pagevec_release include/linux/pagevec.h:81 [inline]
 shmem_undo_range+0x6fb/0x1650 mm/shmem.c:931
 shmem_truncate_range mm/shmem.c:1030 [inline]
 shmem_setattr+0x68f/0xc80 mm/shmem.c:1091
 notify_change+0xb28/0x10f0 fs/attr.c:398
 do_truncate+0x13c/0x200 fs/open.c:64
 do_sys_ftruncate+0x773/0x8e0 fs/open.c:196
 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+0x44/0xae
------------[ cut here ]------------
kernel BUG at mm/filemap.c:2041!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 16930 Comm: syz-executor.3 Not tainted 5.14.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:find_lock_entries+0xcd9/0x13d0 mm/filemap.c:2041
Code: f6 ff ff e8 09 a9 da ff 4c 8b 7c 24 30 49 83 ef 01 e9 07 f7 ff ff e8 f6 a8 da ff 48 c7 c6 00 da 94 89 48 89 ef e8 67 6e 0d 00 <0f> 0b e8 e0 a8 da ff 48 c7 c6 00 d0 94 89 48 89 ef e8 51 6e 0d 00
RSP: 0018:ffffc900016df9a8 EFLAGS: 00010246
RAX: 0000000000040000 RBX: dffffc0000000000 RCX: ffffc9001448b000
RDX: 0000000000040000 RSI: ffffffff819b0009 RDI: 0000000000000003
RBP: ffffea0001f00000 R08: 0000000000000029 R09: 00000000ffffffff
R10: ffffffff88ea6974 R11: 00000000ffffffff R12: ffffea0001f00008
R13: 0000000000000200 R14: ffffea0001f00020 R15: 0000000000000240
FS:  00007fb4e9903700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2d03c000 CR3: 0000000016bed000 CR4: 0000000000350ef0
Call Trace:
 shmem_undo_range+0x188/0x1650 mm/shmem.c:910
 shmem_truncate_range mm/shmem.c:1030 [inline]
 shmem_setattr+0x68f/0xc80 mm/shmem.c:1091
 notify_change+0xb28/0x10f0 fs/attr.c:398
 do_truncate+0x13c/0x200 fs/open.c:64
 do_sys_ftruncate+0x773/0x8e0 fs/open.c:196
 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+0x44/0xae
RIP: 0033:0x4665e9
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 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fb4e9903188 EFLAGS: 00000246 ORIG_RAX: 000000000000004d
RAX: ffffffffffffffda RBX: 000000000056c038 RCX: 00000000004665e9
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000007
RBP: 00000000004bfcc4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c038
R13: 00007ffe44f9d74f R14: 00007fb4e9903300 R15: 0000000000022000
Modules linked in:
---[ end trace eff7f4e7c396d463 ]---
RIP: 0010:find_lock_entries+0xcd9/0x13d0 mm/filemap.c:2041
Code: f6 ff ff e8 09 a9 da ff 4c 8b 7c 24 30 49 83 ef 01 e9 07 f7 ff ff e8 f6 a8 da ff 48 c7 c6 00 da 94 89 48 89 ef e8 67 6e 0d 00 <0f> 0b e8 e0 a8 da ff 48 c7 c6 00 d0 94 89 48 89 ef e8 51 6e 0d 00
RSP: 0018:ffffc900016df9a8 EFLAGS: 00010246
RAX: 0000000000040000 RBX: dffffc0000000000 RCX: ffffc9001448b000
RDX: 0000000000040000 RSI: ffffffff819b0009 RDI: 0000000000000003
RBP: ffffea0001f00000 R08: 0000000000000029 R09: 00000000ffffffff
R10: ffffffff88ea6974 R11: 00000000ffffffff R12: ffffea0001f00008
R13: 0000000000000200 R14: ffffea0001f00020 R15: 0000000000000240
FS:  00007fb4e9903700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000561474255018 CR3: 0000000016bed000 CR4: 0000000000350ee0