syzbot has found a reproducer for the following issue on: HEAD commit: a6b443748715 Merge branch 'for-next/core', remote-tracking.. 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=15625dbf080000 kernel config: https://syzkaller.appspot.com/x/.config?x=14bf9ec0df433b27 dashboard link: https://syzkaller.appspot.com/bug?extid=b4084c18420f9fad0b4f 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=1482f778880000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=10d9e35d080000 IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+b4084c18420f9fad0b4f@xxxxxxxxxxxxxxxxxxxxxxxxx ntfs3: loop0: Different NTFS' sector size (4096) and media sector size (512) ntfs3: loop0: RAW NTFS volume: Filesystem size 0.00 Gb > volume size 0.00 Gb. Mount in read-only Unable to handle kernel paging request at virtual address dead4ead00000010 Mem abort info: ESR = 0x0000000096000004 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x04: level 0 translation fault Data abort info: ISV = 0, ISS = 0x00000004 CM = 0, WnR = 0 [dead4ead00000010] address between user and kernel address ranges Internal error: Oops: 96000004 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 3051 Comm: syz-executor281 Not tainted 6.0.0-rc4-syzkaller-17255-ga6b443748715 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : ntfs_iget5+0x88/0x138c fs/ntfs3/inode.c:502 lr : ntfs_iget5+0x78/0x138c fs/ntfs3/inode.c:500 sp : ffff80001275ba40 x29: ffff80001275bae0 x28: ffff0000cb374000 x27: ffff0000c90ce000 x26: ffff80001275bb70 x25: 0000000000000024 x24: ffff80000c1300b4 x23: ffff0000cb3761a8 x22: ffff0000ca8c8250 x21: ffff0000ca8c9708 x20: 0000000000000002 x19: ffff0000ca8c1a30 x18: 00000000000000c0 x17: ffff80000dd3a698 x16: ffff80000db78658 x15: ffff0000c71eb500 x14: ffff80000dd3a698 x13: ffff80000db78658 x12: ffff0000c71eb500 x11: ff80800008bf1798 x10: 0000000000000000 x9 : ffff0000c71eb500 x8 : dead4ead00000000 x7 : ffff8000085eb4a0 x6 : 0000000000000000 x5 : 0000000000000020 x4 : ffff80001275b690 x3 : 0000000000000000 x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: ntfs_iget5+0x88/0x138c fs/ntfs3/inode.c:502 ntfs_fill_super+0xbe8/0x14a4 fs/ntfs/super.c:2902 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+0x48/0x164 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: 37180194 d108c268 f9400108 79400f54 (79402115) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: 37180194 tbnz w20, #3, 0x30 4: d108c268 sub x8, x19, #0x230 8: f9400108 ldr x8, [x8] c: 79400f54 ldrh w20, [x26, #6] * 10: 79402115 ldrh w21, [x8, #16] <-- trapping instruction
