__do_compat_sys_ia32_clone+0xb7/0xf0 arch/x86/kernel/sys_ia32.c:254 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline] __do_fast_syscall_32+0x62/0xe0 arch/x86/entry/common.c:321 do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:346 entry_SYSENTER_compat_after_hwframe+0x70/0x7a ------------[ cut here ]------------ kernel BUG at include/linux/page-flags.h:314! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 44 Comm: kcompactd1 Not tainted 6.7.0-rc5-syzkaller-00200-g3bd7d7488169 #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 55 1c b0 ff 45 84 e4 0f 85 c8 fe ff ff e8 17 21 b0 ff 48 c7 c6 a0 81 da 8a 48 89 ef e8 78 f3 ee ff 90 <0f> 0b e8 c0 ce 06 00 e9 6a fe ff ff 48 89 ef e8 b3 ce 06 00 eb b6 RSP: 0018:ffffc900006af8b8 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffc900006af718 RDX: ffff888016864800 RSI: ffffffff81d76cf8 RDI: ffffffff8b2f0de0 RBP: ffffea000137d000 R08: 0000000000000000 R09: fffffbfff1e3290a R10: ffffffff8f194857 R11: 0000000000000000 R12: 0000000000000000 R13: ffffea000137cfc0 R14: ffffea000137d000 R15: 000000000004df40 FS: 0000000000000000(0000) GS:ffff88802c700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000580 CR3: 0000000022872000 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 55 1c b0 ff 45 84 e4 0f 85 c8 fe ff ff e8 17 21 b0 ff 48 c7 c6 a0 81 da 8a 48 89 ef e8 78 f3 ee ff 90 <0f> 0b e8 c0 ce 06 00 e9 6a fe ff ff 48 89 ef e8 b3 ce 06 00 eb b6 RSP: 0018:ffffc900006af8b8 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffc900006af718 RDX: ffff888016864800 RSI: ffffffff81d76cf8 RDI: ffffffff8b2f0de0 RBP: ffffea000137d000 R08: 0000000000000000 R09: fffffbfff1e3290a R10: ffffffff8f194857 R11: 0000000000000000 R12: 0000000000000000 R13: ffffea000137cfc0 R14: ffffea000137d000 R15: 000000000004df40 FS: 0000000000000000(0000) GS:ffff88802c700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c010dfce60 CR3: 000000001c7af000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400