panic: kernel diagnostic assertion "map->limit == rtmap_limit" failed: file "/syzkaller/managers/multicore/kernel/sys/net/rtable.c", line 132 Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND * 38927 52451 0 0 0x4000000 0K syz-executor 421938 27059 0 0x2 0 1 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833a7542) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833e8ce5,ffffffff833e06a3,84,ffffffff8343b8af) at __assert+0x29 sys/kern/subr_prf.c:-1 rtmap_grow(2,21) at rtmap_grow+0x24f rtable_add(1) at rtable_add+0x2d9 rtable_alloc sys/net/rtable.c:370 [inline] rtable_add(1) at rtable_add+0x2d9 sys/net/rtable.c:223 if_createrdomain(1,ffff80000148b000) at if_createrdomain+0x40 sys/net/if.c:1975 ifioctl(ffff8000014a65f8,8020699f,ffff80003c4dce30,ffff80003b402d30) at ifioctl+0x1c52 sys/net/if.c:2324 sys_ioctl(ffff80003b402d30,ffff80003c4dd010,ffff80003c4dcf60) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1 syscall(ffff80003c4dd010) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c4dd010) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x37c3b05340, count: 5 https://www.openbsd.org/ddb.html describes the minimum info required in bug reports. Insufficient info makes it difficult to find and fix bugs. ddb{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic *cpu0: kernel diagnostic assertion "map->limit == rtmap_limit" failed: file "/syzkaller/managers/multicore/kernel/sys/net/rtable.c", line 132 ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833a7542) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833e8ce5,ffffffff833e06a3,84,ffffffff8343b8af) at __assert+0x29 sys/kern/subr_prf.c:-1 rtmap_grow(2,21) at rtmap_grow+0x24f rtable_add(1) at rtable_add+0x2d9 rtable_alloc sys/net/rtable.c:370 [inline] rtable_add(1) at rtable_add+0x2d9 sys/net/rtable.c:223 if_createrdomain(1,ffff80000148b000) at if_createrdomain+0x40 sys/net/if.c:1975 ifioctl(ffff8000014a65f8,8020699f,ffff80003c4dce30,ffff80003b402d30) at ifioctl+0x1c52 sys/net/if.c:2324 sys_ioctl(ffff80003b402d30,ffff80003c4dd010,ffff80003c4dcf60) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1 syscall(ffff80003c4dd010) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c4dd010) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x37c3b05340, count: -10 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80003c4dcb40 rbx 0xffffffff83862e07 cpu_info_full_primary+0x2e07 rdx 0 rcx 0xffff80003b402d30 rax 0xffffffff83861ff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xbf1ad2117cc69689 r11 0x182ea7764de14c8c r12 0xffffffff83862c08 cpu_info_full_primary+0x2c08 r13 0 r14 0 r15 0x1 rip 0xffffffff8261ba95 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c4dcb30 ss 0 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=38927 pid=52451 tcnt=3 stat=onproc flags process=0 proc=4000000 runpri=86, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003b402800,0xffff80003b4022e0 process=0xffff80002a3cce88 user=0xffff80003c4d8000, vmspace=0xfffffd806aa5d5d8 