Re: linux5.15 package install scripts fails if /boot is mounted on vfat fstype

[rdslw <rdslw@users.noreply.github.com>]

[-- Attachment #1: Type: text/plain, Size: 2999 bytes --]

New comment by rdslw on void-packages repository

https://github.com/void-linux/void-packages/issues/47011#issuecomment-1789495385

Comment:
@Duncaen as I expected, this is due to the chown, strace is:
```
[...]
open("boot/vmlinuz-5.15.131_1", O_WRONLY|O_CREAT|O_EXCL|O_CLOEXEC, 0644) = 7
fcntl(7, F_SETFD, FD_CLOEXEC)           = 0
fcntl(7, F_GETFD)                       = 0x1 (flags FD_CLOEXEC)
write(7, "MZ\352\7\0\300\7\214\310\216\330\216\300\216\3201\344\373\374\276@\0\254 \300t\t\264\16\273\7\0"..., 13312) = 13312
read(6, "ze\240e}M\205\363\203\362\304\214`f\261\306M=\354\340J\273\272Y\247E\22\343+\323+\212"..., 4096) = 4096

[... lot of writing to FD no 7]
write(7, "\20\2315\fQ\23\f\306\321\226!Z\331*D\333\333\206h}\273\20\235\302\304\366!\272\211\316\35B"..., 102176) = 102176
fchown(7, 0, 0)                         = -1 EPERM (Operation not permitted)
lchown("boot/vmlinuz-5.15.131_1", 0, 0) = -1 EPERM (Operation not permitted)
utimensat(7, NULL, [{tv_sec=1698864954, tv_nsec=0} /* 2023-11-01T19:55:54+0100 */, {tv_sec=1694612722, tv_nsec=0} /* 2023-09-13T15:45:22+0200 */], 0) = 0
close(7)                                = 0
writev(2, [{iov_base="", iov_len=0}, {iov_base="ERROR: ", iov_len=7}], 2ERROR: ) = 7
writev(2, [{iov_base="", iov_len=0}, {iov_base="linux5.15-5.15.131_1: [unpack] f"..., iov_len=106}], 2linux5.15-5.15.131_1: [unpack] failed to extract file `./boot/vmlinuz-5.15.131_1': Operation not permitted) = 106
writev(2, [{iov_base="\n", iov_len=1}, {iov_base=NULL, iov_len=0}], 2
) = 1
socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 7
connect(7, {sa_family=AF_UNIX, sun_path="/dev/log"}, 12) = 0
sendto(7, "<11>Nov  1 18:56:00 xbps-install"..., 141, 0, NULL, 0) = 141
writev(2, [{iov_base="", iov_len=0}, {iov_base="ERROR: ", iov_len=7}], 2ERROR: ) = 7
writev(2, [{iov_base="linux5.15-5.15.131_1: [unpack] f"..., iov_len=80}, {iov_base=NULL, iov_len=0}], 2linux5.15-5.15.131_1: [unpack] failed to extract files: Operation not permitted
) = 80
sendto(7, "<11>Nov  1 18:56:00 xbps-install"..., 114, 0, NULL, 0) = 114
writev(2, [{iov_base="", iov_len=0}, {iov_base="ERROR: ", iov_len=7}], 2ERROR: ) = 7
writev(2, [{iov_base="", iov_len=0}, {iov_base="linux5.15-5.15.131_1: [unpack] f"..., iov_len=91}], 2linux5.15-5.15.131_1: [unpack] failed to unpack files from archive: Operation not permitted) = 91
writev(2, [{iov_base="\n", iov_len=1}, {iov_base=NULL, iov_len=0}], 2
) = 1
sendto(7, "<11>Nov  1 18:56:00 xbps-install"..., 126, 0, NULL, 0) = 126
close(6)                                = 0
munmap(0x79b456975000, 4591616)         = 0
umask(022)                              = 022
writev(2, [{iov_base="", iov_len=0}, {iov_base="Transaction failed! see above fo"..., iov_len=42}], 2Transaction failed! see above for errors.
) = 42
fcntl(3, F_SETLK, {l_type=F_UNLCK, l_whence=SEEK_CUR, l_start=0, l_len=0}) = 0
close(3)                                = 0
exit_group(1)                           = ?
+++ exited with 1 +++
```