panic: a thread waited too long to allocate a page cpuid = 1 time = 1758160978 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0xc6/frame 0xfffffe0087100230 kdb_backtrace() at kdb_backtrace+0xd0/frame 0xfffffe0087100390 vpanic() at vpanic+0x257/frame 0xfffffe0087100550 panic() at panic+0xb5/frame 0xfffffe0087100620 vm_pageout_oom() at vm_pageout_oom+0xce4/frame 0xfffffe00871006b0 vm_fault_allocate() at vm_fault_allocate+0xe41/frame 0xfffffe0087100830 vm_fault() at vm_fault+0xe20/frame 0xfffffe0087100bc0 vm_fault_trap() at vm_fault_trap+0xbd/frame 0xfffffe0087100c10 trap_pfault() at trap_pfault+0x691/frame 0xfffffe0087100d50 trap() at trap+0xf4b/frame 0xfffffe0087100f30 calltrap() at calltrap+0x8/frame 0xfffffe0087100f30 --- trap 0xc, rip = 0x3a4d9f, rsp = 0x826ef5f08, rbp = 0x826ef5f80 --- KDB: enter: panic [ thread pid 4765 tid 105150 ] Stopped at kdb_enter+0x6e: movq $0,0x259f837(%rip) db> db> set $lines = 0 db> set $maxwidth = 0 db> show registers cs 0x20 ds 0x3b es 0x3b fs 0x13 gs 0x1b ss 0x28 rax 0x12 rcx 0xfffffe0002bf1850 rdx 0 rbx 0xffffffff82805fe0 .str.27 rsp 0xfffffe0087100370 rbp 0xfffffe0087100390 rsi 0 rdi 0xffffffff81642ff9 printf+0x149 r8 0 r9 0xffffffff r10 0x4ae24 r11 0x7fff _binary_elf_vdso_so_1_size+0x79ef r12 0xfffffe00786f0780 r13 0xfffffffffffffffd r14 0xffffffff82805fe0 .str.27 r15 0 rip 0xffffffff8162c3de kdb_enter+0x6e rflags 0x46 kdb_enter+0x6e: movq $0,0x259f837(%rip) db> show proc Process 4765 (syz-executor) at 0xfffffe00786e9018: state: NORMAL uid: 60929 gid: 0 supp gids: 0, 5 parent: pid 2184 at 0xfffffe007940b558 ABI: FreeBSD ELF64 flag: 0x10000100 flag2: 0 arguments: ./syz-executor exec reaper: 0xfffffe0007809010 reapsubtree: 1 sigparent: 20 vmspace: 0xfffffe00786ea920 (map 0xfffffe00786ea920) (map.pmap 0xfffffe00786ea9c0) (pmap 0xfffffe00786eaa30) threads: 1 105150 Run CPU 1 syz-executor db> ps pid ppid pgrp uid state wmesg wchan cmd 6964 2573 763 60929 N syz-executor 6963 5535 763 60929 N syz-executor 6962 4511 763 60929 N syz-executor 6961 5599 763 60929 N syz-executor 6960 5106 763 60929 N syz-executor 6959 5536 763 60929 N syz-executor 6958 4817 763 60929 N syz-executor 6957 2274 763 60929 N syz-executor 6956 5473 763 60929 N syz-executor 6955 3965 763 60929 N syz-executor 6954 4928 763 60929 N syz-executor 6953 5462 763 60929 N syz-executor 6952 4402 763 60929 N syz-executor 6951 5264 763 60929 N syz-executor 6950 5650 763 60929 N syz-executor 6949 5297 763 60929 N syz-executor 6948 5260 763 60929 N syz-executor 6947 2712 763 60929 N syz-executor 6946 5224 763 60929 N syz-executor 6945 5136 763 60929 N syz-executor 6944 5053 763 60929 N syz-executor 6943 3062 763 60929 N syz-executor 6942 2305 763 60929 N syz-executor 6941 2218 763 60929 N syz-executor 6940 3019 763 60929 N syz-executor 6939 2046 763 60929 N syz-executor 6938 6878 763 60929 N syz-executor 6937 1886 763 60929 N syz-executor 6936 6882 763 60929 N syz-executor 6935 6902 763 60929 N syz-executor 6934 6900 763 60929 N syz-executor 6933 6893 763 60929 N syz-executor 6932 6889 763 60929 N syz-executor 6931 6886 763 60929 N syz-executor 6930 6920 763 60929 N syz-executor 6929 6911 763 60929 N syz-executor 6928 6910 763 60929 N syz-executor 6927 6872 763 60929 N syz-executor 6926 6907 763 60929 N syz-executor 6925 6914 763 60929 N syz-executor 6924 6922 763 60929 N syz-executor 6923 1854 763 60929 D pfault 0xffffffff83003480 syz-executor 6922 1854 763 60929 DL vmwait 0xffffffff83003480 syz-executor 6921 6913 763 60929 D pfault 0xffffffff83003480 syz-executor 6920 1854 763 60929 DL vmwait 0xffffffff83003480 syz-executor 6919 6866 763 60929 R syz-executor 6918 6866 763 60929 D pfault 0xffffffff83003480 syz-executor 6917 6909 763 60929 D pfault 0xffffffff83003480 syz-executor 6916 6866 763 60929 D pfault 0xffffffff83003480 syz-executor 6915 6906 763 60929 D pfault 0xffffffff83003480 syz-executor 6914 6866 763 60929 DL vmwait 0xffffffff83003480 syz-executor 6913 6906 763 60929 S uwait 0xfffffe007b0a1880 syz-executor 6912 6905 763 60929 D pfault 0xffffffff83003480 syz-executor 6911 6906 763 60929 DL vmwait 0xffffffff83003480 syz-executor 6910 6909 763 60929 DL vmwait 0xffffffff83003480 syz-executor 6909 6905 763 60929 D pfault 0xffffffff83003480 syz-executor 6908 6904 763 60929 D pfault 0xffffffff83003480 syz-executor 6907 6904 763 60929 DL vmwait 0xffffffff83003480 syz-executor 6906 1854 763 60929 S uwait 0xfffffe007b0a1080 syz-executor 6905 1854 763 60929 R syz-executor 6904 1854 763 60929 D pfault 0xffffffff83003480 syz-executor 6903 6896 763 60929 R syz-executor 6902 6896 763 60929 DL vmwait 0xffffffff83003480 syz-executor 6901 6892 763 60929 R syz-executor 6900 6892 763 60929 DL vmwait 0xffffffff83003480 syz-executor 6899 6892 763 60929 D pfault 0xffffffff83003480 syz-executor 6898 6885 763 60929 D pfault 0xffffffff83003480 syz-executor 6897 6885 763 60929 D pfault 0xffffffff83003480 syz-executor 6896 6885 763 60929 R syz-executor 6895 6880 763 60929 R syz-executor 6894 6880 763 60929 D pfault 0xffffffff83003480 syz-executor 6893 6880 763 60929 DL vmwait 0xffffffff83003480 syz-executor 6892 6880 763 60929 S uwait 0xfffffe007b0ac880 syz-executor 6891 6875 763 60929 R syz-executor 6890 6869 763 60929 R syz-executor 6889 6869 763 60929 DL vmwait 0xffffffff83003480 syz-executor 6888 6869 763 60929 D pfault 0xffffffff83003480 syz-executor 6887 6867 763 60929 D pfault 0xffffffff83003480 syz-executor 6886 6867 763 60929 DL vmwait 0xffffffff83003480 syz-executor 6885 6867 763 60929 S uwait 0xfffffe007b0ac180 syz-executor 6884 6868 1 0 D pfault 0xffffffff83003480 sh 6883 6874 763 60929 R syz-executor 6882 6874 763 60929 DL vmwait 0xffffffff83003480 syz-executor 6881 6874 763 60929 D pfault 0xffffffff83003480 syz-executor 6880 6874 763 60929 S uwait 0xfffffe008cff5080 syz-executor 6879 6865 763 60929 R syz-executor 6878 6865 763 60929 DL vmwait 0xffffffff83003480 syz-executor 6877 6865 763 60929 D pfault 