e, {}, {}, @ext={0x161, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x0) 03:17:43 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002000000010006000c00000000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) [ 2699.435988][T18377] loop5: detected capacity change from 0 to 256 [ 2699.441956][T18378] loop1: detected capacity change from 0 to 32767 [ 2699.454915][T18378] FAT-fs (loop1): bogus number of reserved sectors [ 2699.461519][T18378] FAT-fs (loop1): Can't find a valid FAT filesystem [ 2699.471863][T18384] loop3: detected capacity change from 0 to 4096 [ 2699.484181][T18377] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2699.507356][T18377] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2699.515176][T18377] FAT-fs (loop5): Filesystem has been set read-only 03:17:43 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) tkill(0x0, 0x3a) 03:17:43 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x161, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x0) 03:17:43 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0x8000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) [ 2699.577389][T18377] loop5: detected capacity change from 0 to 256 [ 2699.599932][T18377] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2699.612371][T18407] loop1: detected capacity change from 0 to 32768 03:17:43 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002000000010006000d00000000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) 03:17:43 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x161, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x0) [ 2699.622107][T18407] FAT-fs (loop1): bogus number of reserved sectors [ 2699.628614][T18407] FAT-fs (loop1): Can't find a valid FAT filesystem [ 2699.654255][T18416] loop3: detected capacity change from 0 to 4096 [ 2699.661600][T18377] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2699.669473][T18377] FAT-fs (loop5): Filesystem has been set read-only 03:17:44 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x3, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d}, {0x0, 0x8703000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:17:44 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002000000010006000e00000000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) [ 2699.715712][T18407] loop1: detected capacity change from 0 to 32768 [ 2699.745592][T18407] FAT-fs (loop1): bogus number of reserved sectors [ 2699.752118][T18407] FAT-fs (loop1): Can't find a valid FAT filesystem 03:17:44 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0xa000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) [ 2699.778912][T18440] loop5: detected capacity change from 0 to 256 [ 2699.781387][T18435] loop3: detected capacity change from 0 to 4096 [ 2699.799918][T18440] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2699.811299][T18440] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2699.819116][T18440] FAT-fs (loop5): Filesystem has been set read-only [ 2699.854058][T18440] loop5: detected capacity change from 0 to 256 [ 2699.863214][T18440] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2699.873535][T18455] loop1: detected capacity change from 0 to 40960 [ 2699.883090][T18455] FAT-fs (loop1): bogus number of reserved sectors [ 2699.887451][T18440] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2699.889628][T18455] FAT-fs (loop1): Can't find a valid FAT filesystem 03:17:44 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0xc000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:17:44 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002000000010006010e00000000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) [ 2699.897412][T18440] FAT-fs (loop5): Filesystem has been set read-only [ 2699.979469][T18468] loop3: detected capacity change from 0 to 4096 [ 2699.986200][T18465] loop1: detected capacity change from 0 to 49152 [ 2700.018437][T18465] FAT-fs (loop1): bogus number of reserved sectors [ 2700.024985][T18465] FAT-fs (loop1): Can't find a valid FAT filesystem [ 2700.071651][T18465] loop1: detected capacity change from 0 to 49152 [ 2700.092392][T18465] FAT-fs (loop1): bogus number of reserved sectors [ 2700.098934][T18465] FAT-fs (loop1): Can't find a valid FAT filesystem 03:17:46 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) tkill(0x0, 0x3a) 03:17:46 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x3, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d}, {0x0, 0x8803000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) [ 2702.445230][T18502] loop5: detected capacity change from 0 to 256 [ 2702.453673][T18502] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2702.463894][T18502] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2702.471736][T18502] FAT-fs (loop5): Filesystem has been set read-only [ 2702.510082][T18502] loop5: detected capacity change from 0 to 256 [ 2702.520895][T18502] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2702.539324][T18502] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2702.547230][T18502] FAT-fs (loop5): Filesystem has been set read-only 03:17:46 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) r1 = gettid() tkill(r1, 0x3a) 03:17:46 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002000000010006000f00000000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) 03:17:46 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0xe000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:17:46 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x3, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d}, {0x0, 0x8903000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) [ 2702.635613][T18527] loop1: detected capacity change from 0 to 57344 [ 2702.646842][T18526] loop5: detected capacity change from 0 to 256 [ 2702.658132][T18527] FAT-fs (loop1): bogus number of reserved sectors [ 2702.664743][T18527] FAT-fs (loop1): Can't find a valid FAT filesystem 03:17:47 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) r1 = gettid() tkill(r1, 0x3a) 03:17:47 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2702.689713][T18535] loop3: detected capacity change from 0 to 4096 [ 2702.702724][T18526] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2702.720735][T18527] loop1: detected capacity change from 0 to 57344 [ 2702.731002][T18527] FAT-fs (loop1): bogus number of reserved sectors 03:17:47 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) r1 = gettid() tkill(r1, 0x3a) 03:17:47 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0xe0ffff00000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:17:47 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:17:47 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="8de208f1679d9126a25750cb070000006083f3cf09690f0800000076751e3811ac9d0ddb00000000000027b236630a670057a74244a96187389fa2273b94ba06b9e4e3af9c6ff81d781d007fbe72f2f98608448dad202100dfe301745d4dc463ce5e06d54359b83bd82797e48adf8259a4270ef0d680984d8b6951f5ffcfe21ad81da7c3e70b5c56880a53b4d196eda27aa6d092eea121fe115424ced95ab7670c820a50be3abe9517f9e7a45eed9f8eede002d10bd5edc12efa21cb5ef16cdbbda2e5af18ba8733fb3cb407ee6c4252493d2834faafc1f2169271f1ec5721a6535c16009b43a7efe75322cf3af1d7b48e23185ebf24de7024f010eb56a4d9e6c86f8b507139aea1d0a9590f61c9fe3cc9ffb1e33c047bf53b8bf2ecbaac21c4813235354b7c3f948a5cd67acc8eeed21b4499f259f73ff434c441fd21e9c4ddfbd559baefc62efc3ae274f098f10222fc40f339cac4fdad51fee5f4"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2702.736381][T18526] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2702.737619][T18527] FAT-fs (loop1): Can't find a valid FAT filesystem [ 2702.745395][T18526] FAT-fs (loop5): Filesystem has been set read-only [ 2702.809185][T18526] loop5: detected capacity change from 0 to 256 [ 2702.827679][T18576] loop1: detected capacity change from 0 to 264192 [ 2702.829045][T18526] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2702.860136][T18526] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2702.867960][T18526] FAT-fs (loop5): Filesystem has been set read-only [ 2702.900551][T18576] FAT-fs (loop1): bogus number of reserved sectors [ 2702.907068][T18576] FAT-fs (loop1): Can't find a valid FAT filesystem 03:17:49 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:17:49 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) tkill(0x0, 0x3a) 03:17:49 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:17:49 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x3, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d}, {0x0, 0x8a03000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:17:49 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0x100000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:17:49 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002000000010006fc0f00000000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) [ 2705.458506][T18597] loop3: detected capacity change from 0 to 4096 [ 2705.490810][T18612] loop1: detected capacity change from 0 to 264192 03:17:49 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) tkill(0x0, 0x3a) 03:17:49 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:17:49 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2705.509735][T18611] loop5: detected capacity change from 0 to 256 [ 2705.537458][T18612] FAT-fs (loop1): bogus number of reserved sectors [ 2705.543992][T18612] FAT-fs (loop1): Can't find a valid FAT filesystem [ 2705.544968][T18611] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) 03:17:49 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0x10e000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:17:49 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002000000010006201000000000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) [ 2705.595152][T18611] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2705.603006][T18611] FAT-fs (loop5): Filesystem has been set read-only [ 2705.628010][T18643] loop1: detected capacity change from 0 to 49152 03:17:49 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2705.649727][T18643] FAT-fs (loop1): bogus number of reserved sectors [ 2705.656276][T18643] FAT-fs (loop1): Can't find a valid FAT filesystem [ 2705.664156][T18647] loop3: detected capacity change from 0 to 4096 [ 2705.705443][T18611] loop5: detected capacity change from 0 to 256 [ 2705.712987][T18611] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2705.723131][T18643] loop1: detected capacity change from 0 to 49152 [ 2705.729865][T18611] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2705.731917][T18643] FAT-fs (loop1): bogus number of reserved sectors [ 2705.737675][T18611] FAT-fs (loop5): Filesystem has been set read-only 03:17:50 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002000000010006001100000000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) [ 2705.744174][T18643] FAT-fs (loop1): Can't find a valid FAT filesystem [ 2705.801599][T18677] loop3: detected capacity change from 0 to 4096 03:17:52 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) r1 = gettid() tkill(r1, 0x3a) 03:17:52 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:17:52 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0x200000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:17:52 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002000000010006001200000000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) 03:17:52 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x3, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d}, {0x0, 0x8b03000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) [ 2708.520634][T18700] loop5: detected capacity change from 0 to 256 [ 2708.526724][T18701] loop1: detected capacity change from 0 to 264192 [ 2708.537324][T18698] loop3: detected capacity change from 0 to 4096 [ 2708.550307][T18700] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2708.560203][T18701] FAT-fs (loop1): bogus number of reserved sectors 03:17:52 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) tkill(0x0, 0x3a) 03:17:52 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) r1 = gettid() tkill(r1, 0x3a) 03:17:52 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2708.566715][T18701] FAT-fs (loop1): Can't find a valid FAT filesystem [ 2708.574735][T18700] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2708.582609][T18700] FAT-fs (loop5): Filesystem has been set read-only 03:17:52 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:17:52 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) r1 = gettid() tkill(r1, 0x3a) [ 2708.641018][T18701] loop1: detected capacity change from 0 to 264192 [ 2708.650783][T18701] FAT-fs (loop1): bogus number of reserved sectors [ 2708.657296][T18701] FAT-fs (loop1): Can't find a valid FAT filesystem [ 2708.665089][T18700] loop5: detected capacity change from 0 to 256 [ 2708.676286][T18700] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) 03:17:53 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:17:53 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002000000010006001300000000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) 03:17:53 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:17:53 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2708.694204][T18700] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2708.702096][T18700] FAT-fs (loop5): Filesystem has been set read-only 03:17:53 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0x204000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:17:53 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:17:53 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x3, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d}, {0x0, 0x8c03000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) [ 2708.773511][T18756] loop3: detected capacity change from 0 to 4096 [ 2708.826495][T18773] loop5: detected capacity change from 0 to 256 [ 2708.846322][T18773] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2708.869430][T18773] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2708.877344][T18773] FAT-fs (loop5): Filesystem has been set read-only [ 2708.893367][T18786] loop1: detected capacity change from 0 to 256 [ 2708.901135][T18786] FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2708.912846][T18773] loop5: detected capacity change from 0 to 256 [ 2708.916369][T18786] FAT-fs (loop1): error, invalid access to FAT (entry 0x000000ff) [ 2708.926898][T18786] FAT-fs (loop1): Filesystem has been set read-only [ 2708.934201][T18773] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2708.943868][T18773] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2708.951690][T18773] FAT-fs (loop5): Filesystem has been set read-only [ 2708.970622][T18786] loop1: detected capacity change from 0 to 256 [ 2708.980291][T18786] FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2708.989837][T18786] FAT-fs (loop1): error, invalid access to FAT (entry 0x000000ff) [ 2708.997647][T18786] FAT-fs (loop1): Filesystem has been set read-only 03:17:55 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:17:55 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) tkill(0x0, 0x3a) 03:17:55 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:17:55 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x3, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d}, {0x0, 0x8cffffff00000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:17:55 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0x300000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:17:55 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002000000010006001400000000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) 03:17:55 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:17:55 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2711.612598][T18819] loop1: detected capacity change from 0 to 264192 [ 2711.615235][T18822] loop5: detected capacity change from 0 to 256 [ 2711.634728][T18818] loop3: detected capacity change from 0 to 4096 [ 2711.650780][T18822] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) 03:17:56 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2711.691868][T18822] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2711.699722][T18822] FAT-fs (loop5): Filesystem has been set read-only 03:17:56 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:17:56 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2711.732623][T18819] FAT-fs (loop1): bogus number of reserved sectors [ 2711.739152][T18819] FAT-fs (loop1): Can't find a valid FAT filesystem [ 2711.766439][T18822] loop5: detected capacity change from 0 to 256 03:17:56 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2711.776539][T18822] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2711.795769][T18819] loop1: detected capacity change from 0 to 264192 [ 2711.811698][T18819] FAT-fs (loop1): bogus number of reserved sectors [ 2711.818225][T18819] FAT-fs (loop1): Can't find a valid FAT filesystem [ 2711.825212][T18822] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) 03:17:56 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2711.833083][T18822] FAT-fs (loop5): Filesystem has been set read-only 03:17:58 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) r1 = gettid() tkill(r1, 0x3a) 03:17:58 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002000000010006001500000000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) 03:17:58 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:17:58 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:17:58 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x3, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d}, {0x0, 0x8d03000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:17:58 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0x400000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:17:58 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2714.637362][T18892] loop5: detected capacity change from 0 to 256 [ 2714.646355][T18895] loop1: detected capacity change from 0 to 264192 [ 2714.658043][T18892] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2714.670036][T18892] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2714.677919][T18892] FAT-fs (loop5): Filesystem has been set read-only 03:17:59 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) r1 = gettid() tkill(r1, 0x3a) 03:17:59 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, 0x0, 0x0, 0x2d) tkill(0x0, 0x38) ptrace$setregs(0xd, 0x0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, 0x0, 0x0, 0x0) r0 = gettid() tkill(r0, 0x3a) 03:17:59 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0x500000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) [ 2714.686772][T18895] FAT-fs (loop1): bogus number of reserved sectors [ 2714.693313][T18895] FAT-fs (loop1): Can't find a valid FAT filesystem [ 2714.694370][T18903] loop3: detected capacity change from 0 to 4096 03:17:59 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) r1 = gettid() tkill(r1, 0x3a) [ 2714.754918][T18892] loop5: detected capacity change from 0 to 256 [ 2714.775305][T18892] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2714.788180][T18928] loop1: detected capacity change from 0 to 264192 03:17:59 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:17:59 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2714.806472][T18928] FAT-fs (loop1): bogus number of reserved sectors [ 2714.812456][T18892] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2714.813084][T18928] FAT-fs (loop1): Can't find a valid FAT filesystem [ 2714.820862][T18892] FAT-fs (loop5): Filesystem has been set read-only 03:17:59 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002000000010006001600000000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) 03:17:59 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="8de208f1679d9126a25750cb070000006083f3cf09690f0800000076751e3811ac9d0ddb00000000000027b236630a670057a74244a96187389fa2273b94ba06b9e4e3af9c6ff81d781d007fbe72f2f98608448dad202100dfe301745d4dc463ce5e06d54359b83bd82797e48adf8259a4270ef0d680984d8b6951f5ffcfe21ad81da7c3e70b5c56880a53b4d196eda27aa6d092eea121fe115424ced95ab7670c820a50be3abe9517f9e7a45eed9f8eede002d10bd5edc12efa21cb5ef16cdbbda2e5af18ba8733fb3cb407ee6c4252493d2834faafc1f2169271f1ec5721a6535c16009b43a7efe75322cf3af1d7b48e23185ebf24de7024f010eb56a4d9e6c86f8b507139aea1d0a9590f61c9fe3cc9ffb1e33c047bf53b8bf2ecbaac21c4813235354b7c3f948a5cd67acc8eeed21b4499f259f73ff434c441fd21e9c4ddfbd559baefc62efc3ae274f098f10222fc40f339cac4fdad51fee5f4"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, 0x0, 0x0, 0x2d) tkill(0x0, 0x38) ptrace$setregs(0xd, 0x0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, 0x0, 0x0, 0x0) r0 = gettid() tkill(r0, 0x3a) 03:17:59 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:17:59 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x3, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d}, {0x0, 0x8e03000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:17:59 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0x600000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:17:59 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:17:59 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2714.932624][T18962] loop3: detected capacity change from 0 to 4096 [ 2714.960414][T18974] loop1: detected capacity change from 0 to 264192 [ 2714.981011][T18976] loop5: detected capacity change from 0 to 256 [ 2714.997138][T18976] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2715.020525][T18974] FAT-fs (loop1): bogus number of reserved sectors 03:17:59 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, 0x0, 0x0, 0x2d) tkill(0x0, 0x38) ptrace$setregs(0xd, 0x0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, 0x0, 0x0, 0x0) r0 = gettid() tkill(r0, 0x3a) 03:17:59 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:17:59 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:17:59 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="8de208f1679d9126a25750cb070000006083f3cf09690f0800000076751e3811ac9d0ddb00000000000027b236630a670057a74244a96187389fa2273b94ba06b9e4e3af9c6ff81d781d007fbe72f2f98608448dad202100dfe301745d4dc463ce5e06d54359b83bd82797e48adf8259a4270ef0d680984d8b6951f5ffcfe21ad81da7c3e70b5c56880a53b4d196eda27aa6d092eea121fe115424ced95ab7670c820a50be3abe9517f9e7a45eed9f8eede002d10bd5edc12efa21cb5ef16cdbbda2e5af18ba8733fb3cb407ee6c4252493d2834faafc1f2169271f1ec5721a6535c16009b43a7efe75322cf3af1d7b48e23185ebf24de7024f010eb56a4d9e6c86f8b507139aea1d0a9590f61c9fe3cc9ffb1e33c047bf53b8bf2ecbaac21c4813235354b7c3f948a5cd67acc8eeed21b4499f259f73ff434c441fd21e9c4ddfbd559baefc62efc3ae274f098f1"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:17:59 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="8de208f1679d9126a25750cb070000006083f3cf09690f0800000076751e3811ac9d0ddb00000000000027b236630a670057a74244a96187389fa2273b94ba06b9e4e3af9c6ff81d781d007fbe72f2f98608448dad202100dfe301745d4dc463ce5e06d54359b83bd82797e48adf8259a4270ef0d680984d8b6951f5ffcfe21ad81da7c3e70b5c56880a53b4d196eda27aa6d092eea121fe115424ced95ab7670c820a50be3abe9517f9e7a45eed9f8eede002d10bd5edc12efa21cb5ef16cdbbda2e5af18ba8733fb3cb407ee6c4252493d2834faafc1f2169271f1ec5721a6535c16009b43a7efe75322cf3af1d7b48e23185ebf24de7024f010eb56a4d9e6c86f8b507139aea1d0a9590f61c9fe3cc9ffb1e33c047bf53b8bf2ecbaac21c4813235354b7c3f948a5cd67acc8eeed21b4499f259f73ff434c441fd21e9c4ddfbd559baefc62efc3ae274"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2715.027043][T18974] FAT-fs (loop1): Can't find a valid FAT filesystem [ 2715.030485][T18976] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2715.041451][T18976] FAT-fs (loop5): Filesystem has been set read-only [ 2715.097031][T18974] loop1: detected capacity change from 0 to 264192 [ 2715.127394][T18976] loop5: detected capacity change from 0 to 256 [ 2715.135004][T18974] FAT-fs (loop1): bogus number of reserved sectors 03:17:59 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002000000010006001700000000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) 03:17:59 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:17:59 executing program 0: r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2715.141528][T18974] FAT-fs (loop1): Can't find a valid FAT filesystem [ 2715.150867][T18976] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2715.178307][T18976] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2715.186110][T18976] FAT-fs (loop5): Filesystem has been set read-only 03:17:59 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x3, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d}, {0x0, 0x8f03000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:17:59 