Hello, syzbot found the following issue on: HEAD commit: a41a877bc12d Merge branch 'for-next/fixes' 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=11d7f5ad080000 kernel config: https://syzkaller.appspot.com/x/.config?x=5cea15779c42821c dashboard link: https://syzkaller.appspot.com/bug?extid=28207acc70bbf3d85b74 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 Unfortunately, I don't have any reproducer for this issue yet. IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+28207acc70bbf3d85b74@xxxxxxxxxxxxxxxxxxxxxxxxx Unable to handle kernel paging request at virtual address ffff000224d7f83a Mem abort info: ESR = 0x0000000096000005 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x05: level 1 translation fault Data abort info: ISV = 0, ISS = 0x00000005 CM = 0, WnR = 0 swapper pgtable: 4k pages, 48-bit VAs, pgdp=00000001c5736000 [ffff000224d7f83a] pgd=180000023fff8003, p4d=180000023fff8003, pud=0000000000000000 Internal error: Oops: 96000005 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 28529 Comm: syz-executor.3 Not tainted 6.0.0-rc2-syzkaller-16455-ga41a877bc12d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : mi_enum_attr+0x10c/0x314 fs/ntfs3/record.c:227 lr : mi_enum_attr+0xf0/0x314 fs/ntfs3/record.c:223 sp : ffff8000220f3940 x29: ffff8000220f3940 x28: ffff000124d7f800 x27: ffff000124d7f838 x26: 00000000fffffffe x25: 0000000000000048 x24: 0000000000000000 x23: 0000000000000000 x22: 0000000000000036 x21: 0000000000000198 x20: 0000000000000038 x19: ffff000224d7f836 x18: 0000000000000002 x17: ffff80000c04d6bc x16: 0000000000000000 x15: 0000000000000000 x14: 0000000000000064 x13: 0000000000989680 x12: 0000000000040000 x11: 00000000000105f8 x10: ffff800019725000 x9 : ffff800008c10880 x8 : 00000000000105f9 x7 : 0000000000000000 x6 : 0000000000000000 x5 : ffff000124d7fc00 x4 : ffff00011eb5e400 x3 : 0000000000000000 x2 : ffff8000220f3a70 x1 : 00000000fffffffe x0 : 0000000000000018 Call trace: mi_enum_attr+0x10c/0x314 fs/ntfs3/record.c:210 ni_enum_attr_ex+0x174/0x29c fs/ntfs3/frecord.c:259 ntfs_read_mft fs/ntfs3/inode.c:114 [inline] ntfs_iget5+0xf44/0x138c fs/ntfs3/inode.c:501 ntfs_loadlog_and_replay+0x98/0x1ec fs/ntfs3/fsntfs.c:272 ntfs_fill_super+0xc10/0x14a4 fs/ntfs/super.c:2904 get_tree_bdev+0x1e8/0x2a0 fs/super.c:1323 ntfs_fs_get_tree+0x28/0x38 fs/ntfs3/super.c:1358 vfs_get_tree+0x40/0x140 fs/super.c:1530 do_new_mount+0x1dc/0x4e4 fs/namespace.c:3040 path_mount+0x358/0x914 fs/namespace.c:3370 do_mount fs/namespace.c:3383 [inline] __do_sys_mount fs/namespace.c:3591 [inline] __se_sys_mount fs/namespace.c:3568 [inline] __arm64_sys_mount+0x2f8/0x408 fs/namespace.c:3568 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall arch/arm64/kernel/syscall.c:52 [inline] el0_svc_common+0x138/0x220 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x48/0x154 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x150 arch/arm64/kernel/entry-common.c:624 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:642 el0t_64_sync+0x18c/0x190 Code: 97da4c0f 14000039 97da4c0d 8b160293 (b9400674) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: 97da4c0f bl 0xffffffffff69303c 4: 14000039 b 0xe8 8: 97da4c0d bl 0xffffffffff69303c c: 8b160293 add x19, x20, x22 * 10: b9400674 ldr w20, [x19, #4] <-- trapping instruction --- 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.
