21524] EXT4-fs (loop3): Can't read superblock on 2nd try [ 635.309520][T21530] loop2: detected capacity change from 0 to 11 [ 635.327135][T21532] loop1: detected capacity change from 0 to 4 [ 635.334666][T21527] EXT4-fs (loop5): Can't read superblock on 2nd try [ 635.335790][T21530] FAT-fs (loop2): bogus number of reserved sectors 21:19:54 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000600000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 635.347748][T21530] FAT-fs (loop2): Can't find a valid FAT filesystem [ 635.348116][T21535] loop4: detected capacity change from 0 to 4 [ 635.374952][T21532] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 635.387086][T21535] EXT4-fs (loop4): Can't read superblock on 2nd try [ 635.392125][T21542] loop5: detected capacity change from 0 to 4 21:19:54 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000a000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 635.400160][T21524] loop3: detected capacity change from 0 to 4 [ 635.406793][T21524] EXT4-fs (loop3): Can't read superblock on 2nd try [ 635.416896][T21542] EXT4-fs (loop5): Can't read superblock on 2nd try [ 635.428569][T21532] loop1: detected capacity change from 0 to 4 [ 635.435227][T21535] loop4: detected capacity change from 0 to 4 21:19:54 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) newfstatat(0xffffffffffffff9c, &(0x7f0000000180)='./file0\x00', &(0x7f00000002c0)={0x0, 0x0, 0x0, 0x0, 0x0}, 0x1000) clock_gettime(0x0, &(0x7f0000001740)={0x0, 0x0}) recvmmsg$unix(r0, &(0x7f00000003c0)=[{{&(0x7f0000001440), 0x6e, &(0x7f0000000340)=[{&(0x7f00000014c0)=""/127, 0x7f}, {&(0x7f0000001540)=""/74, 0x4a}, {&(0x7f00000015c0)=""/162, 0xa2}], 0x3, &(0x7f0000001680)=[@cred={{0x1c}}, @cred={{0x1c}}, @cred={{0x1c}}, @cred={{0x1c}}, @cred={{0x1c, 0x1, 0x2, {0x0, 0x0}}}], 0xa0}}], 0x1, 0x201, &(0x7f0000001780)={r2, r3+10000000}) syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x9, 0x4, &(0x7f0000000240)=[{&(0x7f0000000440)="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", 0x1000, 0x7}, {&(0x7f0000000080)="ef0f35eeb70e42ece9adb3eef46661ae1b79fa597ca8bbece4ca307083dc5e64bf017866930fb930b63911c0c0606917", 0x30, 0xffff}, {&(0x7f00000000c0)="c7b61fde5155f85d283b271f6cd8ae0aa00f23ccd548b9d35645095844da246b1b32cc342773a730363d14fd5119", 0x2e, 0x7}, {&(0x7f0000000140)="63011d04b8fdc61f4a852825ddbcd822bfd298b0a1df750753ca1d08aca3cbed250c7284e42721db31da68e8839aae321e57dc52014ae451d8", 0x39}], 0x30040, &(0x7f00000017c0)={[{@gid={'gid', 0x3d, 0xffffffffffffffff}}, {@uid={'uid', 0x3d, r1}}, {@nr_inodes={'nr_inodes', 0x3d, [0xd6c24cf961156196]}}, {@huge_never}, {@huge_never}], [{@dont_appraise}, {@defcontext={'defcontext', 0x3d, 'sysadm_u'}}, {@dont_appraise}, {@obj_role={'obj_role', 0x3d, 'nodots'}}, {@dont_appraise}, {@obj_type={'obj_type', 0x3d, 'uid'}}, {@subj_user}, {@fsuuid={'fsuuid', 0x3d, {[0x0, 0x4c2e273ae62a5abc, 0x36, 0x35, 0x31, 0x37, 0x66, 0x31], 0x2d, [0x61, 0x36, 0x31, 0x30], 0x2d, [0x61, 0x66, 0x61, 0x33], 0x2d, [0x64, 0x61, 0x36, 0x35], 0x2d, [0x61, 0x62, 0x36, 0x62, 0x34, 0x65, 0x30, 0x33]}}}, {@euid_eq={'euid', 0x3d, r4}}]}) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:19:54 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f0000000d0000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 635.444190][T21532] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 635.452933][T21535] EXT4-fs (loop4): Can't read superblock on 2nd try [ 635.469687][T21558] loop0: detected capacity change from 0 to 512 [ 635.477250][T21560] loop2: detected capacity change from 0 to 11 [ 635.477477][T21561] loop3: detected capacity change from 0 to 4 [ 635.484190][T21558] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock 21:19:54 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x600, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 635.499268][T21558] EXT4-fs (loop0): group descriptors corrupted! [ 635.499344][T21561] EXT4-fs (loop3): Can't read superblock on 2nd try [ 635.505575][T21560] FAT-fs (loop2): bogus number of reserved sectors [ 635.518658][T21560] FAT-fs (loop2): Can't find a valid FAT filesystem [ 635.529598][T21542] loop5: detected capacity change from 0 to 4 21:19:54 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000b00000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 635.545883][T21542] EXT4-fs (loop5): Can't read superblock on 2nd try [ 635.558429][T21573] loop1: detected capacity change from 0 to 4 [ 635.566925][T21561] loop3: detected capacity change from 0 to 4 [ 635.571937][T21558] loop0: detected capacity change from 0 to 512 [ 635.579892][T21561] EXT4-fs (loop3): Can't read superblock on 2nd try [ 635.588232][T21577] loop4: detected capacity change from 0 to 4 21:19:54 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000680000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:54 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f0000000e0000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 635.588690][T21573] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 635.605767][T21558] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 635.615522][T21558] EXT4-fs (loop0): group descriptors corrupted! [ 635.626472][T21560] loop2: detected capacity change from 0 to 255 [ 635.639056][T21577] EXT4-fs (loop4): Can't read superblock on 2nd try [ 635.653390][T21589] loop5: detected capacity change from 0 to 4 [ 635.659693][T21560] loop2: detected capacity change from 0 to 11 [ 635.667550][T21589] EXT4-fs (loop5): Can't read superblock on 2nd try [ 635.678463][T21597] loop3: detected capacity change from 0 to 4 [ 635.686238][T21597] EXT4-fs (loop3): Can't read superblock on 2nd try 21:19:54 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000b000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:19:55 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)=ANY=[@ANYBLOB='uid=', @ANYRESHEX=0x0, @ANYBLOB='\x00 \x00\x00\x00\x00\x00\x00\x00']) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) open(&(0x7f0000000000)='./file0\x00', 0x440040, 0x28) [ 635.701289][T21573] loop1: detected capacity change from 0 to 4 [ 635.708715][T21577] loop4: detected capacity change from 0 to 4 [ 635.711357][T21589] loop5: detected capacity change from 0 to 4 [ 635.721670][T21577] EXT4-fs (loop4): Can't read superblock on 2nd try [ 635.728297][T21573] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 635.734364][T21606] loop0: detected capacity change from 0 to 512 [ 635.738686][T21597] loop3: detected capacity change from 0 to 4 21:19:55 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000c00000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 635.748748][T21589] EXT4-fs (loop5): Can't read superblock on 2nd try [ 635.749715][T21597] EXT4-fs (loop3): Can't read superblock on 2nd try [ 635.765576][T21606] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 635.775426][T21606] EXT4-fs (loop0): group descriptors corrupted! 21:19:55 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x604, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:55 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f0000006c0000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:55 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f0000000f0000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 635.838186][T21622] loop4: detected capacity change from 0 to 4 [ 635.846696][T21606] loop0: detected capacity change from 0 to 512 [ 635.855716][T21606] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 635.865491][T21606] EXT4-fs (loop0): group descriptors corrupted! [ 635.871239][T21628] loop5: detected capacity change from 0 to 4 [ 635.878998][T21625] loop2: detected capacity change from 0 to 11 [ 635.879361][T21622] EXT4-fs (loop4): Can't read superblock on 2nd try [ 635.889273][T21630] loop1: detected capacity change from 0 to 4 [ 635.898621][T21625] FAT-fs (loop2): bogus number of reserved sectors [ 635.900704][T21633] loop3: detected capacity change from 0 to 4 [ 635.905146][T21625] FAT-fs (loop2): Can't find a valid FAT filesystem [ 635.917880][T21633] EXT4-fs (loop3): Can't read superblock on 2nd try [ 635.929523][T21628] EXT4-fs (loop5): Can't read superblock on 2nd try 21:19:55 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000c000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 635.929542][T21630] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 635.960298][T21622] loop4: detected capacity change from 0 to 4 [ 635.965246][T21625] loop2: detected capacity change from 0 to 11 [ 635.966945][T21622] EXT4-fs (loop4): Can't read superblock on 2nd try 21:19:55 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000d00000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 635.989431][T21628] loop5: detected capacity change from 0 to 4 [ 635.998388][T21633] loop3: detected capacity change from 0 to 4 [ 636.005880][T21628] EXT4-fs (loop5): Can't read superblock on 2nd try [ 636.012088][T21652] loop0: detected capacity change from 0 to 512 [ 636.023359][T21652] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 636.033104][T21652] EXT4-fs (loop0): group descriptors corrupted! 