estcpu=36, cpticks=2, pctcpu=0.0, user=0, sys=2, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 80100 118886 33228 0 3 0 kmmaplk syz-executor 80100 394263 33228 0 3 0x4000080 fsleep syz-executor 67888 392408 51903 0 3 0 kmmaplk syz-executor 67888 478499 51903 0 3 0x4000080 fsleep syz-executor 52451 134424 54324 0 2 0 syz-executor 52451 411744 54324 0 2 0x4000000 syz-executor *52451 38927 54324 0 7 0x4000000 syz-executor 81059 353453 59453 0 3 0x80 nanoslp syz-executor 81059 445507 59453 0 3 0x4000080 fsleep syz-executor 81059 347652 59453 0 3 0x4000080 fsleep syz-executor 81059 92142 59453 0 3 0x4000080 pipewr syz-executor 8500 415708 0 0 3 0x14200 acct acct 52374 434744 0 0 3 0x14280 nfsidl nfsio 97441 146616 0 0 3 0x14280 nfsidl nfsio 39826 390245 0 0 3 0x14280 nfsidl nfsio 73773 157034 0 0 3 0x14280 nfsidl nfsio 58985 129472 0 0 3 0x14280 nfsidl nfsio 6219 116904 0 0 3 0x14280 nfsidl nfsio 59588 311918 0 0 3 0x14280 nfsidl nfsio 50932 14258 0 0 3 0x14280 nfsidl nfsio 34993 90864 0 0 3 0x14280 nfsidl nfsio 73955 166058 0 0 3 0x14280 nfsidl nfsio 20150 27574 0 0 3 0x14280 nfsidl nfsio 25119 180972 0 0 3 0x14280 nfsidl nfsio 93212 188097 0 0 3 0x14280 nfsidl nfsio 93074 261347 0 0 3 0x14280 nfsidl nfsio 30625 2271 0 0 3 0x14280 nfsidl nfsio 92456 419719 0 0 3 0x14280 nfsidl nfsio 39703 512904 0 0 3 0x14280 nfsidl nfsio 24096 125523 0 0 3 0x14280 nfsidl nfsio 5434 187754 0 0 3 0x14280 nfsidl nfsio 36140 492919 0 0 3 0x14280 nfsidl nfsio 65220 420724 54734 0 3 0x100082 sbwait arp 54734 410808 8759 0 3 0x10008a sigsusp sh 8759 230595 39678 0 3 0x82 wait syz-executor 22636 491700 39678 0 2 0xc82 syz-executor 96609 297272 39678 0 2 0xc82 syz-executor 33228 124292 39678 0 3 0x82 nanoslp syz-executor 27059 421938 39678 0 7 0x2 syz-executor 54324 434845 39678 0 2 0xc82 syz-executor 59453 370572 39678 0 2 0xc82 syz-executor 51903 500591 39678 0 2 0xc82 syz-executor 39678 188660 913 0 3 0x82 kqread syz-executor 913 295963 31859 0 3 0x10008a sigsusp ksh 31859 486103 73607 0 3 0x98 kqread sshd-session 73607 326311 67813 0 3 0x92 kqread sshd-session 87649 12714 1 0 3 0x100083 ttyopn getty 67813 19470 1 0 3 0x88 kqread sshd 38937 511911 19636 74 3 0x1100092 bpf pflogd 19636 282889 1 0 3 0x80 sbwait pflogd 43846 413911 14989 73 3 0x1100090 kqread syslogd 14989 235717 1 0 3 0x100082 sbwait syslogd 77217 470234 1 0 3 0x100080 kqread resolvd 78251 327185 9787 77 3 0x100092 kqread dhcpleased 55998 308876 9787 77 3 0x100092 kqread dhcpleased 9787 314138 1 0 3 0x80 kqread dhcpleased 62503 373832 0 0 3 0x14200 bored smr 62067 271400 0 0 3 0x14200 pgzero zerothread 66281 95510 0 0 3 0x14200 aiodoned aiodoned 89034 476274 0 0 3 0x14200 syncer update 13484 515478 0 0 3 0x14200 cleaner cleaner 88620 10803 0 0 3 0x14200 reaper reaper 7978 292034 0 0 3 0x14200 pgdaemon pagedaemon 76618 245102 0 0 3 0x14200 bored viomb 67850 183012 0 0 3 0x40014200 acpi0 acpi0 90320 123694 0 0 3 0x40014200 idle1 13660 92662 0 0 3 0x14200 bored softnet1 93190 160370 0 0 3 0x14200 bored softnet0 6784 203133 0 0 3 0x14200 bored systqmp 89752 459396 0 0 3 0x14200 bored systq 