Waiting for PIDS: 424panic: pmap_san_enter_alloc_4k: no memory to grow shadow map cpuid = 1 time = 1724948184 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0xc6/frame 0xfffffe0057025430 kdb_backtrace() at kdb_backtrace+0xd0/frame 0xfffffe0057025590 vpanic() at vpanic+0x280/frame 0xfffffe0057025750 panic() at panic+0xb5/frame 0xfffffe0057025810 pmap_san_enter_alloc_4k() at pmap_san_enter_alloc_4k+0x4b/frame 0xfffffe0057025830 pmap_san_enter() at pmap_san_enter+0x356/frame 0xfffffe0057025870 kasan_shadow_map() at kasan_shadow_map+0x98/frame 0xfffffe0057025890 pmap_growkernel() at pmap_growkernel+0xd7/frame 0xfffffe00570258f0 vm_map_insert1() at vm_map_insert1+0x673/frame 0xfffffe0057025a30 vm_map_find() at vm_map_find+0xaeb/frame 0xfffffe0057025b90 kva_import() at kva_import+0xd4/frame 0xfffffe0057025c70 vmem_try_fetch() at vmem_try_fetch+0x21e/frame 0xfffffe0057025d60 vmem_xalloc() at vmem_xalloc+0x565/frame 0xfffffe0057025e20 kva_import_domain() at kva_import_domain+0x5f/frame 0xfffffe0057025e70 vmem_try_fetch() at vmem_try_fetch+0x21e/frame 0xfffffe0057025f50 vmem_xalloc() at vmem_xalloc+0x565/frame 0xfffffe0057026010 vmem_alloc() at vmem_alloc+0xfe/frame 0xfffffe0057026070 kmem_malloc_domainset() at kmem_malloc_domainset+0x17e/frame 0xfffffe00570261b0 keg_alloc_slab() at keg_alloc_slab+0x1f4/frame 0xfffffe00570262d0 zone_import() at zone_import+0x2ce/frame 0xfffffe00570264b0 zone_alloc_item() at zone_alloc_item+0x16a/frame 0xfffffe0057026590 mdcreate_malloc() at mdcreate_malloc+0x3c3/frame 0xfffffe00570265f0 mdctlioctl() at mdctlioctl+0x12cb/frame 0xfffffe0057026750 devfs_ioctl() at devfs_ioctl+0x26b/frame 0xfffffe0057026840 VOP_IOCTL_APV() at VOP_IOCTL_APV+0xa9/frame 0xfffffe0057026870 vn_ioctl() at vn_ioctl+0x3d5/frame 0xfffffe0057026a80 devfs_ioctl_f() at devfs_ioctl_f+0x71/frame 0xfffffe0057026ad0 kern_ioctl() at kern_ioctl+0x4ca/frame 0xfffffe0057026bb0 sys_ioctl() at sys_ioctl+0x367/frame 0xfffffe0057026d10 amd64_syscall() at amd64_syscall+0x4cb/frame 0xfffffe0057026f30 fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe0057026f30 --- syscall (198, FreeBSD ELF64, __syscall), rip = 0x39a42a, rsp = 0x826515f08, rbp = 0x826515f80 --- KDB: enter: panic [ thread pid 1300 tid 100779 ] Stopped at kdb_enter+0x6e: movq $0,0x23e4d37(%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 0xfffffe0071800000 rdx 0x3ffff rbx 0xffffffff82718ba0 .str.27 rsp 0xfffffe0057025570 rbp 0xfffffe0057025590 rsi 0x40001 rdi 0xffffffff815ce569 printf+0x149 r8 0 r9 0xffffffff r10 0 r11 0 r12 0xfffffe005b301000 r13 0xfffffffffffffffd r14 0xffffffff82718ba0 .str.27 r15 0 rip 0xffffffff815ba2de kdb_enter+0x6e rflags 0x46 kdb_enter+0x6e: movq $0,0x23e4d37(%rip) db> show proc Process 1300 (syz-executor) at 0xfffffe005b30eac0: state: NORMAL uid: 0 gids: 0, 0, 5 parent: pid 1 at 0xfffffe0007a07040 ABI: FreeBSD ELF64 flag: 0x10080480 flag2: 0x40000 arguments: ./syz-executor exec reaper: 0xfffffe0007a07040 reapsubtree: 1 sigparent: 20 vmspace: 0xfffffe005b28c9a0 (map 0xfffffe005b28c9a0) (map.pmap 0xfffffe005b28ca60) (pmap 0xfffffe005b28cad0) threads: 2 100234 s syz-executor 100779 Run CPU 1 syz-executor db> ps pid ppid pgrp uid state wmesg wchan cmd 1565 766 766 0 D (threaded) syz-executor 100120 D pfault 0xffffffff82e07700 syz-executor 100998 D pfault 0xffffffff82e07700 syz-executor 1561 768 768 0 S (threaded) syz-executor 100134 S nanslp 0xffffffff839803c0 syz-executor 100990 S select 0xfffffe005847b140 syz-executor 100991 S connec 0xfffffe006b7aac1a syz-executor 100992 S uwait 0xfffffe005422ba00 syz-executor 100993 S uwait 0xfffffe00586f7d80 syz-executor 1559 767 767 0 RE syz-executor 1557 1 767 0 S uwait 0xfffffe00586f7980 syz-executor 1538 1 767 0 S uwait 0xfffffe005422bb00 syz-executor 1524 1 766 0 SV connec 0xfffffe00598e90da syz-executor 1506 1501 1215 0 S+ kqread 0xfffffe0074fb8d00 pwait 1501 1215 1215 0 S+ wait 0xfffffe0007a24000 sh 1482 1481 1481 0 D tun_con 0xfffffe006df8dca8 ifconfig 1481 765 1481 0 S wait 0xfffffe0007be7040 syz-executor 1371 1 768 0 S uwait 0xfffffe005847e180 syz-executor 1336 1 767 0 S uwait 0xfffffe005847e380 syz-executor 1305 0 0 0 DL mdwait 0xfffffe007506a000 [md2] 1300 1 769 0 T (threaded) syz-executor 100234 s syz-executor 100779 Run CPU 1 syz-executor 1272 1 766 0 SV uwait 0xfffffe005847eb80 syz-executor 1248 1 767 0 SV uwait 0xfffffe0058480f00 syz-execuserialport: VM disconnected.