Hello, syzbot found the following issue on: HEAD commit: 0136d86b7852 Merge tag 'block-6.2-2023-02-03' of git://git.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=1491dc8d480000 kernel config: https://syzkaller.appspot.com/x/.config?x=de1f4b1f70af0b59 dashboard link: https://syzkaller.appspot.com/bug?extid=6cbda114570e858851b7 compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/c63dfadfcd7e/disk-0136d86b.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/3a5df54d745a/vmlinux-0136d86b.xz kernel image: https://storage.googleapis.com/syzbot-assets/a8a388fa8486/bzImage-0136d86b.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+6cbda114570e858851b7@xxxxxxxxxxxxxxxxxxxxxxxxx ------------[ cut here ]------------ kernel BUG at fs/ntfs/malloc.h:31! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 24702 Comm: syz-executor.0 Not tainted 6.2.0-rc6-syzkaller-00239-g0136d86b7852 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 RIP: 0010:ntfs_malloc_nofs+0xfd/0x100 Code: 17 e8 97 a9 ca fe 48 89 df be 42 0c 00 00 5b 41 5e 41 5f e9 a5 7c 11 ff e8 80 a9 ca fe 31 c0 5b 41 5e 41 5f c3 e8 73 a9 ca fe <0f> 0b 90 66 0f 1f 00 55 41 57 41 56 41 55 41 54 53 49 89 fe 49 bc RSP: 0018:ffffc9001253f820 EFLAGS: 00010287 RAX: ffffffff82bf8d9d RBX: 0000000000000000 RCX: 0000000000040000 RDX: ffffc900042e1000 RSI: 000000000000c21c RDI: 000000000000c21d RBP: dffffc0000000000 R08: ffffffff82bf8ccd R09: ffffed10116c7a5b R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88808b63d2d0 R13: ffff88808b63d5a0 R14: 1ffff110116c7a88 R15: 1ffff1101302e191 FS: 00007fdebddd5700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2683f0a000 CR3: 0000000032300000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> ntfs_read_locked_inode+0x1fae/0x4a50 ntfs_iget+0x113/0x190 load_system_files+0x248d/0x4740 ntfs_fill_super+0x19b4/0x2bd0 mount_bdev+0x271/0x3a0 legacy_get_tree+0xef/0x190 vfs_get_tree+0x8c/0x270 do_new_mount+0x28f/0xae0 __se_sys_mount+0x2c9/0x3b0 do_syscall_64+0x41/0xc0 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fdebd08d5fa Code: 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fdebddd4f88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 000000000001e70f RCX: 00007fdebd08d5fa RDX: 0000000020000080 RSI: 0000000020000000 RDI: 00007fdebddd4fe0 RBP: 00007fdebddd5020 R08: 00007fdebddd5020 R09: 0000000000000005 R10: 0000000000000005 R11: 0000000000000202 R12: 0000000020000080 R13: 0000000020000000 R14: 00007fdebddd4fe0 R15: 0000000020001400 </TASK> Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ntfs_malloc_nofs+0xfd/0x100 Code: 17 e8 97 a9 ca fe 48 89 df be 42 0c 00 00 5b 41 5e 41 5f e9 a5 7c 11 ff e8 80 a9 ca fe 31 c0 5b 41 5e 41 5f c3 e8 73 a9 ca fe <0f> 0b 90 66 0f 1f 00 55 41 57 41 56 41 55 41 54 53 49 89 fe 49 bc RSP: 0018:ffffc9001253f820 EFLAGS: 00010287 RAX: ffffffff82bf8d9d RBX: 0000000000000000 RCX: 0000000000040000 RDX: ffffc900042e1000 RSI: 000000000000c21c RDI: 000000000000c21d RBP: dffffc0000000000 R08: ffffffff82bf8ccd R09: ffffed10116c7a5b R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88808b63d2d0 R13: ffff88808b63d5a0 R14: 1ffff110116c7a88 R15: 1ffff1101302e191 FS: 00007fdebddd5700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f591d1a8000 CR3: 0000000032300000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 --- 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.
