handle_mm_fault+0x47a/0xa00 mm/memory.c:5284 do_user_addr_fault+0x30b/0x1010 arch/x86/mm/fault.c:1364 handle_page_fault arch/x86/mm/fault.c:1505 [inline] exc_page_fault+0x5c/0xd0 arch/x86/mm/fault.c:1561 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570 ------------[ cut here ]------------ kernel BUG at include/linux/page-flags.h:314! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 3 PID: 42 Comm: kcompactd0 Not tainted 6.5.0-syzkaller-13150-g535a265d7f0d #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+0x1b7/0x1f0 include/linux/page-flags.h:314 Code: 06 41 83 e4 01 44 89 e6 e8 46 6c b1 ff 45 84 e4 0f 85 c9 fe ff ff e8 08 71 b1 ff 48 c7 c6 00 28 9a 8a 48 89 ef e8 19 1c ef ff <0f> 0b e8 e2 6d 06 00 e9 6c fe ff ff 48 89 ef e8 d5 6d 06 00 eb b7 RSP: 0018:ffffc90000bc78c8 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 RDX: ffff888017740bc0 RSI: ffffffff81d55c07 RDI: 0000000000000000 RBP: ffffea0000a35b00 R08: 0000000000000000 R09: fffffbfff1d9ad7a R10: ffffffff8ecd6bd7 R11: 6378655f6d736120 R12: 0000000000000000 R13: ffffea0000a35ac0 R14: ffffea0000a35b00 R15: 0000000000028d6c FS: 0000000000000000(0000) GS:ffff88806b900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f39b7d75198 CR3: 00000000290cb000 CR4: 0000000000350ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: folio_test_hugetlb include/linux/page-flags.h:835 [inline] PageHuge+0x215/0x2b0 mm/hugetlb.c:2050 isolate_migratepages_block+0x61b/0x4a40 mm/compaction.c:950 isolate_migratepages mm/compaction.c:2053 [inline] compact_zone+0x18f6/0x4020 mm/compaction.c:2491 proactive_compact_node+0x118/0x1d0 mm/compaction.c:2780 kcompactd+0x710/0xd80 mm/compaction.c:3100 kthread+0x33a/0x430 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:304 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:folio_flags+0x1b7/0x1f0 include/linux/page-flags.h:314 Code: 06 41 83 e4 01 44 89 e6 e8 46 6c b1 ff 45 84 e4 0f 85 c9 fe ff ff e8 08 71 b1 ff 48 c7 c6 00 28 9a 8a 48 89 ef e8 19 1c ef ff <0f> 0b e8 e2 6d 06 00 e9 6c fe ff ff 48 89 ef e8 d5 6d 06 00 eb b7 RSP: 0018:ffffc90000bc78c8 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 RDX: ffff888017740bc0 RSI: ffffffff81d55c07 RDI: 0000000000000000 RBP: ffffea0000a35b00 R08: 0000000000000000 R09: fffffbfff1d9ad7a R10: ffffffff8ecd6bd7 R11: 6378655f6d736120 R12: 0000000000000000 R13: ffffea0000a35ac0 R14: ffffea0000a35b00 R15: 0000000000028d6c FS: 0000000000000000(0000) GS:ffff88806b900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f39b7d75198 CR3: 00000000290cb000 CR4: 0000000000350ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400