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="8de208f1679d9126a25750cb070000006083f3cf09690f0800000076751e3811ac9d0ddb00000000000027b236630a670057a74244a96187389fa2273b94ba06b9e4e3af9c6ff81d781d007fbe72f2f98608448dad202100dfe301745d4dc463ce5e06d54359b83bd82797e48adf8259a4270ef0d680984d8b6951f5ffcfe21ad81da7c3e70b5c56880a53b4d196eda27aa6d092eea121fe115424ced95ab7670c820a50be3abe9517f9e7a45eed9f8eede002d10bd5edc12efa21cb5ef16cdbbda2e5af18ba8733fb3cb407ee6c4252493d2834faafc1f2169271f1ec5721a6535c16009b43a7efe75322cf3af1d7b48e23185ebf24de7024f010eb56a4d9e6c86f8b507139aea1d0a9590f61c9fe3cc9ffb1e33c047bf53b8bf2ecbaac21c4813235354b7c3f948a5cd67acc8eeed21b4499f259f73ff434c441fd21e9c4ddfbd559baefc62efc3ae274"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:17:59 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="8de208f1679d9126a25750cb070000006083f3cf09690f0800000076751e3811ac9d0ddb00000000000027b236630a670057a74244a96187389fa2273b94ba06b9e4e3af9c6ff81d781d007fbe72f2f98608448dad202100dfe301745d4dc463ce5e06d54359b83bd82797e48adf8259a4270ef0d680984d8b6951f5ffcfe21ad81da7c3e70b5c56880a53b4d196eda27aa6d092eea121fe115424ced95ab7670c820a50be3abe9517f9e7a45eed9f8eede002d10bd5edc12efa21cb5ef16cdbbda2e5af18ba8733fb3cb407ee6c4252493d2834faafc1f2169271f1ec5721a6535c16009b43a7efe75322cf3af1d7b48e23185ebf24de7024f010eb56a4d9e6c86f8b507139aea1d0a9590f61c9fe3cc9ffb1e33c047bf53b8bf2ecbaac21c4813235354b7c3f948a5cd67acc8eeed21b4499f259f73ff434c441fd21e9c4ddfbd559baefc62efc3ae274f098f1"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:17:59 executing program 0: r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:17:59 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0x604000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) [ 2715.208811][T19025] loop3: detected capacity change from 0 to 4096 [ 2715.268603][T19037] loop5: detected capacity change from 0 to 256 [ 2715.276375][T19037] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2715.295857][T19037] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2715.303746][T19037] FAT-fs (loop5): Filesystem has been set read-only 03:17:59 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002000000010006001800000000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) 03:17:59 executing program 0: r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:17:59 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:17:59 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2715.316258][T19039] loop1: detected capacity change from 0 to 264192 [ 2715.338171][T19039] FAT-fs (loop1): bogus number of reserved sectors [ 2715.344681][T19039] FAT-fs (loop1): Can't find a valid FAT filesystem 03:17:59 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2715.389115][T19037] loop5: detected capacity change from 0 to 256 [ 2715.402749][T19037] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) 03:17:59 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0x700000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:17:59 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2715.443112][T19071] loop3: detected capacity change from 0 to 4096 [ 2715.462793][T19037] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2715.470710][T19037] FAT-fs (loop5): Filesystem has been set read-only [ 2715.472668][T19079] loop1: detected capacity change from 0 to 264192 03:17:59 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x3, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d}, {0x0, 0x9003000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:17:59 executing program 0: clone(0x0, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:17:59 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:17:59 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="8de208f1679d9126a25750cb070000006083f3cf09690f0800000076751e3811ac9d0ddb00000000000027b236630a670057a74244a96187389fa2273b94ba06b9e4e3af9c6ff81d781d007fbe72f2f98608448dad202100dfe301745d4dc463ce5e06d54359b83bd82797e48adf8259a4270ef0d680984d8b6951f5ffcfe21ad81da7c3e70b5c56880a53b4d196eda27aa6d092eea121fe115424ced95ab7670c820a50be3abe9517f9e7a45eed9f8eede002d10bd5edc12efa21cb5ef16cdbbda2e5af18ba8733fb3cb407ee6c4252493d2834faafc1f2169271f1ec5721a6535c16009b43a7efe75322cf3af1d7b48e23185ebf24de7024f010eb56a4d9e6c86f8b507139aea1d0a9590f61c9fe3cc9ffb1e33c047bf53b8bf2ecbaac21c4813235354b7c3f948a5cd67acc8eeed21b4499f259f73ff434c441fd21e9c4ddfbd559baefc62efc3ae274"}}], 0x1c) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:17:59 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002000000010006001900000000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) 03:17:59 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2715.498562][T19079] FAT-fs (loop1): bogus number of reserved sectors [ 2715.505058][T19079] FAT-fs (loop1): Can't find a valid FAT filesystem 03:17:59 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0x800000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:17:59 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2715.571533][T19099] loop5: detected capacity change from 0 to 256 [ 2715.586112][T19099] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) 03:17:59 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:17:59 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:17:59 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2715.629195][T19099] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2715.637013][T19099] FAT-fs (loop5): Filesystem has been set read-only [ 2715.651877][T19112] loop3: detected capacity change from 0 to 4096 [ 2715.664519][T19119] loop1: detected capacity change from 0 to 264192 03:18:00 executing program 0: clone(0x0, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2715.726372][T19119] FAT-fs (loop1): bogus number of reserved sectors [ 2715.732930][T19119] FAT-fs (loop1): Can't find a valid FAT filesystem [ 2715.751294][T19099] loop5: detected capacity change from 0 to 256 [ 2715.774494][T19099] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2715.789856][T19099] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2715.797668][T19099] FAT-fs (loop5): Filesystem has been set read-only 03:18:00 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x3, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d}, {0x0, 0x9103000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:00 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:00 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0x900000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:00 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:00 executing program 0: clone(0x0, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:00 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002000000010006001a00000000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) 03:18:00 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:00 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, 0x0, 0x0, 0x2d) tkill(0x0, 0x38) ptrace$setregs(0xd, 0x0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, 0x0, 0x0, 0x0) r0 = gettid() tkill(r0, 0x3a) 03:18:00 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2715.901557][T19166] loop1: detected capacity change from 0 to 264192 [ 2715.919858][T19167] loop5: detected capacity change from 0 to 256 [ 2715.927538][T19166] FAT-fs (loop1): bogus number of reserved sectors [ 2715.932529][T19165] loop3: detected capacity change from 0 to 4096 [ 2715.934069][T19166] FAT-fs (loop1): Can't find a valid FAT filesystem 03:18:00 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0xa00000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:00 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, 0x0, 0x0, 0x2d) tkill(0x0, 0x38) ptrace$setregs(0xd, 0x0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, 0x0, 0x0, 0x0) r0 = gettid() tkill(r0, 0x3a) 03:18:00 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2715.982331][T19167] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2716.028012][T19167] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2716.035923][T19167] FAT-fs (loop5): Filesystem has been set read-only [ 2716.077198][T19206] loop1: detected capacity change from 0 to 264192 [ 2716.088672][T19167] loop5: detected capacity change from 0 to 256 [ 2716.096769][T19206] FAT-fs (loop1): bogus number of reserved sectors [ 2716.103314][T19206] FAT-fs (loop1): Can't find a valid FAT filesystem [ 2716.110789][T19167] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2716.127328][T19167] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2716.135269][T19167] FAT-fs (loop5): Filesystem has been set read-only [ 2716.162801][T19206] loop1: detected capacity change from 0 to 264192 [ 2716.171246][T19206] FAT-fs (loop1): bogus number of reserved sectors 03:18:00 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x3, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d}, {0x0, 0x9203000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:00 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, 0x0, 0x0) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:00 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, 0x0, 0x0, 0x2d) tkill(0x0, 0x38) ptrace$setregs(0xd, 0x0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, 0x0, 0x0, 0x0) r0 = gettid() tkill(r0, 0x3a) 03:18:00 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:00 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002000000010006001b00000000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) [ 2716.177761][T19206] FAT-fs (loop1): Can't find a valid FAT filesystem 03:18:00 executing program 2: r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:00 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0xb00000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:00 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:00 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, 0x0, 0x0) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:00 executing program 2: r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2716.266348][T19242] loop5: detected capacity change from 0 to 256 [ 2716.271226][T19235] loop3: detected capacity change from 0 to 4096 [ 2716.301528][T19252] loop1: detected capacity change from 0 to 264192 [ 2716.325066][T19242] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2716.351539][T19242] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2716.359378][T19242] FAT-fs (loop5): Filesystem has been set read-only [ 2716.368408][T19252] FAT-fs (loop1): bogus number of reserved sectors 03:18:00 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0xc00000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:00 executing program 2: r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2716.374923][T19252] FAT-fs (loop1): Can't find a valid FAT filesystem [ 2716.438949][T19235] loop3: detected capacity change from 0 to 4096 [ 2716.451459][T19274] loop1: detected capacity change from 0 to 264192 [ 2716.453538][T19242] loop5: detected capacity change from 0 to 256 [ 2716.466011][T19274] FAT-fs (loop1): bogus number of reserved sectors [ 2716.472552][T19274] FAT-fs (loop1): Can't find a valid FAT filesystem [ 2716.485119][T19242] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2716.504299][T19242] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2716.512233][T19242] FAT-fs (loop5): Filesystem has been set read-only 03:18:00 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x3, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d}, {0x0, 0x97ffffff00000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:00 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, 0x0, 0x0, 0x2d) tkill(0x0, 0x38) ptrace$setregs(0xd, 0x0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, 0x0, 0x0, 0x0) r0 = gettid() tkill(r0, 0x3a) 03:18:00 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, 0x0, 0x0) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:00 executing program 2: clone(0x0, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:00 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0xd00000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:00 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002000000010006001c00000000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) 03:18:00 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, 0x0, 0x0, 0x2d) tkill(0x0, 0x38) ptrace$setregs(0xd, 0x0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, 0x0, 0x0, 0x0) r0 = gettid() tkill(r0, 0x3a) [ 2716.599754][T19302] loop5: detected capacity change from 0 to 256 [ 2716.612540][T19303] loop3: detected capacity change from 0 to 4096 [ 2716.615602][T19311] loop1: detected capacity change from 0 to 264192 [ 2716.626553][T19302] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) 03:18:00 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0), 0x0) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2716.674025][T19302] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2716.681876][T19302] FAT-fs (loop5): Filesystem has been set read-only [ 2716.696314][T19311] FAT-fs (loop1): bogus number of reserved sectors [ 2716.702861][T19311] FAT-fs (loop1): Can't find a valid FAT filesystem 03:18:01 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0), 0x0) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:01 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0xe00000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:01 executing program 2: clone(0x0, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:01 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, 0x0, 0x0, 0x2d) tkill(0x0, 0x38) ptrace$setregs(0xd, 0x0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, 0x0, 0x0, 0x0) r0 = gettid() tkill(r0, 0x3a) [ 2716.729042][T19302] loop5: detected capacity change from 0 to 256 [ 2716.746864][T19302] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2716.811790][T19302] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2716.819643][T19302] FAT-fs (loop5): Filesystem has been set read-only [ 2716.832282][T19342] loop1: detected capacity change from 0 to 264192 [ 2716.843862][T19342] FAT-fs (loop1): bogus number of reserved sectors [ 2716.850392][T19342] FAT-fs (loop1): Can't find a valid FAT filesystem 03:18:01 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x3, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d}, {0x0, 0xdaffffff00000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:01 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002000000010006001d00000000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) 03:18:01 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0), 0x0) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:01 executing program 4: r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:01 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0xf00000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:01 executing program 2: clone(0x0, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:01 executing program 4: r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:01 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x0, 0x0}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2716.928601][T19364] loop1: detected capacity change from 0 to 264192 [ 2716.931292][T19366] loop3: detected capacity change from 0 to 4096 03:18:01 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x0, 0x0}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2716.999992][T19381] loop5: detected capacity change from 0 to 256 [ 2717.006527][T19364] FAT-fs (loop1): bogus number of reserved sectors [ 2717.013061][T19364] FAT-fs (loop1): Can't find a valid FAT filesystem 03:18:01 executing program 4: r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:01 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, 0x0, 0x0) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2717.044855][T19364] loop1: detected capacity change from 0 to 264192 [ 2717.070069][T19381] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2717.081270][T19364] FAT-fs (loop1): bogus number of reserved sectors [ 2717.087830][T19364] FAT-fs (loop1): Can't find a valid FAT filesystem 03:18:01 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002000000010006001e00000000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) [ 2717.115231][T19381] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2717.123195][T19381] FAT-fs (loop5): Filesystem has been set read-only [ 2717.171868][T19410] loop3: detected capacity change from 0 to 4096 [ 2717.199574][T19381] loop5: detected capacity change from 0 to 256 [ 2717.210194][T19381] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2717.223643][T19381] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2717.231520][T19381] FAT-fs (loop5): Filesystem has been set read-only 03:18:01 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x3, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d}, {0x0, 0xe526000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:01 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x0, 0x0}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:01 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, 0x0, 0x0) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:01 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0x1000000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:01 executing program 4: clone(0x0, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:01 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002000000010006001f00000000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) 03:18:01 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, 0x0, 0x0) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:01 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x0, &(0x7f0000000140)}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2717.328150][T19444] loop5: detected capacity change from 0 to 256 [ 2717.330833][T19448] loop1: detected capacity change from 0 to 264192 [ 2717.350142][T19446] loop3: detected capacity change from 0 to 4096 03:18:01 executing program 4: clone(0x0, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="8de208f1679d9126a25750cb070000006083f3cf09690f0800000076751e3811ac9d0ddb00000000000027b236630a670057a74244a96187389fa2273b94ba06b9e4e3af9c6ff81d781d007fbe72f2f98608448dad202100dfe301745d4dc463ce5e06d54359b83bd82797e48adf8259a4270ef0d680984d8b6951f5ffcfe21ad81da7c3e70b5c56880a53b4d196eda27aa6d092eea121fe115424ced95ab7670c820a50be3abe9517f9e7a45eed9f8eede002d10bd5edc12efa21cb5ef16cdbbda2e5af18ba8733fb3cb407ee6c4252493d2834faafc1f2169271f1ec5721a6535c16009b43a7efe75322cf3af1d7b48e23185ebf24de7024f010eb56a4d9e6c86f8b507139aea1d0a9590f61c9fe3cc9ffb1e33c047bf53b8bf2ecbaac21c4813235354b7c3f948a5cd67acc8eeed21b4499f259f73ff434c441fd21e9c4ddfbd559baefc62efc3ae274f098f1"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:01 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x0, &(0x7f0000000140)}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:01 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0x1100000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) [ 2717.397642][T19444] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2717.405533][T19448] FAT-fs (loop1): bogus number of reserved sectors [ 2717.413310][T19448] FAT-fs (loop1): Can't find a valid FAT filesystem [ 2717.419188][T19444] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2717.427847][T19444] FAT-fs (loop5): Filesystem has been set read-only 03:18:01 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002000000010006002000000000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) [ 2717.489584][T19444] loop5: detected capacity change from 0 to 256 [ 2717.496911][T19444] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2717.521977][T19491] loop1: detected capacity change from 0 to 264192 [ 2717.528933][T19444] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) 03:18:01 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x3, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d}, {0x0, 0xe926000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:01 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0), 0x0) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:01 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x0, &(0x7f0000000140)}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:01 executing program 4: clone(0x0, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:01 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0x1200000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) [ 2717.536753][T19444] FAT-fs (loop5): Filesystem has been set read-only [ 2717.545610][T19491] FAT-fs (loop1): bogus number of reserved sectors [ 2717.552132][T19491] FAT-fs (loop1): Can't find a valid FAT filesystem [ 2717.567562][T19493] loop3: detected capacity change from 0 to 4096 03:18:01 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0), 0x0) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2717.644908][T19514] loop5: detected capacity change from 0 to 256 [ 2717.676473][T19525] loop1: detected capacity change from 0 to 264192 03:18:02 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002000000010006102000000000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) [ 2717.688507][T19514] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) 03:18:02 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0xae, &(0x7f0000000140)="8de208f1679d9126a25750cb070000006083f3cf09690f0800000076751e3811ac9d0ddb00000000000027b236630a670057a74244a96187389fa2273b94ba06b9e4e3af9c6ff81d781d007fbe72f2f98608448dad202100dfe301745d4dc463ce5e06d54359b83bd82797e48adf8259a4270ef0d680984d8b6951f5ffcfe21ad81da7c3e70b5c56880a53b4d196eda27aa6d092eea121fe115424ced95ab7670c820a50be3abe9517f9e7a45eed"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:02 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0), 0x0) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:02 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, 0x0, 0x0) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2717.718100][T19514] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2717.725924][T19514] FAT-fs (loop5): Filesystem has been set read-only [ 2717.746256][T19525] FAT-fs (loop1): bogus number of reserved sectors [ 2717.752786][T19525] FAT-fs (loop1): Can't find a valid FAT filesystem 03:18:02 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x0, 0x0}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:02 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0xae, &(0x7f0000000140)="8de208f1679d9126a25750cb070000006083f3cf09690f0800000076751e3811ac9d0ddb00000000000027b236630a670057a74244a96187389fa2273b94ba06b9e4e3af9c6ff81d781d007fbe72f2f98608448dad202100dfe301745d4dc463ce5e06d54359b83bd82797e48adf8259a4270ef0d680984d8b6951f5ffcfe21ad81da7c3e70b5c56880a53b4d196eda27aa6d092eea121fe115424ced95ab7670c820a50be3abe9517f9e7a45eed"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2717.799703][T19514] loop5: detected capacity change from 0 to 256 [ 2717.806801][T19541] loop3: detected capacity change from 0 to 4096 [ 2717.817110][T19514] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2717.871137][T19514] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2717.878985][T19514] FAT-fs (loop5): Filesystem has been set read-only 03:18:02 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x3, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d}, {0x0, 0xf193dc9c00000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:02 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x0, 0x0}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:02 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, 0x0, 0x0) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:02 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0xae, &(0x7f0000000140)="8de208f1679d9126a25750cb070000006083f3cf09690f0800000076751e3811ac9d0ddb00000000000027b236630a670057a74244a96187389fa2273b94ba06b9e4e3af9c6ff81d781d007fbe72f2f98608448dad202100dfe301745d4dc463ce5e06d54359b83bd82797e48adf8259a4270ef0d680984d8b6951f5ffcfe21ad81da7c3e70b5c56880a53b4d196eda27aa6d092eea121fe115424ced95ab7670c820a50be3abe9517f9e7a45eed"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2717.922013][T19525] loop1: detected capacity change from 0 to 264192 [ 2717.958159][T19525] FAT-fs (loop1): bogus number of reserved sectors [ 2717.964779][T19525] FAT-fs (loop1): Can't find a valid FAT filesystem [ 2717.996030][T19581] loop5: detected capacity change from 0 to 256 [ 2718.025894][T19581] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) 03:18:02 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0x2000000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:02 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002000000010006002100000000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) 03:18:02 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, 0x0, 0x0) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:02 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x0, 0x0}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:02 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x105, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:02 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x0, &(0x7f0000000140)}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2718.057044][T19581] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2718.064897][T19581] FAT-fs (loop5): Filesystem has been set read-only 03:18:02 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x105, &(0x7f0000000140)="8de208f1679d9126a25750cb070000006083f3cf09690f0800000076751e3811ac9d0ddb00000000000027b236630a670057a74244a96187389fa2273b94ba06b9e4e3af9c6ff81d781d007fbe72f2f98608448dad202100dfe301745d4dc463ce5e06d54359b83bd82797e48adf8259a4270ef0d680984d8b6951f5ffcfe21ad81da7c3e70b5c56880a53b4d196eda27aa6d092eea121fe115424ced95ab7670c820a50be3abe9517f9e7a45eed9f8eede002d10bd5edc12efa21cb5ef16cdbbda2e5af18ba8733fb3cb407ee6c4252493d2834faafc1f2169271f1ec5721a6535c16009b43a7efe75322cf3af1d7b48e23185ebf24de7024f010eb56a4d9e6c86f8b5071"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:02 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0), 0x0) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2718.119428][T19581] loop5: detected capacity change from 0 to 256 [ 2718.132086][T19603] loop3: detected capacity change from 0 to 4096 [ 2718.152548][T19581] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2718.186748][T19581] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2718.194584][T19581] FAT-fs (loop5): Filesystem has been set read-only [ 2718.215927][T19615] loop1: detected capacity change from 0 to 264192 [ 2718.227639][T19615] FAT-fs (loop1): bogus number of reserved sectors 03:18:02 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x3, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d}, {0x0, 0xf6ffffff00000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:02 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x0, &(0x7f0000000140)}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:02 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x105, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:02 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0), 0x0) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2718.234151][T19615] FAT-fs (loop1): Can't find a valid FAT filesystem 03:18:02 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0x2010000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:02 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002000000010006002200000000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) 03:18:02 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x0, &(0x7f0000000140)}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:02 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x131, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:02 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0xa6, &(0x7f0000000140)="8de208f1679d9126a25750cb070000006083f3cf09690f0800000076751e3811ac9d0ddb00000000000027b236630a670057a74244a96187389fa2273b94ba06b9e4e3af9c6ff81d781d007fbe72f2f98608448dad202100dfe301745d4dc463ce5e06d54359b83bd82797e48adf8259a4270ef0d680984d8b6951f5ffcfe21ad81da7c3e70b5c56880a53b4d196eda27aa6d092eea121fe115424ced95ab7670c820a50be3a"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2718.322943][T19642] loop5: detected capacity change from 0 to 256 03:18:02 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0), 0x0) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:02 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x131, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2718.369801][T19656] loop3: detected capacity change from 0 to 4096 [ 2718.379318][T19657] loop1: detected capacity change from 0 to 264192 [ 2718.379384][T19642] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) 03:18:02 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0xa6, &(0x7f0000000140)="8de208f1679d9126a25750cb070000006083f3cf09690f0800000076751e3811ac9d0ddb00000000000027b236630a670057a74244a96187389fa2273b94ba06b9e4e3af9c6ff81d781d007fbe72f2f98608448dad202100dfe301745d4dc463ce5e06d54359b83bd82797e48adf8259a4270ef0d680984d8b6951f5ffcfe21ad81da7c3e70b5c56880a53b4d196eda27aa6d092eea121fe115424ced95ab7670c820a50be3a"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2718.438462][T19657] FAT-fs (loop1): bogus number of reserved sectors [ 2718.444997][T19657] FAT-fs (loop1): Can't find a valid FAT filesystem [ 2718.461153][T19642] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2718.468999][T19642] FAT-fs (loop5): Filesystem has been set read-only [ 2718.525399][T19642] loop5: detected capacity change from 0 to 256 [ 2718.534475][T19642] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2718.555163][T19642] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2718.563008][T19642] FAT-fs (loop5): Filesystem has been set read-only 03:18:02 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x3, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d}, {0x0, 0xf9fdffff00000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:02 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x0, 0x0}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:02 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x131, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:02 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002000000010006002300000000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) 03:18:02 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0xa6, &(0x7f0000000140)="8de208f1679d9126a25750cb070000006083f3cf09690f0800000076751e3811ac9d0ddb00000000000027b236630a670057a74244a96187389fa2273b94ba06b9e4e3af9c6ff81d781d007fbe72f2f98608448dad202100dfe301745d4dc463ce5e06d54359b83bd82797e48adf8259a4270ef0d680984d8b6951f5ffcfe21ad81da7c3e70b5c56880a53b4d196eda27aa6d092eea121fe115424ced95ab7670c820a50be3a"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:02 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0x2200000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:03 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x0, 0x0}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:03 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0xf9, &(0x7f0000000140)="8de208f1679d9126a25750cb070000006083f3cf09690f0800000076751e3811ac9d0ddb00000000000027b236630a670057a74244a96187389fa2273b94ba06b9e4e3af9c6ff81d781d007fbe72f2f98608448dad202100dfe301745d4dc463ce5e06d54359b83bd82797e48adf8259a4270ef0d680984d8b6951f5ffcfe21ad81da7c3e70b5c56880a53b4d196eda27aa6d092eea121fe115424ced95ab7670c820a50be3abe9517f9e7a45eed9f8eede002d10bd5edc12efa21cb5ef16cdbbda2e5af18ba8733fb3cb407ee6c4252493d2834faafc1f2169271f1ec5721a6535c16009b43a7efe75322cf3af1d7b48e23185ebf24de7024"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2718.672981][T19715] loop5: detected capacity change from 0 to 256 [ 2718.680910][T19712] loop3: detected capacity change from 0 to 4096 [ 2718.682512][T19715] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2718.704676][T19713] loop1: detected capacity change from 0 to 249856 03:18:03 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x0, 0x0}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:03 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x147, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:03 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0xf9, &(0x7f0000000140)="8de208f1679d9126a25750cb070000006083f3cf09690f0800000076751e3811ac9d0ddb00000000000027b236630a670057a74244a96187389fa2273b94ba06b9e4e3af9c6ff81d781d007fbe72f2f98608448dad202100dfe301745d4dc463ce5e06d54359b83bd82797e48adf8259a4270ef0d680984d8b6951f5ffcfe21ad81da7c3e70b5c56880a53b4d196eda27aa6d092eea121fe115424ced95ab7670c820a50be3abe9517f9e7a45eed9f8eede002d10bd5edc12efa21cb5ef16cdbbda2e5af18ba8733fb3cb407ee6c4252493d2834faafc1f2169271f1ec5721a6535c16009b43a7efe75322cf3af1d7b48e23185ebf24de7024"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2718.722519][T19715] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2718.730357][T19715] FAT-fs (loop5): Filesystem has been set read-only [ 2718.755977][T19713] FAT-fs (loop1): bogus number of reserved sectors [ 2718.762551][T19713] FAT-fs (loop1): Can't find a valid FAT filesystem 03:18:03 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0x2500000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) [ 2718.862694][T19758] loop1: detected capacity change from 0 to 225280 [ 2718.869706][T19715] loop5: detected capacity change from 0 to 256 [ 2718.872568][T19758] FAT-fs (loop1): bogus number of reserved sectors [ 2718.882466][T19758] FAT-fs (loop1): Can't find a valid FAT filesystem [ 2718.897997][T19715] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) 03:18:03 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x3, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d}, {0x0, 0xfc00000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) [ 2718.915710][T19715] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2718.923544][T19715] FAT-fs (loop5): Filesystem has been set read-only 03:18:03 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x147, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:03 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x0, &(0x7f0000000140)}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:03 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0xf9, &(0x7f0000000140)="8de208f1679d9126a25750cb070000006083f3cf09690f0800000076751e3811ac9d0ddb00000000000027b236630a670057a74244a96187389fa2273b94ba06b9e4e3af9c6ff81d781d007fbe72f2f98608448dad202100dfe301745d4dc463ce5e06d54359b83bd82797e48adf8259a4270ef0d680984d8b6951f5ffcfe21ad81da7c3e70b5c56880a53b4d196eda27aa6d092eea121fe115424ced95ab7670c820a50be3abe9517f9e7a45eed9f8eede002d10bd5edc12efa21cb5ef16cdbbda2e5af18ba8733fb3cb407ee6c4252493d2834faafc1f2169271f1ec5721a6535c16009b43a7efe75322cf3af1d7b48e23185ebf24de7024"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:03 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002000000010006002400000000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) 03:18:03 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0x3f00000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:03 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x147, &(0x7f0000000140)="8de208f1679d9126a25750cb070000006083f3cf09690f0800000076751e3811ac9d0ddb00000000000027b236630a670057a74244a96187389fa2273b94ba06b9e4e3af9c6ff81d781d007fbe72f2f98608448dad202100dfe301745d4dc463ce5e06d54359b83bd82797e48adf8259a4270ef0d680984d8b6951f5ffcfe21ad81da7c3e70b5c56880a53b4d196eda27aa6d092eea121fe115424ced95ab7670c820a50be3abe9517f9e7a45eed9f8eede002d10bd5edc12efa21cb5ef16cdbbda2e5af18ba8733fb3cb407ee6c4252493d2834faafc1f2169271f1ec5721a6535c16009b43a7efe75322cf3af1d7b48e23185ebf24de7024f010eb56a4d9e6c86f8b507139aea1d0a9590f61c9fe3cc9ffb1e33c047bf53b8bf2ecbaac21c4813235354b7c3f948a5cd67acc8eeed21b4499f259f73ff434c441fd21e9c4ddfbd559baefc62e"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:03 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x0, &(0x7f0000000140)}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2719.052941][T19780] loop3: detected capacity change from 0 to 4096 [ 2719.086552][T19789] loop1: detected capacity change from 0 to 12288 03:18:03 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x122, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2719.109466][T19794] loop5: detected capacity change from 0 to 256 [ 2719.137428][T19789] FAT-fs (loop1): bogus number of reserved sectors [ 2719.143973][T19789] FAT-fs (loop1): Can't find a valid FAT filesystem 03:18:03 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x152, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:03 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x0, &(0x7f0000000140)}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2719.167744][T19794] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) 03:18:03 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x122, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2719.214620][T19794] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2719.222467][T19794] FAT-fs (loop5): Filesystem has been set read-only [ 2719.279610][T19789] loop1: detected capacity change from 0 to 12288 [ 2719.294097][T19789] FAT-fs (loop1): bogus number of reserved sectors [ 2719.300637][T19789] FAT-fs (loop1): Can't find a valid FAT filesystem [ 2719.340159][T19794] loop5: detected capacity change from 0 to 256 [ 2719.351312][T19794] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2719.377451][T19794] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2719.385254][T19794] FAT-fs (loop5): Filesystem has been set read-only 03:18:03 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x3, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d}, {0x0, 0xfdfdffff00000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:03 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002000000010006002500000000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) 03:18:03 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x152, &(0x7f0000000140)="8de208f1679d9126a25750cb070000006083f3cf09690f0800000076751e3811ac9d0ddb00000000000027b236630a670057a74244a96187389fa2273b94ba06b9e4e3af9c6ff81d781d007fbe72f2f98608448dad202100dfe301745d4dc463ce5e06d54359b83bd82797e48adf8259a4270ef0d680984d8b6951f5ffcfe21ad81da7c3e70b5c56880a53b4d196eda27aa6d092eea121fe115424ced95ab7670c820a50be3abe9517f9e7a45eed9f8eede002d10bd5edc12efa21cb5ef16cdbbda2e5af18ba8733fb3cb407ee6c4252493d2834faafc1f2169271f1ec5721a6535c16009b43a7efe75322cf3af1d7b48e23185ebf24de7024f010eb56a4d9e6c86f8b507139aea1d0a9590f61c9fe3cc9ffb1e33c047bf53b8bf2ecbaac21c4813235354b7c3f948a5cd67acc8eeed21b4499f259f73ff434c441fd21e9c4ddfbd559baefc62efc3ae274f098f10222fc40"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:03 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x122, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:03 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0x4000000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:03 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0xa7, &(0x7f0000000140)="8de208f1679d9126a25750cb070000006083f3cf09690f0800000076751e3811ac9d0ddb00000000000027b236630a670057a74244a96187389fa2273b94ba06b9e4e3af9c6ff81d781d007fbe72f2f98608448dad202100dfe301745d4dc463ce5e06d54359b83bd82797e48adf8259a4270ef0d680984d8b6951f5ffcfe21ad81da7c3e70b5c56880a53b4d196eda27aa6d092eea121fe115424ced95ab7670c820a50be3abe"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2719.503915][T19851] loop1: detected capacity change from 0 to 4096 [ 2719.517003][T19855] loop5: detected capacity change from 0 to 256 [ 2719.525235][T19850] loop3: detected capacity change from 0 to 4096 03:18:03 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x152, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:03 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x137, &(0x7f0000000140)="8de208f1679d9126a25750cb070000006083f3cf09690f0800000076751e3811ac9d0ddb00000000000027b236630a670057a74244a96187389fa2273b94ba06b9e4e3af9c6ff81d781d007fbe72f2f98608448dad202100dfe301745d4dc463ce5e06d54359b83bd82797e48adf8259a4270ef0d680984d8b6951f5ffcfe21ad81da7c3e70b5c56880a53b4d196eda27aa6d092eea121fe115424ced95ab7670c820a50be3abe9517f9e7a45eed9f8eede002d10bd5edc12efa21cb5ef16cdbbda2e5af18ba8733fb3cb407ee6c4252493d2834faafc1f2169271f1ec5721a6535c16009b43a7efe75322cf3af1d7b48e23185ebf24de7024f010eb56a4d9e6c86f8b507139aea1d0a9590f61c9fe3cc9ffb1e33c047bf53b8bf2ecbaac21c4813235354b7c3f948a5cd67acc8eeed21b4499f259f73f"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:03 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0xa7, &(0x7f0000000140)="8de208f1679d9126a25750cb070000006083f3cf09690f0800000076751e3811ac9d0ddb00000000000027b236630a670057a74244a96187389fa2273b94ba06b9e4e3af9c6ff81d781d007fbe72f2f98608448dad202100dfe301745d4dc463ce5e06d54359b83bd82797e48adf8259a4270ef0d680984d8b6951f5ffcfe21ad81da7c3e70b5c56880a53b4d196eda27aa6d092eea121fe115424ced95ab7670c820a50be3abe"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2719.552618][T19851] FAT-fs (loop1): bogus number of reserved sectors [ 2719.559162][T19851] FAT-fs (loop1): Can't find a valid FAT filesystem [ 2719.580999][T19855] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) 03:18:03 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002000000010006002600000000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) [ 2719.619669][T19855] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2719.627517][T19855] FAT-fs (loop5): Filesystem has been set read-only [ 2719.657262][T19851] loop1: detected capacity change from 0 to 4096 03:18:03 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x137, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:04 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0xa7, &(0x7f0000000140)="8de208f1679d9126a25750cb070000006083f3cf09690f0800000076751e3811ac9d0ddb00000000000027b236630a670057a74244a96187389fa2273b94ba06b9e4e3af9c6ff81d781d007fbe72f2f98608448dad202100dfe301745d4dc463ce5e06d54359b83bd82797e48adf8259a4270ef0d680984d8b6951f5ffcfe21ad81da7c3e70b5c56880a53b4d196eda27aa6d092eea121fe115424ced95ab7670c820a50be3abe"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2719.673793][T19855] loop5: detected capacity change from 0 to 256 [ 2719.710372][T19851] FAT-fs (loop1): bogus number of reserved sectors [ 2719.716887][T19851] FAT-fs (loop1): Can't find a valid FAT filesystem [ 2719.726366][T19855] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2719.740162][T19855] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2719.748006][T19855] FAT-fs (loop5): Filesystem has been set read-only [ 2719.755430][T19896] loop3: detected capacity change from 0 to 4096 03:18:04 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x3, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d}, {0x0, 0xfdffffff00000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:04 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x157, &(0x7f0000000140)="8de208f1679d9126a25750cb070000006083f3cf09690f0800000076751e3811ac9d0ddb00000000000027b236630a670057a74244a96187389fa2273b94ba06b9e4e3af9c6ff81d781d007fbe72f2f98608448dad202100dfe301745d4dc463ce5e06d54359b83bd82797e48adf8259a4270ef0d680984d8b6951f5ffcfe21ad81da7c3e70b5c56880a53b4d196eda27aa6d092eea121fe115424ced95ab7670c820a50be3abe9517f9e7a45eed9f8eede002d10bd5edc12efa21cb5ef16cdbbda2e5af18ba8733fb3cb407ee6c4252493d2834faafc1f2169271f1ec5721a6535c16009b43a7efe75322cf3af1d7b48e23185ebf24de7024f010eb56a4d9e6c86f8b507139aea1d0a9590f61c9fe3cc9ffb1e33c047bf53b8bf2ecbaac21c4813235354b7c3f948a5cd67acc8eeed21b4499f259f73ff434c441fd21e9c4ddfbd559baefc62efc3ae274f098f10222fc40f339cac4fd"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:04 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x137, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:04 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0x4000080000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:04 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0xfb, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:04 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002000000010006002700000000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) 03:18:04 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0xfb, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:04 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x157, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2719.863581][T19934] loop5: detected capacity change from 0 to 256 [ 2719.864849][T19936] loop1: detected capacity change from 0 to 264192 [ 2719.902016][T19934] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) 03:18:04 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x141, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:04 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0xfb, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2719.937130][T19934] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2719.945094][T19934] FAT-fs (loop5): Filesystem has been set read-only [ 2719.952151][T19936] FAT-fs (loop1): bogus number of reserved sectors [ 2719.958728][T19936] FAT-fs (loop1): Can't find a valid FAT filesystem [ 2719.966467][T19947] loop3: detected capacity change from 0 to 4096 03:18:04 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x157, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:04 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0x4200000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) [ 2720.023637][T19934] loop5: detected capacity change from 0 to 256 [ 2720.048201][T19934] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2720.089522][T19934] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2720.097462][T19934] FAT-fs (loop5): Filesystem has been set read-only [ 2720.118529][T19981] loop1: detected capacity change from 0 to 264192 [ 2720.130102][T19981] FAT-fs (loop1): bogus number of reserved sectors 03:18:04 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x3, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d}, {0x0, 0xfeffffff00000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:04 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002000000010006002800000000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) 03:18:04 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x141, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:04 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x125, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:04 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15a, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2720.136631][T19981] FAT-fs (loop1): Can't find a valid FAT filesystem 03:18:04 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0x4300000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) [ 2720.179136][T19988] loop3: detected capacity change from 0 to 4096 [ 2720.218956][T19994] loop1: detected capacity change from 0 to 264192 03:18:04 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x125, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:04 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15a, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:04 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x141, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2720.231101][T19994] FAT-fs (loop1): bogus number of reserved sectors [ 2720.237626][T19994] FAT-fs (loop1): Can't find a valid FAT filesystem [ 2720.250179][T20008] loop5: detected capacity change from 0 to 256 03:18:04 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x125, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:04 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15a, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2720.273185][T20008] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) 03:18:04 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002000000010006002900000000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) [ 2720.329353][T19994] loop1: detected capacity change from 0 to 264192 [ 2720.345025][T19994] FAT-fs (loop1): bogus number of reserved sectors [ 2720.349314][T20008] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2720.351570][T19994] FAT-fs (loop1): Can't find a valid FAT filesystem [ 2720.359368][T20008] FAT-fs (loop5): Filesystem has been set read-only [ 2720.403918][T20040] loop3: detected capacity change from 0 to 4096 [ 2720.475853][T20008] loop5: detected capacity change from 0 to 256 [ 2720.496632][T20008] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2720.506667][T20008] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2720.515000][T20008] FAT-fs (loop5): Filesystem has been set read-only 03:18:04 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x3, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d}, {0x0, 0xfeffffffffffffff}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:04 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x146, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:04 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x13a, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:04 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:04 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0x4400000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:04 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002000000010006002a00000000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) 03:18:04 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x13a, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2720.595746][T20070] loop3: detected capacity change from 0 to 4096 [ 2720.598562][T20072] loop5: detected capacity change from 0 to 256 [ 2720.615996][T20078] loop1: detected capacity change from 0 to 264192 03:18:04 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:04 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x146, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2720.651479][T20078] FAT-fs (loop1): bogus number of reserved sectors [ 2720.658013][T20078] FAT-fs (loop1): Can't find a valid FAT filesystem [ 2720.667844][T20072] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) 03:18:05 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0x4500000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:05 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2720.698455][T20072] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2720.706385][T20072] FAT-fs (loop5): Filesystem has been set read-only 03:18:05 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x146, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2720.759367][T20072] loop5: detected capacity change from 0 to 256 [ 2720.775740][T20103] loop1: detected capacity change from 0 to 264192 [ 2720.789370][T20072] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) 03:18:05 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x3, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d}, {0x0, 0xff00000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:05 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x13a, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:05 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x0, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:05 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002000000010006002b00000000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) 03:18:05 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x149, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:05 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0x4600000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) [ 2720.824226][T20072] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2720.829353][T20103] FAT-fs (loop1): bogus number of reserved sectors [ 2720.832072][T20072] FAT-fs (loop5): Filesystem has been set read-only [ 2720.845147][T20103] FAT-fs (loop1): Can't find a valid FAT filesystem 03:18:05 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x149, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2720.893767][T20126] loop3: detected capacity change from 0 to 4096 [ 2720.906118][T20136] loop5: detected capacity change from 0 to 256 03:18:05 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x0, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2720.941315][T20136] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2720.955662][T20143] loop1: detected capacity change from 0 to 264192 [ 2720.963601][T20136] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2720.971438][T20136] FAT-fs (loop5): Filesystem has been set read-only 03:18:05 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0x4700000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) [ 2720.987577][T20143] FAT-fs (loop1): bogus number of reserved sectors [ 2720.994088][T20143] FAT-fs (loop1): Can't find a valid FAT filesystem 03:18:05 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x144, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:05 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x0, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:05 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x149, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2721.039872][T20136] loop5: detected capacity change from 0 to 256 [ 2721.054327][T20136] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2721.071444][T20136] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2721.079291][T20136] FAT-fs (loop5): Filesystem has been set read-only [ 2721.080611][T20172] loop1: detected capacity change from 0 to 264192 03:18:05 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x3, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d}, {0x0, 0xff0f000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:05 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002000000010006002c00000000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) 03:18:05 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x144, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:05 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, 0x0, 0x0, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:05 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14a, &(0x7f0000000140)="8de208f1679d9126a25750cb070000006083f3cf09690f0800000076751e3811ac9d0ddb00000000000027b236630a670057a74244a96187389fa2273b94ba06b9e4e3af9c6ff81d781d007fbe72f2f98608448dad202100dfe301745d4dc463ce5e06d54359b83bd82797e48adf8259a4270ef0d680984d8b6951f5ffcfe21ad81da7c3e70b5c56880a53b4d196eda27aa6d092eea121fe115424ced95ab7670c820a50be3abe9517f9e7a45eed9f8eede002d10bd5edc12efa21cb5ef16cdbbda2e5af18ba8733fb3cb407ee6c4252493d2834faafc1f2169271f1ec5721a6535c16009b43a7efe75322cf3af1d7b48e23185ebf24de7024f010eb56a4d9e6c86f8b507139aea1d0a9590f61c9fe3cc9ffb1e33c047bf53b8bf2ecbaac21c4813235354b7c3f948a5cd67acc8eeed21b4499f259f73ff434c441fd21e9c4ddfbd559baefc62efc3ae2"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:05 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x144, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:05 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, 0x0, 0x0, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:05 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14a, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2721.161668][T20172] FAT-fs (loop1): bogus number of reserved sectors [ 2721.168214][T20172] FAT-fs (loop1): Can't find a valid FAT filesystem [ 2721.198416][T20205] loop5: detected capacity change from 0 to 256 03:18:05 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0x4800000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) [ 2721.248733][T20205] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2721.250446][T20206] loop3: detected capacity change from 0 to 4096 [ 2721.285312][T20205] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) 03:18:05 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, 0x0, 0x0, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2721.293335][T20205] FAT-fs (loop5): Filesystem has been set read-only [ 2721.313748][T20221] loop1: detected capacity change from 0 to 264192 03:18:05 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14a, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:05 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x149, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2721.342505][T20221] FAT-fs (loop1): bogus number of reserved sectors [ 2721.349033][T20221] FAT-fs (loop1): Can't find a valid FAT filesystem [ 2721.408373][T20205] loop5: detected capacity change from 0 to 256 [ 2721.429098][T20205] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2721.466574][T20205] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2721.474401][T20205] FAT-fs (loop5): Filesystem has been set read-only 03:18:05 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x3, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d}, {0x0, 0xff3f000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:05 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x0, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:05 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}], 0x1, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:05 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002000000010006002d00000000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) 03:18:05 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x149, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:05 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0x4900000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:05 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x149, &(0x7f0000000140)="8de208f1679d9126a25750cb070000006083f3cf09690f0800000076751e3811ac9d0ddb00000000000027b236630a670057a74244a96187389fa2273b94ba06b9e4e3af9c6ff81d781d007fbe72f2f98608448dad202100dfe301745d4dc463ce5e06d54359b83bd82797e48adf8259a4270ef0d680984d8b6951f5ffcfe21ad81da7c3e70b5c56880a53b4d196eda27aa6d092eea121fe115424ced95ab7670c820a50be3abe9517f9e7a45eed9f8eede002d10bd5edc12efa21cb5ef16cdbbda2e5af18ba8733fb3cb407ee6c4252493d2834faafc1f2169271f1ec5721a6535c16009b43a7efe75322cf3af1d7b48e23185ebf24de7024f010eb56a4d9e6c86f8b507139aea1d0a9590f61c9fe3cc9ffb1e33c047bf53b8bf2ecbaac21c4813235354b7c3f948a5cd67acc8eeed21b4499f259f73ff434c441fd21e9c4ddfbd559baefc62efc3a"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:05 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}], 0x1, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:05 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x0, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2721.567993][T20269] loop3: detected capacity change from 0 to 4096 [ 2721.585493][T20273] loop5: detected capacity change from 0 to 256 03:18:05 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}], 0x1, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2721.612534][T20275] loop1: detected capacity change from 0 to 264192 [ 2721.626440][T20273] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2721.643429][T20273] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2721.651266][T20273] FAT-fs (loop5): Filesystem has been set read-only 03:18:05 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x0, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:06 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2721.660102][T20275] FAT-fs (loop1): bogus number of reserved sectors [ 2721.666627][T20275] FAT-fs (loop1): Can't find a valid FAT filesystem [ 2721.753088][T20275] loop1: detected capacity change from 0 to 264192 [ 2721.777046][T20275] FAT-fs (loop1): bogus number of reserved sectors [ 2721.783624][T20275] FAT-fs (loop1): Can't find a valid FAT filesystem [ 2721.801602][T20273] loop5: detected capacity change from 0 to 256 [ 2721.811992][T20273] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2721.822289][T20273] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2721.830117][T20273] FAT-fs (loop5): Filesystem has been set read-only 03:18:06 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x3, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d}, {0x0, 0xfff7ffff00000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:06 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {0x0}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:06 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, 0x0, 0x0, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:06 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002000000010006002e00000000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) 03:18:06 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14c, &(0x7f0000000140)="8de208f1679d9126a25750cb070000006083f3cf09690f0800000076751e3811ac9d0ddb00000000000027b236630a670057a74244a96187389fa2273b94ba06b9e4e3af9c6ff81d781d007fbe72f2f98608448dad202100dfe301745d4dc463ce5e06d54359b83bd82797e48adf8259a4270ef0d680984d8b6951f5ffcfe21ad81da7c3e70b5c56880a53b4d196eda27aa6d092eea121fe115424ced95ab7670c820a50be3abe9517f9e7a45eed9f8eede002d10bd5edc12efa21cb5ef16cdbbda2e5af18ba8733fb3cb407ee6c4252493d2834faafc1f2169271f1ec5721a6535c16009b43a7efe75322cf3af1d7b48e23185ebf24de7024f010eb56a4d9e6c86f8b507139aea1d0a9590f61c9fe3cc9ffb1e33c047bf53b8bf2ecbaac21c4813235354b7c3f948a5cd67acc8eeed21b4499f259f73ff434c441fd21e9c4ddfbd559baefc62efc3ae274f0"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:06 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0x4a00000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:06 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {0x0}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:06 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2721.938919][T20347] loop5: detected capacity change from 0 to 256 [ 2721.947710][T20353] loop1: detected capacity change from 0 to 264192 [ 2721.965971][T20351] loop3: detected capacity change from 0 to 4096 [ 2721.977608][T20347] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) 03:18:06 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, 0x0, 0x0, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:06 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14d, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:06 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0x4b00000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:06 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {0x0}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2721.998433][T20347] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2722.006300][T20347] FAT-fs (loop5): Filesystem has been set read-only [ 2722.013341][T20353] FAT-fs (loop1): bogus number of reserved sectors [ 2722.020054][T20353] FAT-fs (loop1): Can't find a valid FAT filesystem [ 2722.110263][T20347] loop5: detected capacity change from 0 to 256 [ 2722.122845][T20347] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2722.133547][T20396] loop1: detected capacity change from 0 to 264192 [ 2722.141256][T20347] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2722.149090][T20347] FAT-fs (loop5): Filesystem has been set read-only 03:18:06 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x3, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d}, {0x0, 0xfffdffff00000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:06 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, 0x0, 0x0, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:06 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14d, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:06 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002000000010006002f00000000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) 03:18:06 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:06 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0x4c00000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) [ 2722.157192][T20396] FAT-fs (loop1): bogus number of reserved sectors [ 2722.163722][T20396] FAT-fs (loop1): Can't find a valid FAT filesystem 03:18:06 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}], 0x1, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2722.253840][T20416] loop5: detected capacity change from 0 to 256 [ 2722.268908][T20421] loop1: detected capacity change from 0 to 264192 [ 2722.272204][T20416] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) 03:18:06 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14d, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:06 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:06 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}], 0x1, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2722.301994][T20417] loop3: detected capacity change from 0 to 4096 [ 2722.306280][T20416] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2722.316154][T20416] FAT-fs (loop5): Filesystem has been set read-only [ 2722.334675][T20421] FAT-fs (loop1): bogus number of reserved sectors [ 2722.341202][T20421] FAT-fs (loop1): Can't find a valid FAT filesystem 03:18:06 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0x4d00000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:06 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2722.394436][T20416] loop5: detected capacity change from 0 to 256 [ 2722.405549][T20416] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2722.416800][T20416] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2722.424637][T20416] FAT-fs (loop5): Filesystem has been set read-only 03:18:06 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x3, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d}, {0x0, 0xffffff0f00000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:06 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x0, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:06 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002000000010006003000000000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) 03:18:06 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe", 0x23}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:06 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}], 0x1, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2722.475551][T20465] loop1: detected capacity change from 0 to 264192 [ 2722.496200][T20465] FAT-fs (loop1): bogus number of reserved sectors [ 2722.502724][T20465] FAT-fs (loop1): Can't find a valid FAT filesystem 03:18:06 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0x4e00000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:06 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x0, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:06 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe", 0x23}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:06 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {0x0}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2722.575871][T20487] loop3: detected capacity change from 0 to 4096 [ 2722.599053][T20495] loop1: detected capacity change from 0 to 264192 [ 2722.614321][T20492] loop5: detected capacity change from 0 to 256 03:18:06 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x0, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2722.649385][T20495] FAT-fs (loop1): bogus number of reserved sectors [ 2722.655908][T20495] FAT-fs (loop1): Can't find a valid FAT filesystem 03:18:07 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="8de208f1679d9126a25750cb070000006083f3cf09690f0800000076751e3811ac9d0ddb00000000000027b236630a670057a74244a96187389fa2273b94ba06b9e4e3af9c6ff81d781d007fbe72f2f98608448dad202100dfe301745d4dc463ce5e06d54359b83bd82797e48adf8259a4270ef0d680984d8b6951f5ffcfe21ad81da7c3e70b5c56880a53b4d196eda27aa6d092eea121fe115424ced95ab7670c820a50be3abe9517f9e7a45eed9f8eede002d10bd5edc12efa21cb5ef16cdbbda2e5af18ba8733fb3cb407ee6c4252493d2834faafc1f2169271f1ec5721a6535c16009b43a7efe75322cf3af1d7b48e23185ebf24de7024f010eb56a4d9e6c86f8b507139aea1d0a9590f61c9fe3cc9ffb1e33c047bf53b8bf2ecbaac21c4813235354b7c3f948a5cd67acc8eeed21b4499f259f73ff434c441fd21e9c4ddfbd559baefc62efc3ae274f098f10222fc40f339cac4fdad51fee5f4"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe", 0x23}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:07 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0x4f00000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) [ 2722.690083][T20492] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2722.716453][T20492] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2722.724320][T20492] FAT-fs (loop5): Filesystem has been set read-only [ 2722.761918][T20516] loop1: detected capacity change from 0 to 264192 [ 2722.776209][T20516] FAT-fs (loop1): bogus number of reserved sectors [ 2722.776436][T20492] loop5: detected capacity change from 0 to 256 [ 2722.782750][T20516] FAT-fs (loop1): Can't find a valid FAT filesystem [ 2722.807621][T20492] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2722.817102][T20492] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2722.824912][T20492] FAT-fs (loop5): Filesystem has been set read-only 03:18:07 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x3, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d}, {0x0, 0xffffff7f00000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:07 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="8de208f1679d9126a25750cb070000006083f3cf09690f0800000076751e3811ac9d0ddb00000000000027b236630a670057a74244a96187389fa2273b94ba06b9e4e3af9c6ff81d781d007fbe72f2f98608448dad202100dfe301745d4dc463ce5e06d54359b83bd82797e48adf8259a4270ef0d680984d8b6951f5ffcfe21ad81da7c3e70b5c56880a53b4d196eda27aa6d092eea121fe115424ced95ab7670c820a50be3abe9517f9e7a45eed9f8eede002d10bd5edc12efa21cb5ef16cdbbda2e5af18ba8733fb3cb407ee6c4252493d2834faafc1f2169271f1ec5721a6535c16009b43a7efe75322cf3af1d7b48e23185ebf24de7024f010eb56a4d9e6c86f8b507139aea1d0a9590f61c9fe3cc9ffb1e33c047bf53b8bf2ecbaac21c4813235354b7c3f948a5cd67acc8eeed21b4499f259f73ff434c441fd21e9c4ddfbd559baefc62efc3ae274"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {0x0}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:07 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb", 0x34}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:07 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, 0x0, 0x0, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:07 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002000000010006003100000000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) 03:18:07 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0x5000000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:07 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {0x0}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:07 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, 0x0, 0x0, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:07 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb", 0x34}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2722.926536][T20553] loop1: detected capacity change from 0 to 264192 [ 2722.963948][T20567] loop5: detected capacity change from 0 to 256 03:18:07 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, 0x0, 0x0, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2722.975222][T20562] loop3: detected capacity change from 0 to 4096 [ 2722.994443][T20553] FAT-fs (loop1): bogus number of reserved sectors [ 2723.000985][T20553] FAT-fs (loop1): Can't find a valid FAT filesystem [ 2723.015509][T20567] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) 03:18:07 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:07 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb", 0x34}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2723.035154][T20567] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2723.042999][T20567] FAT-fs (loop5): Filesystem has been set read-only 03:18:07 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x3, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d}, {0x0, 0xffffffff00000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:07 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002000000010006003f00000000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) 03:18:07 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}], 0x1, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:07 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:07 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0x5100000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:07 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1", 0x3d}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2723.141566][T20567] loop5: detected capacity change from 0 to 256 [ 2723.150520][T20567] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2723.160781][T20567] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2723.168615][T20567] FAT-fs (loop5): Filesystem has been set read-only 03:18:07 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}], 0x1, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2723.197303][T20609] loop3: detected capacity change from 0 to 4096 [ 2723.231177][T20620] loop5: detected capacity change from 0 to 256 [ 2723.235115][T20617] loop1: detected capacity change from 0 to 264192 [ 2723.253999][T20620] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2723.264752][T20617] FAT-fs (loop1): bogus number of reserved sectors [ 2723.271301][T20617] FAT-fs (loop1): Can't find a valid FAT filesystem [ 2723.286638][T20609] loop3: detected capacity change from 0 to 4096 03:18:07 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="8de208f1679d9126a25750cb070000006083f3cf09690f0800000076751e3811ac9d0ddb00000000000027b236630a670057a74244a96187389fa2273b94ba06b9e4e3af9c6ff81d781d007fbe72f2f98608448dad202100dfe301745d4dc463ce5e06d54359b83bd82797e48adf8259a4270ef0d680984d8b6951f5ffcfe21ad81da7c3e70b5c56880a53b4d196eda27aa6d092eea121fe115424ced95ab7670c820a50be3abe9517f9e7a45eed9f8eede002d10bd5edc12efa21cb5ef16cdbbda2e5af18ba8733fb3cb407ee6c4252493d2834faafc1f2169271f1ec5721a6535c16009b43a7efe75322cf3af1d7b48e23185ebf24de7024f010eb56a4d9e6c86f8b507139aea1d0a9590f61c9fe3cc9ffb1e33c047bf53b8bf2ecbaac21c4813235354b7c3f948a5cd67acc8eeed21b4499f259f73ff434c441fd21e9c4ddfbd559baefc62efc3ae274"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:07 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002000000010006ff3f00000000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) 03:18:07 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}], 0x1, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:07 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0x5252614100000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) [ 2723.313694][T20620] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2723.321531][T20620] FAT-fs (loop5): Filesystem has been set read-only 03:18:07 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1", 0x3d}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2723.404642][T20620] loop5: detected capacity change from 0 to 256 [ 2723.409092][T20655] loop1: detected capacity change from 0 to 192512 [ 2723.415982][T20620] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2723.428997][T20620] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2723.437005][T20620] FAT-fs (loop5): Filesystem has been set read-only [ 2723.447924][T20655] FAT-fs (loop1): bogus number of reserved sectors 03:18:07 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x3, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d}, {0x0, 0xffffffffffff0700}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:07 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe", 0x23}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:07 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {0x0}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:07 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1", 0x3d}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:07 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0x6000000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) [ 2723.454503][T20655] FAT-fs (loop1): Can't find a valid FAT filesystem [ 2723.472794][T20667] loop3: detected capacity change from 0 to 4096 03:18:07 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002000000010006004000000000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) 03:18:07 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe", 0x23}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2723.555609][T20682] loop1: detected capacity change from 0 to 264192 [ 2723.572150][T20687] loop5: detected capacity change from 0 to 256 03:18:07 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {0x0}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:07 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe", 0x23}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:07 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce868250", 0x41}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2723.635224][T20682] FAT-fs (loop1): bogus number of reserved sectors [ 2723.641781][T20682] FAT-fs (loop1): Can't find a valid FAT filesystem [ 2723.650049][T20700] loop3: detected capacity change from 0 to 4096 [ 2723.662588][T20687] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) 03:18:08 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {0x0}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2723.715769][T20687] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2723.723664][T20687] FAT-fs (loop5): Filesystem has been set read-only 03:18:08 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb", 0x34}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2723.774505][T20687] loop5: detected capacity change from 0 to 256 [ 2723.806518][T20687] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) 03:18:08 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x3, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d}, {0x0, 0xffffffffffffff7f}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:08 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce868250", 0x41}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:08 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:08 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0x6800000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:08 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002000000010006004800000000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) 03:18:08 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb", 0x34}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2723.837108][T20687] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2723.844971][T20687] FAT-fs (loop5): Filesystem has been set read-only 03:18:08 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb", 0x34}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2723.925016][T20755] loop3: detected capacity change from 0 to 4096 [ 2723.929411][T20758] loop5: detected capacity change from 0 to 256 [ 2723.950048][T20764] loop1: detected capacity change from 0 to 204800 03:18:08 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce868250", 0x41}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:08 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2723.974810][T20758] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2724.011294][T20758] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) 03:18:08 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002000000010006004c00000000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) 03:18:08 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1", 0x3d}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:08 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2724.019146][T20758] FAT-fs (loop5): Filesystem has been set read-only [ 2724.024492][T20764] FAT-fs (loop1): bogus number of reserved sectors [ 2724.032243][T20764] FAT-fs (loop1): Can't find a valid FAT filesystem [ 2724.104768][T20794] loop3: detected capacity change from 0 to 4096 [ 2724.128270][T20758] loop5: detected capacity change from 0 to 256 03:18:08 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x3, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d}, {0x0, 0xfffffffffffffffe}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:08 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fce", 0x43}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:08 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1", 0x3d}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:08 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0x6c00000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:08 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe", 0x23}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2724.148933][T20758] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2724.158686][T20758] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2724.166539][T20758] FAT-fs (loop5): Filesystem has been set read-only 03:18:08 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1", 0x3d}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:08 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002000000010006006800000000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) 03:18:08 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe", 0x23}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2724.246807][T20823] loop5: detected capacity change from 0 to 256 [ 2724.263653][T20824] loop1: detected capacity change from 0 to 172032 [ 2724.284133][T20823] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) 03:18:08 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce868250", 0x41}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:08 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fce", 0x43}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2724.298771][T20824] FAT-fs (loop1): bogus number of reserved sectors [ 2724.305281][T20824] FAT-fs (loop1): Can't find a valid FAT filesystem [ 2724.320735][T20837] loop3: detected capacity change from 0 to 4096 [ 2724.338218][T20823] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) 03:18:08 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe", 0x23}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2724.346086][T20823] FAT-fs (loop5): Filesystem has been set read-only 03:18:08 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce868250", 0x41}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2724.469461][T20823] loop5: detected capacity change from 0 to 256 [ 2724.483861][T20823] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2724.495220][T20823] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2724.503064][T20823] FAT-fs (loop5): Filesystem has been set read-only 03:18:08 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x3, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d}, {0x0, 0xffffffffffffffff}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:08 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fce", 0x43}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:08 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0x6e1a000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:08 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb", 0x34}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:08 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce868250", 0x41}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:08 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002000000010006006c00000000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) 03:18:08 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd", 0x44}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2724.587009][T20892] loop1: detected capacity change from 0 to 262144 [ 2724.594370][T20889] loop3: detected capacity change from 0 to 4096 03:18:08 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb", 0x34}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2724.642327][T20892] FAT-fs (loop1): bogus number of reserved sectors [ 2724.642972][T20901] loop5: detected capacity change from 0 to 256 [ 2724.648877][T20892] FAT-fs (loop1): Can't find a valid FAT filesystem 03:18:09 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="8de208f1679d9126a25750cb070000006083f3cf09690f0800000076751e3811ac9d0ddb00000000000027b236630a670057a74244a96187389fa2273b94ba06b9e4e3af9c6ff81d781d007fbe72f2f98608448dad202100dfe301745d4dc463ce5e06d54359b83bd82797e48adf8259a4270ef0d680984d8b6951f5ffcfe21ad81da7c3e70b5c56880a53b4d196eda27aa6d092eea121fe115424ced95ab7670c820a50be3abe9517f9e7a45eed9f8eede002d10bd5edc12efa21cb5ef16cdbbda2e5af18ba8733fb3cb407ee6c4252493d2834faafc1f2169271f1ec5721a6535c16009b43a7efe75322cf3af1d7b48e23185ebf24de7024f010eb56a4d9e6c86f8b507139aea1d0a9590f61c9fe3cc9ffb1e33c047bf53b8bf2ecbaac21c4813235354b7c3f948a5cd67acc8eeed21b4499f259f73ff434c441fd21e9c4ddfbd559baefc62efc3ae274"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fce", 0x43}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:09 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="8de208f1679d9126a25750cb070000006083f3cf09690f0800000076751e3811ac9d0ddb00000000000027b236630a670057a74244a96187389fa2273b94ba06b9e4e3af9c6ff81d781d007fbe72f2f98608448dad202100dfe301745d4dc463ce5e06d54359b83bd82797e48adf8259a4270ef0d680984d8b6951f5ffcfe21ad81da7c3e70b5c56880a53b4d196eda27aa6d092eea121fe115424ced95ab7670c820a50be3abe9517f9e7a45eed9f8eede002d10bd5edc12efa21cb5ef16cdbbda2e5af18ba8733fb3cb407ee6c4252493d2834faafc1f2169271f1ec5721a6535c16009b43a7efe75322cf3af1d7b48e23185ebf24de7024f010eb56a4d9e6c86f8b507139aea1d0a9590f61c9fe3cc9ffb1e33c047bf53b8bf2ecbaac21c4813235354b7c3f948a5cd67acc8eeed21b4499f259f73ff434c441fd21e9c4ddfbd559baefc62efc3ae274f098f10222fc40f339cac4fdad51fee5f4"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd", 0x44}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2724.684566][T20901] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2724.694358][T20901] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2724.702210][T20901] FAT-fs (loop5): Filesystem has been set read-only 03:18:09 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0x6f1a000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:09 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb", 0x34}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2724.759079][T20901] loop5: detected capacity change from 0 to 256 [ 2724.773612][T20901] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) 03:18:09 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x3, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d}, {0x0, 0x0, 0x2}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:09 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd", 0x44}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:09 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fce", 0x43}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:09 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002000000010006007400000000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) [ 2724.810930][T20901] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2724.811422][T20935] loop1: detected capacity change from 0 to 253952 [ 2724.818762][T20901] FAT-fs (loop5): Filesystem has been set read-only [ 2724.839096][T20935] FAT-fs (loop1): bogus number of reserved sectors [ 2724.845625][T20935] FAT-fs (loop1): Can't find a valid FAT filesystem 03:18:09 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1", 0x3d}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:09 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fce", 0x43}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:09 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x1, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2724.891041][T20935] loop1: detected capacity change from 0 to 253952 [ 2724.911922][T20935] FAT-fs (loop1): bogus number of reserved sectors [ 2724.915369][T20952] loop5: detected capacity change from 0 to 256 [ 2724.918448][T20935] FAT-fs (loop1): Can't find a valid FAT filesystem [ 2724.938335][T20952] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2724.953244][T20966] loop3: detected capacity change from 0 to 4096 03:18:09 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1", 0x3d}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:09 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x1, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:09 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd", 0x44}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:09 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0x701a000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) [ 2725.002514][T20952] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2725.010431][T20952] FAT-fs (loop5): Filesystem has been set read-only 03:18:09 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002000000010006007800000000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) [ 2725.094998][T20995] loop1: detected capacity change from 0 to 245760 [ 2725.119401][T20995] FAT-fs (loop1): bogus number of reserved sectors [ 2725.126012][T20995] FAT-fs (loop1): Can't find a valid FAT filesystem [ 2725.146776][T20998] loop3: detected capacity change from 0 to 4096 [ 2725.173363][T20952] loop5: detected capacity change from 0 to 256 [ 2725.196821][T20952] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2725.206002][T20952] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2725.213849][T20952] FAT-fs (loop5): Filesystem has been set read-only 03:18:09 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x3, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d}, {0x0, 0x0, 0x3}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:09 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x1, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:09 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1", 0x3d}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:09 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd", 0x44}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:09 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0x7272416100000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:09 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002000000010006007a00000000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) 03:18:09 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd", 0x44}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:09 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce868250", 0x41}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2725.335891][T21025] loop5: detected capacity change from 0 to 256 [ 2725.349551][T21026] loop3: detected capacity change from 0 to 4096 [ 2725.359891][T21025] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2725.366285][T21033] loop1: detected capacity change from 0 to 159744 03:18:09 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{0x0}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2725.421928][T21033] FAT-fs (loop1): bogus number of reserved sectors [ 2725.422277][T21025] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2725.428480][T21033] FAT-fs (loop1): Can't find a valid FAT filesystem [ 2725.436288][T21025] FAT-fs (loop5): Filesystem has been set read-only 03:18:09 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{0x0}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2725.479007][T21025] loop5: detected capacity change from 0 to 256 [ 2725.492669][T21025] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2725.516485][T21025] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) 03:18:09 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{0x0}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2725.524359][T21025] FAT-fs (loop5): Filesystem has been set read-only 03:18:09 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce868250", 0x41}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:09 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x3, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d}, {0x0, 0x0, 0x4}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:09 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x1, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:09 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002000000010006008a00000000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) 03:18:09 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0xffffffffffffffff, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2725.568993][T21033] loop1: detected capacity change from 0 to 159744 [ 2725.597324][T21033] FAT-fs (loop1): bogus number of reserved sectors [ 2725.603866][T21033] FAT-fs (loop1): Can't find a valid FAT filesystem 03:18:09 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0x7400000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:09 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="8de208f1679d9126a25750cb070000006083f3cf09690f0800000076751e3811ac9d0ddb00000000000027b236630a670057a74244a96187389fa2273b94ba06b9e4e3af9c6ff81d781d007fbe72f2f98608448dad202100dfe301745d4dc463ce5e06d54359b83bd82797e48adf8259a4270ef0d680984d8b6951f5ffcfe21ad81da7c3e70b5c56880a53b4d196eda27aa6d092eea121fe115424ced95ab7670c820a50be3abe9517f9e7a45eed9f8eede002d10bd5edc12efa21cb5ef16cdbbda2e5af18ba8733fb3cb407ee6c4252493d2834faafc1f2169271f1ec5721a6535c16009b43a7efe75322cf3af1d7b48e23185ebf24de7024f010eb56a4d9e6c86f8b507139aea1d0a9590f61c9fe3cc9ffb1e33c047bf53b8bf2ecbaac21c4813235354b7c3f948a5cd67acc8eeed21b4499f259f73ff434c441fd21e9c4ddfbd559baefc62efc3ae274f098f10222fc40f339cac4fdad51fee5f4"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0xffffffffffffffff, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:09 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce868250", 0x41}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2725.682361][T21101] loop5: detected capacity change from 0 to 256 [ 2725.705796][T21099] loop3: detected capacity change from 0 to 4096 [ 2725.724347][T21105] loop1: detected capacity change from 0 to 106496 03:18:10 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x1, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:10 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0xffffffffffffffff, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2725.726595][T21101] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2725.763794][T21101] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2725.771627][T21101] FAT-fs (loop5): Filesystem has been set read-only 03:18:10 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, 0x0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:10 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, 0x0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2725.783802][T21105] FAT-fs (loop1): bogus number of reserved sectors [ 2725.790399][T21105] FAT-fs (loop1): Can't find a valid FAT filesystem 03:18:10 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="8de208f1679d9126a25750cb070000006083f3cf09690f0800000076751e3811ac9d0ddb00000000000027b236630a670057a74244a96187389fa2273b94ba06b9e4e3af9c6ff81d781d007fbe72f2f98608448dad202100dfe301745d4dc463ce5e06d54359b83bd82797e48adf8259a4270ef0d680984d8b6951f5ffcfe21ad81da7c3e70b5c56880a53b4d196eda27aa6d092eea121fe115424ced95ab7670c820a50be3abe9517f9e7a45eed9f8eede002d10bd5edc12efa21cb5ef16cdbbda2e5af18ba8733fb3cb407ee6c4252493d2834faafc1f2169271f1ec5721a6535c16009b43a7efe75322cf3af1d7b48e23185ebf24de7024f010eb56a4d9e6c86f8b507139aea1d0a9590f61c9fe3cc9ffb1e33c047bf53b8bf2ecbaac21c4813235354b7c3f948a5cd67acc8eeed21b4499f259f73ff434c441fd21e9c4ddfbd559baefc62efc3ae274"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x1, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2725.828954][T21101] loop5: detected capacity change from 0 to 256 [ 2725.856753][T21101] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) 03:18:10 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x3, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d}, {0x0, 0x0, 0x5}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:10 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0x7800000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:10 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fce", 0x43}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:10 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, 0x0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2725.874859][T21099] loop3: detected capacity change from 0 to 4096 [ 2725.893792][T21101] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2725.901609][T21101] FAT-fs (loop5): Filesystem has been set read-only 03:18:10 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{0x0}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:10 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002000000010006008b00000000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) 03:18:10 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{0x0}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:10 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x0) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2725.996359][T21163] loop5: detected capacity change from 0 to 256 [ 2726.013385][T21174] loop1: detected capacity change from 0 to 73728 [ 2726.018047][T21172] loop3: detected capacity change from 0 to 4096 03:18:10 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fce", 0x43}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:10 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{0x0}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2726.067434][T21174] FAT-fs (loop1): bogus number of reserved sectors [ 2726.073963][T21174] FAT-fs (loop1): Can't find a valid FAT filesystem [ 2726.083208][T21163] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) 03:18:10 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002000000010006008c00000000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) 03:18:10 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x0) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2726.113701][T21163] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2726.114545][T21174] loop1: detected capacity change from 0 to 73728 [ 2726.121538][T21163] FAT-fs (loop5): Filesystem has been set read-only [ 2726.169043][T21174] FAT-fs (loop1): bogus number of reserved sectors [ 2726.175567][T21174] FAT-fs (loop1): Can't find a valid FAT filesystem [ 2726.202465][T21204] loop3: detected capacity change from 0 to 4096 03:18:10 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x3, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d}, {0x0, 0x0, 0x6}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:10 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fce", 0x43}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:10 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x0) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:10 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0xffffffffffffffff, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:10 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0x7a00000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) [ 2726.240543][T21163] loop5: detected capacity change from 0 to 256 [ 2726.258578][T21163] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2726.267694][T21163] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2726.275506][T21163] FAT-fs (loop5): Filesystem has been set read-only 03:18:10 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002000000010006c0ed00000000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) 03:18:10 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0xffffffffffffffff, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:10 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd", 0x44}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2726.350235][T21236] loop5: detected capacity change from 0 to 256 [ 2726.360706][T21239] loop3: detected capacity change from 0 to 4096 [ 2726.375712][T21240] loop1: detected capacity change from 0 to 57344 03:18:10 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd", 0x44}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:10 