Hello, syzbot found the following issue on: HEAD commit: 445a555e0623 Add linux-next specific files for 20240209 git tree: linux-next console+strace: https://syzkaller.appspot.com/x/log.txt?x=147c85b8180000 kernel config: https://syzkaller.appspot.com/x/.config?x=85aa3388229f9ea9 dashboard link: https://syzkaller.appspot.com/bug?extid=96f61f1ad84e33cee93e compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=178b1e20180000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=143db9f4180000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/9188bb84c998/disk-445a555e.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/3ce0c98eabb2/vmlinux-445a555e.xz kernel image: https://storage.googleapis.com/syzbot-assets/ab801b1c1d6d/bzImage-445a555e.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+96f61f1ad84e33cee93e@xxxxxxxxxxxxxxxxxxxxxxxxx ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5075 at block/bdev.c:930 blk_to_file_flags block/bdev.c:930 [inline] WARNING: CPU: 1 PID: 5075 at block/bdev.c:930 bdev_file_open_by_dev+0x112/0x270 block/bdev.c:963 Modules linked in: CPU: 1 PID: 5075 Comm: syz-executor215 Not tainted 6.8.0-rc3-next-20240209-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 RIP: 0010:blk_to_file_flags block/bdev.c:930 [inline] RIP: 0010:bdev_file_open_by_dev+0x112/0x270 block/bdev.c:963 Code: 04 b2 14 fd 44 89 e8 83 e0 02 75 23 44 89 ee 83 e6 01 45 31 e4 31 ff e8 ec b1 14 fd 44 89 e8 83 e0 01 75 18 e8 9f ad 14 fd 90 <0f> 0b 90 eb 12 e8 94 ad 14 fd 41 bc 01 00 00 00 eb 05 e8 87 ad 14 RSP: 0018:ffffc90003457b58 EFLAGS: 00010293 RAX: ffffffff847f2dc1 RBX: 0000000000000000 RCX: ffff8880786e9e00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffff88801d0a8000 R08: ffffffff847f2db4 R09: 1ffff11003a1510b R10: dffffc0000000000 R11: ffffed1003a1510c R12: 0000000000000000 R13: 0000000000000010 R14: 0000000000000000 R15: 0000000000000000 FS: 0000555556bbe380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000005fdeb8 CR3: 00000000785f2000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> disk_scan_partitions+0x1be/0x2b0 block/genhd.c:369 blkdev_common_ioctl+0x15cc/0x2880 block/ioctl.c:558 blkdev_ioctl+0x532/0x740 block/ioctl.c:627 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:871 [inline] __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:857 do_syscall_64+0xfb/0x240 entry_SYSCALL_64_after_hwframe+0x6d/0x75 RIP: 0033:0x7f07197090e9 Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007fffd2bd39c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fffd2bd3b98 RCX: 00007f07197090e9 RDX: 0000000000000000 RSI: 000000000000125f RDI: 0000000000000003 RBP: 00007f071977c610 R08: 002364626e2f7665 R09: 00007fffd2bd3b98 R10: 000000000000001f R11: 0000000000000246 R12: 0000000000000001 R13: 00007fffd2bd3b88 R14: 0000000000000001 R15: 0000000000000001 </TASK> --- 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. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want syzbot to run the reproducer, reply with: #syz test: git://repo/address.git branch-or-commit-hash If you attach or paste a git patch, syzbot will apply it before testing. If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup
