Hello, syzbot found the following issue on: HEAD commit: 65762d97e6fa Merge branch 'for-next/perf' into for-kernelci git tree: git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci console output: https://syzkaller.appspot.com/x/log.txt?x=14e324e3880000 kernel config: https://syzkaller.appspot.com/x/.config?x=56d0c7c3a2304e8f dashboard link: https://syzkaller.appspot.com/bug?extid=97e301b4b82ae803d21b compiler: Debian clang version 13.0.1-++20220126092033+75e33f71c2da-1~exp1~20220126212112.63, GNU ld (GNU Binutils for Debian) 2.35.2 userspace arch: arm64 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=10983553880000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=13315ebb880000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/52f702197b30/disk-65762d97.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/72189c2789ce/vmlinux-65762d97.xz kernel image: https://storage.googleapis.com/syzbot-assets/ec0349196c98/Image-65762d97.gz.xz mounted in repro: https://storage.googleapis.com/syzbot-assets/6bfea2266b7f/mount_0.gz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+97e301b4b82ae803d21b@xxxxxxxxxxxxxxxxxxxxxxxxx ------------[ cut here ]------------ kernel BUG at fs/hfs/inode.c:446! Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 347 Comm: kworker/u4:3 Not tainted 6.1.0-rc6-syzkaller-32653-g65762d97e6fa #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 Workqueue: writeback wb_workfn (flush-7:0) pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : hfs_write_inode+0x44c/0x450 fs/hfs/inode.c:446 lr : hfs_write_inode+0x44c/0x450 fs/hfs/inode.c:446 sp : ffff800012f9b960 x29: ffff800012f9ba10 x28: ffff0000cb9013e0 x27: ffff0000cb901358 x26: 0000000000000021 x25: 0000000000000007 x24: ffff0000cb9013e0 x23: 0000000000000003 x22: 0000000000000000 x21: ffff800012f9b9a0 x20: 0000000000000000 x19: ffff0000cb901358 x18: 00000000000000c0 x17: ffff80000dda8198 x16: 0000000000000000 x15: 0000000000000000 x14: 0000000000000000 x13: 0000000000000004 x12: ffff80000d51b008 x11: ff80800008903460 x10: 0000000000000000 x9 : ffff800008903460 x8 : ffff0000c4048000 x7 : ffff80000862d114 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000001 x1 : ffff80000d51afe0 x0 : 0000000000000000 Call trace: hfs_write_inode+0x44c/0x450 fs/hfs/inode.c:446 write_inode fs/fs-writeback.c:1440 [inline] __writeback_single_inode+0x240/0x2e4 fs/fs-writeback.c:1652 writeback_sb_inodes+0x3e4/0x85c fs/fs-writeback.c:1870 wb_writeback+0x198/0x328 fs/fs-writeback.c:2044 wb_do_writeback+0xc8/0x384 fs/fs-writeback.c:2187 wb_workfn+0x70/0x15c fs/fs-writeback.c:2227 process_one_work+0x2d8/0x504 kernel/workqueue.c:2289 worker_thread+0x340/0x610 kernel/workqueue.c:2436 kthread+0x12c/0x158 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:863 Code: d4210000 17ffff98 94ddff99 97e6893f (d4210000) ---[ end trace 0000000000000000 ]--- --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@xxxxxxxxxxxxxxxx. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. syzbot can test patches for this issue, for details see: https://goo.gl/tpsmEJ#testing-patches