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(0x0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2726.412346][T21236] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2726.436364][T21240] FAT-fs (loop1): bogus number of reserved sectors [ 2726.442902][T21240] FAT-fs (loop1): Can't find a valid FAT filesystem 03:18:10 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="8de208f1679d9126a25750cb070000006083f3cf09690f0800000076751e3811ac9d0ddb00000000000027b236630a670057a74244a96187389fa2273b94ba06b9e4e3af9c6ff81d781d007fbe72f2f98608448dad202100dfe301745d4dc463ce5e06d54359b83bd82797e48adf8259a4270ef0d680984d8b6951f5ffcfe21ad81da7c3e70b5c56880a53b4d196eda27aa6d092eea121fe115424ced95ab7670c820a50be3abe9517f9e7a45eed9f8eede002d10bd5edc12efa21cb5ef16cdbbda2e5af18ba8733fb3cb407ee6c4252493d2834faafc1f2169271f1ec5721a6535c16009b43a7efe75322cf3af1d7b48e23185ebf24de7024f010eb56a4d9e6c86f8b507139aea1d0a9590f61c9fe3cc9ffb1e33c047bf53b8bf2ecbaac21c4813235354b7c3f948a5cd67acc8eeed21b4499f259f73ff434c441fd21e9c4ddfbd559baefc62efc3ae274"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0xffffffffffffffff, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:10 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f8000020004000000000000000000001000000000000000200000001000601f000000000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) [ 2726.466773][T21236] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2726.474608][T21236] FAT-fs (loop5): Filesystem has been set read-only [ 2726.523859][T21272] loop3: detected capacity change from 0 to 4096 [ 2726.562219][T21240] loop1: detected capacity change from 0 to 57344 [ 2726.573464][T21236] loop5: detected capacity change from 0 to 256 [ 2726.582944][T21240] FAT-fs (loop1): bogus number of reserved sectors [ 2726.589475][T21240] FAT-fs (loop1): Can't find a valid FAT filesystem [ 2726.597353][T21236] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2726.615266][T21236] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) 03:18:10 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x3, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d}, {0x0, 0x0, 0x7}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:10 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="8de208f1679d9126a25750cb070000006083f3cf09690f0800000076751e3811ac9d0ddb00000000000027b236630a670057a74244a96187389fa2273b94ba06b9e4e3af9c6ff81d781d007fbe72f2f98608448dad202100dfe301745d4dc463ce5e06d54359b83bd82797e48adf8259a4270ef0d680984d8b6951f5ffcfe21ad81da7c3e70b5c56880a53b4d196eda27aa6d092eea121fe115424ced95ab7670c820a50be3abe9517f9e7a45eed9f8eede002d10bd5edc12efa21cb5ef16cdbbda2e5af18ba8733fb3cb407ee6c4252493d2834faafc1f2169271f1ec5721a6535c16009b43a7efe75322cf3af1d7b48e23185ebf24de7024f010eb56a4d9e6c86f8b507139aea1d0a9590f61c9fe3cc9ffb1e33c047bf53b8bf2ecbaac21c4813235354b7c3f948a5cd67acc8eeed21b4499f259f73ff434c441fd21e9c4ddfbd559baefc62efc3ae274f098f1"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd", 0x44}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:10 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, 0x0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:10 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(0x0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:10 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f800002000400000000000000000000100000000000000020000000100060ffc00000000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) 03:18:10 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0x7fffffffffffffff}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) [ 2726.623133][T21236] FAT-fs (loop5): Filesystem has been set read-only 03:18:11 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, 0x0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:11 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(0x0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:11 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x1, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2726.700769][T21314] loop1: detected capacity change from 0 to 8191 [ 2726.708032][T21319] loop5: detected capacity change from 0 to 256 [ 2726.726506][T21315] loop3: detected capacity change from 0 to 4096 [ 2726.736400][T21319] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) 03:18:11 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, 0x0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:11 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x0) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:11 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x1, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2726.768522][T21314] FAT-fs (loop1): bogus number of reserved sectors [ 2726.775049][T21314] FAT-fs (loop1): Can't find a valid FAT filesystem [ 2726.776804][T21319] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2726.789439][T21319] FAT-fs (loop5): Filesystem has been set read-only [ 2726.830703][T21314] loop1: detected capacity change from 0 to 8191 [ 2726.846698][T21314] FAT-fs (loop1): bogus number of reserved sectors [ 2726.853332][T21314] FAT-fs (loop1): Can't find a valid FAT filesystem [ 2726.865093][T21319] loop5: detected capacity change from 0 to 256 03:18:11 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x3, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d}, {0x0, 0x0, 0x8}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:11 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002000000010006fffe00000000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) 03:18:11 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="8de208f1679d9126a25750cb070000006083f3cf09690f0800000076751e3811ac9d0ddb00000000000027b236630a670057a74244a96187389fa2273b94ba06b9e4e3af9c6ff81d781d007fbe72f2f98608448dad202100dfe301745d4dc463ce5e06d54359b83bd82797e48adf8259a4270ef0d680984d8b6951f5ffcfe21ad81da7c3e70b5c56880a53b4d196eda27aa6d092eea121fe115424ced95ab7670c820a50be3abe9517f9e7a45eed9f8eede002d10bd5edc12efa21cb5ef16cdbbda2e5af18ba8733fb3cb407ee6c4252493d2834faafc1f2169271f1ec5721a6535c16009b43a7efe75322cf3af1d7b48e23185ebf24de7024f010eb56a4d9e6c86f8b507139aea1d0a9590f61c9fe3cc9ffb1e33c047bf53b8bf2ecbaac21c4813235354b7c3f948a5cd67acc8eeed21b4499f259f73ff434c441fd21e9c4ddfbd559baefc62efc3ae274"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x0) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:11 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x1, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:11 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x0) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:11 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0x85ffffff00000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) [ 2726.886939][T21319] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2726.899517][T21319] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2726.907453][T21319] FAT-fs (loop5): Filesystem has been set read-only [ 2726.979028][T21382] loop5: detected capacity change from 0 to 256 [ 2726.989935][T21382] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2726.999635][T21384] loop3: detected capacity change from 0 to 4096 [ 2727.002795][T21391] loop1: detected capacity change from 0 to 90112 03:18:11 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{0x0}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:11 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="8de208f1679d9126a25750cb070000006083f3cf09690f0800000076751e3811ac9d0ddb00000000000027b236630a670057a74244a96187389fa2273b94ba06b9e4e3af9c6ff81d781d007fbe72f2f98608448dad202100dfe301745d4dc463ce5e06d54359b83bd82797e48adf8259a4270ef0d680984d8b6951f5ffcfe21ad81da7c3e70b5c56880a53b4d196eda27aa6d092eea121fe115424ced95ab7670c820a50be3abe9517f9e7a45eed9f8eede002d10bd5edc12efa21cb5ef16cdbbda2e5af18ba8733fb3cb407ee6c4252493d2834faafc1f2169271f1ec5721a6535c16009b43a7efe75322cf3af1d7b48e23185ebf24de7024f010eb56a4d9e6c86f8b507139aea1d0a9590f61c9fe3cc9ffb1e33c047bf53b8bf2ecbaac21c4813235354b7c3f948a5cd67acc8eeed21b4499f259f73ff434c441fd21e9c4ddfbd559baefc62efc3ae274f098f10222fc40f339cac4fdad51fee5f4"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x0) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:11 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="8de208f1679d9126a25750cb070000006083f3cf09690f0800000076751e3811ac9d0ddb00000000000027b236630a670057a74244a96187389fa2273b94ba06b9e4e3af9c6ff81d781d007fbe72f2f98608448dad202100dfe301745d4dc463ce5e06d54359b83bd82797e48adf8259a4270ef0d680984d8b6951f5ffcfe21ad81da7c3e70b5c56880a53b4d196eda27aa6d092eea121fe115424ced95ab7670c820a50be3abe9517f9e7a45eed9f8eede002d10bd5edc12efa21cb5ef16cdbbda2e5af18ba8733fb3cb407ee6c4252493d2834faafc1f2169271f1ec5721a6535c16009b43a7efe75322cf3af1d7b48e23185ebf24de7024f010eb56a4d9e6c86f8b507139aea1d0a9590f61c9fe3cc9ffb1e33c047bf53b8bf2ecbaac21c4813235354b7c3f948a5cd67acc8eeed21b4499f259f73ff434c441fd21e9c4ddfbd559baefc62efc3ae274"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x0) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:11 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f800002000400000000000000000000100000000000000020000000100060fff00000000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) [ 2727.042955][T21382] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2727.050782][T21382] FAT-fs (loop5): Filesystem has been set read-only [ 2727.089155][T21391] FAT-fs (loop1): bogus number of reserved sectors [ 2727.095676][T21391] FAT-fs (loop1): Can't find a valid FAT filesystem [ 2727.118232][T21382] loop5: detected capacity change from 0 to 256 03:18:11 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x0) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:11 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xffffffffffffffff, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:11 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x3, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d}, {0x0, 0x0, 0x9}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:11 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{0x0}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:11 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(0x0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2727.135010][T21382] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2727.150816][T21382] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2727.158711][T21382] FAT-fs (loop5): Filesystem has been set read-only [ 2727.172055][T21421] loop3: detected capacity change from 0 to 4096 03:18:11 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xffffffffffffffff, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:11 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(0x0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2727.227722][T21391] loop1: detected capacity change from 0 to 90112 [ 2727.267482][T21391] FAT-fs (loop1): bogus number of reserved sectors [ 2727.274140][T21391] FAT-fs (loop1): Can't find a valid FAT filesystem [ 2727.277460][T21464] loop5: detected capacity change from 0 to 256 03:18:11 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0x8cffffff00000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:11 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xffffffffffffffff, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:11 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(0x0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:11 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f800002000400000000000000000000100000000000000020000000100063fff00000000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) 03:18:11 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="8de208f1679d9126a25750cb070000006083f3cf09690f0800000076751e3811ac9d0ddb00000000000027b236630a670057a74244a96187389fa2273b94ba06b9e4e3af9c6ff81d781d007fbe72f2f98608448dad202100dfe301745d4dc463ce5e06d54359b83bd82797e48adf8259a4270ef0d680984d8b6951f5ffcfe21ad81da7c3e70b5c56880a53b4d196eda27aa6d092eea121fe115424ced95ab7670c820a50be3abe9517f9e7a45eed9f8eede002d10bd5edc12efa21cb5ef16cdbbda2e5af18ba8733fb3cb407ee6c4252493d2834faafc1f2169271f1ec5721a6535c16009b43a7efe75322cf3af1d7b48e23185ebf24de7024f010eb56a4d9e6c86f8b507139aea1d0a9590f61c9fe3cc9ffb1e33c047bf53b8bf2ecbaac21c4813235354b7c3f948a5cd67acc8eeed21b4499f259f73ff434c441fd21e9c4ddfbd559baefc62efc3ae274f098f1"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{0x0}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2727.322744][T21464] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2727.356580][T21478] loop3: detected capacity change from 0 to 4096 [ 2727.362643][T21464] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) 03:18:11 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x0) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2727.370793][T21464] FAT-fs (loop5): Filesystem has been set read-only 03:18:11 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, 0x0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2727.402836][T21492] loop1: detected capacity change from 0 to 32768 [ 2727.435461][T21492] FAT-fs (loop1): bogus number of reserved sectors [ 2727.441989][T21492] FAT-fs (loop1): Can't find a valid FAT filesystem 03:18:11 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x3, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d}, {0x0, 0x0, 0xa}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:11 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0xffffffffffffffff, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:11 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0x8f00000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:11 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x0) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:11 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, 0x0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:11 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002000000010006feff00000000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) [ 2727.459718][T21464] loop5: detected capacity change from 0 to 256 [ 2727.472626][T21464] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2727.492015][T21464] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2727.499848][T21464] FAT-fs (loop5): Filesystem has been set read-only 03:18:11 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="8de208f1679d9126a25750cb070000006083f3cf09690f0800000076751e3811ac9d0ddb00000000000027b236630a670057a74244a96187389fa2273b94ba06b9e4e3af9c6ff81d781d007fbe72f2f98608448dad202100dfe301745d4dc463ce5e06d54359b83bd82797e48adf8259a4270ef0d680984d8b6951f5ffcfe21ad81da7c3e70b5c56880a53b4d196eda27aa6d092eea121fe115424ced95ab7670c820a50be3abe9517f9e7a45eed9f8eede002d10bd5edc12efa21cb5ef16cdbbda2e5af18ba8733fb3cb407ee6c4252493d2834faafc1f2169271f1ec5721a6535c16009b43a7efe75322cf3af1d7b48e23185ebf24de7024f010eb56a4d9e6c86f8b507139aea1d0a9590f61c9fe3cc9ffb1e33c047bf53b8bf2ecbaac21c4813235354b7c3f948a5cd67acc8eeed21b4499f259f73ff434c441fd21e9c4ddfbd559baefc62efc3ae274f098f1"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0xffffffffffffffff, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:11 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x0) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2727.546347][T21519] loop1: detected capacity change from 0 to 264192 [ 2727.568099][T21523] loop3: detected capacity change from 0 to 4096 03:18:11 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="8de208f1679d9126a25750cb070000006083f3cf09690f0800000076751e3811ac9d0ddb00000000000027b236630a670057a74244a96187389fa2273b94ba06b9e4e3af9c6ff81d781d007fbe72f2f98608448dad202100dfe301745d4dc463ce5e06d54359b83bd82797e48adf8259a4270ef0d680984d8b6951f5ffcfe21ad81da7c3e70b5c56880a53b4d196eda27aa6d092eea121fe115424ced95ab7670c820a50be3abe9517f9e7a45eed9f8eede002d10bd5edc12efa21cb5ef16cdbbda2e5af18ba8733fb3cb407ee6c4252493d2834faafc1f2169271f1ec5721a6535c16009b43a7efe75322cf3af1d7b48e23185ebf24de7024f010eb56a4d9e6c86f8b507139aea1d0a9590f61c9fe3cc9ffb1e33c047bf53b8bf2ecbaac21c4813235354b7c3f948a5cd67acc8eeed21b4499f259f73ff434c441fd21e9c4ddfbd559baefc62efc3ae274f098f10222fc40f339cac4fdad51fee5f4"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, 0x0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:11 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0xffffffffffffffff, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2727.593792][T21534] loop5: detected capacity change from 0 to 256 [ 2727.604142][T21519] FAT-fs (loop1): bogus number of reserved sectors [ 2727.610679][T21519] FAT-fs (loop1): Can't find a valid FAT filesystem 03:18:11 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, 0x0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:11 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0x9000000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) [ 2727.670211][T21534] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2727.693610][T21534] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2727.701507][T21534] FAT-fs (loop5): Filesystem has been set read-only [ 2727.725660][T21561] loop1: detected capacity change from 0 to 264192 [ 2727.735280][T21561] FAT-fs (loop1): bogus number of reserved sectors [ 2727.741818][T21561] FAT-fs (loop1): Can't find a valid FAT filesystem [ 2727.760878][T21534] loop5: detected capacity change from 0 to 256 03:18:12 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x3, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d}, {0x0, 0x0, 0xb}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:12 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002000000010006000002000000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) 03:18:12 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="8de208f1679d9126a25750cb070000006083f3cf09690f0800000076751e3811ac9d0ddb00000000000027b236630a670057a74244a96187389fa2273b94ba06b9e4e3af9c6ff81d781d007fbe72f2f98608448dad202100dfe301745d4dc463ce5e06d54359b83bd82797e48adf8259a4270ef0d680984d8b6951f5ffcfe21ad81da7c3e70b5c56880a53b4d196eda27aa6d092eea121fe115424ced95ab7670c820a50be3abe9517f9e7a45eed9f8eede002d10bd5edc12efa21cb5ef16cdbbda2e5af18ba8733fb3cb407ee6c4252493d2834faafc1f2169271f1ec5721a6535c16009b43a7efe75322cf3af1d7b48e23185ebf24de7024f010eb56a4d9e6c86f8b507139aea1d0a9590f61c9fe3cc9ffb1e33c047bf53b8bf2ecbaac21c4813235354b7c3f948a5cd67acc8eeed21b4499f259f73ff434c441fd21e9c4ddfbd559baefc62efc3ae274"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xffffffffffffffff, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:12 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, 0x0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:12 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, 0x0) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:12 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0x9100000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) [ 2727.769495][T21534] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2727.782084][T21534] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2727.789950][T21534] FAT-fs (loop5): Filesystem has been set read-only 03:18:12 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xffffffffffffffff, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:12 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, 0x0) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:12 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, 0x0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2727.822987][T21579] loop1: detected capacity change from 0 to 264192 [ 2727.831032][T21586] loop3: detected capacity change from 0 to 4096 [ 2727.860354][T21603] loop5: detected capacity change from 0 to 256 03:18:12 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x0) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:12 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="8de208f1679d9126a25750cb070000006083f3cf09690f0800000076751e3811ac9d0ddb00000000000027b236630a670057a74244a96187389fa2273b94ba06b9e4e3af9c6ff81d781d007fbe72f2f98608448dad202100dfe301745d4dc463ce5e06d54359b83bd82797e48adf8259a4270ef0d680984d8b6951f5ffcfe21ad81da7c3e70b5c56880a53b4d196eda27aa6d092eea121fe115424ced95ab7670c820a50be3abe9517f9e7a45eed9f8eede002d10bd5edc12efa21cb5ef16cdbbda2e5af18ba8733fb3cb407ee6c4252493d2834faafc1f2169271f1ec5721a6535c16009b43a7efe75322cf3af1d7b48e23185ebf24de7024f010eb56a4d9e6c86f8b507139aea1d0a9590f61c9fe3cc9ffb1e33c047bf53b8bf2ecbaac21c4813235354b7c3f948a5cd67acc8eeed21b4499f259f73ff434c441fd21e9c4ddfbd559baefc62efc3ae274"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xffffffffffffffff, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2727.895097][T21603] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2727.910069][T21603] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2727.917917][T21603] FAT-fs (loop5): Filesystem has been set read-only [ 2727.934312][T21579] FAT-fs (loop1): bogus number of reserved sectors 03:18:12 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, 0x0) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2727.940848][T21579] FAT-fs (loop1): Can't find a valid FAT filesystem 03:18:12 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x3, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d}, {0x0, 0x0, 0xc}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:12 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002000000010006000004000000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) 03:18:12 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x0) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:12 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, 0x0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:12 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0x97ffffff00000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:12 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, 0x0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:12 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0xffffffffffffffff, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2728.062631][T21659] loop5: detected capacity change from 0 to 256 [ 2728.071745][T21662] loop1: detected capacity change from 0 to 264192 [ 2728.082815][T21653] loop3: detected capacity change from 0 to 4096 [ 2728.090171][T21659] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) 03:18:12 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x0) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:12 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="8de208f1679d9126a25750cb070000006083f3cf09690f0800000076751e3811ac9d0ddb00000000000027b236630a670057a74244a96187389fa2273b94ba06b9e4e3af9c6ff81d781d007fbe72f2f98608448dad202100dfe301745d4dc463ce5e06d54359b83bd82797e48adf8259a4270ef0d680984d8b6951f5ffcfe21ad81da7c3e70b5c56880a53b4d196eda27aa6d092eea121fe115424ced95ab7670c820a50be3abe9517f9e7a45eed9f8eede002d10bd5edc12efa21cb5ef16cdbbda2e5af18ba8733fb3cb407ee6c4252493d2834faafc1f2169271f1ec5721a6535c16009b43a7efe75322cf3af1d7b48e23185ebf24de7024f010eb56a4d9e6c86f8b507139aea1d0a9590f61c9fe3cc9ffb1e33c047bf53b8bf2ecbaac21c4813235354b7c3f948a5cd67acc8eeed21b4499f259f73ff434c441fd21e9c4ddfbd559baefc62efc3ae274"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, 0x0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:12 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0xffffffffffffffff, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2728.106736][T21659] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2728.114562][T21659] FAT-fs (loop5): Filesystem has been set read-only [ 2728.127561][T21662] FAT-fs (loop1): bogus number of reserved sectors [ 2728.134082][T21662] FAT-fs (loop1): Can't find a valid FAT filesystem 03:18:12 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="8de208f1679d9126a25750cb070000006083f3cf09690f0800000076751e3811ac9d0ddb00000000000027b236630a670057a74244a96187389fa2273b94ba06b9e4e3af9c6ff81d781d007fbe72f2f98608448dad202100dfe301745d4dc463ce5e06d54359b83bd82797e48adf8259a4270ef0d680984d8b6951f5ffcfe21ad81da7c3e70b5c56880a53b4d196eda27aa6d092eea121fe115424ced95ab7670c820a50be3abe9517f9e7a45eed9f8eede002d10bd5edc12efa21cb5ef16cdbbda2e5af18ba8733fb3cb407ee6c4252493d2834faafc1f2169271f1ec5721a6535c16009b43a7efe75322cf3af1d7b48e23185ebf24de7024f010eb56a4d9e6c86f8b507139aea1d0a9590f61c9fe3cc9ffb1e33c047bf53b8bf2ecbaac21c4813235354b7c3f948a5cd67acc8eeed21b4499f259f73ff434c441fd21e9c4ddfbd559baefc62efc3ae274f098f1"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(0x0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:12 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0xdaffffff00000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) [ 2728.229961][T21659] loop5: detected capacity change from 0 to 256 [ 2728.245571][T21653] loop3: detected capacity change from 0 to 4096 [ 2728.249543][T21706] loop1: detected capacity change from 0 to 264192 [ 2728.259757][T21659] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2728.277694][T21659] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2728.285516][T21659] FAT-fs (loop5): Filesystem has been set read-only 03:18:12 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x3, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d}, {0x0, 0x0, 0xd}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:12 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0xffffffffffffffff, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:12 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, 0x0) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:12 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002000000010006000006000000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) 03:18:12 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(0x0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2728.326712][T21706] FAT-fs (loop1): bogus number of reserved sectors [ 2728.333324][T21706] FAT-fs (loop1): Can't find a valid FAT filesystem [ 2728.387460][T21706] loop1: detected capacity change from 0 to 264192 [ 2728.394621][T21742] loop5: detected capacity change from 0 to 256 [ 2728.401368][T21706] FAT-fs (loop1): bogus number of reserved sectors [ 2728.407906][T21706] FAT-fs (loop1): Can't find a valid FAT filesystem [ 2728.424625][T21742] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) 03:18:12 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, 0x0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:12 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, 0x0) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:12 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(0x0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2728.431335][T21735] loop3: detected capacity change from 0 to 4096 03:18:12 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, 0x0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2728.468076][T21742] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2728.475918][T21742] FAT-fs (loop5): Filesystem has been set read-only 03:18:12 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0xf193dc9c00000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:12 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, 0x0) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:12 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x0) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2728.566933][T21775] loop1: detected capacity change from 0 to 264192 [ 2728.580291][T21775] FAT-fs (loop1): bogus number of reserved sectors [ 2728.586856][T21775] FAT-fs (loop1): Can't find a valid FAT filesystem [ 2728.604908][T21742] loop5: detected capacity change from 0 to 256 03:18:12 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x3, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d}, {0x0, 0x0, 0xe}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:12 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, 0x0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:12 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x0) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:12 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0xffffffffffffffff, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:12 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0xf6ffffff00000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:12 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002000000010006000008000000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) [ 2728.615545][T21742] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2728.633359][T21742] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2728.641206][T21742] FAT-fs (loop5): Filesystem has been set read-only 03:18:13 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) gettid() tkill(0x0, 0x3a) [ 2728.691437][T21802] loop3: detected capacity change from 0 to 4096 [ 2728.718018][T21800] loop1: detected capacity change from 0 to 221184 03:18:13 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="8de208f1679d9126a25750cb070000006083f3cf09690f0800000076751e3811ac9d0ddb00000000000027b236630a670057a74244a96187389fa2273b94ba06b9e4e3af9c6ff81d781d007fbe72f2f98608448dad202100dfe301745d4dc463ce5e06d54359b83bd82797e48adf8259a4270ef0d680984d8b6951f5ffcfe21ad81da7c3e70b5c56880a53b4d196eda27aa6d092eea121fe115424ced95ab7670c820a50be3abe9517f9e7a45eed9f8eede002d10bd5edc12efa21cb5ef16cdbbda2e5af18ba8733fb3cb407ee6c4252493d2834faafc1f2169271f1ec5721a6535c16009b43a7efe75322cf3af1d7b48e23185ebf24de7024f010eb56a4d9e6c86f8b507139aea1d0a9590f61c9fe3cc9ffb1e33c047bf53b8bf2ecbaac21c4813235354b7c3f948a5cd67acc8eeed21b4499f259f73ff434c441fd21e9c4ddfbd559baefc62efc3ae274"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0xffffffffffffffff, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:13 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x0) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2728.741673][T21800] FAT-fs (loop1): bogus number of reserved sectors [ 2728.743947][T21821] loop5: detected capacity change from 0 to 256 [ 2728.748213][T21800] FAT-fs (loop1): Can't find a valid FAT filesystem [ 2728.757241][T21821] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2728.771268][T21821] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2728.779121][T21821] FAT-fs (loop5): Filesystem has been set read-only 03:18:13 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f8000020004000000000000000000001000000000000000200000001000600000a000000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) 03:18:13 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0xffffffffffffffff, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:13 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xffffffffffffffff, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2728.858404][T21800] loop1: detected capacity change from 0 to 221184 [ 2728.874616][T21800] FAT-fs (loop1): bogus number of reserved sectors [ 2728.881154][T21800] FAT-fs (loop1): Can't find a valid FAT filesystem [ 2728.893763][T21842] loop3: detected capacity change from 0 to 4096 [ 2728.893787][T21821] loop5: detected capacity change from 0 to 256 [ 2728.938674][T21821] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2728.949320][T21821] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2728.957183][T21821] FAT-fs (loop5): Filesystem has been set read-only 03:18:13 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x3, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d}, {0x0, 0x0, 0xf}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:13 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xffffffffffffffff, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:13 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, 0x0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:13 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f8000020004000000000000000000001000000000000000200000001000600000c000000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) 03:18:13 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0xf9fdffff00000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:13 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xffffffffffffffff, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2729.048706][T21881] loop3: detected capacity change from 0 to 4096 [ 2729.052333][T21880] loop5: detected capacity change from 0 to 256 [ 2729.063005][T21885] loop1: detected capacity change from 0 to 188416 [ 2729.098786][T21885] FAT-fs (loop1): bogus number of reserved sectors [ 2729.105300][T21885] FAT-fs (loop1): Can't find a valid FAT filesystem [ 2729.123683][T21880] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2729.138275][T21880] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2729.146109][T21880] FAT-fs (loop5): Filesystem has been set read-only [ 2729.209068][T21880] loop5: detected capacity change from 0 to 256 [ 2729.216020][T21880] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2729.226370][T21880] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2729.234211][T21880] FAT-fs (loop5): Filesystem has been set read-only 03:18:16 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, 0x0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:16 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) gettid() tkill(0x0, 0x3a) 03:18:16 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, 0x0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:16 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0xfc00000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:16 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x3, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d}, {0x0, 0x0, 0x10}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:16 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f8000020004000000000000000000001000000000000000200000001000600000e000000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) 03:18:16 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) gettid() tkill(0x0, 0x3a) [ 2731.736460][T21937] loop5: detected capacity change from 0 to 256 [ 2731.739546][T21939] loop1: detected capacity change from 0 to 49152 [ 2731.755116][T21941] loop3: detected capacity change from 0 to 4096 [ 2731.765861][T21937] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) 03:18:16 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, 0x0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:16 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, 0x0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:16 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) gettid() tkill(0x0, 0x3a) 03:18:16 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, 0x0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2731.785103][T21939] FAT-fs (loop1): bogus number of reserved sectors [ 2731.791708][T21939] FAT-fs (loop1): Can't find a valid FAT filesystem [ 2731.800346][T21937] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2731.808221][T21937] FAT-fs (loop5): Filesystem has been set read-only 03:18:16 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, 0x0) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:16 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, 0x0) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2731.884666][T21939] loop1: detected capacity change from 0 to 49152 [ 2731.896873][T21937] loop5: detected capacity change from 0 to 256 [ 2731.903569][T21939] FAT-fs (loop1): bogus number of reserved sectors [ 2731.910091][T21939] FAT-fs (loop1): Can't find a valid FAT filesystem 03:18:16 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002000000010006000010000000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) 03:18:16 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, 0x0) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:16 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0xfdfdffff00000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:16 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0xffffffffffffffff, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2731.934838][T21937] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2731.945242][T21941] loop3: detected capacity change from 0 to 4096 [ 2731.953850][T21937] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2731.961696][T21937] FAT-fs (loop5): Filesystem has been set read-only 03:18:16 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x3, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d}, {0x0, 0x0, 0x11}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) [ 2732.054619][T22025] loop1: detected capacity change from 0 to 155648 [ 2732.066810][T22025] FAT-fs (loop1): bogus number of reserved sectors [ 2732.068023][T22033] loop5: detected capacity change from 0 to 256 [ 2732.073389][T22025] FAT-fs (loop1): Can't find a valid FAT filesystem [ 2732.087519][T22027] loop3: detected capacity change from 0 to 4096 [ 2732.128839][T22033] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2732.139522][T22033] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2732.147347][T22033] FAT-fs (loop5): Filesystem has been set read-only [ 2732.192126][T22033] loop5: detected capacity change from 0 to 256 [ 2732.199819][T22033] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2732.209450][T22033] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2732.217280][T22033] FAT-fs (loop5): Filesystem has been set read-only 03:18:19 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="8de208f1679d9126a25750cb070000006083f3cf09690f0800000076751e3811ac9d0ddb00000000000027b236630a670057a74244a96187389fa2273b94ba06b9e4e3af9c6ff81d781d007fbe72f2f98608448dad202100dfe301745d4dc463ce5e06d54359b83bd82797e48adf8259a4270ef0d680984d8b6951f5ffcfe21ad81da7c3e70b5c56880a53b4d196eda27aa6d092eea121fe115424ced95ab7670c820a50be3abe9517f9e7a45eed9f8eede002d10bd5edc12efa21cb5ef16cdbbda2e5af18ba8733fb3cb407ee6c4252493d2834faafc1f2169271f1ec5721a6535c16009b43a7efe75322cf3af1d7b48e23185ebf24de7024f010eb56a4d9e6c86f8b507139aea1d0a9590f61c9fe3cc9ffb1e33c047bf53b8bf2ecbaac21c4813235354b7c3f948a5cd67acc8eeed21b4499f259f73ff434c441fd21e9c4ddfbd559baefc62efc3ae274f098f10222fc40f339cac4fdad51fee5f4"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x0) 03:18:19 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0xffffffffffffffff, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:19 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0xfdffffff00000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:19 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="8de208f1679d9126a25750cb070000006083f3cf09690f0800000076751e3811ac9d0ddb00000000000027b236630a670057a74244a96187389fa2273b94ba06b9e4e3af9c6ff81d781d007fbe72f2f98608448dad202100dfe301745d4dc463ce5e06d54359b83bd82797e48adf8259a4270ef0d680984d8b6951f5ffcfe21ad81da7c3e70b5c56880a53b4d196eda27aa6d092eea121fe115424ced95ab7670c820a50be3abe9517f9e7a45eed9f8eede002d10bd5edc12efa21cb5ef16cdbbda2e5af18ba8733fb3cb407ee6c4252493d2834faafc1f2169271f1ec5721a6535c16009b43a7efe75322cf3af1d7b48e23185ebf24de7024f010eb56a4d9e6c86f8b507139aea1d0a9590f61c9fe3cc9ffb1e33c047bf53b8bf2ecbaac21c4813235354b7c3f948a5cd67acc8eeed21b4499f259f73ff434c441fd21e9c4ddfbd559baefc62efc3ae274"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) gettid() tkill(0x0, 0x3a) 03:18:19 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002000000010006000000010000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) 03:18:19 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x3, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d}, {0x0, 0x0, 0x12}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:19 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0xffffffffffffffff, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:19 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0xfeffffff00000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) [ 2734.803070][T22072] loop1: detected capacity change from 0 to 163840 [ 2734.838139][T22072] FAT-fs (loop1): bogus number of reserved sectors [ 2734.844649][T22072] FAT-fs (loop1): Can't find a valid FAT filesystem 03:18:19 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, 0x0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2734.903750][T22088] loop5: detected capacity change from 0 to 256 [ 2734.921192][T22088] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2734.925896][T22089] loop3: detected capacity change from 0 to 4096 [ 2734.937464][T22088] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2734.938404][T22090] loop1: detected capacity change from 0 to 155648 03:18:19 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, 0x0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2734.945312][T22088] FAT-fs (loop5): Filesystem has been set read-only 03:18:19 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, 0x0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2734.994130][T22088] loop5: detected capacity change from 0 to 256 [ 2735.004887][T22090] FAT-fs (loop1): bogus number of reserved sectors [ 2735.011422][T22090] FAT-fs (loop1): Can't find a valid FAT filesystem [ 2735.029211][T22088] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) 03:18:19 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0xfeffffffffffffff}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) [ 2735.047794][T22088] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2735.055611][T22088] FAT-fs (loop5): Filesystem has been set read-only [ 2735.113610][T22132] loop1: detected capacity change from 0 to 24575 [ 2735.122047][T22132] FAT-fs (loop1): bogus number of reserved sectors [ 2735.128582][T22132] FAT-fs (loop1): Can't find a valid FAT filesystem 03:18:22 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="8de208f1679d9126a25750cb070000006083f3cf09690f0800000076751e3811ac9d0ddb00000000000027b236630a670057a74244a96187389fa2273b94ba06b9e4e3af9c6ff81d781d007fbe72f2f98608448dad202100dfe301745d4dc463ce5e06d54359b83bd82797e48adf8259a4270ef0d680984d8b6951f5ffcfe21ad81da7c3e70b5c56880a53b4d196eda27aa6d092eea121fe115424ced95ab7670c820a50be3abe9517f9e7a45eed9f8eede002d10bd5edc12efa21cb5ef16cdbbda2e5af18ba8733fb3cb407ee6c4252493d2834faafc1f2169271f1ec5721a6535c16009b43a7efe75322cf3af1d7b48e23185ebf24de7024f010eb56a4d9e6c86f8b507139aea1d0a9590f61c9fe3cc9ffb1e33c047bf53b8bf2ecbaac21c4813235354b7c3f948a5cd67acc8eeed21b4499f259f73ff434c441fd21e9c4ddfbd559baefc62efc3ae274f098f10222fc40f339cac4fdad51fee5f4"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x0) 03:18:22 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) gettid() tkill(0x0, 0x3a) 03:18:22 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f8000020004000000000000000000001000000000000000200000001000600000e010000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) [ 2737.827640][T22147] loop3: detected capacity change from 0 to 4096 03:18:22 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) gettid() tkill(0x0, 0x3a) 03:18:22 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x3, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d}, {0x0, 0x0, 0x22}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:22 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0xff00000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:22 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="8de208f1679d9126a25750cb070000006083f3cf09690f0800000076751e3811ac9d0ddb00000000000027b236630a670057a74244a96187389fa2273b94ba06b9e4e3af9c6ff81d781d007fbe72f2f98608448dad202100dfe301745d4dc463ce5e06d54359b83bd82797e48adf8259a4270ef0d680984d8b6951f5ffcfe21ad81da7c3e70b5c56880a53b4d196eda27aa6d092eea121fe115424ced95ab7670c820a50be3abe9517f9e7a45eed9f8eede002d10bd5edc12efa21cb5ef16cdbbda2e5af18ba8733fb3cb407ee6c4252493d2834faafc1f2169271f1ec5721a6535c16009b43a7efe75322cf3af1d7b48e23185ebf24de7024f010eb56a4d9e6c86f8b507139aea1d0a9590f61c9fe3cc9ffb1e33c047bf53b8bf2ecbaac21c4813235354b7c3f948a5cd67acc8eeed21b4499f259f73ff434c441fd21e9c4ddfbd559baefc62efc3ae274f098f1"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) gettid() tkill(0x0, 0x3a) 03:18:22 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002000000010006000000020000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) [ 2737.922622][T22167] loop5: detected capacity change from 0 to 256 [ 2737.927432][T22175] loop1: detected capacity change from 0 to 24576 [ 2737.940973][T22175] FAT-fs (loop1): bogus number of reserved sectors [ 2737.947534][T22175] FAT-fs (loop1): Can't find a valid FAT filesystem 03:18:22 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0xff0f000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) [ 2737.970945][T22167] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2737.989908][T22167] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2737.990926][T22186] loop3: detected capacity change from 0 to 4096 [ 2737.997800][T22167] FAT-fs (loop5): Filesystem has been set read-only [ 2738.039482][T22195] loop1: detected capacity change from 0 to 86016 [ 2738.056543][T22167] loop5: detected capacity change from 0 to 256 [ 2738.063478][T22195] FAT-fs (loop1): bogus number of reserved sectors [ 2738.070038][T22195] FAT-fs (loop1): Can't find a valid FAT filesystem 03:18:22 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002000000010006000004020000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) [ 2738.094635][T22167] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2738.108108][T22167] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2738.115954][T22167] FAT-fs (loop5): Filesystem has been set read-only 03:18:22 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x3, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d}, {0x0, 0x0, 0x25}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) [ 2738.141665][T22214] loop3: detected capacity change from 0 to 4096 [ 2738.151866][T22195] loop1: detected capacity change from 0 to 86016 [ 2738.188043][T22229] loop5: detected capacity change from 0 to 256 [ 2738.200270][T22195] FAT-fs (loop1): bogus number of reserved sectors [ 2738.206822][T22195] FAT-fs (loop1): Can't find a valid FAT filesystem [ 2738.219968][T22229] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2738.230510][T22229] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) 03:18:22 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002000000010006000000030000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) [ 2738.238347][T22229] FAT-fs (loop5): Filesystem has been set read-only [ 2738.266959][T22237] loop3: detected capacity change from 0 to 4096 03:18:25 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x0) 03:18:25 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0xff3f000000000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:25 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x3, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d}, {0x0, 0x0, 0x48}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) [ 2740.829427][T22258] loop5: detected capacity change from 0 to 256 [ 2740.832655][T22264] loop1: detected capacity change from 0 to 264192 [ 2740.853390][T22258] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2740.863527][T22258] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2740.871362][T22258] FAT-fs (loop5): Filesystem has been set read-only 03:18:25 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x0) 03:18:25 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002000000010006000000040000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) 03:18:25 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) gettid() tkill(0x0, 0x3a) [ 2740.875452][T22264] FAT-fs (loop1): bogus number of reserved sectors [ 2740.884555][T22264] FAT-fs (loop1): Can't find a valid FAT filesystem [ 2740.907272][T22258] loop5: detected capacity change from 0 to 256 03:18:25 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0xfff7ffff00000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) [ 2740.933230][T22258] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2740.952470][T22258] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2740.960291][T22258] FAT-fs (loop5): Filesystem has been set read-only [ 2740.967619][T22274] loop3: detected capacity change from 0 to 4096 03:18:25 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x3, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d}, {0x0, 0x0, 0x4c}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) [ 2741.002128][T22291] loop1: detected capacity change from 0 to 114688 [ 2741.021118][T22291] FAT-fs (loop1): bogus number of reserved sectors [ 2741.027647][T22291] FAT-fs (loop1): Can't find a valid FAT filesystem 03:18:25 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002000000010006000000050000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) [ 2741.061386][T22303] loop5: detected capacity change from 0 to 256 [ 2741.075297][T22303] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2741.091934][T22303] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2741.099772][T22303] FAT-fs (loop5): Filesystem has been set read-only 03:18:25 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x3, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d}, {0x0, 0x0, 0x60}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) [ 2741.109609][T22291] loop1: detected capacity change from 0 to 114688 [ 2741.125696][T22291] FAT-fs (loop1): bogus number of reserved sectors [ 2741.132229][T22291] FAT-fs (loop1): Can't find a valid FAT filesystem [ 2741.135259][T22313] loop3: detected capacity change from 0 to 4096 03:18:25 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0xfffdffff00000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:25 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002000000010006000000060000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) [ 2741.185134][T22326] loop5: detected capacity change from 0 to 256 [ 2741.196059][T22326] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2741.225134][T22326] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2741.231905][T22340] loop1: detected capacity change from 0 to 139264 [ 2741.233006][T22326] FAT-fs (loop5): Filesystem has been set read-only [ 2741.258126][T22343] loop3: detected capacity change from 0 to 4096 [ 2741.266455][T22340] FAT-fs (loop1): bogus number of reserved sectors [ 2741.273049][T22340] FAT-fs (loop1): Can't find a valid FAT filesystem [ 2741.292956][T22326] loop5: detected capacity change from 0 to 256 [ 2741.318120][T22326] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2741.327356][T22326] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2741.335204][T22326] FAT-fs (loop5): Filesystem has been set read-only 03:18:28 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x3, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d}, {0x0, 0x0, 0x68}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:28 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0xffffff0f00000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:28 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002000000010006000004060000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) [ 2743.852631][T22365] loop5: detected capacity change from 0 to 256 [ 2743.863072][T22369] loop1: detected capacity change from 0 to 264192 [ 2743.874485][T22368] loop3: detected capacity change from 0 to 4096 [ 2743.877498][T22369] FAT-fs (loop1): bogus number of reserved sectors [ 2743.885357][T22365] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2743.887327][T22369] FAT-fs (loop1): Can't find a valid FAT filesystem 03:18:28 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14d, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:28 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x0) 03:18:28 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x0) 03:18:28 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0xffffff7f00000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) [ 2743.897136][T22365] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2743.910775][T22365] FAT-fs (loop5): Filesystem has been set read-only 03:18:28 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14d, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2743.967945][T22365] loop5: detected capacity change from 0 to 256 [ 2743.995346][T22365] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2744.004834][T22365] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) 03:18:28 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0xffffffff00000000}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:28 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14d, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:28 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002000000010006000000070000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) [ 2744.012702][T22365] FAT-fs (loop5): Filesystem has been set read-only [ 2744.027774][T22391] loop1: detected capacity change from 0 to 16384 [ 2744.034904][T22368] loop3: detected capacity change from 0 to 4096 [ 2744.038855][T22391] FAT-fs (loop1): bogus number of reserved sectors [ 2744.047827][T22391] FAT-fs (loop1): Can't find a valid FAT filesystem 03:18:28 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x3, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d}, {0x0, 0x0, 0x6c}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:28 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14d, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) tkill(0x0, 0x3a) [ 2744.130220][T22421] loop1: detected capacity change from 0 to 147456 [ 2744.143291][T22422] loop5: detected capacity change from 0 to 256 [ 2744.169489][T22422] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2744.181677][T22422] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2744.189538][T22422] FAT-fs (loop5): Filesystem has been set read-only [ 2744.196902][T22421] FAT-fs (loop1): bogus number of reserved sectors [ 2744.203484][T22421] FAT-fs (loop1): Can't find a valid FAT filesystem [ 2744.213627][T22434] loop3: detected capacity change from 0 to 4096 03:18:28 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002000000010006000000080000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) [ 2744.231358][T22366] ================================================================== [ 2744.239430][T22366] BUG: KCSAN: data-race in copy_page_to_iter / fat_set_state [ 2744.246794][T22366] [ 2744.249119][T22366] write to 0xffff88816681c041 of 1 bytes by task 22434 on cpu 1: [ 2744.256825][T22366] fat_set_state+0x16c/0x1d0 [ 2744.261413][T22366] fat_put_super+0x2a/0x80 [ 2744.265814][T22366] generic_shutdown_super+0xe1/0x230 [ 2744.271090][T22366] kill_block_super+0x4a/0x90 [ 2744.275768][T22366] deactivate_locked_super+0x65/0xd0 03:18:28 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002000000010006000000090000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) [ 2744.281047][T22366] deactivate_super+0x85/0x90 [ 2744.285723][T22366] cleanup_mnt+0x267/0x2d0 [ 2744.290134][T22366] __cleanup_mnt+0x15/0x20 [ 2744.294540][T22366] task_work_run+0xae/0x130 [ 2744.299028][T22366] exit_to_user_mode_prepare+0x156/0x190 [ 2744.304635][T22366] syscall_exit_to_user_mode+0x20/0x40 [ 2744.310072][T22366] do_syscall_64+0x50/0xa0 [ 2744.314478][T22366] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 2744.320352][T22366] [ 2744.322656][T22366] read to 0xffff88816681c000 of 256 bytes by task 22366 on cpu 0: [ 2744.330437][T22366] copy_page_to_iter+0x2cb/0x950 [ 2744.335367][T22366] filemap_read+0xf06/0x1240 [ 2744.339949][T22366] generic_file_read_iter+0x75/0x2c0 [ 2744.345227][T22366] blkdev_read_iter+0xe1/0x140 [ 2744.349980][T22366] vfs_read+0x672/0x750 [ 2744.354133][T22366] ksys_read+0xd9/0x190 [ 2744.358280][T22366] __x64_sys_read+0x3e/0x50 [ 2744.362776][T22366] do_syscall_64+0x44/0xa0 [ 2744.367184][T22366] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 2744.373077][T22366] [ 2744.375387][T22366] Reported by Kernel Concurrency Sanitizer on: 03:18:28 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f800002000400000000000000000000100000000000000020000000100060000000a0000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) [ 2744.381515][T22366] CPU: 0 PID: 22366 Comm: systemd-udevd Not tainted 5.14.0-syzkaller #0 [ 2744.389816][T22366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2744.399856][T22366] ================================================================== [ 2744.421070][T22422] loop5: detected capacity change from 0 to 256 [ 2744.432141][T22422] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2744.442603][T22421] loop1: detected capacity change from 0 to 147456 [ 2744.450839][T22421] FAT-fs (loop1): bogus number of reserved sectors [ 2744.457358][T22421] FAT-fs (loop1): Can't find a valid FAT filesystem [ 2744.487360][T22422] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2744.495185][T22422] FAT-fs (loop5): Filesystem has been set read-only 03:18:31 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14b, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x0) 03:18:31 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x0) 03:18:31 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f800002000400000000000000000000100000000000000020000000100060000000b0000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) 03:18:31 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0xffffffffffff0700}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:31 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x3, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d}, {0x0, 0x0, 0x74}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) [ 2747.000336][T22481] loop1: detected capacity change from 0 to 16135 [ 2747.014050][T22481] FAT-fs (loop1): bogus number of reserved sectors [ 2747.016092][T22486] loop5: detected capacity change from 0 to 256 [ 2747.020658][T22481] FAT-fs (loop1): Can't find a valid FAT filesystem [ 2747.035417][T22486] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) 03:18:31 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14e, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x0) [ 2747.038281][T22484] loop3: detected capacity change from 0 to 4096 [ 2747.047185][T22486] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2747.058650][T22486] FAT-fs (loop5): Filesystem has been set read-only [ 2747.080929][T22481] loop1: detected capacity change from 0 to 16135 03:18:31 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0xffffffffffffff7f}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:31 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f800002000400000000000000000000100000000000000020000000100060000000c0000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) 03:18:31 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14d, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) tkill(0x0, 0x3a) [ 2747.096377][T22481] FAT-fs (loop1): bogus number of reserved sectors [ 2747.102914][T22481] FAT-fs (loop1): Can't find a valid FAT filesystem [ 2747.130699][T22486] loop5: detected capacity change from 0 to 256 [ 2747.139016][T22486] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) 03:18:31 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0xfffffffffffffffe}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:31 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x3, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d}, {0x0, 0x0, 0x78}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) [ 2747.199436][T22530] loop3: detected capacity change from 0 to 4096 [ 2747.200597][T22531] loop1: detected capacity change from 0 to 16383 [ 2747.206815][T22486] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2747.220049][T22486] FAT-fs (loop5): Filesystem has been set read-only [ 2747.230842][T22531] FAT-fs (loop1): bogus number of reserved sectors [ 2747.237391][T22531] FAT-fs (loop1): Can't find a valid FAT filesystem 03:18:31 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f800002000400000000000000000000100000000000000020000000100060000000d0000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) [ 2747.299336][T22548] loop1: detected capacity change from 0 to 16383 [ 2747.323751][T22548] FAT-fs (loop1): bogus number of reserved sectors [ 2747.330266][T22548] FAT-fs (loop1): Can't find a valid FAT filesystem [ 2747.352766][T22554] loop3: detected capacity change from 0 to 4096 [ 2747.362546][T22562] loop5: detected capacity change from 0 to 256 [ 2747.384915][T22562] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2747.394570][T22548] loop1: detected capacity change from 0 to 16383 [ 2747.405616][T22548] FAT-fs (loop1): bogus number of reserved sectors [ 2747.412133][T22548] FAT-fs (loop1): Can't find a valid FAT filesystem [ 2747.416893][T22562] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2747.426535][T22562] FAT-fs (loop5): Filesystem has been set read-only 03:18:34 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x3, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d}, {0x0, 0x0, 0x7a}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:34 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d, 0xffffffffffffffff}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:34 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:34 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f800002000400000000000000000000100000000000000020000000100060000000e0000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) 03:18:34 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2749.990114][T22592] loop5: detected capacity change from 0 to 256 [ 2750.009073][T22592] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2750.015586][T22601] loop1: detected capacity change from 0 to 16383 [ 2750.029860][T22595] loop3: detected capacity change from 0 to 4096 03:18:34 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:34 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x149, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2750.048306][T22601] FAT-fs (loop1): bogus number of reserved sectors [ 2750.050899][T22592] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2750.054845][T22601] FAT-fs (loop1): Can't find a valid FAT filesystem [ 2750.069226][T22592] FAT-fs (loop5): Filesystem has been set read-only [ 2750.121287][T22601] loop1: detected capacity change from 0 to 16383 [ 2750.130661][T22601] FAT-fs (loop1): bogus number of reserved sectors [ 2750.137198][T22601] FAT-fs (loop1): Can't find a valid FAT filesystem 03:18:34 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) tkill(0x0, 0x3a) 03:18:34 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14d, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) tkill(0x0, 0x3a) 03:18:34 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d}, {&(0x7f0000010400)="f802000fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:34 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f800002000400000000000000000000100000000000000020000000100060000000f0000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) 03:18:34 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x149, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2750.183301][T22592] loop5: detected capacity change from 0 to 256 [ 2750.214517][T22592] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2750.231079][T22650] loop1: detected capacity change from 0 to 256 [ 2750.240183][T22650] FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2750.252915][T22650] FAT-fs (loop1): error, invalid access to FAT (entry 0x000000ff) [ 2750.260747][T22650] FAT-fs (loop1): Filesystem has been set read-only [ 2750.270417][T22592] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2750.278275][T22592] FAT-fs (loop5): Filesystem has been set read-only [ 2750.295848][T22655] loop3: detected capacity change from 0 to 4096 03:18:34 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x3, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d}, {0x0, 0x0, 0xfc}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:34 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14d, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) r1 = gettid() tkill(r1, 0x3a) 03:18:34 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d}, {&(0x7f0000010400)="f803000fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:34 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15a, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:34 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002000000010006ffffff0f0000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) [ 2750.404401][T22672] loop1: detected capacity change from 0 to 256 [ 2750.434218][T22682] loop3: detected capacity change from 0 to 4096 [ 2750.444668][T22672] FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) 03:18:34 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14d, &(0x7f0000000140)="8de208f1679d9126a25750cb070000006083f3cf09690f0800000076751e3811ac9d0ddb00000000000027b236630a670057a74244a96187389fa2273b94ba06b9e4e3af9c6ff81d781d007fbe72f2f98608448dad202100dfe301745d4dc463ce5e06d54359b83bd82797e48adf8259a4270ef0d680984d8b6951f5ffcfe21ad81da7c3e70b5c56880a53b4d196eda27aa6d092eea121fe115424ced95ab7670c820a50be3abe9517f9e7a45eed9f8eede002d10bd5edc12efa21cb5ef16cdbbda2e5af18ba8733fb3cb407ee6c4252493d2834faafc1f2169271f1ec5721a6535c16009b43a7efe75322cf3af1d7b48e23185ebf24de7024f010eb56a4d9e6c86f8b507139aea1d0a9590f61c9fe3cc9ffb1e33c047bf53b8bf2ecbaac21c4813235354b7c3f948a5cd67acc8eeed21b4499f259f73ff434c441fd21e9c4ddfbd559baefc62efc3ae274f098"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) r1 = gettid() tkill(r1, 0x3a) 03:18:34 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15a, &(0x7f0000000140)="8de208f1679d9126a25750cb070000006083f3cf09690f0800000076751e3811ac9d0ddb00000000000027b236630a670057a74244a96187389fa2273b94ba06b9e4e3af9c6ff81d781d007fbe72f2f98608448dad202100dfe301745d4dc463ce5e06d54359b83bd82797e48adf8259a4270ef0d680984d8b6951f5ffcfe21ad81da7c3e70b5c56880a53b4d196eda27aa6d092eea121fe115424ced95ab7670c820a50be3abe9517f9e7a45eed9f8eede002d10bd5edc12efa21cb5ef16cdbbda2e5af18ba8733fb3cb407ee6c4252493d2834faafc1f2169271f1ec5721a6535c16009b43a7efe75322cf3af1d7b48e23185ebf24de7024f010eb56a4d9e6c86f8b507139aea1d0a9590f61c9fe3cc9ffb1e33c047bf53b8bf2ecbaac21c4813235354b7c3f948a5cd67acc8eeed21b4499f259f73ff434c441fd21e9c4ddfbd559baefc62efc3ae274f098f10222fc40f339cac4fdad51fe"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2750.446418][T22689] loop5: detected capacity change from 0 to 256 [ 2750.480040][T22672] FAT-fs (loop1): error, invalid access to FAT (entry 0x000000ff) [ 2750.487867][T22672] FAT-fs (loop1): Filesystem has been set read-only [ 2750.498324][T22689] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2750.518124][T22689] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2750.526080][T22689] FAT-fs (loop5): Filesystem has been set read-only [ 2750.558709][T22672] loop1: detected capacity change from 0 to 256 [ 2750.568433][T22689] loop5: detected capacity change from 0 to 256 [ 2750.578925][T22689] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2750.588670][T22672] FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2750.590987][T22689] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2750.605539][T22689] FAT-fs (loop5): Filesystem has been set read-only [ 2750.614978][T22672] FAT-fs (loop1): error, invalid access to FAT (entry 0x000000ff) [ 2750.622795][T22672] FAT-fs (loop1): Filesystem has been set read-only 03:18:37 executing program 2: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14c, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) tkill(0x0, 0x3a) 03:18:37 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15a, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:37 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14d, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) r1 = gettid() tkill(r1, 0x3a) 03:18:37 executing program 3: creat(&(0x7f0000000180)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./file0\x00', 0x1) keyctl$KEYCTL_PKEY_VERIFY(0xa, 0x0, &(0x7f0000000000)={'enc=', 'raw', ' hash=', {'blake2s-256-generic\x00'}}, 0x0, 0x0) r0 = creat(&(0x7f0000000040)='./bus\x00', 0x0) write$binfmt_elf64(r0, &(0x7f0000001700)=ANY=[], 0xfd14) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x0, [], 0x0, "2156816c73038c"}) r1 = syz_open_dev$sg(&(0x7f0000000000), 0x0, 0x0) ioctl$SG_IO(r1, 0x2285, &(0x7f0000000380)={0x53, 0x0, 0x19, 0x0, @scatter={0x0, 0x0, 0x0}, &(0x7f0000000200)="e5f432732f4e096d26e2c735d135121c921bda40b8585ba8d4", 0x0, 0x0, 0x0, 0x0, 0x0}) perf_event_open(&(0x7f00000003c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_config_ext={0x5}, 0x0, 0x0, 0x0, 0x7, 0x7fffffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000840)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000058c40)={0x1, [{0x0, r4}, {}, {r3}, {}, {r3}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r2, r4}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {r2}, {}, {}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {r2}, {}, {0x0, r4}, {r3}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {r2}, {0x0, r4}, {r2}, {}, {r3}, {r2}, {}, {r3, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {r2, r4}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {r3}, {0x0, r4}, {0x0, r4}, {r2}, {0x0, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {}, {r2}, {0x0, r4}, {}, {}, {0x0, r4}, {0x0, r4}, {r3, r4}, {r2}, {r3}, {}, {}, {r2}, {}, {}, {}, {0x0, r4}, {}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {0x0, r4}, {}, {r3, r4}, {0x0, r4}, {0x0, r4}, {}, {}, {r3}, {}, {}, {0x0, r4}, {r2}, {}, {}, {}, {}, {}, {0x0, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {0x0, r4}, {}, {r2}, {}, {}, {}, {0x0, r4}, {r2, r4}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {r2}, {0x0, r4}, {r2}, {r3, r4}, {0x0, r4}, {r2}, {}, {r2}, {}, {}, {r2, r4}, {0x0, r4}, {}, {0x0, r4}, {}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3, r4}, {}, {}, {}, {}, {0x0, r4}, {r2}, {r3}, {r3, r4}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2}, {}, {r3}, {}, {}, {}, {0x0, r4}, {}, {r2}, {r2}, {}, {}, {0x0, r4}, {}, {r3, r4}, {r2}, {0x0, r4}, {}, {}, {}, {r3}, {}, {r2, r4}, {}, {}, {r3}, {r2}, {}, {}, {}, {}, {r3}, {r2}, {}, {r3}, {r3}, {}, {}, {}, {}, {r2, r4}], 0x1, "2156816c73038c"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0) syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x200000, 0x9, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002000000010006000000100000000000000000008000"/93, 0x5d}, {&(0x7f0000010100)='RRaA\x00'/31, 0x1f, 0x800}, {&(0x7f0000010200)="00000000727241610100000007000000000000000000000000000000000055aa", 0x20, 0x9e0}, {&(0x7f0000010400)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1b, 0x10000}, {&(0x7f0000010500)="f8ffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff0fffffff", 0x1f, 0x10800}, {0x0, 0x0, 0x51000}, {&(0x7f0000010900)='syzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkallersyzkal\x00\x00', 0x41c, 0x91000}, {&(0x7f0000010e00)='syzkallers\x00'/28, 0x1c, 0xd1000}, {0x0}], 0x0, &(0x7f0000011000)) 03:18:37 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d}, {&(0x7f0000010400)="f804000fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) 03:18:37 executing program 5: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x3, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d}, {0x0, 0x0, 0xfe}, {&(0x7f0000010400)="f8ffff0fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) [ 2753.219070][T22740] loop1: detected capacity change from 0 to 256 [ 2753.231961][T22741] loop3: detected capacity change from 0 to 4096 [ 2753.242050][T22740] FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2753.253097][T22750] loop5: detected capacity change from 0 to 256 03:18:37 executing program 4: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x15a, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) tkill(0x0, 0x3a) [ 2753.281241][T22750] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2753.291188][T22740] FAT-fs (loop1): error, invalid access to FAT (entry 0x000000ff) [ 2753.299015][T22740] FAT-fs (loop1): Filesystem has been set read-only [ 2753.301859][T22750] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2753.313399][T22750] FAT-fs (loop5): Filesystem has been set read-only 03:18:37 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14d, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:37 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14d, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:37 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14d, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) tkill(r0, 0x38) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) [ 2753.331541][T22740] loop1: detected capacity change from 0 to 256 [ 2753.344672][T22740] FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2753.354164][T22740] FAT-fs (loop1): error, invalid access to FAT (entry 0x000000ff) [ 2753.362000][T22740] FAT-fs (loop1): Filesystem has been set read-only [ 2753.374831][T22750] loop5: detected capacity change from 0 to 256 03:18:37 executing program 0: clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() write$sndseq(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @ext={0x14d, &(0x7f0000000140)="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"}}], 0x1c) wait4(0x0, 0x0, 0x80000000, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000040)}, {&(0x7f0000000000)="0832f497d38350418e4bb321019511dc5df26e9a0b7ecb6974f527cc14538d1efb1ffe03284f6d33265be9c604b293f20e96beeb2aa4c457ac37a3a3f1ce8682500fcecd80", 0x45}], 0x2, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x2d) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x18, r0, 0x0, 0x0) r1 = gettid() tkill(r1, 0x3a) 03:18:37 executing program 1: syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f0000000200)=[{&(0x7f0000010000)="601c6d6b646f736617e43c00088020000200000004f80000200040000000000000000000010000000000000002", 0x2d}, {&(0x7f0000010400)="f805000fffffff0fff", 0x9, 0x10000}], 0x0, &(0x7f0000011000)) [ 2753.397662][T22750] FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2753.462767][T22806] loop1: detected capacity change from 0 to 256 [ 2753.465355][T22750] FAT-fs (loop5): error, invalid access to FAT (entry 0x000000ff) [ 2753.476863][T22750] FAT-fs (loop5): Filesystem has been set read-only [ 2753.486819][T22806] FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2753.496830][T22806] FAT-fs (loop1): error, invalid access to FAT (entry 0x000000ff) [ 2753.504748][T22806] FAT-fs (loop1): Filesystem has been set read-only [ 2753.557632][T22806] loop1: detected capacity change from 0 to 256 [ 2753.564728][T22806] FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 2753.574199][T22806] FAT-fs (loop1): error, invalid access to FAT (entry 0x000000ff) [ 2753.582114][T22806] FAT-fs (loop1): Filesystem has been set read-only