0xffffffff83003480 syz-executor 6876 6865 763 60929 D pfault 0xffffffff83003480 syz-executor 6875 6865 763 60929 D pfault 0xffffffff83003480 syz-executor 6874 6865 763 60929 R syz-executor 6873 6870 763 60929 R syz-executor 6872 6870 763 60929 DL vmwait 0xffffffff83003480 syz-executor 6870 6867 763 60929 R syz-executor 6869 6867 763 60929 R syz-executor 6868 1 1 0 S wait 0xfffffe0079877ab8 sh 6867 1854 763 60929 R syz-executor 6866 6864 763 60929 R syz-executor 6865 6864 763 60929 S uwait 0xfffffe007b0a8200 syz-executor 6864 1854 763 60929 D pfault 0xffffffff83003480 syz-executor 6863 1854 763 60929 D pfault 0xffffffff83003480 syz-executor 6862 6862 0 0 N syz-executor 6861 6861 0 0 N syz-executor 6378 6378 0 60929 N syz-executor 6375 6375 0 60929 N syz-executor 6344 6344 0 60929 N syz-executor 6341 6341 0 60929 N syz-executor 6332 6332 0 60929 N syz-executor 6330 6330 0 60929 N syz-executor 6320 6320 0 60929 N syz-executor 6313 6313 0 60929 N syz-executor 6307 6307 0 60929 N syz-executor 6297 6297 0 60929 N syz-executor 6286 6286 0 60929 N syz-executor 6281 6281 0 60929 N syz-executor 6277 6277 0 60929 N syz-executor 6270 6270 0 60929 N syz-executor 6860 6860 0 60929 N syz-executor 6859 6859 0 60929 N syz-executor 6858 6858 0 60929 N syz-executor 6857 6857 0 60929 N syz-executor 6856 6856 0 60929 N syz-executor 6855 6855 0 60929 N syz-executor 6854 6854 0 60929 N syz-executor 6853 6853 0 60929 N syz-executor 6852 6852 0 60929 N syz-executor 6694 6694 0 60929 N syz-executor 6692 6692 0 60929 N syz-executor 6688 6688 0 60929 N syz-executor 6686 6686 0 60929 N syz-executor 6684 6684 0 60929 N syz-executor 6682 6682 0 60929 N syz-executor 6680 6680 0 60929 N syz-executor 6678 6678 0 60929 N syz-executor 6384 6384 0 60929 N syz-executor 6383 6383 0 60929 N syz-executor 6381 6381 0 60929 N syz-executor 6373 6373 0 60929 N syz-executor 6367 6367 0 60929 N syz-executor 6359 6359 0 60929 N syz-executor 6356 6356 0 60929 N syz-executor 6348 6348 0 60929 N syz-executor 6338 6338 0 60929 N syz-executor 6326 6326 0 60929 N syz-executor 6324 6324 0 60929 N syz-executor 6323 6323 0 60929 N syz-executor 6319 6319 0 60929 N syz-executor 6304 6304 0 60929 N syz-executor 6302 6302 0 60929 N syz-executor 6300 6300 0 60929 N syz-executor 6292 6292 0 60929 N syz-executor 6289 6289 0 60929 N syz-executor 6284 6284 0 60929 N syz-executor 6273 6273 0 60929 N syz-executor 6268 6268 0 60929 N syz-executor 6264 6264 0 60929 N syz-executor 6261 6261 0 60929 N syz-executor 6851 2127 763 60929 N syz-executor 6850 2111 763 60929 N syz-executor 6849 2099 763 60929 N syz-executor 6848 1868 763 60929 N syz-executor 6847 1776 763 60929 N syz-executor 6846 1678 763 60929 N syz-executor 6845 1761 763 60929 N syz-executor 6844 1662 763 60929 N syz-executor 6843 1660 763 60929 N syz-executor 6842 1652 763 60929 N syz-executor 6841 1633 763 60929 N syz-executor 6840 1603 763 60929 N syz-executor 6839 1753 763 60929 N syz-executor 6838 