getname_flags include/linux/audit.h:321 [inline] getname fs/namei.c:219 [inline] __do_sys_unlink fs/namei.c:4446 [inline] __se_sys_unlink fs/namei.c:4444 [inline] __ia32_sys_unlink+0xb2/0x110 fs/namei.c:4444 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline] __do_fast_syscall_32+0x61/0xe0 arch/x86/entry/common.c:178 do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203 entry_SYSENTER_compat_after_hwframe+0x70/0x82 ------------[ cut here ]------------ kernel BUG at include/linux/page-flags.h:314! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 2 PID: 8731 Comm: syz-executor.0 Not tainted 6.6.0-rc3-syzkaller-00165-g3b517966c561 #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 86 0d b1 ff 45 84 e4 0f 85 c9 fe ff ff e8 48 12 b1 ff 48 c7 c6 80 53 9a 8a 48 89 ef e8 d9 25 ef ff <0f> 0b e8 a2 c7 06 00 e9 6c fe ff ff 48 89 ef e8 95 c7 06 00 eb b7 RSP: 0018:ffffc90002a771e8 EFLAGS: 00010246 RAX: 0000000000040000 RBX: 0000000000000001 RCX: ffffc900063e1000 RDX: 0000000000040000 RSI: ffffffff81d6b487 RDI: ffffffff8ae93160 RBP: ffffea00009b3600 R08: 0000000000000000 R09: fffffbfff1d9caa2 R10: ffffffff8ece5517 R11: 00000000000006d2 R12: 0000000000000000 R13: ffffea00009b3540 R14: ffffea00009b3600 R15: 0000000000026cd8 FS: 0000000000000000(0000) GS:ffff88802c800000(0063) knlGS:00000000f7f67b40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00000000f737b028 CR3: 0000000028526000 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 compact_node+0x13e/0x1e0 mm/compaction.c:2812 compact_nodes mm/compaction.c:2825 [inline] sysctl_compaction_handler mm/compaction.c:2871 [inline] sysctl_compaction_handler+0x11b/0x1c0 mm/compaction.c:2858 proc_sys_call_handler+0x4c6/0x6e0 fs/proc/proc_sysctl.c:600 call_write_iter include/linux/fs.h:1956 [inline] do_iter_readv_writev+0x21e/0x3c0 fs/read_write.c:735 do_iter_write+0x17f/0x830 fs/read_write.c:860 vfs_iter_write+0x7a/0xb0 fs/read_write.c:901 iter_file_splice_write+0x698/0xbf0 fs/splice.c:736 do_splice_from fs/splice.c:933 [inline] direct_splice_actor+0x118/0x180 fs/splice.c:1142 splice_direct_to_actor+0x347/0xa30 fs/splice.c:1088 do_splice_direct+0x1af/0x280 fs/splice.c:1194 do_sendfile+0xb88/0x1390 fs/read_write.c:1254 __do_compat_sys_sendfile fs/read_write.c:1337 [inline] __se_compat_sys_sendfile fs/read_write.c:1326 [inline] __ia32_compat_sys_sendfile+0x163/0x220 fs/read_write.c:1326 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline] __do_fast_syscall_32+0x61/0xe0 arch/x86/entry/common.c:178 do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203 entry_SYSENTER_compat_after_hwframe+0x70/0x82 RIP: 0023:0xf7f6c579 Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 RSP: 002b:00000000f7f675ac EFLAGS: 00000292 ORIG_RAX: 00000000000000bb RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000000003 RDX: 00000000200000c0 RSI: 0000000000000007 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 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 86 0d b1 ff 45 84 e4 0f 85 c9 fe ff ff e8 48 12 b1 ff 48 c7 c6 80 53 9a 8a 48 89 ef e8 d9 25 ef ff <0f> 0b e8 a2 c7 06 00 e9 6c fe ff ff 48 89 ef e8 95 c7 06 00 eb b7 RSP: 0018:ffffc90002a771e8 EFLAGS: 00010246 RAX: 0000000000040000 RBX: 0000000000000001 RCX: ffffc900063e1000 RDX: 0000000000040000 RSI: ffffffff81d6b487 RDI: ffffffff8ae93160 RBP: ffffea00009b3600 R08: 0000000000000000 R09: fffffbfff1d9caa2 R10: ffffffff8ece5517 R11: 00000000000006d2 R12: 0000000000000000 R13: ffffea00009b3540 R14: ffffea00009b3600 R15: 0000000000026cd8 FS: 0000000000000000(0000) GS:ffff88802c800000(0063) knlGS:00000000f7f67b40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00000000f737b028 CR3: 0000000028526000 CR4: 0000000000350ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess), 2 bytes skipped: 0: 10 06 adc %al,(%rsi) 2: 03 74 b4 01 add 0x1(%rsp,%rsi,4),%esi 6: 10 07 adc %al,(%rdi) 8: 03 74 b0 01 add 0x1(%rax,%rsi,4),%esi c: 10 08 adc %cl,(%rax) e: 03 74 d8 01 add 0x1(%rax,%rbx,8),%esi 1e: 00 51 52 add %dl,0x52(%rcx) 21: 55 push %rbp 22: 89 e5 mov %esp,%ebp 24: 0f 34 sysenter 26: cd 80 int $0x80 * 28: 5d pop %rbp <-- trapping instruction 29: 5a pop %rdx 2a: 59 pop %rcx 2b: c3 ret 2c: 90 nop 2d: 90 nop 2e: 90 nop 2f: 90 nop 30: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi 37: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi