loop2: detected capacity change from 0 to 16 MTD: Attempt to mount non-MTD device "/dev/loop2" VFS_BUG_ON_INODE(!IS_ANON_FILE(inode)) encountered for inode ffff8880562e3250 ------------[ cut here ]------------ kernel BUG at fs/namei.c:3483! Oops: invalid opcode: 0000 [#1] SMP KASAN PTI CPU: 1 UID: 0 PID: 7247 Comm: syz.2.149 Not tainted 6.16.0-rc4-syzkaller-00324-g1f988d0788f5 #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:may_open+0x4b1/0x4c0 fs/namei.c:3483 Code: 38 c1 0f 8c 1e fd ff ff 4c 89 e7 e8 69 25 ec ff e9 11 fd ff ff e8 7f cd 8a ff 4c 89 f7 48 c7 c6 c0 41 99 8b e8 b0 92 f2 fe 90 <0f> 0b 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 RSP: 0018:ffffc90003d1f940 EFLAGS: 00010246 RAX: 000000000000004d RBX: dffffc0000000000 RCX: 081efb0030571e00 RDX: ffffc9000bdaa000 RSI: 0000000000000388 RDI: 0000000000000389 RBP: 0000000000008002 R08: ffff8880b8724293 R09: 1ffff110170e4852 R10: dffffc0000000000 R11: ffffed10170e4853 R12: 0000000000000000 R13: ffffffff8e29cd00 R14: ffff8880562e3250 R15: 0000000000000006 FS: 00007f36c2b4b6c0(0000) GS:ffff888125d50000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f1ecb3dde9c CR3: 000000007a00a000 CR4: 00000000003526f0 Call Trace: do_open fs/namei.c:3894 [inline] path_openat+0x2d91/0x3830 fs/namei.c:4055 do_filp_open+0x1fa/0x410 fs/namei.c:4082 do_sys_openat2+0x121/0x1c0 fs/open.c:1437 do_sys_open fs/open.c:1452 [inline] __do_sys_open fs/open.c:1460 [inline] __se_sys_open fs/open.c:1456 [inline] __x64_sys_open+0x11e/0x150 fs/open.c:1456 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f36c1d8e929 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f36c2b4b038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007f36c1fb5fa0 RCX: 00007f36c1d8e929 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000200000000000 RBP: 00007f36c1e10b39 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f36c1fb5fa0 R15: 00007ffde6fee748 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:may_open+0x4b1/0x4c0 fs/namei.c:3483 Code: 38 c1 0f 8c 1e fd ff ff 4c 89 e7 e8 69 25 ec ff e9 11 fd ff ff e8 7f cd 8a ff 4c 89 f7 48 c7 c6 c0 41 99 8b e8 b0 92 f2 fe 90 <0f> 0b 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 RSP: 0018:ffffc90003d1f940 EFLAGS: 00010246 RAX: 000000000000004d RBX: dffffc0000000000 RCX: 081efb0030571e00 RDX: ffffc9000bdaa000 RSI: 0000000000000388 RDI: 0000000000000389 RBP: 0000000000008002 R08: ffff8880b8724293 R09: 1ffff110170e4852 R10: dffffc0000000000 R11: ffffed10170e4853 R12: 0000000000000000 R13: ffffffff8e29cd00 R14: ffff8880562e3250 R15: 0000000000000006 FS: 00007f36c2b4b6c0(0000) GS:ffff888125c50000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f36bf7d2f98 CR3: 000000007a00a000 CR4: 00000000003526f0