1575 763 60929 N syz-executor 6837 1616 763 60929 N syz-executor 6836 1627 763 60929 N syz-executor 6835 1626 763 60929 N syz-executor 6834 1827 763 60929 N syz-executor 6833 1530 763 60929 N syz-executor 6832 1525 763 60929 N syz-executor 6831 1564 763 60929 N syz-executor 6830 1515 763 60929 N syz-executor 6829 1512 763 60929 N syz-executor 6828 1551 763 60929 N syz-executor 6827 1458 763 60929 N syz-executor 6826 1481 763 60929 N syz-executor 6825 1816 763 60929 N syz-executor 6824 1547 763 60929 N syz-executor 6823 1568 763 60929 N syz-executor 6822 1494 763 60929 N syz-executor 6821 1828 763 60929 N syz-executor 6820 2057 763 60929 N syz-executor 6819 1829 763 60929 N syz-executor 6818 2035 763 60929 N syz-executor 6817 1440 763 60929 N syz-executor 6816 1433 763 60929 N syz-executor 6815 1504 763 60929 N syz-executor 6814 1943 763 60929 N syz-executor 6813 2026 763 60929 N syz-executor 6812 2033 763 60929 N syz-executor 6811 2109 763 60929 N syz-executor 6810 2112 763 60929 N syz-executor 6809 2114 763 60929 N syz-executor 6808 1975 763 60929 N syz-executor 6807 2023 763 60929 N syz-executor 6806 1651 763 60929 N syz-executor 6805 1457 763 60929 N syz-executor 6804 1818 763 60929 N syz-executor 6803 1595 763 60929 N syz-executor 1670 1520 763 60929 N syz-executor 6802 6802 0 60929 N syz-executor 6801 6801 0 60929 N syz-executor 6800 6800 0 60929 N syz-executor 6672 6672 0 60929 N syz-executor 6670 6670 0 60929 N syz-executor 6617 6617 0 60929 N syz-executor 6575 6575 0 60929 N syz-executor 6461 6461 0 60929 N syz-executor 6799 6799 0 60929 N syz-executor 6690 6690 0 60929 N syz-executor 6675 6675 0 60929 N syz-executor 6674 6674 0 60929 N syz-executor 6664 6664 0 60929 N syz-executor 6658 6658 0 60929 N syz-executor 6647 6647 0 60929 N syz-executor 6646 6646 0 60929 N syz-executor 6644 6644 0 60929 N syz-executor 6642 6642 0 60929 N syz-executor 6640 6640 0 60929 N syz-executor 6638 6638 0 60929 N syz-executor 6635 6635 0 60929 N syz-executor 6630 6630 0 60929 N syz-executor 6628 6628 0 60929 N syz-executor 6624 6624 0 60929 N syz-executor 6591 6591 0 60929 N syz-executor 6584 6584 0 60929 N syz-executor 6571 6571 0 60929 N syz-executor 6568 6568 0 60929 N syz-executor 6566 6566 0 60929 N syz-executor 6560 6560 0 60929 N syz-executor 6554 6554 0 60929 N syz-executor 6551 6551 0 60929 N syz-executor 6547 6547 0 60929 N syz-executor 6542 6542 0 60929 N syz-executor 6533 6533 0 60929 N syz-executor 6524 6524 0 60929 N syz-executor 6522 6522 0 60929 N syz-executor 6513 6513 0 60929 N syz-executor 6510 6510 0 60929 N syz-executor 6490 6490 0 60929 N syz-executor 6485 6485 0 60929 N syz-executor 6480 6480 0 60929 N syz-executor 6477 6477 0 60929 N syz-executor 6468 6468 0 60929 N syz-executor 6463 6463 0 60929 N syz-executor 6460 6460 0 60929 N syz-executor 6457 6457 0 60929 N syz-executor 6454 6454 0 60929 N syz-executor 6397 6397 0 60929 N syz-executor 6798 2426 763 60929 N syz-executor 6797 2968 