19447 303418 0 0 3 0x14200 tmoslp softclockmp 98425 265313 0 0 3 0x40014200 tmoslp softclock 47418 251710 0 0 3 0x40014200 idle0 1 128491 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{0}> show all locks Process 52451 (syz-executor) thread 0xffff80003b402d30 (38927) exclusive kernel_lock &kernel_lock r = 1 (0xffffffff838b4448) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 #2 malloc+0xe3 sys/kern/kern_malloc.c:175 #3 rtmap_grow+0xb2 sys/net/rtable.c:127 #4 rtable_add+0x2d9 rtable_alloc sys/net/rtable.c:370 [inline] #4 rtable_add+0x2d9 sys/net/rtable.c:223 #5 if_createrdomain+0x40 sys/net/if.c:1975 #6 ifioctl+0x1c52 sys/net/if.c:2324 #7 sys_ioctl+0x674 sys/kern/sys_generic.c:-1 #8 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 #9 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10203 11026K 11505K 166960K 11807 0 pcb 18 12K 12K 166960K 75 0 rtable 230 7K 7K 166960K 346 0 pf 38 18K 82K 166960K 79 0 ifaddr 42 7K 7K 166960K 55 0 ifgroup 57 2K 2K 166960K 78 0 sysctl 3 1K 9K 166960K 9 0 counters 72 37K 37K 166960K 98 0 ioctlops 0 0K 4K 166960K 1536 0 iov 0 0K 12K 166960K 16 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1348 85K 85K 166960K 1636 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 10 0 VM map 2 1K 1K 166960K 2 0 sem 10 136K 136K 166960K 14 0 dirhash 12 2K 2K 166960K 15 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 18 65K 244K 166960K 459 0 sigio 0 0K 0K 166960K 4 0 proc 72 115K 163K 166960K 560 0 subproc 72 4K 4K 166960K 72 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 59 0 in_multi 89 6K 6K 166960K 105 0 ether_multi 1 0K 0K 166960K 3 0 mrt 2 0K 0K 166960K 2 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 79 360K 360K 166960K 79 0 exec 0 0K 1K 166960K 460 0 fusefs mount 1 32K 32K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 254 166K 170K 166960K 6103 0 UVM aobj 20 2K 4K 166960K 24 0 pinsyscall 44 88K 104K 166960K 1571 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 59 0 NDP 13 0K 1K 166960K 36 0 temp 52 8670K 8741K 166960K 28903 0 kqueue 14 22K 28K 166960K 91 0 SYN cache 2 16K 16K 166960K 2 0 ddb{0}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 26 0 0 1 0 1 1 0 8 0 rtpcb 120 50 0 46 1 0 1 1 0 8 0 rtentry 176 103 0 1 5 0 5 5 0 8 0 unpcb 144 245 0 228 3 1 2 2 0 8 1 syncache 336 5 0 5 2 1 1 1 0 8 1 tcpqe 32 2 0 2 1 0 1 1 0 8 1 tcpcb 736 84 0 78 1 0 1 1 0 8 0 arp 136 17 0 0 1 0 1 1 0 8 0 inpcb 328 340 0 329 2 0 2 2 0 8 0 nd6 152 21 0 0 1 0 1 1 0 8 0 pkpcb 40 2 0 2 1 0 1 1 0 8 1 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1192 13 0 12 1 0 1 1 0 8 0 pfstscr 40 2 0 2 1 0 1 1 0 8 1 pffrag 232 2 0 0 1 0 1 1 0 482 0 pffrnode 88 2 0 0 1 0 1 1 0 8 0 pffrent 40 7 0 5 1 0 1 1 0 8 0 pfosfp 40 1428 0 1005 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfanchor 1288 1 0 0 1 0 1 1 0 8 0 pftag 88 2 0 0 1 0 1 1 0 8 0 pfstitem 24 47 0 1 1 0 1 1 0 8 0 pfstkey 128 51 0 5 2 0 2 2 0 8 0 pfstate 448 49 0 3 6 0 6 6 0 8 0 pfrule 1344 24 0 17 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 411 0 0 26 0 26 26 0 8 