------------[ cut here ]------------ kernel BUG at kernel/power/snapshot.c:257! Internal error: Oops - BUG: 0 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 13457 Comm: syz-executor.0 Not tainted 5.11.0-rc5-syzkaller-00328-g6642d600b541 #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 : ffff800017ef3c50 x29: ffff800017ef3c50 x28: faff00002900e070 x27: ffff800012d7b000 x26: faff00002900e008 x25: f8ff000023618c00 x24: ffff800012d7b000 x23: 00007fffffffffff x22: faff00002900e018 x21: 0000000000000001 x20: ffff8000132e76d0 x19: f8ff000023618c00 x18: 00000000000001b8 x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000040 x14: ffffffffffffffff x13: 000000000000125e x12: ffff800017ef3720 x11: ffff80001313b450 x10: 00000000ffffe000 x9 : ffff80001313b450 x8 : ffff800017ef3a98 x7 : 0000000000000002 x6 : 00000000000001ff x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000132e76d0 x2 : fdff000023561000 x1 : 0000000000000001 x0 : 0200000023561000 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 e88ea4cc8cfbfe2c ]---