21:19:55 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='uid=', @ANYRESHEX=0x0, @ANYBLOB="2c6e6f646fc70c12896af9bed34bbbba4b7110cb4e74732c00"]) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:19:55 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000002710000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 636.039997][T21630] loop1: detected capacity change from 0 to 4 [ 636.041462][T21656] loop4: detected capacity change from 0 to 4 [ 636.046350][T21633] EXT4-fs (loop3): Can't read superblock on 2nd try [ 636.055351][T21656] EXT4-fs (loop4): Can't read superblock on 2nd try [ 636.066234][T21630] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) 21:19:55 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000100000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 636.087193][T21662] loop5: detected capacity change from 0 to 4 [ 636.094633][T21652] loop0: detected capacity change from 0 to 512 [ 636.095077][T21662] EXT4-fs (loop5): Can't read superblock on 2nd try [ 636.109944][T21656] loop4: detected capacity change from 0 to 4 [ 636.123372][T21652] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 636.133125][T21652] EXT4-fs (loop0): group descriptors corrupted! 21:19:55 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x700, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:55 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000d000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 636.168329][T21675] loop2: detected capacity change from 0 to 11 [ 636.175178][T21676] loop3: detected capacity change from 0 to 4 [ 636.178204][T21656] EXT4-fs (loop4): Can't read superblock on 2nd try [ 636.185258][T21675] FAT-fs (loop2): Unrecognized mount option "nodo jKKqNts" or missing value [ 636.211013][T21676] EXT4-fs (loop3): Can't read superblock on 2nd try 21:19:55 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000e00000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 636.233482][T21684] loop1: detected capacity change from 0 to 4 [ 636.237566][T21662] loop5: detected capacity change from 0 to 4 [ 636.247494][T21676] loop3: detected capacity change from 0 to 4 [ 636.264730][T21662] EXT4-fs (loop5): Can't read superblock on 2nd try [ 636.271359][T21684] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) 21:19:55 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) r1 = shmget(0x3, 0x2000, 0x4, &(0x7f0000ffe000/0x2000)=nil) shmctl$IPC_RMID(r1, 0x0) 21:19:55 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000002720000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 636.280738][T21676] EXT4-fs (loop3): Can't read superblock on 2nd try [ 636.303620][T21695] loop2: detected capacity change from 0 to 11 [ 636.308977][T21696] loop0: detected capacity change from 0 to 512 [ 636.311302][T21695] FAT-fs (loop2): bogus number of reserved sectors [ 636.322543][T21695] FAT-fs (loop2): Can't find a valid FAT filesystem 21:19:55 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000004100000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:55 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)=ANY=[@ANYBLOB='uid=', @ANYRESHEX=0x0, @ANYBLOB="2c6e6f646f7473b40b"]) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 636.343081][T21684] loop1: detected capacity change from 0 to 4 [ 636.353484][T21696] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 636.363288][T21696] EXT4-fs (loop0): group descriptors corrupted! [ 636.377895][T21708] loop4: detected capacity change from 0 to 4 [ 636.393650][T21712] loop5: detected capacity change from 0 to 4 [ 636.395528][T21714] loop3: detected capacity change from 0 to 4 [ 636.406222][T21684] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 636.417367][T21708] EXT4-fs (loop4): Can't read superblock on 2nd try [ 636.418037][T21719] loop2: detected capacity change from 0 to 11 [ 636.435034][T21714] EXT4-fs (loop3): Can't read superblock on 2nd try [ 636.442714][T21719] FAT-fs (loop2): Unrecognized mount option "nodots " or missing value [ 636.453403][T21712] EXT4-fs (loop5): Can't read superblock on 2nd try 21:19:55 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x900, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 636.486659][T21696] loop0: detected capacity change from 0 to 512 [ 636.496572][T21696] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 636.506410][T21696] EXT4-fs (loop0): group descriptors corrupted! [ 636.510750][T21731] loop1: detected capacity change from 0 to 4 [ 636.520301][T21714] loop3: detected capacity change from 0 to 4 [ 636.521807][T21708] loop4: detected capacity change from 0 to 4 21:19:55 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000fb4997a100000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 636.534219][T21712] loop5: detected capacity change from 0 to 4 [ 636.539109][T21719] loop2: detected capacity change from 0 to 11 [ 636.546511][T21714] EXT4-fs (loop3): Can't read superblock on 2nd try [ 636.546635][T21719] FAT-fs (loop2): Unrecognized mount option "nodots " or missing value [ 636.564633][T21712] EXT4-fs (loop5): Can't read superblock on 2nd try [ 636.571424][T21731] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 636.573244][T21708] EXT4-fs (loop4): Can't read superblock on 2nd try 21:19:55 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000002730000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:55 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) vmsplice(r0, &(0x7f0000000040)=[{&(0x7f0000000000)="7d750220fa5f", 0x6}], 0x1, 0x0) r1 = mmap$IORING_OFF_SQES(&(0x7f000005c000/0x1000)=nil, 0x1000, 0x200000b, 0x4010, r0, 0x10000000) r2 = socket$unix(0x1, 0x3, 0x0) connect(r2, &(0x7f0000931ff4)=@un=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0xc) r3 = syz_io_uring_setup(0x1dda, &(0x7f0000000080), &(0x7f0000ffb000/0x4000)=nil, &(0x7f0000ee9000/0x4000)=nil, &(0x7f0000000000)=0x0, &(0x7f0000000180)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r4, 0x40, &(0x7f0000000140)=0x307e, 0x0, 0x4) r6 = io_uring_register$IORING_REGISTER_PERSONALITY(r3, 0x9, 0x0, 0x0) syz_io_uring_submit(r4, r5, &(0x7f0000000200)=@IORING_OP_TIMEOUT_REMOVE={0xc, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, r6}}, 0x0) syz_io_uring_submit(0x0, r1, &(0x7f0000000140)=@IORING_OP_CONNECT={0x10, 0x1, 0x0, r2, 0x80, &(0x7f0000000080)=@llc={0x1a, 0x321, 0x4, 0x5, 0x8, 0x18, @broadcast}, 0x0, 0x0, 0x1, {0x0, r6}}, 0x6) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:19:55 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000f00000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 636.603886][T21752] loop3: detected capacity change from 0 to 4 [ 636.614586][T21731] loop1: detected capacity change from 0 to 4 [ 636.641606][T21731] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) 21:19:55 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000e000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 636.659672][T21752] EXT4-fs (loop3): Can't read superblock on 2nd try [ 636.666731][T21765] loop4: detected capacity change from 0 to 4 [ 636.677947][T21768] loop5: detected capacity change from 0 to 4 [ 636.684301][T21771] loop0: detected capacity change from 0 to 512 [ 636.690615][T21765] EXT4-fs (loop4): Can't read superblock on 2nd try [ 636.691258][T21768] EXT4-fs (loop5): Can't read superblock on 2nd try 21:19:56 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0xa00, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:56 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 