unmap_vmas+0x218/0x470 mm/memory.c:2003 exit_mmap+0x1b9/0xb90 mm/mmap.c:1284 __mmput+0x12a/0x410 kernel/fork.c:1125 mmput+0x62/0x70 kernel/fork.c:1148 exit_mm kernel/exit.c:581 [inline] do_exit+0x7c4/0x2bd0 kernel/exit.c:952 do_group_exit+0xd3/0x2a0 kernel/exit.c:1105 get_signal+0x2673/0x26d0 kernel/signal.c:3034 arch_do_signal_or_restart+0x8f/0x7d0 arch/x86/kernel/signal.c:337 exit_to_user_mode_loop+0x84/0x110 kernel/entry/common.c:40 ------------[ cut here ]------------ kernel BUG at mm/filemap.c:154! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 1 UID: 0 PID: 14182 Comm: syz.3.1844 Not tainted 6.16.0-syzkaller-04405-g4b290aae788e #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 RIP: 0010:filemap_unaccount_folio+0xef/0x8c0 mm/filemap.c:154 Code: 87 fa c9 ff 89 ee 31 ff 4c 8d 6b 30 e8 ba f5 c9 ff 85 ed 7e 17 e8 71 fa c9 ff 48 c7 c6 40 09 b9 8b 48 89 df e8 d2 b8 11 00 90 <0f> 0b e8 5a fa c9 ff 4c 89 ea 48 b8 00 00 00 00 00 fc ff df 48 c1 RSP: 0018:ffffc9000faaf3d0 EFLAGS: 00010046 RAX: 0000000000080000 RBX: ffffea0001060000 RCX: ffffc900115cf000 RDX: 0000000000080000 RSI: ffffffff81f1ae8e RDI: ffff888035152884 RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: ffff8880570e2590 R13: ffffea0001060030 R14: 0000000000000870 R15: ffffea0001060000 FS: 00007fadb9fd06c0(0000) GS:ffff888124822000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c3416a7 CR3: 0000000026fd0000 CR4: 00000000003526f0 Call Trace: __filemap_remove_folio mm/filemap.c:223 [inline] filemap_remove_folio+0xf1/0x250 mm/filemap.c:253 hugetlb_delete_from_page_cache fs/hugetlbfs/inode.c:335 [inline] remove_inode_single_folio fs/hugetlbfs/inode.c:540 [inline] remove_inode_hugepages+0x74a/0xed0 fs/hugetlbfs/inode.c:597 hugetlbfs_punch_hole fs/hugetlbfs/inode.c:720 [inline] hugetlbfs_fallocate+0xf3f/0x12e0 fs/hugetlbfs/inode.c:746 vfs_fallocate+0x595/0x10c0 fs/open.c:342 madvise_remove mm/madvise.c:1043 [inline] madvise_vma_behavior+0x21ca/0x2420 mm/madvise.c:1274 madvise_walk_vmas+0x1ce/0x2c0 mm/madvise.c:1541 madvise_do_behavior+0x15d/0x3f0 mm/madvise.c:1733 do_madvise+0x161/0x230 mm/madvise.c:1826 __do_sys_madvise mm/madvise.c:1835 [inline] __se_sys_madvise mm/madvise.c:1833 [inline] __x64_sys_madvise+0xa9/0x110 mm/madvise.c:1833 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fadb918e9a9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fadb9fd0038 EFLAGS: 00000246 ORIG_RAX: 000000000000001c RAX: ffffffffffffffda RBX: 00007fadb93b6320 RCX: 00007fadb918e9a9 RDX: 0000000000000009 RSI: 0000000000600002 RDI: 0000200000000000 RBP: 00007fadb9210d69 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fadb93b6320 R15: 00007ffe19ad9ad8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:filemap_unaccount_folio+0xef/0x8c0 mm/filemap.c:154 Code: 87 fa c9 ff 89 ee 31 ff 4c 8d 6b 30 e8 ba f5 c9 ff 85 ed 7e 17 e8 71 fa c9 ff 48 c7 c6 40 09 b9 8b 48 89 df e8 d2 b8 11 00 90 <0f> 0b e8 5a fa c9 ff 4c 89 ea 48 b8 00 00 00 00 00 fc ff df 48 c1 RSP: 0018:ffffc9000faaf3d0 EFLAGS: 00010046 RAX: 0000000000080000 RBX: ffffea0001060000 RCX: ffffc900115cf000 RDX: 0000000000080000 RSI: ffffffff81f1ae8e RDI: ffff888035152884 RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: ffff8880570e2590 R13: ffffea0001060030 R14: 0000000000000870 R15: ffffea0001060000 FS: 00007fadb9fd06c0(0000) GS:ffff888124822000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c3416a7 CR3: 0000000026fd0000 CR4: 00000000003526f0