input: syz1 as /devices/virtual/input/input357 batman_adv: Cannot find parent device BUG: Bad page map in process syz-executor.5 pte:77777779ebfb007 pmd:001df067 addr:00000000e9843d1d vm_flags:180400fb anon_vma: (null) mapping:000000006a29a9c0 index:b file:kcov fault: (null) mmap:kcov_mmap readpage: (null) CPU: 1 PID: 13522 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 print_bad_pte.cold+0x1c5/0x222 mm/memory.c:785 batman_adv: Cannot find parent device _vm_normal_page+0x21e/0x510 mm/memory.c:897 zap_pte_range mm/memory.c:1323 [inline] zap_pmd_range mm/memory.c:1463 [inline] zap_pud_range mm/memory.c:1492 [inline] zap_p4d_range mm/memory.c:1513 [inline] unmap_page_range+0x1141/0x2c50 mm/memory.c:1534 unmap_single_vma+0x198/0x300 mm/memory.c:1579 input: syz1 as /devices/virtual/input/input358 unmap_vmas+0xa9/0x180 mm/memory.c:1609 exit_mmap+0x2b9/0x530 mm/mmap.c:3093 __mmput kernel/fork.c:1016 [inline] mmput+0x14e/0x4a0 kernel/fork.c:1037 exit_mm kernel/exit.c:549 [inline] do_exit+0xaec/0x2be0 kernel/exit.c:857 do_group_exit+0x125/0x310 kernel/exit.c:967 __do_sys_exit_group kernel/exit.c:978 [inline] __se_sys_exit_group kernel/exit.c:976 [inline] __x64_sys_exit_group+0x3a/0x50 kernel/exit.c:976 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f0171425199 Code: Bad RIP value. RSP: 002b:00007ffe30d1e008 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 000000000000001e RCX: 00007f0171425199 RDX: 00007f01713d7ddb RSI: ffffffffffffffb8 RDI: 0000000000000000 RBP: 0000000000000000 R08: 00007f01715414e8 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 0000000000000000 R14: 0000000000000001 R15: 00007ffe30d1e0f0 batman_adv: Cannot find parent device input: syz1 as /devices/virtual/input/input359 BUG: Bad rss-counter state mm:000000004a554653 idx:0 val:1 batman_adv: Cannot find parent device input: syz1 as /devices/virtual/input/input361 batman_adv: Cannot find parent device batman_adv: Cannot find parent device input: syz1 as /devices/virtual/input/input362 batman_adv: Cannot find parent device input: syz1 as /devices/virtual/input/input366 input: syz1 as /devices/virtual/input/input368 input: syz1 as /devices/virtual/input/input369 input: syz1 as /devices/virtual/input/input370 batman_adv: Cannot find parent device batman_adv: Cannot find parent device input: syz1 as /devices/virtual/input/input373 input: syz1 as /devices/virtual/input/input374 input: syz1 as /devices/virtual/input/input375 batman_adv: Cannot find parent device input: syz1 as /devices/virtual/input/input377 input: syz1 as /devices/virtual/input/input379 input: syz1 as /devices/virtual/input/input381 input: syz1 as /devices/virtual/input/input382 batman_adv: Cannot find parent device batman_adv: Cannot find parent device input: syz1 as /devices/virtual/input/input385 input: syz1 as /devices/virtual/input/input386 input: syz1 as /devices/virtual/input/input387 batman_adv: Cannot find parent device input: syz1 as /devices/virtual/input/input389 input: syz1 as /devices/virtual/input/input391 batman_adv: Cannot find parent device input: syz1 as /devices/virtual/input/input394 input: syz1 as /devices/virtual/input/input393 batman_adv: Cannot find parent device input: syz1 as /devices/virtual/input/input396 input: syz1 as /devices/virtual/input/input395 batman_adv: Cannot find parent device input: syz1 as /devices/virtual/input/input397 input: syz1 as /devices/virtual/input/input398 batman_adv: Cannot find parent device input: syz1 as /devices/virtual/input/input399 input: syz1 as /devices/virtual/input/input400 batman_adv: Cannot find parent device input: syz1 as /devices/virtual/input/input401 input: syz1 as /devices/virtual/input/input402 batman_adv: Cannot find parent device input: syz1 as /devices/virtual/input/input403 input: syz1 as /devices/virtual/input/input404 batman_adv: Cannot find parent device input: syz1 as /devices/virtual/input/input405 input: syz1 as /devices/virtual/input/input407 batman_adv: Cannot find parent device input: syz1 as /devices/virtual/input/input408 input: syz1 as /devices/virtual/input/input410 batman_adv: Cannot find parent device input: syz1 as /devices/virtual/input/input413 batman_adv: Cannot find parent device input: syz1 as /devices/virtual/input/input415 input: syz1 as /devices/virtual/input/input416 batman_adv: Cannot find parent device input: syz1 as /devices/virtual/input/input418 batman_adv: Cannot find parent device input: syz1 as /devices/virtual/input/input420 batman_adv: Cannot find parent device input: syz1 as /devices/virtual/input/input422 input: syz1 as /devices/virtual/input/input424 batman_adv: Cannot find parent device input: syz1 as /devices/virtual/input/input426 input: syz1 as /devices/virtual/input/input427 input: syz1 as /devices/virtual/input/input430 batman_adv: Cannot find parent device input: syz1 as /devices/virtual/input/input431 batman_adv: Cannot find parent device input: syz1 as /devices/virtual/input/input433 input: syz1 as /devices/virtual/input/input434 batman_adv: Cannot find parent device input: syz1 as /devices/virtual/input/input436 input: syz1 as /devices/virtual/input/input438 input: syz1 as /devices/virtual/input/input439 batman_adv: Cannot find parent device input: syz1 as /devices/virtual/input/input441 batman_adv: Cannot find parent device input: syz1 as /devices/virtual/input/input443 input: syz1 as /devices/virtual/input/input445 input: syz1 as /devices/virtual/input/input446 batman_adv: Cannot find parent device batman_adv: Cannot find parent device input: syz1 as /devices/virtual/input/input449 input: syz1 as /devices/virtual/input/input450 batman_adv: Cannot find parent device input: syz1 as /devices/virtual/input/input452 batman_adv: Cannot find parent device input: syz1 as /devices/virtual/input/input454 input: syz1 as /devices/virtual/input/input455 input: syz1 as /devices/virtual/input/input457 batman_adv: Cannot find parent device batman_adv: Cannot find parent device input: syz1 as /devices/virtual/input/input460 input: syz1 as /devices/virtual/input/input461 batman_adv: Cannot find parent device input: syz1 as /devices/virtual/input/input464 input: syz1 as /devices/virtual/input/input465 batman_adv: Cannot find parent device input: syz1 as /devices/virtual/input/input469 input: syz1 as /devices/virtual/input/input470 batman_adv: Cannot find parent device input: syz1 as /devices/virtual/input/input537 input: syz1 as /devices/virtual/input/input538 batman_adv: Cannot find parent device input: syz1 as /devices/virtual/input/input541 batman_adv: Cannot find parent device input: syz1 as /devices/virtual/input/input542 input: syz1 as /devices/virtual/input/input544 batman_adv: Cannot find parent device input: syz1 as /devices/virtual/input/input546 batman_adv: Cannot find parent device input: syz1 as /devices/virtual/input/input548 input: syz1 as /devices/virtual/input/input549 batman_adv: Cannot find parent device batman_adv: Cannot find parent device input: syz1 as /devices/virtual/input/input552 input: syz1 as /devices/virtual/input/input553 batman_adv: Cannot find parent device input: syz1 as /devices/virtual/input/input555 input: syz1 as /devices/virtual/input/input556 batman_adv: Cannot find parent device input: syz1 as /devices/virtual/input/input559 input: syz1 as /devices/virtual/input/input560 input: syz1 as /devices/virtual/input/input562 batman_adv: Cannot find parent device input: syz1 as /devices/virtual/input/input566 batman_adv: Cannot find parent device input: syz1 as /devices/virtual/input/input569 input: syz1 as /devices/virtual/input/input572 input: syz1 as /devices/virtual/input/input574 batman_adv: Cannot find parent device input: syz1 as /devices/virtual/input/input576 input: syz1 as /devices/virtual/input/input577 batman_adv: Cannot find parent device input: syz1 as /devices/virtual/input/input579 input: syz1 as /devices/virtual/input/input580 batman_adv: Cannot find parent device input: syz1 as /devices/virtual/input/input582 input: syz1 as /devices/virtual/input/input584 batman_adv: Cannot find parent device input: syz1 as /devices/virtual/input/input587 input: syz1 as /devices/virtual/input/input588 batman_adv: Cannot find parent device input: syz1 as /devices/virtual/input/input590 input: syz1 as /devices/virtual/input/input591 input: syz1 as /devices/virtual/input/input593 batman_adv: Cannot find parent device input: syz1 as /devices/virtual/input/input595 input: syz1 as /devices/virtual/input/input598 batman_adv: Cannot find parent device input: syz1 as /devices/virtual/input/input599 input: syz1 as /devices/virtual/input/input601 input: syz1 as /devices/virtual/input/input603 batman_adv: Cannot find parent device input: syz1 as /devices/virtual/input/input605 input: syz1 as /devices/virtual/input/input607 input: syz1 as /devices/virtual/input/input608 input: syz1 as /devices/virtual/input/input610 batman_adv: Cannot find parent device input: syz1 as /devices/virtual/input/input611 input: syz1 as /devices/virtual/input/input613 input: syz1 as /devices/virtual/input/input615