linux-kernel - Re: [syzbot] [ext4?] general protection fault in __block_commit

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Date: Mon, 01 Jul 2024 01:54:01 -0700
From: syzbot <syzbot+18df508cf00a0598d9a6@...kaller.appspotmail.com>
To: linux-kernel@...r.kernel.org, syzkaller-bugs@...glegroups.com, 
	wojciech.gladysz@...ogain.com
Subject: Re: [syzbot] [ext4?] general protection fault in __block_commit_write

Hello,

syzbot tried to test the proposed patch but the build/boot failed:

failed to checkout kernel repo https://linux.googlesource.com/linux/kernel/git/torvalds/linux/---: failed to run ["git" "fetch" "--force" "5efaa37364b8874e2c0b1d9108beeed3d23b6a7c" "---"]: exit status 129
error: unknown option `-'
usage: git fetch [<options>] [<repository> [<refspec>...]]
   or: git fetch [<options>] <group>
   or: git fetch --multiple [<options>] [(<repository> | <group>)...]
   or: git fetch --all [<options>]

    -v, --verbose         be more verbose
    -q, --quiet           be more quiet
    --all                 fetch from all remotes
    --set-upstream        set upstream for git pull/fetch
    -a, --append          append to .git/FETCH_HEAD instead of overwriting
    --atomic              use atomic transaction to update references
    --upload-pack <path>  path to upload pack on remote end
    -f, --force           force overwrite of local reference
    -m, --multiple        fetch from multiple remotes
    -t, --tags            fetch all tags and associated objects
    -n                    do not fetch all tags (--no-tags)
    -j, --jobs <n>        number of submodules fetched in parallel
    --prefetch            modify the refspec to place all refs within refs/prefetch/
    -p, --prune           prune remote-tracking branches no longer on remote
    -P, --prune-tags      prune local tags no longer on remote and clobber changed tags
    --recurse-submodules[=<on-demand>]
                          control recursive fetching of submodules
    --dry-run             dry run
    --write-fetch-head    write fetched references to the FETCH_HEAD file
    -k, --keep            keep downloaded pack
    -u, --update-head-ok  allow updating of HEAD ref
    --progress            force progress reporting
    --depth <depth>       deepen history of shallow clone
    --shallow-since <time>
                          deepen history of shallow repository based on time
    --shallow-exclude <revision>
                          deepen history of shallow clone, excluding rev
    --deepen <n>          deepen history of shallow clone
    --unshallow           convert to a complete repository
    --refetch             re-fetch without negotiating common commits
    --update-shallow      accept refs that update .git/shallow
    --refmap <refmap>     specify fetch refmap
    -o, --server-option <server-specific>
                          option to transmit
    -4, --ipv4            use IPv4 addresses only
    -6, --ipv6            use IPv6 addresses only
    --negotiation-tip <revision>
                          report that we have only objects reachable from this object
    --negotiate-only      do not fetch a packfile; instead, print ancestors of negotiation tips
    --filter <args>       object filtering
    --auto-maintenance    run 'maintenance --auto' after fetching
    --auto-gc             run 'maintenance --auto' after fetching
    --show-forced-updates
                          check for forced-updates on all updated branches
    --write-commit-graph  write the commit-graph after fetching
    --stdin               accept refspecs from stdin




Tested on:

commit:         [unknown 
git tree:       https://linux.googlesource.com/linux/kernel/git/torvalds/linux ---
kernel config:  https://syzkaller.appspot.com/x/.config?x=95dc1de8407c7270
dashboard link: https://syzkaller.appspot.com/bug?extid=18df508cf00a0598d9a6
compiler:       
userspace arch: arm64
patch:          https://syzkaller.appspot.com/x/patch.diff?x=14a45512980000