763 60929 N syz-executor 6796 2181 763 60929 N syz-executor 6795 5597 763 60929 N syz-executor 6794 5501 763 60929 N syz-executor 6793 2316 763 60929 N syz-executor 6792 2563 763 60929 N syz-executor 6791 2613 763 60929 N syz-executor 6790 2624 763 60929 N syz-executor 6789 2977 763 60929 N syz-executor 6788 6788 0 60929 N syz-executor 6787 6787 0 60929 N syz-executor 6786 6786 0 60929 N syz-executor 6668 6668 0 60929 N syz-executor 6665 6665 0 60929 N syz-executor 6662 6662 0 60929 N syz-executor 6659 6659 0 60929 N syz-executor 6655 6655 0 60929 N syz-executor 6654 6654 0 60929 N syz-executor 6652 6652 0 60929 N syz-executor 6650 6650 0 60929 N syz-executor 6633 6633 0 60929 N syz-executor 6632 6632 0 60929 N syz-executor 6626 6626 0 60929 N syz-executor 6621 6621 0 60929 N syz-executor 6619 6619 0 60929 N syz-executor 6615 6615 0 60929 N syz-executor 6614 6614 0 60929 N syz-executor 6612 6612 0 60929 N syz-executor 6609 6609 0 60929 N syz-executor 6607 6607 0 60929 N syz-executor 6606 6606 0 60929 N syz-executor 6604 6604 0 60929 N syz-executor 6602 6602 0 60929 N syz-executor 6600 6600 0 60929 N syz-executor 6598 6598 0 60929 N syz-executor 6595 6595 0 60929 N syz-executor 6594 6594 0 60929 N syz-executor 6589 6589 0 60929 N syz-executor 6587 6587 0 60929 N syz-executor 6585 6585 0 60929 N syz-executor 6581 6581 0 60929 N syz-executor 6579 6579 0 60929 N syz-executor 6578 6578 0 60929 N syz-executor 6574 6574 0 60929 N syz-executor 6570 6570 0 60929 N syz-executor 6564 6564 0 60929 N syz-executor 6562 6562 0 60929 N syz-executor 6557 6557 0 60929 N syz-executor 6555 6555 0 60929 N syz-executor 6550 6550 0 60929 N syz-executor 6546 6546 0 60929 N syz-executor 6544 6544 0 60929 N syz-executor 6540 6540 0 60929 N syz-executor 6537 6537 0 60929 N syz-executor 6535 6535 0 60929 N syz-executor 6531 6531 0 60929 N syz-executor 6529 6529 0 60929 N syz-executor 6527 6527 0 60929 N syz-executor 6526 6526 0 60929 N syz-executor 6519 6519 0 60929 N syz-executor 6518 6518 0 60929 N syz-executor 6516 6516 0 60929 N syz-executor 6512 6512 0 60929 N syz-executor 6507 6507 0 60929 N syz-executor 6505 6505 0 60929 N syz-executor 6504 6504 0 60929 N syz-executor 6501 6501 0 60929 N syz-executor 6499 6499 0 60929 N syz-executor 6497 6497 0 60929 N syz-executor 6495 6495 0 60929 N syz-executor 6494 6494 0 60929 N syz-executor 6492 6492 0 60929 N syz-executor 6488 6488 0 60929 N syz-executor 6483 6483 0 60929 N syz-executor 6481 6481 0 60929 N syz-executor 6476 6476 0 60929 N syz-executor 6474 6474 0 60929 N syz-executor 6472 6472 0 60929 N syz-executor 6469 6469 0 60929 N syz-executor 6466 6466 0 60929 N syz-executor 6456 6456 0 60929 N syz-executor 6451 6451 0 60929 N syz-executor 6449 6449 0 60929 N syz-executor 6448 6448 0 60929 N syz-executor 6446 6446 0 60929 N syz-executor 6444 6444 0 60929 N syz-executor 6442 6442 0 60929 N syz-executor 6440 6440 0 60929 N syz-executor 6438 6438 0 60929 N syz-executor 6436 