BUG: Bad page map in process syz-executor.1  pte:ffff8881e6f231c0 pmd:1a5e4f067
addr:00007f7397839000 vm_flags:100400fb anon_vma:0000000000000000 mapping:ffff8881f1124498 index:fc
file:kcov fault:0x0 mmap:kcov_mmap readpage:0x0
CPU: 0 PID: 7856 Comm: syz-executor.1 Not tainted 5.4.265-syzkaller-00001-g1b3143b9b166 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1d8/0x241 lib/dump_stack.c:118
 print_bad_pte+0x511/0x530 mm/memory.c:559
 vm_normal_page+0x135/0x1d0 mm/memory.c:648
 zap_pte_range mm/memory.c:1077 [inline]
 zap_pmd_range mm/memory.c:1221 [inline]
 zap_pud_range mm/memory.c:1250 [inline]
 zap_p4d_range mm/memory.c:1271 [inline]
 unmap_page_range+0xc00/0x2620 mm/memory.c:1292
 unmap_single_vma mm/memory.c:1337 [inline]
 unmap_vmas+0x355/0x4b0 mm/memory.c:1369
 exit_mmap+0x2bc/0x520 mm/mmap.c:3186
 __mmput+0x8e/0x2c0 kernel/fork.c:1101
 exit_mm kernel/exit.c:536 [inline]
 do_exit+0xc08/0x2bc0 kernel/exit.c:846
 __do_sys_exit kernel/exit.c:951 [inline]
 __se_sys_exit kernel/exit.c:949 [inline]
 __x64_sys_exit+0x3c/0x40 kernel/exit.c:949
 do_syscall_64+0xca/0x1c0 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x5c/0xc1
BUG: Bad rss-counter state mm:ffff8881e32a1300 type:MM_FILEPAGES val:1