get_tree_bdev+0x3b5/0x650 fs/super.c:1598 vfs_get_tree+0x8c/0x370 fs/super.c:1771 do_new_mount fs/namespace.c:3337 [inline] path_mount+0x1492/0x1ed0 fs/namespace.c:3664 ------------[ cut here ]------------ kernel BUG at include/linux/page-flags.h:314! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 3 PID: 41 Comm: kcompactd0 Not tainted 6.7.0-rc7-syzkaller #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 RIP: 0010:folio_flags+0x1b9/0x1f0 include/linux/page-flags.h:314 Code: 41 83 e4 01 44 89 e6 e8 f5 8c b0 ff 45 84 e4 0f 85 c8 fe ff ff e8 b7 91 b0 ff 48 c7 c6 a0 4f da 8a 48 89 ef e8 08 f3 ee ff 90 <0f> 0b e8 e0 78 06 00 e9 6a fe ff ff 48 89 ef e8 d3 78 06 00 eb b6 RSP: 0018:ffffc90000bb78b8 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffc90000bb7718 RDX: ffff888013b84b40 RSI: ffffffff81d5d2d8 RDI: ffffffff8b2ed3a0 RBP: ffffea00006abf80 R08: 0000000000000000 R09: fffffbfff1e30e0a R10: ffffffff8f187057 R11: 0000000000000000 R12: 0000000000000000 R13: ffffea00006abf40 R14: ffffea00006abf80 R15: 000000000001aafe FS: 0000000000000000(0000) GS:ffff88806b900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f774c341d58 CR3: 0000000018f01000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: folio_test_hugetlb include/linux/page-flags.h:854 [inline] PageHuge+0x215/0x2b0 mm/hugetlb.c:2173 isolate_migratepages_block+0x61b/0x4a60 mm/compaction.c:949 isolate_migratepages mm/compaction.c:2052 [inline] compact_zone+0x18ef/0x3f80 mm/compaction.c:2508 proactive_compact_node+0x118/0x1d0 mm/compaction.c:2797 kcompactd+0x712/0xd80 mm/compaction.c:3113 kthread+0x2c6/0x3a0 kernel/kthread.c:388 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:folio_flags+0x1b9/0x1f0 include/linux/page-flags.h:314 Code: 41 83 e4 01 44 89 e6 e8 f5 8c b0 ff 45 84 e4 0f 85 c8 fe ff ff e8 b7 91 b0 ff 48 c7 c6 a0 4f da 8a 48 89 ef e8 08 f3 ee ff 90 <0f> 0b e8 e0 78 06 00 e9 6a fe ff ff 48 89 ef e8 d3 78 06 00 eb b6 RSP: 0018:ffffc90000bb78b8 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffc90000bb7718 RDX: ffff888013b84b40 RSI: ffffffff81d5d2d8 RDI: ffffffff8b2ed3a0 RBP: ffffea00006abf80 R08: 0000000000000000 R09: fffffbfff1e30e0a R10: ffffffff8f187057 R11: 0000000000000000 R12: 0000000000000000 R13: ffffea00006abf40 R14: ffffea00006abf80 R15: 000000000001aafe FS: 0000000000000000(0000) GS:ffff88806b900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f774c341d58 CR3: 0000000021ccc000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400