0 art_table 40 412 0 0 5 0 5 5 0 8 0 art_node 32 103 0 10 1 0 1 1 0 8 0 sysvmsgpl 40 5 0 5 1 0 1 1 0 8 1 semupl 112 1 0 1 1 0 1 1 0 8 1 semapl 112 10 0 2 1 0 1 1 0 8 0 shmpl 112 20 0 3 1 0 1 1 0 8 0 dirhash 1024 19 0 2 3 0 3 3 0 8 0 dino2pl 256 2155 0 649 95 0 95 95 0 8 0 ffsino 296 2155 0 649 117 0 117 117 0 8 0 nchpl 144 2824 0 1125 64 0 64 64 0 8 0 rtmask 32 2 0 2 1 1 0 1 0 8 0 vnodes 216 2393 0 0 133 0 133 133 0 8 0 namei 1024 9039 0 9039 2 1 1 1 0 8 1 percpumem 16 64 0 13 1 0 1 1 0 8 0 vmpool 840 1 0 1 1 0 1 1 0 8 1 kstatmem 264 46 0 18 2 0 2 2 0 8 0 scsiplug 72 1 0 1 1 0 1 1 0 8 1 scxspl 216 9112 0 9112 3 2 1 2 1 8 1 plimitpl 152 200 0 183 1 0 1 1 0 8 0 sigapl 424 778 0 709 9 1 8 8 0 8 0 knotepl 120 311 0 0 10 0 10 10 0 8 0 kqueuepl 224 168 0 157 4 2 2 3 0 8 1 pipepl 344 205 0 148 9 0 9 9 0 8 2 fdescpl 528 740 0 708 3 0 3 3 0 8 0 filepl 160 3802 0 3521 16 1 15 15 0 8 1 lockfpl 104 149 0 146 1 0 1 1 0 8 0 lockfspl 48 51 0 48 1 0 1 1 0 8 0 sessionpl 144 24 0 15 1 0 1 1 0 8 0 pgrppl 48 35 0 18 1 0 1 1 0 8 0 ucredpl 104 405 0 392 1 0 1 1 0 8 0 zombiepl 144 901 0 899 2 1 1 1 0 8 0 processpl 1232 778 0 709 6 0 6 6 0 8 0 procpl 664 1363 0 1287 8 0 8 8 0 8 0 sockpl 752 646 0 614 7 1 6 6 0 8 2 mcl64k 65536 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 137 0 0 18 0 18 18 0 8 0 mcl2k 2048 34 0 0 5 0 5 5 0 8 0 mtagpl 96 18 0 0 1 0 1 1 0 8 0 mbufpl 256 1188 0 0 75 0 75 75 0 8 0 bufpl 280 3307 0 132 227 0 227 227 0 8 0 anonpl 32 7589 0 0 62 0 62 62 0 246 0 amapchunkpl 152 19585 0 18961 45 6 39 39 0 158 14 amappl16 200 2309 0 2281 6 3 3 5 0 8 0 amappl15 192 4 0 4 1 1 0 1 0 8 0 amappl14 184 5 0 5 1 1 0 1 0 8 0 amappl13 176 420 0 418 1 0 1 1 0 8 0 amappl12 168 1109 0 1065 3 0 3 3 0 8 0 amappl11 160 31 0 31 1 1 0 1 0 8 0 amappl10 152 50 0 35 1 0 1 1 0 8 0 amappl9 144 245 0 245 1 1 0 1 0 8 0 amappl8 136 31 0 29 1 0 1 1 0 8 0 amappl7 128 174 0 173 1 0 1 1 0 8 0 amappl6 120 277 0 261 1 0 1 1 0 8 0 amappl5 112 77 0 67 1 0 1 1 0 8 0 amappl4 104 432 0 397 1 0 1 1 0 8 0 amappl3 96 3182 0 3087 4 1 3 3 0 8 0 amappl2 88 873 0 794 2 0 2 2 0 8 0 amappl1 80 10886 0 10264 15 0 15 15 0 8 0 amappl 88 5311 0 5142 5 0 5 5 0 92 0 uvmvnodes 80 109 0 0 3 0 3 3 0 8 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma1024 1024 1 0 0 1 0 1 1 0 8 0 dma256 256 6 0 6 1 1 0 1 0 8 0 dma128 128 254 0 254 2 1 1 1 0 8 1 dma64 64 6 0 6 1 1 0 1 0 8 0 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 18 0 17 1 0 1 1 0 8 0 aobjpl 72 23 0 4 1 0 1 1 0 8 0 uaddrrnd 24 741 0 709 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 741 0 709 1 0 1 1 0 8 0 vmmpekpl 168 8158 0 8111 3 0 3 3 0 8 0 vmmpepl 168 54596 0 52624 97 3 94 94 0 357 6 vmsppl 488 740 0 709 5 0 5 5 0 8 0 rwobjpl 80 17843 0 16733 26 1 25 25 0 8 0 pdppl 4096 1491 0 1420 105 32 73 85 0 8 2 pvpl 32 14772 0 0 120 0 120 120 0 265 0 pmappl 256 741 0 710 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 347 0 36 9 0 9 9 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833a7542) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833e8ce5,ffffffff833e06a3,84,ffffffff8343b8af) at __assert+0x29 sys/kern/subr_prf.c:-1 rtmap_grow(2,21) at rtmap_grow+0x24f rtable_add(1) at rtable_add+0x2d9 rtable_alloc sys/net/rtable.c:370 [inline] rtable_add(1) at rtable_add+0x2d9 sys/net/rtable.c:223 if_createrdomain(1,ffff80000148b000) at if_createrdomain+0x40 sys/net/if.c:1975 ifioctl(ffff8000014a65f8,8020699f,ffff80003c4dce30,ffff80003b402d30) at ifioctl+0x1c52 sys/net/if.c:2324 sys_ioctl(ffff80003b402d30,ffff80003c4dd010,ffff80003c4dcf60) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1 syscall(ffff80003c4dd010) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c4dd010) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x37c3b05340, count: -10 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff8000299edff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __mp_lock(ffffffff838b4240) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff838b4240) at __mp_lock+0x192 sys/kern/kern_lock.c:165 __mp_acquire_count(ffffffff838b4240,1) at __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 sleep_finish(ffffffffffffffff,1) at sleep_finish+0x2d8 sys/kern/kern_synch.c:369 rw_do_enter_write(ffffffff838cdea8,0) at rw_do_enter_write+0x1dc sys/kern/kern_rwlock.c:298 vm_map_lock_ln(ffffffff838cddc0,0,0) at vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5171 uvm_map(ffffffff838cddc0,ffff80002a352180,6000,0,ffffffffffffffff,0,d24c04f3a3195e70) at uvm_map+0x404 sys/uvm/uvm_map.c:1021 km_alloc(6000,ffffffff83554ee8,ffffffff8353fc20,ffffffff8353fc98) at km_alloc+0x209 sys/uvm/uvm_km.c:628 uvm_uarea_alloc() at uvm_uarea_alloc+0x52 sys/uvm/uvm_glue.c:-1 fork1(ffff8000ffffc008,1,ffffffff8262bf20,0,ffff80002a352310,0) at fork1+0x315 sys/kern/kern_fork.c:395 syscall(ffff80002a3523c0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a3523c0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x75bb12971740, count: 1 ddb{1}> trace x86_ipi_db(ffff8000299edff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __mp_lock(ffffffff838b4240) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff838b4240) at __mp_lock+0x192 sys/kern/kern_lock.c:165 __mp_acquire_count(ffffffff838b4240,1) at __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 sleep_finish(ffffffffffffffff,1) at sleep_finish+0x2d8 sys/kern/kern_synch.c:369 rw_do_enter_write(ffffffff838cdea8,0) at rw_do_enter_write+0x1dc sys/kern/kern_rwlock.c:298 vm_map_lock_ln(ffffffff838cddc0,0,0) at vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5171 uvm_map(ffffffff838cddc0,ffff80002a352180,6000,0,ffffffffffffffff,0,d24c04f3a3195e70) at uvm_map+0x404 sys/uvm/uvm_map.c:1021 km_alloc(6000,ffffffff83554ee8,ffffffff8353fc20,ffffffff8353fc98) at km_alloc+0x209 sys/uvm/uvm_km.c:628 uvm_uarea_alloc() at uvm_uarea_alloc+0x52 sys/uvm/uvm_glue.c:-1 fork1(ffff8000ffffc008,1,ffffffff8262bf20,0,ffff80002a352310,0) at fork1+0x315 sys/kern/kern_fork.c:395 syscall(ffff80002a3523c0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a3523c0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x75bb12971740, count: -14