636.700052][T21771] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 636.713489][T21771] EXT4-fs (loop0): group descriptors corrupted! [ 636.731396][T21765] loop4: detected capacity change from 0 to 4 [ 636.737535][T21752] loop3: detected capacity change from 0 to 4 21:19:56 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000110000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:56 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000020f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 636.755138][T21768] loop5: detected capacity change from 0 to 4 [ 636.762752][T21752] EXT4-fs (loop3): Can't read superblock on 2nd try [ 636.763706][T21765] EXT4-fs (loop4): Can't read superblock on 2nd try [ 636.792581][T21768] EXT4-fs (loop5): Can't read superblock on 2nd try 21:19:56 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000740000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 636.808671][T21791] loop1: detected capacity change from 0 to 5 [ 636.813147][T21795] loop0: detected capacity change from 0 to 512 [ 636.817917][T21793] loop2: detected capacity change from 0 to 11 [ 636.825473][T21791] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 636.836117][T21795] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 636.845873][T21795] EXT4-fs (loop0): group descriptors corrupted! 21:19:56 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f001000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 636.880636][T21793] FAT-fs (loop2): bogus number of reserved sectors [ 636.887151][T21793] FAT-fs (loop2): Can't find a valid FAT filesystem [ 636.889070][T21806] loop4: detected capacity change from 0 to 4 [ 636.902942][T21791] loop1: detected capacity change from 0 to 5 [ 636.909099][T21795] loop0: detected capacity change from 0 to 512 [ 636.910132][T21791] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 636.917451][T21807] loop3: detected capacity change from 0 to 4 [ 636.929927][T21806] EXT4-fs (loop4): Can't read superblock on 2nd try [ 636.931748][T21795] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 636.946233][T21795] EXT4-fs (loop0): group descriptors corrupted! [ 636.950676][T21812] loop5: detected capacity change from 0 to 4 [ 636.961108][T21812] EXT4-fs (loop5): Can't read superblock on 2nd try [ 636.967784][T21807] EXT4-fs (loop3): Can't read superblock on 2nd try 21:19:56 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000030f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:19:56 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0xb00, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 636.978010][T21806] loop4: detected capacity change from 0 to 4 [ 636.999289][T21793] loop2: detected capacity change from 0 to 11 [ 637.011042][T21806] EXT4-fs (loop4): Can't read superblock on 2nd try [ 637.023041][T21812] loop5: detected capacity change from 0 to 4 [ 637.026953][T21832] loop0: detected capacity change from 0 to 512 [ 637.035408][T21812] EXT4-fs (loop5): Can't read superblock on 2nd try [ 637.039860][T21835] loop1: detected capacity change from 0 to 5 [ 637.048387][T21832] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 637.058146][T21832] EXT4-fs (loop0): group descriptors corrupted! [ 637.065370][T21835] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 637.070422][T21807] loop3: detected capacity change from 0 to 4 21:19:56 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) ioctl$SCSI_IOCTL_TEST_UNIT_READY(r0, 0x2) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x1, 0x1000, 0x4, &(0x7f00007a7000/0x1000)=nil) r1 = socket$unix(0x1, 0x5, 0x0) bind$unix(r1, &(0x7f0000003000)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) fallocate(r1, 0x0, 0x8, 0x0) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:19:56 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f001100000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 637.082764][T21807] EXT4-fs (loop3): Can't read superblock on 2nd try [ 637.117956][T21835] loop1: detected capacity change from 0 to 5 [ 637.124629][T21832] loop0: detected capacity change from 0 to 512 21:19:56 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f0000007a0000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 637.134054][T21835] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 637.146410][T21832] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 637.156151][T21832] EXT4-fs (loop0): group descriptors corrupted! [ 637.173024][T21856] loop5: detected capacity change from 0 to 4 21:19:56 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000120000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 637.177940][T21848] loop2: detected capacity change from 0 to 11 [ 637.184657][T21854] loop4: detected capacity change from 0 to 4 [ 637.194985][T21856] EXT4-fs (loop5): Can't read superblock on 2nd try [ 637.204831][T21848] FAT-fs (loop2): bogus number of reserved sectors [ 637.211353][T21848] FAT-fs (loop2): Can't find a valid FAT filesystem [ 637.214103][T21860] loop3: detected capacity change from 0 to 4 [ 637.224983][T21854] EXT4-fs (loop4): Can't read superblock on 2nd try 21:19:56 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000040f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:19:56 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0xc00, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 637.234507][T21856] loop5: detected capacity change from 0 to 4 [ 637.241208][T21860] EXT4-fs (loop3): Can't read superblock on 2nd try [ 637.261018][T21848] loop2: detected capacity change from 0 to 11 [ 637.267546][T21848] FAT-fs (loop2): bogus number of reserved sectors [ 637.274063][T21848] FAT-fs (loop2): Can't find a valid FAT filesystem 21:19:56 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="6b756964ce64a6501f5716a760ccc4970b0ec1b2105302d37e43e7832fc0498fc659fd5dd7e9ba7046d662bad1c2553d4d53daf836d64e91cc7a92e4e100eac65526aec8eae0de42e8bcae8c8c67610050b0bcc204048c1b120aad7d41530d60d496eccfaa279b778c57b6150c9432516ad77b12924dabb07e588b070bbf32af37da74c06da5f31de10123782d4e165e600c1099c290b08384b76325e726020d67984fbedeb54e281ec9ebe91b", @ANYRESHEX=0x0, @ANYBLOB=',nodots,\x00']) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) r1 = socket$unix(0x1, 0x3, 0x0) connect(r1, &(0x7f0000931ff4)=@un=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0xc) ioctl$F2FS_IOC_WRITE_CHECKPOINT(r1, 0xf507, 0x0) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 637.286494][T21856] EXT4-fs (loop5): Can't read superblock on 2nd try [ 637.297479][T21860] loop3: detected capacity change from 0 to 4 [ 637.302007][T21877] loop1: detected capacity change from 0 to 6 [ 637.307245][T21874] loop0: detected capacity change from 0 to 512 [ 637.316336][T21860] EXT4-fs (loop3): Can't read superblock on 2nd try [ 637.323319][T21877] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) 21:19:56 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000fffffff850000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 637.331640][T21854] loop4: detected capacity change from 0 to 4 [ 637.338410][T21874] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 637.348228][T21874] EXT4-fs (loop0): group descriptors corrupted! [ 637.358371][T21854] EXT4-fs (loop4): Can't read superblock on 2nd try 21:19:56 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f0000001c0000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:56 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f001200000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 637.392469][T21874] loop0: detected capacity change from 0 to 512 [ 637.392580][T21877] loop1: detected capacity change from 0 to 6 [ 637.412323][T21895] loop5: detected capacity change from 0 to 4 [ 637.426927][T21874] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 637.436699][T21874] EXT4-fs (loop0): group descriptors corrupted! [ 637.437500][T21877] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 637.444310][T21897] loop2: detected capacity change from 0 to 11 [ 637.457286][T21895] EXT4-fs (loop5): Can't read superblock on 2nd try [ 637.467274][T21897] FAT-fs (loop2): Unrecognized mount option "kuiddPW`ė S~C/IY]pFbU=MS6Nz" or missing value [ 637.482067][T21903] loop3: detected capacity change from 0 to 4 21:19:56 