6436 0 60929 N syz-executor 6434 6434 0 60929 N syz-executor 6432 6432 0 60929 N syz-executor 6430 6430 0 60929 N syz-executor 6428 6428 0 60929 N syz-executor 6426 6426 0 60929 N syz-executor 6424 6424 0 60929 N syz-executor 6422 6422 0 60929 N syz-executor 6420 6420 0 60929 N syz-executor 6418 6418 0 60929 N syz-executor 6416 6416 0 60929 N syz-executor 6414 6414 0 60929 N syz-executor 6412 6412 0 60929 N syz-executor 6411 6411 0 60929 N syz-executor 6409 6409 0 60929 N syz-executor 6407 6407 0 60929 N syz-executor 6405 6405 0 60929 N syz-executor 6403 6403 0 60929 N syz-executor 6400 6400 0 60929 N syz-executor 6399 6399 0 60929 N syz-executor 6395 6395 0 60929 N syz-executor 6393 6393 0 60929 N syz-executor 6392 6392 0 60929 N syz-executor 6390 6390 0 60929 N syz-executor 6388 6388 0 60929 N syz-executor 6387 6387 0 60929 N syz-executor 6377 6377 0 60929 N syz-executor 6370 6370 0 60929 N syz-executor 6369 6369 0 60929 N syz-executor 6365 6365 0 60929 N syz-executor 6363 6363 0 60929 N syz-executor 6361 6361 0 60929 N syz-executor 6357 6357 0 60929 N syz-executor 6353 6353 0 60929 N syz-executor 6352 6352 0 60929 N syz-executor 6351 6351 0 60929 N syz-executor 6347 6347 0 60929 N syz-executor 6345 6345 0 60929 N syz-executor 6340 4342 763 60929 N syz-executor 6337 6337 0 60929 N syz-executor 6335 2990 763 60929 N syz-executor 6328 6328 0 60929 N syz-executor 6317 3933 763 60929 N syz-executor 6315 6315 0 60929 N syz-executor 6312 2477 763 60929 N syz-executor 6310 6310 0 60929 N syz-executor 6306 5319 763 60929 N syz-executor 6299 6299 0 60929 N syz-executor 6295 4684 763 60929 N syz-executor 6290 6290 0 60929 N syz-executor 6283 6026 763 60929 N syz-executor 6279 6279 0 60929 N syz-executor 6275 4177 763 60929 N syz-executor 6267 6267 0 60929 N syz-executor 6263 5495 763 60929 N syz-executor 6785 6785 0 60929 N syz-executor 6784 3877 763 60929 N syz-executor 6783 6783 0 60929 N syz-executor 6782 3026 763 60929 N syz-executor 6781 6781 0 60929 N syz-executor 6780 2653 763 60929 N syz-executor 6779 6779 0 60929 N syz-executor 6778 3056 763 60929 N syz-executor 6777 6777 0 60929 N syz-executor 6776 2992 763 60929 N syz-executor 6775 6775 0 60929 N syz-executor 6774 2300 763 60929 N syz-executor 6773 6773 0 60929 N syz-executor 6772 2340 763 60929 N syz-executor 6771 6771 0 60929 N syz-executor 6770 2290 763 60929 N syz-executor 6769 6769 0 60929 N syz-executor 6768 5620 763 60929 N syz-executor 6767 6767 0 60929 N syz-executor 6766 2302 763 60929 N syz-executor 6765 6765 0 60929 N syz-executor 6764 4983 763 60929 N syz-executor 6763 6763 0 60929 N syz-executor 6762 2183 763 60929 N syz-executor 6761 6761 0 60929 N syz-executor 6760 5292 763 60929 N syz-executor 6759 6759 0 60929 N syz-executor 6758 6758 0 0 N syz-executor 6757 6757 0 60929 N syz-executor 6756 1224 763 0 N syz-executor 6755 1223 763 60929 N syz-executor 6754 6754 0 60929 N syz-executor 6753 6753 0 60929 N serialport: VM disconnected.