shmem_truncate_range mm/shmem.c:1237 [inline] shmem_evict_inode+0x3a1/0xbe0 mm/shmem.c:1365 evict+0x3e6/0x920 fs/inode.c:810 iput_final fs/inode.c:1898 [inline] iput fs/inode.c:1924 [inline] iput+0x521/0x880 fs/inode.c:1910 dentry_unlink_inode+0x29c/0x480 fs/dcache.c:466 __dentry_kill+0x1d0/0x600 fs/dcache.c:669 dput.part.0+0x4b1/0x9b0 fs/dcache.c:911 dput+0x1f/0x30 fs/dcache.c:901 __fput+0x51c/0xb70 fs/file_table.c:473 task_work_run+0x14d/0x240 kernel/task_work.c:227 exit_task_work include/linux/task_work.h:40 [inline] do_exit+0x86c/0x2bd0 kernel/exit.c:964 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 ------------[ cut here ]------------ kernel BUG at mm/filemap.c:154! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 17612 Comm: syz.2.3307 Not tainted 6.16.0-rc6-syzkaller-00002-g155a3c003e55 #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:filemap_unaccount_folio+0xef/0x8c0 mm/filemap.c:154 Code: f7 76 c8 ff 89 ee 31 ff 4c 8d 6b 30 e8 2a 72 c8 ff 85 ed 7e 17 e8 e1 76 c8 ff 48 c7 c6 60 20 b9 8b 48 89 df e8 62 ba 11 00 90 <0f> 0b e8 ca 76 c8 ff 4c 89 ea 48 b8 00 00 00 00 00 fc ff df 48 c1 RSP: 0000:ffffc9000419f3d0 EFLAGS: 00010046 RAX: 0000000000080000 RBX: ffffea0001268000 RCX: ffffc900122df000 RDX: 0000000000080000 RSI: ffffffff81f37bae RDI: ffff88807aaaa884 RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: ffff888022281b70 R13: ffffea0001268030 R14: 0000000000000510 R15: ffffea0001268000 FS: 00007f39de6136c0(0000) GS:ffff888124713000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000000140 CR3: 000000004ae7f000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 000000000000000e DR6: 00000000ffff0ff0 DR7: 0000000000000400 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:334 [inline] remove_inode_single_folio fs/hugetlbfs/inode.c:539 [inline] remove_inode_hugepages+0x74a/0xed0 fs/hugetlbfs/inode.c:596 hugetlbfs_punch_hole fs/hugetlbfs/inode.c:719 [inline] hugetlbfs_fallocate+0xf3f/0x12e0 fs/hugetlbfs/inode.c:745 vfs_fallocate+0x608/0x10c0 fs/open.c:341 madvise_remove mm/madvise.c:1043 [inline] madvise_vma_behavior+0x21ca/0x2420 mm/madvise.c:1274 madvise_walk_vmas+0x1d1/0x2c0 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: 0033:0x7f39dd78e929 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:00007f39de613038 EFLAGS: 00000246 ORIG_RAX: 000000000000001c RAX: ffffffffffffffda RBX: 00007f39dd9b6320 RCX: 00007f39dd78e929 RDX: 0000000000000009 RSI: 0000000000600002 RDI: 0000200000000000 RBP: 00007f39dd810b39 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007f39dd9b6320 R15: 00007ffe0b9b59d8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:filemap_unaccount_folio+0xef/0x8c0 mm/filemap.c:154 Code: f7 76 c8 ff 89 ee 31 ff 4c 8d 6b 30 e8 2a 72 c8 ff 85 ed 7e 17 e8 e1 76 c8 ff 48 c7 c6 60 20 b9 8b 48 89 df e8 62 ba 11 00 90 <0f> 0b e8 ca 76 c8 ff 4c 89 ea 48 b8 00 00 00 00 00 fc ff df 48 c1 RSP: 0000:ffffc9000419f3d0 EFLAGS: 00010046 RAX: 0000000000080000 RBX: ffffea0001268000 RCX: ffffc900122df000 RDX: 0000000000080000 RSI: ffffffff81f37bae RDI: ffff88807aaaa884 RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: ffff888022281b70 R13: ffffea0001268030 R14: 0000000000000510 R15: ffffea0001268000 FS: 00007f39de6136c0(0000) GS:ffff888124713000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000000140 CR3: 000000004ae7f000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 000000000000000e DR6: 00000000ffff0ff0 DR7: 0000000000000400