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000050f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:19:56 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="7569643d2eff8626469d4f520f6dbcccdb1975fe89b307c9a9610429dc7ed6b701f14b528299802ec258de90e27ea2308ac0eb9d2f08164abb60b92f12935cda0b40a92c72ca2684653844e5f7c97acd5a38d16b23d7dfd2e3cc5e4ef7730e2f3553c0d1755e1eda302d9edc761c973eba6a68a00a24a8e60f91f9", @ANYRESHEX=0x0, @ANYBLOB=',nodots,\x00']) r1 = syz_io_uring_setup(0x1dda, &(0x7f0000000080), &(0x7f0000ffb000/0x4000)=nil, &(0x7f0000ee9000/0x4000)=nil, &(0x7f0000000000)=0x0, &(0x7f0000000180)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r2, 0x40, &(0x7f0000000140)=0x307e, 0x0, 0x4) r4 = io_uring_register$IORING_REGISTER_PERSONALITY(r1, 0x9, 0x0, 0x0) syz_io_uring_submit(r2, r3, &(0x7f0000000200)=@IORING_OP_TIMEOUT_REMOVE={0xc, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, r4}}, 0x0) r5 = mmap$IORING_OFF_SQES(&(0x7f0000470000/0x1000)=nil, 0x1000, 0x2, 0x10010, r0, 0x10000000) syz_io_uring_submit(r2, r5, &(0x7f0000000180)=@IORING_OP_READV=@pass_iovec={0x1, 0x2, 0x4, @fd_index=0x6, 0x7fffffff, &(0x7f0000000140)=[{&(0x7f0000000240)=""/210, 0xd2}, {&(0x7f00000000c0)=""/22, 0x16}], 0x2, 0x25, 0x1}, 0x10001) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 637.488449][T21905] loop4: detected capacity change from 0 to 4 [ 637.496889][T21903] EXT4-fs (loop3): Can't read superblock on 2nd try [ 637.507388][T21905] EXT4-fs (loop4): Can't read superblock on 2nd try 21:19:56 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0xd00, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 637.535669][T21895] loop5: detected capacity change from 0 to 4 [ 637.537932][T21911] loop0: detected capacity change from 0 to 512 [ 637.542484][T21895] EXT4-fs (loop5): Can't read superblock on 2nd try [ 637.556320][T21903] loop3: detected capacity change from 0 to 4 [ 637.568261][T21905] loop4: detected capacity change from 0 to 4 [ 637.579376][T21911] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 637.583817][T21927] loop1: detected capacity change from 0 to 6 [ 637.589129][T21911] EXT4-fs (loop0): group descriptors corrupted! [ 637.602239][T21923] loop2: detected capacity change from 0 to 11 [ 637.602563][T21903] EXT4-fs (loop3): Can't read superblock on 2nd try [ 637.608480][T21905] EXT4-fs (loop4): Can't read superblock on 2nd try [ 637.622492][T21927] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) 21:19:56 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0xe00, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:56 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f0000018c0000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 637.633528][T21923] FAT-fs (loop2): Unrecognized mount option "uid=.&FORmuɩa)~ַKR.Xސ~0/J`/\ @" or missing value [ 637.655695][T21911] loop0: detected capacity change from 0 to 512 [ 637.674607][T21911] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock 21:19:56 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000200000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 637.684428][T21911] EXT4-fs (loop0): group descriptors corrupted! 21:19:56 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f001c00000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:56 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) r1 = socket(0x11, 0x2, 0x0) connect$netlink(r1, &(0x7f0000000000)=@unspec, 0xc) r2 = socket(0x11, 0x800000003, 0x0) r3 = socket(0x11, 0x2, 0x0) bind(r3, &(0x7f0000000080)=@generic={0x11, "0000010000000000080044944eeba71a4976e252922cb18f6e2e2aba000000012e0b3836005404b0e0301a4ce875f2e3ff5f163ee340b7679500800000000000000101013c58110308d9123127ecce66fd792bbf0e5bf5ff1b0816f3f6db1c00010000000000000049740000000000000006ad8e5ecc326d3a09ffc2c654"}, 0x80) getsockname$packet(r3, &(0x7f0000000000)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @dev}, &(0x7f0000000140)=0x14) setsockopt$packet_add_memb(r2, 0x107, 0x1, &(0x7f0000000040)={r4, 0x1, 0x6, @broadcast}, 0x10) setsockopt$packet_add_memb(r2, 0x107, 0x1, &(0x7f00000001c0)={r4, 0x1, 0x4, @random="1c5f79d753ad"}, 0x10) r5 = getuid() sendmsg$nl_xfrm(r1, &(0x7f0000000080)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000040)={&(0x7f0000000440)=@getsa={0x4a8, 0x12, 0x20, 0x70bd25, 0x25dfdbfc, {@in=@rand_addr=0x64010102, 0x4d5, 0xa, 0x3c}, [@algo_crypt={0xdf, 0x2, {{'xts-cast6-avx\x00'}, 0x4b8, "dce19c1a6d3626109a64384d1a8dfc4420c15d8f80009adfaee020a9f131484d93576dfbc6aa6f050f5a1fa180b62469bb142d3b1ec7ab7a2a0cf91cc96eb339e8ffdea904ab59aea3008368adf09af589b7df48306f7270c1495cbd333f2eba2bf6658ac8e898eec32665fbefe7f894716caa9b7c14389a24a9f89d2a1c95280ccd420bf7ca889249b5fb58ddddaa2d5ece68a46812d0"}}, @tmpl={0x184, 0x5, [{{@in6=@local, 0x4d4, 0x6c}, 0xa, @in=@rand_addr=0x64010101, 0x3501, 0x2, 0x0, 0x7, 0x9, 0x3, 0xc150}, {{@in=@broadcast, 0x4d5, 0x32}, 0xa, @in=@rand_addr=0x64010100, 0x3504, 0x4, 0x2, 0x81, 0x8000, 0xed}, {{@in6=@private1, 0x4d5, 0x3c}, 0x0, @in6=@remote, 0x0, 0x0, 0x0, 0x1, 0x50000000, 0x6, 0xbec5}, {{@in6=@loopback, 0x4d3, 0xff}, 0xa, @in=@multicast1, 0x3506, 0x1, 0x2, 0xd, 0x8000, 0x20, 0x2}, {{@in6=@local, 0x4d4, 0x2b}, 0xa, @in=@local, 0x0, 0x1, 0x0, 0xc7, 0x0, 0x2, 0x81}, {{@in=@rand_addr=0x64010100, 0x4d5, 0x33}, 0xa, @in=@rand_addr=0x64010102, 0x3501, 0x0, 0x0, 0xd1, 0x80, 0x7, 0x80000000}]}, @srcaddr={0x14, 0xd, @in6=@dev={0xfe, 0x80, '\x00', 0x1c}}, @algo_aead={0xe6, 0x12, {{'pcrypt(aegis128-generic)\x00'}, 0x4d0, 0x300, "0077c494d3d1c2e5c864d489daa7b9c5abc8ed57593f60fab1b32a0b8d10eb96eee321f06720e1652b4be0e86b03d2fe993890e09c4d2a1f1769c734722a26751c7dc425c3971f1a84ca4ffbc33807d74221b826d701587a60e0f1d5e831e8dfc742fe97ea17b0081afa756f0ddcb4d3378bb64320bc9b1641949a97b384922feb556a7e90fcbfd8a637262816faa9e2a290d9fd439f02aac107"}}, @etimer_thresh={0x8, 0xc, 0x2}, @policy_type={0xa, 0x10, {0x1}}, @sa={0xe4, 0x6, {{@in=@multicast1, @in=@rand_addr=0x64010101, 0x4e20, 0x0, 0x4e20, 0x3, 0x2, 0x20, 0xa0, 0x3b, r4, r5}, {@in6=@empty, 0x4d2, 0x33}, @in=@rand_addr=0x64010101, {0x4ce, 0x8, 0x6, 0x8001, 0x2, 0xffff, 0x7fffffff, 0xffffffffffff15ee}, {0x5, 0x8, 0x1, 0x5}, {0x2, 0xffff, 0x6}, 0x70bd29, 0x3507, 0x2, 0x3, 0x9, 0x1}}, @replay_esn_val={0x28, 0x17, {0x3, 0x70bd28, 0x70bd29, 0x70bd29, 0x70bd27, 0x9, [0x80, 0x5, 0x4bd]}}]}, 0x4a8}}, 0x8010) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 637.712528][T21945] loop5: detected capacity change from 0 to 4 [ 637.735230][T21945] EXT4-fs (loop5): Can't read superblock on 2nd try [ 637.739223][T21952] loop4: detected capacity change from 0 to 4 [ 637.742384][T21954] loop1: detected capacity change from 0 to 7 [ 637.748025][T21950] loop2: detected capacity change from 0 to 11 21:19:57 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000060f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 637.760489][T21954] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 637.761525][T21953] loop3: detected capacity change from 0 to 4 [ 637.772956][T21952] EXT4-fs (loop4): Can't read superblock on 2nd try [ 637.780268][T21953] EXT4-fs (loop3): Can't read superblock on 2nd try [ 637.781876][T21950] FAT-fs (loop2): bogus number of reserved sectors [ 637.794525][T21950] FAT-fs (loop2): Can't find a valid FAT filesystem [ 637.804816][T21945] loop5: detected capacity change from 0 to 4 [ 637.814893][T21953] loop3: detected capacity change from 0 to 4 [ 637.816908][T21945] EXT4-fs (loop5): Can't read superblock on 2nd try [ 637.826435][T21954] loop1: detected capacity change from 0 to 7 [ 637.834949][T21967] loop0: detected capacity change from 0 to 512 [ 637.841325][T21953] EXT4-fs (loop3): Can't read superblock on 2nd try [ 637.849388][T21952] loop4: detected capacity change from 0 to 4 [ 637.849403][T21967] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 637.865170][T21967] EXT4-fs (loop0): group descriptors corrupted! [ 637.872131][T21952] EXT4-fs (loop4): Can't read superblock on 2nd try [ 637.878467][T21954] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) 21:19:57 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0xf00, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:57 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000fffffff8c0000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:57 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f002200000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 637.909070][T21950] loop2: detected capacity change from 0 to 2176 [ 637.925677][T21986] loop1: detected capacity change from 0 to 7 21:19:57 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000010200000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:57 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000070f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:19:57 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) r1 = syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) fchmodat(r0, &(0x7f0000000000)='./file0\x00', 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) r2 = socket$unix(0x1, 0x5, 0x0) bind$unix(r2, &(0x7f0000003000)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) r3 = accept$inet(r0, &(0x7f0000000080)={0x2, 0x0, @remote}, &(0x7f00000000c0)=0x10) r4 = socket$unix(0x1, 0x3, 0x0) connect(r4, &(0x7f0000931ff4)=@un=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0xc) r5 = socket$nl_xfrm(0x10, 0x3, 0x6) poll(&(0x7f0000000140)=[{r1, 0x8492}, {r1, 0xa012}, {r2, 0xb054}, {r1, 0x1001}, {r3, 0x1448}, {r4}, {r0, 0x8002}, {r5, 0x8446}, {r0}, {r0, 0x8490}], 0xa, 0xff) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) r6 = mmap$IORING_OFF_SQES(&(0x7f00000b3000/0x2000)=nil, 0x2000, 0x3000008, 0x80010, r0, 0x10000000) syz_io_uring_submit(0x0, r6, &(0x7f0000000040)=@IORING_OP_TIMEOUT_REMOVE={0xc, 0x4, 0x0, 0x0, 0x0, 0x12345, 0x0, 0x0, 0x1}, 0x7) [ 637.953667][T21989] loop5: detected capacity change from 0 to 4 [ 637.963197][T21989] EXT4-fs (loop5): Can't read superblock on 2nd try [ 637.970709][T21986] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 638.013450][T21998] loop3: detected capacity change from 0 to 4 [ 638.018265][T21997] loop0: detected capacity change from 0 to 512 [ 638.021767][T22000] loop2: detected capacity change from 0 to 11 [ 638.039537][T21999] loop4: detected capacity change from 0 to 4 [ 638.045720][T21998] EXT4-fs (loop3): Can't read superblock on 2nd try [ 638.052689][T21997] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 638.062435][T21997] EXT4-fs (loop0): group descriptors corrupted! [ 638.062909][T21999] EXT4-fs (loop4): Can't read superblock on 2nd try [ 638.076290][T22000] FAT-fs (loop2): bogus number of reserved sectors [ 638.082825][T22000] FAT-fs (loop2): Can't find a valid FAT filesystem [ 638.089856][T21989] loop5: detected capacity change from 0 to 4 [ 638.092529][T21986] loop1: detected capacity change from 0 to 7 [ 638.102881][T21989] EXT4-fs (loop5): Can't read superblock on 2nd try [ 638.106210][T21986] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 638.121950][T21999] loop4: detected capacity change from 0 to 4 [ 638.128291][T21997] loop0: detected capacity change from 0 to 512 [ 638.135486][T21998] loop3: detected capacity change from 0 to 4 [ 638.142159][T21997] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 638.151898][T21997] EXT4-fs (loop0): group descriptors corrupted! 21:19:57 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f0000018d0000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:57 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x1004, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:57 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000220000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 638.158682][T21998] EXT4-fs (loop3): Can't read superblock on 2nd try [ 638.174101][T21999] EXT4-fs (loop4): Can't read superblock on 2nd try [ 638.193197][T22000] loop2: detected capacity change from 0 to 11 [ 638.195935][T22031] loop5: detected capacity change from 0 to 4 21:19:57 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000080f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:19:57 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f002500000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:57 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000001240)=ANY=[@ANYBLOB="756905c31d7d", @ANYRESHEX=0x0, @ANYBLOB="2c000e0ba4ab25e88e3ee94638ad51c2acc9aad38aa7bced743fb0a4b9654629bb26c8a97dc5b7b54bd714b57563bf4dbe780abbfd19f8581ce5a24d91d41441726f318202001fb4b3e64c6626e5b086e2d421b69220c6c6b4c0a7cb23c9e296a0481bac85e236e412976e5bf8751ec568517da2448768b417d471bb82a62be4cc6de4aa7550a3e7bd3979c6acad9789017e3219dccd32072f5c02f58a744101e527c2e948d98728c129bc7d168b04b8695fc7c0aecc1a8d734d9de2ea58744c36ac2af1ebaa95a768c8"]) mmap(&(0x7f000057f000/0x2000)=nil, 0x2000, 0x72d78dd094c7db66, 0x12, r0, 0x2000) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) r1 = openat$procfs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/timer_list\x00', 0x0, 0x0) preadv(r1, &(0x7f0000001580)=[{&(0x7f0000000240)=""/4096, 0x1000}], 0x1, 0xdb9, 0x0) statx(r1, &(0x7f0000000140)='./file0\x00', 0x6000, 0x8, &(0x7f0000000240)) [ 638.212884][T22035] loop1: detected capacity change from 0 to 8 [ 638.214764][T22031] EXT4-fs (loop5): Can't read superblock on 2nd try [ 638.238748][T22035] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 638.250817][T22044] loop3: detected capacity change from 0 to 4 [ 638.264430][T22044] EXT4-fs (loop3): Can't read superblock on 2nd try [ 638.272940][T22035] loop1: detected capacity change from 0 to 8 [ 638.278802][T22031] loop5: detected capacity change from 0 to 4 [ 638.285455][T22031] EXT4-fs (loop5): Can't read superblock on 2nd try [ 638.286986][T22048] loop0: detected capacity change from 0 to 512 [ 638.300508][T22035] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 638.306954][T22057] loop4: detected capacity change from 0 to 4 [ 638.318689][T22044] loop3: detected capacity change from 0 to 4 [ 638.325618][T22048] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 638.335392][T22048] EXT4-fs (loop0): group descriptors corrupted! [ 638.335610][T22057] EXT4-fs (loop4): Can't read superblock on 2nd try [ 638.343615][T22060] loop2: detected capacity change from 0 to 11 [ 638.354377][T22044] EXT4-fs (loop3): Can't read superblock on 2nd try 21:19:57 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x1020, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 638.362847][T22060] FAT-fs (loop2): Unrecognized mount option "ui}0x0000000000000000" or missing value [ 638.375069][T22048] loop0: detected capacity change from 0 to 512 [ 638.381963][T22057] loop4: detected capacity change from 0 to 4 [ 638.396432][T22048] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 638.406173][T22048] EXT4-fs (loop0): group descriptors corrupted! 21:19:57 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000250000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:57 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f0000018e0000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 638.415612][T22057] EXT4-fs (loop4): Can't read superblock on 2nd try [ 638.428231][T22076] loop1: detected capacity change from 0 to 8 [ 638.437136][T22060] loop2: detected capacity change from 0 to 11 [ 638.444104][T22060] FAT-fs (loop2): Unrecognized mount option "ui}0x0000000000000000" or missing value [ 638.457054][T22084] loop5: detected capacity change from 0 to 4 21:19:57 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f002e00000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:57 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000090f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:19:57 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x1100, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 638.464862][T22076] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 638.465644][T22085] loop3: detected capacity change from 0 to 4 [ 638.483578][T22085] EXT4-fs (loop3): Can't read superblock on 2nd try [ 638.499325][T22092] loop4: detected capacity change from 0 to 4 [ 638.507421][T22092] EXT4-fs (loop4): Can't read superblock on 2nd try 21:19:57 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='uid=', @ANYRESHEX=0x0, @ANYBLOB="2c6e6bac73d1f0b53742e0f03989726d4f04820000"]) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 638.518973][T22084] EXT4-fs (loop5): Can't read superblock on 2nd try [ 638.541515][T22085] loop3: detected capacity change from 0 to 4 [ 638.544488][T22101] loop1: detected capacity change from 0 to 8 [ 638.553907][T22092] loop4: detected capacity change from 0 to 4 [ 638.554723][T22085] EXT4-fs (loop3): Can't read superblock