syzbot

 tlb_finish_mmu+0xd4/0x200 mm/mmu_gather.c:465
 exit_mmap+0x4bb/0xd60 mm/mmap.c:3280
 __mmput+0x115/0x3c0 kernel/fork.c:1346
 exit_mm+0x220/0x310 kernel/exit.c:569
 do_exit+0x99e/0x27e0 kernel/exit.c:865
 do_group_exit+0x207/0x2c0 kernel/exit.c:1027
 __do_sys_exit_group kernel/exit.c:1038 [inline]
 __se_sys_exit_group kernel/exit.c:1036 [inline]
 __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1036
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
------------[ cut here ]------------
kernel BUG at mm/filemap.c:162!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI
CPU: 1 PID: 5088 Comm: syz-executor280 Not tainted 6.9.0-rc5-syzkaller-00053-ge33c4963bf53 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:filemap_unaccount_folio+0x6d0/0xc30 mm/filemap.c:162
Code: 25 ff 0f 00 00 0f 84 f0 00 00 00 e8 ea fc ca ff e9 ac f9 ff ff e8 e0 fc ca ff 4c 89 ef 48 c7 c6 a0 85 d3 8b e8 a1 39 14 00 90 <0f> 0b e8 c9 fc ca ff 4c 89 ef 48 c7 c6 40 86 d3 8b e8 8a 39 14 00
RSP: 0018:ffffc9000359f658 EFLAGS: 00010046
RAX: 042085f56a9baf00 RBX: 0000000000000000 RCX: ffffc9000359f203
RDX: 0000000000000002 RSI: ffffffff8bcaca20 RDI: ffffffff8c1f96e0
RBP: 0000000000000000 R08: ffffffff8fa8fd2f R09: 1ffffffff1f51fa5
R10: dffffc0000000000 R11: fffffbfff1f51fa6 R12: 0000000000000001
R13: ffffea000043fc80 R14: 1ffffd4000087f90 R15: ffffea000043fc88
FS:  0000555579122380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000100 CR3: 000000002201e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __filemap_remove_folio+0xc4/0x9e0 mm/filemap.c:231
 filemap_remove_folio+0x109/0x2e0 mm/filemap.c:264
 truncate_inode_folio+0x5d/0x70 mm/truncate.c:195
 shmem_undo_range+0x45d/0x1df0 mm/shmem.c:1001
 shmem_truncate_range mm/shmem.c:1114 [inline]
 shmem_evict_inode+0x29b/0xa60 mm/shmem.c:1242
 evict+0x2a8/0x630 fs/inode.c:667
 __dentry_kill+0x20d/0x630 fs/dcache.c:603
 dput+0x19f/0x2b0 fs/dcache.c:845
 __fput+0x678/0x8a0 fs/file_table.c:430
 __do_sys_close fs/open.c:1556 [inline]
 __se_sys_close fs/open.c:1541 [inline]
 __x64_sys_close+0x7f/0x110 fs/open.c:1541
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f61a522aad0
Code: ff f7 d8 64 89 02 48 c7 c0 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 80 3d b1 85 07 00 00 74 17 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 48 c3 0f 1f 80 00 00 00 00 48 83 ec 18 89 7c
RSP: 002b:00007ffc9f8385a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f61a522aad0
RDX: 0000000000000000 RSI: 0000000000000029 RDI: 0000000000000004
RBP: 00007ffc9f8385c0 R08: 0000000000000040 R09: 0000000000000000
R10: 0000000020000100 R11: 0000000000000202 R12: 00007f61a529e5f0
R13: 00007ffc9f8387a8 R14: 0000000000000001 R15: 0000000000000001
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:filemap_unaccount_folio+0x6d0/0xc30 mm/filemap.c:162
Code: 25 ff 0f 00 00 0f 84 f0 00 00 00 e8 ea fc ca ff e9 ac f9 ff ff e8 e0 fc ca ff 4c 89 ef 48 c7 c6 a0 85 d3 8b e8 a1 39 14 00 90 <0f> 0b e8 c9 fc ca ff 4c 89 ef 48 c7 c6 40 86 d3 8b e8 8a 39 14 00
RSP: 0018:ffffc9000359f658 EFLAGS: 00010046
RAX: 042085f56a9baf00 RBX: 0000000000000000 RCX: ffffc9000359f203
RDX: 0000000000000002 RSI: ffffffff8bcaca20 RDI: ffffffff8c1f96e0
RBP: 0000000000000000 R08: ffffffff8fa8fd2f R09: 1ffffffff1f51fa5
R10: dffffc0000000000 R11: fffffbfff1f51fa6 R12: 0000000000000001
R13: ffffea000043fc80 R14: 1ffffd4000087f90 R15: ffffea000043fc88
FS:  0000555579122380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000100 CR3: 000000002201e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400