do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline] __do_fast_syscall_32+0x7c/0x120 arch/x86/entry/common.c:321 do_fast_syscall_32+0x33/0x80 arch/x86/entry/common.c:346 entry_SYSENTER_compat_after_hwframe+0x7c/0x86 ------------[ cut here ]------------ kernel BUG at include/linux/page-flags.h:314! invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 0 PID: 43 Comm: kcompactd1 Not tainted 6.8.0-rc4-syzkaller-00180-g4f5e5092fdbf #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+0x1bd/0x1f0 include/linux/page-flags.h:314 Code: 41 83 e4 01 44 89 e6 e8 01 aa ab ff 45 84 e4 0f 85 c4 fe ff ff e8 73 af ab ff 48 c7 c6 00 96 fa 8a 48 89 ef e8 84 86 ed ff 90 <0f> 0b e8 9c 3f 06 00 e9 66 fe ff ff 48 89 ef e8 8f 3f 06 00 eb b6 RSP: 0018:ffffc9000069f8b0 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffc9000069f710 RDX: ffff8880185d0000 RSI: ffffffff81e034ac RDI: ffffffff8b4db900 RBP: ffffea0001422f00 R08: 0000000000000000 R09: fffffbfff1ef22fa R10: ffffffff8f7917d7 R11: 00000000000003ad R12: 0000000000000000 R13: ffffea0001422f00 R14: 00000000000508bc R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff88802c200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000031d23000 CR3: 0000000054234000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: folio_test_hugetlb include/linux/page-flags.h:849 [inline] PageHuge+0x219/0x2b0 mm/hugetlb.c:2173 isolate_migratepages_block+0x645/0x4cc0 mm/compaction.c:950 isolate_migratepages mm/compaction.c:2074 [inline] compact_zone+0x18ef/0x3f90 mm/compaction.c:2530 proactive_compact_node+0x118/0x1d0 mm/compaction.c:2819 kcompactd+0x712/0xd80 mm/compaction.c:3135 kthread+0x2c6/0x3b0 kernel/kthread.c:388 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1b/0x30 arch/x86/entry/entry_64.S:242 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:folio_flags+0x1bd/0x1f0 include/linux/page-flags.h:314 Code: 41 83 e4 01 44 89 e6 e8 01 aa ab ff 45 84 e4 0f 85 c4 fe ff ff e8 73 af ab ff 48 c7 c6 00 96 fa 8a 48 89 ef e8 84 86 ed ff 90 <0f> 0b e8 9c 3f 06 00 e9 66 fe ff ff 48 89 ef e8 8f 3f 06 00 eb b6 RSP: 0018:ffffc9000069f8b0 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffc9000069f710 RDX: ffff8880185d0000 RSI: ffffffff81e034ac RDI: ffffffff8b4db900 RBP: ffffea0001422f00 R08: 0000000000000000 R09: fffffbfff1ef22fa R10: ffffffff8f7917d7 R11: 00000000000003ad R12: 0000000000000000 R13: ffffea0001422f00 R14: 00000000000508bc R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff88802c300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000031d2a000 CR3: 000000001e89e000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400