------------[ cut here ]------------
kernel BUG at kernel/power/snapshot.c:257!
Internal error: Oops - BUG: 0 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 28953 Comm: syz-executor.1 Not tainted 5.11.0-rc6-syzkaller-00007-g88bb507a74ea #0
Hardware name: linux,dummy-virt (DT)
pstate: 20400009 (nzCv daif +PAN -UAO -TCO BTYPE=--)
pc : free_image_page kernel/power/snapshot.c:257 [inline]
pc : free_image_page kernel/power/snapshot.c:253 [inline]
pc : free_list_of_pages kernel/power/snapshot.c:274 [inline]
pc : memory_bm_free+0x260/0x320 kernel/power/snapshot.c:726
lr : free_basic_memory_bitmaps+0x40/0x90 kernel/power/snapshot.c:1173
sp : ffff80001dfebc50
x29: ffff80001dfebc50 x28: f3ff000025281070 
x27: ffff800012d7b000 x26: f3ff000025281008 
x25: f0ff00002525cb00 x24: ffff800012d7b000 
x23: 00007fffffffffff x22: f3ff000025281018 
x21: 0000000000000001 x20: ffff8000132e76d0 
x19: f0ff00002525cb00 x18: 000000000003aec8 
x17: 0000000000000000 x16: 0000000000000000 
x15: 0000000000000040 x14: ffffffffffffffff 
x13: 0000000000002419 x12: ffff80001dfeb720 
x11: ffff8000131416a8 x10: ffff8000130a1ce8 
x9 : ffff80001313b450 x8 : ffff80001dfeba98 
x7 : 0000000000000002 x6 : 00000000000001ff 
x5 : 0000000000000000 x4 : 0000000000000000 
x3 : ffff8000132e76d0 x2 : faff00002ba31000 
x1 : 0000000000000001 x0 : 050000002ba31000 
Call trace:
 free_image_page kernel/power/snapshot.c:257 [inline]
 free_list_of_pages kernel/power/snapshot.c:274 [inline]
 memory_bm_free+0x260/0x320 kernel/power/snapshot.c:726
 free_basic_memory_bitmaps+0x40/0x90 kernel/power/snapshot.c:1173
 snapshot_release+0x78/0x90 kernel/power/user.c:120
 __fput+0x78/0x230 fs/file_table.c:280
 ____fput+0x14/0x20 fs/file_table.c:313
 task_work_run+0x88/0x160 kernel/task_work.c:140
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 do_notify_resume+0x20c/0x13e0 arch/arm64/kernel/signal.c:939
 work_pending+0xc/0x3d4
Code: cb000260 d34cfc00 97fcf5fe 35fffc20 (d4210000) 
---[ end trace 125cc9b50c7bb431 ]---