------------[ cut here ]------------ kernel BUG at fs/buffer.c:1582! Oops: invalid opcode: 0000 [#1] SMP KASAN PTI CPU: 1 UID: 0 PID: 26947 Comm: syz.8.5716 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 RIP: 0010:folio_set_bh+0x1dc/0x1e0 fs/buffer.c:1582 Code: 4c 89 e2 e8 26 af 80 02 e9 42 ff ff ff e8 5c 5e 77 ff 48 89 df 48 c7 c6 60 11 7a 8b e8 bd 13 df fe 90 0f 0b e8 45 5e 77 ff 90 <0f> 0b 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f RSP: 0018:ffffc90004487750 EFLAGS: 00010293 RAX: ffffffff8248d5cb RBX: ffffea0001ee6c00 RCX: ffff8880607a8000 RDX: 0000000000000000 RSI: 0000000000010000 RDI: 0000000000010000 RBP: dffffc0000000000 R08: ffffea0001ee6c07 R09: 1ffffd40003dcd80 R10: dffffc0000000000 R11: fffff940003dcd81 R12: 0000000000000004 R13: 0000000000010000 R14: ffff8880787c8828 R15: 0000000000010000 FS: 00007fa3664db6c0(0000) GS:ffff888125e2d000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa3663156c0 CR3: 0000000029eac000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000001800 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: folio_alloc_buffers+0x3a0/0x640 fs/buffer.c:946 grow_dev_folio fs/buffer.c:1075 [inline] grow_buffers fs/buffer.c:1116 [inline] __getblk_slow fs/buffer.c:1134 [inline] bdev_getblk+0x286/0x660 fs/buffer.c:1461 __bread_gfp+0x89/0x3c0 fs/buffer.c:1515 sb_bread_unmovable include/linux/buffer_head.h:352 [inline] ntfs_bread+0xc2/0x1e0 fs/ntfs3/fsntfs.c:1033 ntfs_init_from_boot fs/ntfs3/super.c:937 [inline] ntfs_fill_super+0x63d/0x40b0 fs/ntfs3/super.c:1244 get_tree_bdev_flags+0x40e/0x4d0 fs/super.c:1691 vfs_get_tree+0x92/0x2b0 fs/super.c:1751 fc_mount fs/namespace.c:1208 [inline] do_new_mount_fc fs/namespace.c:3651 [inline] do_new_mount+0x302/0xa10 fs/namespace.c:3727 do_mount fs/namespace.c:4050 [inline] __do_sys_mount fs/namespace.c:4238 [inline] __se_sys_mount+0x313/0x410 fs/namespace.c:4215 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fa36558eec9 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:00007fa3664db038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fa3657e5fa0 RCX: 00007fa36558eec9 RDX: 0000200000000000 RSI: 0000200000000040 RDI: 00002000000000c0 RBP: 00007fa365611f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000208001 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fa3657e6038 R14: 00007fa3657e5fa0 R15: 00007fffa888efb8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:folio_set_bh+0x1dc/0x1e0 fs/buffer.c:1582 Code: 4c 89 e2 e8 26 af 80 02 e9 42 ff ff ff e8 5c 5e 77 ff 48 89 df 48 c7 c6 60 11 7a 8b e8 bd 13 df fe 90 0f 0b e8 45 5e 77 ff 90 <0f> 0b 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f RSP: 0018:ffffc90004487750 EFLAGS: 00010293 RAX: ffffffff8248d5cb RBX: ffffea0001ee6c00 RCX: ffff8880607a8000 RDX: 0000000000000000 RSI: 0000000000010000 RDI: 0000000000010000 RBP: dffffc0000000000 R08: ffffea0001ee6c07 R09: 1ffffd40003dcd80 R10: dffffc0000000000 R11: fffff940003dcd81 R12: 0000000000000004 R13: 0000000000010000 R14: ffff8880787c8828 R15: 0000000000010000 FS: 00007fa3664db6c0(0000) GS:ffff888125e2d000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa3663156c0 CR3: 0000000029eac000 CR4: 00000000003526f0 DR0: ffffffffffffffff DR1: 0000000000000006 DR2: 0000400000000007 DR3: 0000000000000fff DR6: 00000000ffff0ff0 DR7: 0000000000000400