on 2nd try [ 638.566754][T22102] loop0: detected capacity change from 0 to 512 [ 638.569682][T22101] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 638.582809][T22084] loop5: detected capacity change from 0 to 4 [ 638.593925][T22084] EXT4-fs (loop5): Can't read superblock on 2nd try [ 638.594314][T22092] EXT4-fs (loop4): Can't read superblock on 2nd try [ 638.608219][T22102] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock 21:19:57 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f0000002e0000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 638.617993][T22102] EXT4-fs (loop0): group descriptors corrupted! [ 638.631048][T22114] loop2: detected capacity change from 0 to 11 [ 638.644080][T22101] loop1: detected capacity change from 0 to 8 [ 638.656911][T22101] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) 21:19:57 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f004800000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 638.663794][T22114] FAT-fs (loop2): Unrecognized mount option "nks7B9rmO" or missing value [ 638.674955][T22121] loop3: detected capacity change from 0 to 4 [ 638.691307][T22102] loop0: detected capacity change from 0 to 512 [ 638.700051][T22102] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 638.709885][T22102] EXT4-fs (loop0): group descriptors corrupted! 21:19:58 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000fffffff970000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:58 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x1200, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 638.732190][T22129] loop4: detected capacity change from 0 to 4 [ 638.739519][T22121] EXT4-fs (loop3): Can't read superblock on 2nd try [ 638.756963][T22129] EXT4-fs (loop4): Can't read superblock on 2nd try [ 638.769950][T22135] loop5: detected capacity change from 0 to 4 [ 638.773799][T22137] loop1: detected capacity change from 0 to 9 21:19:58 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000a0f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 638.784038][T22135] EXT4-fs (loop5): Can't read superblock on 2nd try [ 638.797013][T22121] loop3: detected capacity change from 0 to 4 [ 638.808936][T22114] loop2: detected capacity change from 0 to 11 [ 638.810894][T22137] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) 21:19:58 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) r1 = syz_mount_image$msdos(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0xd8d, 0x4, &(0x7f0000000140)=[{&(0x7f0000000240)="fdf57de752e55b339ddd263d021ecb9e2a032d5dfa43e4a10eaae7af81a5f9b9d374278868145c30f488f5574df6d9f6981daf2b27e13618168f3592d502d61a7eb2116c5421898a328217bbebd9eaffd9b0d95ea5a7ebd48b0ea102c6aaf2379e43f66e1edf1c0d54d5d1a562805d1ee5073bd8de745856a8eacde4b61397e64910ea4261456a2a68fd56c1df1a609d15e7bc7875b331b5d2f54b77b790e31179c562e5c6b59f8428ac983e120ac596b0ff337f5575de3c94781a5c48efac616b0324c12d51a0b7989e8333fb", 0xcd, 0x3}, {&(0x7f0000000080)="7dd558ae5cb2b151d57fc7707ead", 0xe, 0x94}, {&(0x7f0000000440)="9c3ef9279db2fcd547971bab2f5c217eb7483d8d6cf59e5a8fd980ba02f7a214cdad884c543e7b63de8ca4a9efbf1b850cd6c04641bf8c897394652cb1071a267dad73f1fb0f64b5a4a400243e481ab1ffcf1f2b7deef646891e69bf1e90b946104eb6d0da2ddba548191f059f8b877c9e80a4aa48eec6173448dcbe53015e181d7142809bc03cf7f03a195b4a5417eb427437a1f07a6651ca877321587ae88fb9dab12ecb", 0xa5, 0x8}, {&(0x7f0000000500)="f88333f5cc1aa5af32cbe7d42694fa57a4a672987821b187e0aebefc179a82120ea58299b34b1f4bc971259c714714018577ad2ef602032c7824da57a7decbd7a46c39add6a23036ed7acf5815dac4bc7a7c4d8b72a8e597cd6b01c28321db68a32c5f3662474954b407cf8519b85a3928a787fa0c639b2937998570dcaae44dd4850df51e219597afdb0de74418b0a00668015c9bd4aeea3e81fa6f7929cca70ca241a398ebfd782cd04a344a2d0d62645b85e95d4e4e89f98313be08db37bc584a1b2b52cfee83cecfabc3f82d7452a37cb1c47fbc4c43d54b1c2312772c7eccfee90e99c36bfc54", 0xe9, 0xd4}], 0x2000, &(0x7f00000000c0)={[{@nodots}, {@nodots}], [{@uid_gt={'uid>', 0xee01}}, {@subj_type={'subj_type', 0x3d, '&('}}]}) unlinkat(r1, &(0x7f0000000340)='./file0\x00', 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:19:58 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f004c00000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 638.828725][T22121] EXT4-fs (loop3): Can't read superblock on 2nd try [ 638.842456][T22135] loop5: detected capacity change from 0 to 4 [ 638.848912][T22153] loop0: detected capacity change from 0 to 512 [ 638.855225][T22135] EXT4-fs (loop5): Can't read superblock on 2nd try [ 638.857814][T22153] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 638.871656][T22153] EXT4-fs (loop0): group descriptors corrupted! [ 638.873788][T22157] loop4: detected capacity change from 0 to 4 21:19:58 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f0000003f0000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 638.881391][T22137] loop1: detected capacity change from 0 to 9 [ 638.891467][T22137] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 638.901835][T22153] loop0: detected capacity change from 0 to 512 [ 638.908834][T22157] EXT4-fs (loop4): Can't read superblock on 2nd try [ 638.919111][T22167] loop3: detected capacity change from 0 to 4 21:19:58 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f107a99b40000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 638.927495][T22153] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 638.937247][T22153] EXT4-fs (loop0): group descriptors corrupted! [ 638.947688][T22172] loop2: detected capacity change from 0 to 11 [ 638.955382][T22172] FAT-fs (loop2): bogus number of reserved sectors [ 638.961934][T22172] FAT-fs (loop2): Can't find a valid FAT filesystem [ 638.963652][T22167] EXT4-fs (loop3): Can't read superblock on 2nd try 21:19:58 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x1c00, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 638.979442][T22178] loop5: detected capacity change from 0 to 4 [ 638.988106][T22157] loop4: detected capacity change from 0 to 4 [ 638.996067][T22181] loop1: detected capacity change from 0 to 14 [ 639.002483][T22157] EXT4-fs (loop4): Can't read superblock on 2nd try [ 639.005734][T22181] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 639.017324][T22178] EXT4-fs (loop5): Can't read superblock on 2nd try [ 639.028551][T22167] loop3: detected capacity change from 0 to 4 21:19:58 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000b0f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:19:58 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f006000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 639.029061][T22172] loop2: detected capacity change from 0 to 6 [ 639.040715][T22167] EXT4-fs (loop3): Can't read superblock on 2nd try [ 639.055362][T22181] loop1: detected capacity change from 0 to 14 [ 639.069477][T22178] loop5: detected capacity change from 0 to 4 21:19:58 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000400000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 639.084293][T22181] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 639.093737][T22172] loop2: detected capacity change from 0 to 11 [ 639.100622][T22201] loop4: detected capacity change from 0 to 4 [ 639.103922][T22202] loop0: detected capacity change from 0 to 512 [ 639.113003][T22201] EXT4-fs (loop4): Can't read superblock on 2nd try [ 639.120388][T22178] EXT4-fs (loop5): Can't read superblock on 2nd try [ 639.127646][T22172] FAT-fs (loop2): bogus number of reserved sectors [ 639.134182][T22172] FAT-fs (loop2): Can't find a valid FAT filesystem [ 639.150200][T22209] loop3: detected capacity change from 0 to 4 [ 639.156878][T22202] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 639.166631][T22202] EXT4-fs (loop0): group descriptors corrupted! [ 639.167292][T22209] EXT4-fs (loop3): Can't read superblock on 2nd try [ 639.180012][T22201] loop4: detected capacity change from 0 to 4 21:19:58 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f0000edc00000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:58 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x2000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:58 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f006800000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:58 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) [ 639.196581][T22201] EXT4-fs (loop4): Can't read superblock on 2nd try [ 639.230916][T22221] loop5: detected capacity change from 0 to 4 [ 639.242977][T22225] loop1: detected capacity change from 0 to 16 [ 639.257108][T22230] loop2: detected capacity change from 0 to 11 [ 639.257433][T22209] loop3: detected capacity change from 0 to 4 [ 639.270276][T22202] loop0: detected capacity change from 0 to 512 [ 639.272053][T22232] loop4: detected capacity change from 0 to 4 [ 639.284132][T22221] EXT4-fs (loop5): Can't read superblock on 2nd try [ 639.291209][T22225] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 639.304330][T22230] FAT-fs (loop2): bogus number of reserved sectors [ 639.310879][T22230] FAT-fs (loop2): Can't find a valid FAT filesystem [ 639.318165][T22209] EXT4-fs (loop3): Can't read superblock on 2nd try [ 639.325223][T22202] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 639.335052][T22202] EXT4-fs (loop0): group descriptors corrupted! 21:19:58 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x2010, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 639.335728][T22232] EXT4-fs (loop4): Can't read superblock on 2nd try [ 639.359186][T22221] loop5: detected capacity change from 0 to 4 [ 639.370546][T22230] loop2: detected capacity change from 0 to 11 [ 639.370577][T22221] EXT4-fs (loop5): Can't read superblock on 2nd try [ 639.388203][T22232] loop4: detected capacity change from 0 to 4 21:19:58 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000800400000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:58 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000c0f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 639.404551][T22232] EXT4-fs (loop4): Can't read superblock on 2nd try [ 639.423847][T22254] loop1: detected capacity change from 0 to 16 [ 639.427607][T22257] loop3: detected capacity change from 0 to 4 [ 639.438209][T22254] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 639.446333][T22257] EXT4-fs (loop3): Can't read superblock on 2nd try 21:19:58 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f006c00000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 639.452113][T22261] loop0: detected capacity change from 0 to 512 21:19:58 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)=ANY=[@ANYBLOB='uid=', @ANYRESHEX=0x0, @ANYBLOB=',nodots-\x00']) openat(r0, &(0x7f0000000000)='./file0\x00', 0x200080, 0x58) r1 = socket$unix(0x1, 0x5, 0x0) bind$unix(r1, &(0x7f0000003000)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) fsetxattr$trusted_overlay_opaque(r1, &(0x7f0000000040), &(0x7f0000000080), 0x2, 0x1) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x110, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:19:58 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000fffffffda0000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 639.482859][T22261] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 639.492688][T22261] EXT4-fs (loop0): group descriptors corrupted! [ 639.499130][T22267] loop4: detected capacity change from 0 to 4 [ 639.506101][T22254] loop1: detected capacity change from 0 to 16 [ 639.509261][T22257] loop3: detected capacity change from 0 to 4 [ 639.522751][T22254] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 639.535660][T22267] EXT4-fs (loop4): Can't read superblock on 2nd try [ 639.541171][T22257] EXT4-fs (loop3): Can't read superblock on 2nd try [ 639.550966][T22261] loop0: detected capacity change from 0 to 512 [ 639.553575][T22278] loop2: detected capacity change from 0 to 11 [ 639.561768][T22281] loop5: detected capacity change from 0 to 4 [ 639.569547][T22278] FAT-fs (loop2): Unrecognized mount option "nodots-" or missing value 21:19:58 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000480000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:58 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x2200, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 639.573016][T22261] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 639.587548][T22261] EXT4-fs (loop0): group descriptors corrupted! [ 639.597772][T22281] EXT4-fs (loop5): Can't read superblock on 2nd try [ 639.618842][T22267] loop4: detected capacity change from 0 to 4 21:19:58 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) r1 = socket$unix(0x1, 0x5, 0x0) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, &(0x7f0000cab000)=0xc) setreuid(0x0, r2) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000240)=ANY=[@ANYBLOB='uid=', @ANYRESHEX=0x0, @ANYBLOB="2c0555e0d699a73d8e269a9c3c008040e6f96a63fa893c", @ANYRESDEC=r2, @ANYBLOB="2c736d61636b6673666c6f6f0c76844c646f73002c6673757569643d32396562653761392d663703332d333764362d663538652d5f653732346236372c6f626a5f74f970653d5d262c00"]) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) ioctl$NS_GET_OWNER_UID(r0, 0xb704, &(0x7f0000000000)=0x0) r4 = socket$unix(0x1, 0x5, 0x0) getsockopt$sock_cred(r4, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, &(0x7f0000cab000)=0xc) setreuid(0x0, r5) setresuid(r3, r5, r2) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 639.638259][T22267] EXT4-fs (loop4): Can't read superblock on 2nd try [ 639.664752][T22281] loop5: detected capacity change from 0 to 4 [ 639.668968][T22301] loop1: detected capacity change from 0 to 17 [ 639.677038][T22281] EXT4-fs (loop5): Can't read superblock on 2nd try 21:19:58 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f007400000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:58 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000d0f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) [ 639.683638][T22300] loop3: detected capacity change from 0 to 4 [ 639.703149][T22301] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 639.718486][T22300] EXT4-fs (loop3): Can't read superblock on 2nd try [ 639.732287][T22310] loop4: detected capacity change from 0 to 4 21:19:59 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000ffffffff60000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 639.746097][T22310] EXT4-fs (loop4): Can't read superblock on 2nd try [ 639.757495][T22301] loop1: detected capacity change from 0 to 17 [ 639.770056][T22301] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 639.780689][T22313] loop2: detected capacity change from 0 to 11 [ 639.787805][T22310] loop4: detected capacity change from 0 to 4 [ 639.795536][T22300] loop3: detected capacity change from 0 to 4 [ 639.804811][T22300] EXT4-fs (loop3): Can't read superblock on 2nd try [ 639.813522][T22310] EXT4-fs (loop4): Can't read superblock on 2nd try [ 639.820782][T22324] loop0: detected capacity change from 0 to 512 [ 639.830624][T22313] FAT-fs (loop2): Unrecognized mount option "U֙=&<" or missing value 21:19:59 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x2500, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:59 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f007a00000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:59 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f0000004c0000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 639.843551][T22325] loop5: detected capacity change from 0 to 4 [ 639.863036][T22324] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 639.872780][T22324] EXT4-fs (loop0): group descriptors corrupted! [ 639.887765][T22325] EXT4-fs (loop5): Can't read superblock on 2nd try 21:19:59 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000e0f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:19:59 executing program 2: r0 = socket$unix(0x1, 0x5, 0x0) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, &(0x7f0000cab000)=0xc) setreuid(0x0, r1) stat(&(0x7f0000000080)='./file0\x00', &(0x7f0000000140)={0x0, 0x0, 0x0, 0x0, 0x0}) stat(&(0x7f00000000c0)='./file0\x00', &(0x7f0000000240)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) lsetxattr$system_posix_acl(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='system.posix_acl_access\x00', &(0x7f00000002c0)=ANY=[@ANYBLOB="02000000010004000000000002000500", @ANYRES32=r1, @ANYBLOB="02000320", @ANYRES32=r2, @ANYBLOB="040000000000000008000000", @ANYRES32=r3, @ANYBLOB="10000400000000002000070000000000"], 0x3c, 0x3) r4 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000340)=[{0x0, 0x0, 0xbae}, {0x0}], 0x0, &(0x7f0000000400)={[{@fat=@uid}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r4, 0x0) preadv(r4, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) inotify_init() r5 = openat$procfs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/timer_list\x00', 0x0, 0x0) preadv(r5, &(0x7f0000001580)=[{&(0x7f0000000240)=""/4096, 0x1000}], 0x1, 0xdb9, 0x0) openat(r5, &(0x7f0000000380)='./file0\x00', 0x80, 0x40) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 639.908858][T22336] loop3: detected capacity change from 0 to 4 [ 639.908956][T22334] loop4: detected capacity change from 0 to 4 [ 639.915060][T22337] loop1: detected capacity change from 0 to 18 [ 639.929548][T22334] EXT4-fs (loop4): Can't read superblock on 2nd try [ 639.930277][T22325] loop5: detected capacity change from 0 to 4 [ 639.949660][T22336] EXT4-fs (loop3): Can't read superblock on 2nd try 21:19:59 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)=ANY=[@ANYBLOB='uid=', @ANYRESHEX=0x0, @ANYBLOB="2c6e18360400000000"]) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 639.976741][T22325] EXT4-fs (loop5): Can't read superblock on 2nd try [ 639.985723][T22337] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 640.001257][T22334] loop4: detected capacity change from 0 to 4 [ 640.007514][T22355] loop0: detected capacity change from 0 to 512 [ 640.010810][T22334] EXT4-fs (loop4): Can't read superblock on 2nd try 21:19:59 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000ffffffdf90000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 640.021232][T22355] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 640.031037][T22355] EXT4-fs (loop0): group descriptors corrupted! [ 640.034616][T22336] loop3: detected capacity change from 0 to 4 [ 640.042773][T22360] loop2: detected capacity change from 0 to 11 [ 640.044917][T22337] loop1: detected capacity change from 0 to 18 [ 640.052112][T22360] FAT-fs (loop2): Unrecognized mount option "n6" or missing value [ 640.064515][T22355] loop0: detected capacity change from 0 to 512 21:19:59 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f00fe00000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 640.071294][T22337] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 640.079821][T22355] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 640.089548][T22355] EXT4-fs (loop0): group descriptors corrupted! [ 640.097815][T22336] EXT4-fs (loop3): Can't read superblock on 2nd try [ 640.109861][T22374] loop4: detected capacity change from 0 to 4 [ 640.118075][T22374] EXT4-fs (loop4): Can't read superblock on 2nd try 21:19:59 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x2e00, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:59 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="2000000040000000030000003000000f0f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:19:59 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000600000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 640.118035][T22377] loop5: detected capacity change from 0 to 4 [ 640.121047][T22377] EXT4-fs (loop5): Can't read superblock on 2nd try [ 640.130257][T22360] loop2: detected capacity change from 0 to 11 [ 640.145007][T22360] FAT-fs (loop2): Unrecognized mount option "n6" or missing value [ 640.154151][T22374] loop4: detected capacity change from 0 to 4 [ 640.166295][T22374] EXT4-fs (loop4): Can't read superblock on 2nd try 21:19:59 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x6, 0x2, &(0x7f0000000380)=[{0x0, 0x0, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)=ANY=[@ANYBLOB='uid=', @ANYRESHEX=0x0, @ANYBLOB="2c6e6f646f74000400"]) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) accept$unix(r0, &(0x7f0000000000), &(0x7f0000000080)=0x6e) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) [ 640.188707][T22396] loop1: detected capacity change from 0 to 23 [ 640.195222][T22398] loop0: detected capacity change from 0 to 512 [ 640.197801][T22399] loop3: detected capacity change from 0 to 4 [ 640.207690][T22396] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 640.231109][T22377] loop5: detected capacity change from 0 to 4 21:19:59 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f008e01000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 640.237852][T22398] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 640.247634][T22377] EXT4-fs (loop5): Can't read superblock on 2nd try [ 640.247615][T22398] EXT4-fs (loop0): group descriptors corrupted! [ 640.251706][T22399] EXT4-fs (loop3): Can't read superblock on 2nd try [ 640.265562][T22410] loop4: detected capacity change from 0 to 4 [ 640.275122][T22410] EXT4-fs (loop4): Can't read superblock on 2nd try [ 640.288865][T22409] loop2: detected capacity change from 0 to 11 [ 640.297823][T22409] FAT-fs (loop2): Unrecognized mount option "nodot" or missing value [ 640.300327][T22396] loop1: detected capacity change from 0 to 23 [ 640.308512][T22398] loop0: detected capacity change from 0 to 512 [ 640.319535][T22410] loop4: detected capacity change from 0 to 4 [ 640.328363][T22410] EXT4-fs (loop4): Can't read superblock on 2nd try 21:19:59 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000ffffffdfd0000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 640.338611][T22399] loop3: detected capacity change from 0 to 4 [ 640.340621][T22398] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 640.354444][T22398] EXT4-fs (loop0): group descriptors corrupted! [ 640.362455][T22409] loop2: detected capacity change from 0 to 11 [ 640.364416][T22399] EXT4-fs (loop3): Can't read superblock on 2nd try [ 640.371131][T22396] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 640.387695][T22433] loop5: detected capacity change from 0 to 4 [ 640.396282][T22433] EXT4-fs (loop5): Can't read superblock on 2nd try 21:19:59 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x40000, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000100f000000000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)) 21:19:59 executing program 2: r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/exe\x00', 0x0, 0x0) r1 = syz_mount_image$msdos(&(0x7f00000001c0), &(0x7f0000000200)='./file0\x00', 0x3ff, 0x2, &(0x7f0000000380)=[{0x0, 0xfffffe51, 0xbab}, {0x0}], 0x0, &(0x7f0000000400)={[{@fat=@sys_immutable}, {@nodots}]}) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x72d78dd094c7db66, 0x12, r0, 0x0) preadv(r0, &(0x7f0000000280), 0x43, 0xd9f, 0x0) mkdirat(r1, &(0x7f0000000000)='./file0\x00', 0x80) shmat(0x0, &(0x7f0000000000/0x4000)=nil, 0xffffffffffff6fff) shmat(0x0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmget(0x2, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) 21:19:59 executing program 1: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x3f00, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000000000000100000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:59 executing program 3: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f000000680000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef", 0x3a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) 21:19:59 executing program 4: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000f008f01000000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 640.431005][T22433] loop5: detected capacity change from 0 to 4 [ 640.440878][T22433] EXT4-fs (loop5): Can't read superblock on 2nd try [ 640.450136][T22443] loop0: detected capacity change from 0 to 512 [ 640.457869][T22443] EXT4-fs (loop0): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock [ 640.467654][T22443] EXT4-fs (loop0): group descriptors corrupted! 21:19:59 executing program 5: syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000010000)="200000004000000003000000300000000ffffffffd0000000200000002000000008000000080000020000000dcf4655fdcf4655f0100ffff53ef030001000000dbf4655f000000000000000001000000000000000b0000000002", 0x5a, 0x400}], 0x0, &(0x7f0000000040)={[{@data_journal}]}) [ 640.481218][T22449] loop3: detected capacity change from 0 to 4 [ 640.498176][T22454] loop1: detected capacity change from 0 to 31 [ 640.504608][T22456] loop4: detected capacity change from 0 to 4 [ 640.511999][T22455] loop2: detected capacity change from 0 to 1 [ 640.523936][T22454] EXT4-fs (loop1): fragment/cluster size (4096) != block size (2048) [ 640.532173][T22455] FAT-fs (loop2)