unmap_single_vma+0x190/0x380 mm/memory.c:1695
 unmap_vmas+0x21e/0x370 mm/memory.c:1734
 exit_mmap+0x189/0x720 mm/mmap.c:3090
 __mmput+0x128/0x4c0 kernel/fork.c:1187
 mmput+0x5c/0x70 kernel/fork.c:1209
 exit_mm kernel/exit.c:515 [inline]
 do_exit+0xb4c/0x2b60 kernel/exit.c:805
 do_group_exit+0xd0/0x2a0 kernel/exit.c:948
 __do_sys_exit_group kernel/exit.c:959 [inline]
 __se_sys_exit_group kernel/exit.c:957 [inline]
 __x64_sys_exit_group+0x3a/0x50 kernel/exit.c:957
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
------------[ cut here ]------------
kernel BUG at mm/filemap.c:153!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 30918 Comm: syz-executor.5 Not tainted 6.0.0-rc3-next-20220901-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022
RIP: 0010:filemap_unaccount_folio+0x627/0x9f0 mm/filemap.c:153
Code: 00 00 00 e8 7b 66 24 00 f0 41 ff 8c 24 f8 00 00 00 e9 32 fd ff ff e8 18 a0 d7 ff 48 c7 c6 c0 ee f6 89 48 89 ef e8 99 15 0e 00 <0f> 0b e8 02 a0 d7 ff 48 89 eb 31 ff 81 e3 ff 0f 00 00 48 89 de e8
RSP: 0018:ffffc9000370f8c8 EFLAGS: 00010093
RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000
RDX: ffff888024270000 RSI: ffffffff81a48617 RDI: ffffffff8ddeec50
RBP: ffffea00010d6580 R08: 0000000000000000 R09: ffffffff8ddeec57
R10: 0000000000000000 R11: 535f7972746e6520 R12: ffff88806b3ff508
R13: ffff88806b3ff508 R14: ffff88806b3ff510 R15: 0000000000000000
FS:  0000555555890400(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2f236000 CR3: 0000000058978000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __filemap_remove_folio mm/filemap.c:222 [inline]
 filemap_remove_folio+0x14b/0x470 mm/filemap.c:255
 truncate_inode_folio+0x48/0x70 mm/truncate.c:196
 shmem_undo_range+0x3f6/0x1500 mm/shmem.c:952
 shmem_truncate_range mm/shmem.c:1044 [inline]
 shmem_evict_inode+0x3c6/0xc20 mm/shmem.c:1142
 evict+0x2ed/0x6b0 fs/inode.c:666
 iput_final fs/inode.c:1749 [inline]
 iput.part.0+0x55d/0x810 fs/inode.c:1775
 iput+0x58/0x70 fs/inode.c:1765
 dentry_unlink_inode+0x2b1/0x460 fs/dcache.c:401
 __dentry_kill+0x3c0/0x640 fs/dcache.c:607
 dentry_kill fs/dcache.c:733 [inline]
 dput+0x806/0xdb0 fs/dcache.c:913
 __fput+0x3cc/0xa90 fs/file_table.c:328
 task_work_run+0x16b/0x270 kernel/task_work.c:179
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:169 [inline]
 exit_to_user_mode_prepare+0x23c/0x250 kernel/entry/common.c:201
 __syscall_exit_to_user_mode_work kernel/entry/common.c:283 [inline]
 syscall_exit_to_user_mode+0x19/0x50 kernel/entry/common.c:294
 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f3409c3c04b
Code: 0f 05 48 3d 00 f0 ff ff 77 45 c3 0f 1f 40 00 48 83 ec 18 89 7c 24 0c e8 63 fc ff ff 8b 7c 24 0c 41 89 c0 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 44 89 c7 89 44 24 0c e8 a1 fc ff ff 8b 44
RSP: 002b:00007ffc723122e0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000005 RCX: 00007f3409c3c04b
RDX: 0000000000000000 RSI: 0000001b2f228bc8 RDI: 0000000000000004
RBP: 00007f3409d9d980 R08: 0000000000000000 R09: 0000000047f158d3
R10: 0000000000000000 R11: 0000000000000293 R12: 00000000001dd178
R13: 00007ffc723123e0 R14: 00007f3409d9c050 R15: 0000000000000032
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:filemap_unaccount_folio+0x627/0x9f0 mm/filemap.c:153
Code: 00 00 00 e8 7b 66 24 00 f0 41 ff 8c 24 f8 00 00 00 e9 32 fd ff ff e8 18 a0 d7 ff 48 c7 c6 c0 ee f6 89 48 89 ef e8 99 15 0e 00 <0f> 0b e8 02 a0 d7 ff 48 89 eb 31 ff 81 e3 ff 0f 00 00 48 89 de e8
RSP: 0018:ffffc9000370f8c8 EFLAGS: 00010093
RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000
RDX: ffff888024270000 RSI: ffffffff81a48617 RDI: ffffffff8ddeec50
RBP: ffffea00010d6580 R08: 0000000000000000 R09: ffffffff8ddeec57
R10: 0000000000000000 R11: 535f7972746e6520 R12: ffff88806b3ff508
R13: ffff88806b3ff508 R14: ffff88806b3ff510 R15: 0000000000000000
FS:  0000555555890400(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2f236000 CR3: 0000000058978000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400