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 427 93367 0 0 0 0 syz-executor *326416 93367 0 0 0x4000000 1K syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff834c7aa5) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff83508474,ffffffff835016b0,84,ffffffff8355abc1) at __assert+0x29 sys/kern/subr_prf.c:-1 rtmap_grow(cf,21) at rtmap_grow+0x24f rtable_add(ce) at rtable_add+0x2d9 rtable_alloc sys/net/rtable.c:370 [inline] rtable_add(ce) at rtable_add+0x2d9 sys/net/rtable.c:223 if_createrdomain(ce,ffff8000015ec000) at if_createrdomain+0x40 sys/net/if.c:2046 ifioctl(ffff800010fdda80,8020699f,ffff800031b93f00,ffff80002a2a4d20) at ifioctl+0x1c52 sys/net/if.c:2395 sys_ioctl(ffff80002a2a4d20,ffff800031b940e0,ffff800031b94030) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1 syscall(ffff800031b940e0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800031b940e0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x8d43b6ba4d0, 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{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic *cpu1: kernel diagnostic assertion "map->limit == rtmap_limit" failed: file "/syzkaller/managers/multicore/kernel/sys/net/rtable.c", line 132 ddb{1}> show kasan No such command ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff834c7aa5) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff83508474,ffffffff835016b0,84,ffffffff8355abc1) at __assert+0x29 sys/kern/subr_prf.c:-1 rtmap_grow(cf,21) at rtmap_grow+0x24f rtable_add(ce) at rtable_add+0x2d9 rtable_alloc sys/net/rtable.c:370 [inline] rtable_add(ce) at rtable_add+0x2d9 sys/net/rtable.c:223 if_createrdomain(ce,ffff8000015ec000) at if_createrdomain+0x40 sys/net/if.c:2046 ifioctl(ffff800010fdda80,8020699f,ffff800031b93f00,ffff80002a2a4d20) at ifioctl+0x1c52 sys/net/if.c:2395 sys_ioctl(ffff80002a2a4d20,ffff800031b940e0,ffff800031b94030) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1 syscall(ffff800031b940e0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800031b940e0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x8d43b6ba4d0, count: -10 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff800031b93c10 rbx 0xffff80002999ee0f rdx 0 rcx 0xffff80002a2a4d20 rax 0xffff80002999dff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x1cf4b770169b358e r11 0x1a764d0aea45df6c r12 0xffff80002999ec10 r13 0 r14 0 r15 0x1 rip 0xffffffff8155aff5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff800031b93c00 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=326416 pid=93367 tcnt=3 stat=onproc flags process=0 proc=4000000 runpri=79, usrpri=79, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002a2a47f0,0xffffffff83ae4d20 process=0xffff800045fe7568 user=0xffff800031b8f000, vmspace=0xfffff5000b1cbd58 estcpu=29, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S PRLAGS PFLAGS WAIT COMMAND 97857 212355 66740 0 2 0 0 syz-executor 97857 501471 66740 0 3 0 0x4000080 ttyout syz-executor 97857 424127 66740 0 2 0 0x4000000 syz-executor 77573 131849 37269 0 3 0x1000 0x2000 suspend syz-executor 77573 1078 37269 0 3 0x1000 0x4080000 ptarrlk syz-executor 77573 373990 37269 0 2 0x1000 0x4080000 syz-executor 93367 427 70771 0 7 0 0 syz-executor 93367 314285 70771 0 2 0 0x4000000 syz-executor *93367 326416 70771 0 7 0 0x4000000 syz-executor 26135 510956 77760 0 2 0x2 0 syz-executor 37269 168203 77760 0 3 0x2 0x80 nanoslp syz-executor 74883 39679 77760 0 2 0x2 0 syz-executor 70771 316629 77760 0 3 0x2 0x80 nanoslp syz-executor 39389 40701 1 0 3 0x100003 0x80 ttyin getty 62961 28958 77760 0 3 0x2 0x80 wait syz-executor 85785 218113 27191 0 3 0x100002 0x80 sbwait ndp 27191 293015 95975 0 3 0x100002 0x88 sigsusp sh 33018 402533 77760 0 3 0x2 0 biowait syz-executor 95975 328495 77760 0 3 0x2 0x80 wait syz-executor 66740 51211 77760 0 3 0x2 0x80 nanoslp syz-executor 77760 211709 1 0 3 0x2 0x80 kqread syz-executor 61505 310095 1 0 3 0x10000002 0x88 kqread sshd 24545 483108 40521 74 3 0x1100012 0x80 bpf pflogd 40521 443795 1 0 3 0 0x80 sbwait pflogd 19468 266688 28528 73 3 0x1100010 0x80 kqread syslogd 28528 375558 1 0 3 0x100002 0x80 sbwait syslogd 53874 298227 1 0 3 0x100000 0x80 kqread resolvd 77120 281170 93043 77 3 0x100012 0x80 kqread dhcpleased 84922 466644 93043 77 3 0x100012 0x80 kqread dhcpleased 93043 368364 1 0 3 0 0x80 kqread dhcpleased 88722 377981 0 0 3 0x14000 0x200 bored smr 8948 286103 0 0 2 0x14000 0x200 zerothread 89871 184866 0 0 3 0x14000 0x200 aiodoned aiodoned 86120 443077 0 0 3 0x14000 0x200 syncer update 56762 202106 0 0 3 0x14000 0x200 cleaner cleaner 11788 168603 0 0 3 0x14000 0x200 reaper reaper 20590 109948 0 0 3 0x14000 0x200 pgdaemon pagedaemon 5670 435528 0 0 3 0x14000 0x200 bored viomb 43525 479152 0 0 3 0x14000 0x40000200 acpi0 acpi0 26765 8534 0 0 3 0x14000 0x40000200 idle1 44952 498300 0 0 3 0x14000 0x200 bored softnet1 99254 273408 0 0 2 0x14000 0x200 softnet0 5807 299683 0 0 3 0x14000 0x200 smrbar systqmp 4497 59966 0 0 3 0x14000 0x200 bored systq 61171 385429 0 0 3 0x14000 0x200 tmoslp softclockmp 60188 131591 0 0 3 0x14000 0x40000200 tmoslp softclock 88868 460559 0 0 3 0x14000 0x40000200 idle0 1 467099 0 0 3 0x2 0x80 wait init 0 0 -1 0 3 0x10000 0x200 scheduler swapper ddb{1}> show all locks Process 97857 (syz-executor) thread 0xffff80002a2a47f0 (424127) exclusive rwlock vmmaplk r = 0 (0xfffff5000b1cb6b8) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_read+0x3e8 sys/kern/kern_rwlock.c:413 #2 uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1880 #3 uvm_fault_check+0x4f sys/uvm/uvm_fault.c:693 #4 uvm_fault+0x106 sys/uvm/uvm_fault.c:627 #5 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:194 #6 usertrap+0x430 sys/arch/amd64/amd64/trap.c:648 #7 recall_trap+0x8 Process 77573 (syz-executor) thread 0xffff80002a22b4d8 (373990) exclusive rwlock ptarrlk r = 0 (0xffffffff83938d18) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 check_pty+0x52 sys/kern/tty_pty.c:170 #3 ptmioctl+0x33a sys/kern/tty_pty.c:1111 #4 VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 #5 vn_ioctl+0xf8 sys/kern/vfs_vnops.c:537 #6 sys_ioctl+0x674 sys/kern/sys_generic.c:-1 #7 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #7 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791 #8 Xsyscall+0x128 Process 93367 (syz-executor) thread 0xffff80002a2a4d20 (326416) exclusive kernel_lock &kernel_lock r = 1 (0xffffffff83b3d6c0) #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:2046 #6 ifioctl+0x1c52 sys/net/if.c:2395 #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:791 #9 Xsyscall+0x128 Process 74883 (syz-executor) thread 0xffff80002a2a5cb0 (39679) exclusive rwlock vmmaplk r = 0 (0xfffff500738a96d0) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5170 #3 uvmspace_fork+0x12b sys/uvm/uvm_map.c:3752 #4 process_new+0x583 sys/kern/kern_fork.c:282 #5 fork1+0x3f9 sys/kern/kern_fork.c:-1 #6 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xb17 sys/arch/amd64/amd64/trap.c:791 #7 Xsyscall+0x128 exclusive rwlock vmmaplk r = 0 (0xfffff500740f5110) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5170 #3 uvmspace_fork+0x44 sys/uvm/uvm_map.c:3743 #4 process_new+0x583 sys/kern/kern_fork.c:282 #5 fork1+0x3f9 sys/kern/kern_fork.c:-1 #6 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xb17 sys/arch/amd64/amd64/trap.c:791 #7 Xsyscall+0x128 Process 33018 (syz-executor) thread 0xffff80002a22a2b0 (402533) exclusive rrwlock inode r = 0 (0xfffff5000cd897c0) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:576 #5 vget+0x2a2 sys/kern/vfs_subr.c:692 #6 ufs_ihashget+0x185 sys/ufs/ufs/ufs_ihash.c:98 #7 ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1203 #8 ufs_lookup+0x1a36 sys/ufs/ufs/ufs_lookup.c:478 #9 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x9e3 sys/kern/vfs_lookup.c:585 #11 namei+0x7c1 sys/kern/vfs_lookup.c:250 #12 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1807 #13 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0xb17 sys/arch/amd64/amd64/trap.c:791 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffff5000cd89448) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:576 #5 vget+0x2a2 sys/kern/vfs_subr.c:692 #6 cache_lookup+0x351 sys/kern/vfs_cache.c:222 #7 ufs_lookup+0x1e3 sys/ufs/ufs/ufs_lookup.c:160 #8 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #9 vfs_lookup+0x9e3 sys/kern/vfs_lookup.c:585 #10 namei+0x7c1 sys/kern/vfs_lookup.c:250 #11 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1807 #12 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #12 syscall+0xb17 sys/arch/amd64/amd64/trap.c:791 #13 Xsyscall+0x128 Process 5807 (systqmp) thread 0xffff800045ffea60 (299683) shared rwlock systqmp r = 0 (0xffffffff838f7ae8) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 taskq_thread+0x12a sys/kern/kern_task.c:442 #2 proc_trampoline+0x10 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11057 12085K 12160K 166960K 12238 0 pcb 19 12K 12K 166960K 44 0 rtable 225 10K 10K 166960K 704 0 pf 36 18K 25K 166960K 115 0 ifaddr 40 6K 7K 166960K 91 0 ifgroup 56 2K 2K 166960K 116 0 sysctl 3 1K 9K 166960K 8 0 counters 70 37K 37K 166960K 106 0 ioctlops 0 0K 4K 166960K 1516 0 iov 0 0K 16K 166960K 10 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1292 81K 82K 166960K 1518 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 6 0 VM map 2 1K 1K 166960K 2 0 sem 14 0K 0K 166960K 14 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 89K 166960K 387 0 sigio 0 0K 0K 166960K 67 0 proc 71 115K 196K 166960K 856 0 subproc 72 4K 4K 166960K 162 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 9 0 in_multi 88 5K 6K 166960K 199 0 ether_multi 1 0K 0K 166960K 2 0 mrt 0 0K 0K 166960K 16 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 62 281K 281K 166960K 62 0 exec 0 0K 1K 166960K 517 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 218 145K 175K 166960K 4945 0 UVM aobj 11 2K 2K 166960K 11 0 pinsyscall 38 76K 104K 166960K 1788 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 6 0 NDP 16 0K 2K 166960K 62 0 temp 44 9119K 9145K 166960K 11749 0 kqueue 11 16K 26K 166960K 53 0 SYN cache 2 16K 16K 166960K 2 0 ddb{1}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 28 0 0 1 0 1 1 0 8 0 rtpcb 120 59 0 55 1 0 1 1 0 8 0 rtentry 176 214 0 113 6 0 6 6 0 8 0 unpcb 144 125 0 111 2 1 1 2 0 8 0 syncache 336 6 0 6 2 1 1 1 0 8 1 tcpcb 736 40 0 37 1 0 1 1 0 8 0 arp 136 36 0 20 1 0 1 1 0 8 0 inpcb 328 263 0 254 8 1 7 7 0 8 6 nd6 152 54 0 31 1 0 1 1 0 8 0 pkpcb 40 4 0 4 2 1 1 1 0 8 1 kcovpl 48 18 0 10 1 0 1 1 0 8 0 mppekey 1024 1 0 1 1 0 1 1 0 8 1 ppxss 1192 5 0 5 2 1 1 1 0 8 1 pppxif 1576 1 0 1 1 0 1 1 0 8 1 pfstscr 40 2 0 0 1 0 1 1 0 8 0 pffrag 232 1 0 0 1 0 1 1 0 482 0 pffrnode 88 1 0 0 1 0 1 1 0 8 0 pffrent 40 66 0 65 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 12 0 7 1 0 1 1 0 8 0 pfstitem 24 43 0 0 1 0 1 1 0 8 0 pfstkey 128 43 0 0 2 0 2 2 0 8 0 pfstate 448 42 0 0 5 0 5 5 0 8 0 pfrule 1360 23 0 18 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 883 0 455 31 1 30 30 0 8 0 art_table 40 884 0 455 5 0 5 5 0 8 0 art_node 32 214 0 113 1 0 1 1 0 8 0 sysvmsgpl 40 1 0 1 1 1 0 1 0 8 0 semapl 72 12 0 0 1 0 1 1 0 8 0 shmpl 120 8 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1755 0 263 94 0 94 94 0 8 0 ffsino 296 1755 0 263 115 0 115 115 0 8 0 nchpl 144 2122 0 384 65 0 65 65 0 8 0 vnodes 216 1975 0 0 110 0 110 110 0 8 0 namei 1024 8337 0 8336 4 2 2 2 0 8 1 percpumem 16 69 0 18 1 0 1 1 0 8 0 kstatmem 264 59 0 32 4 1 3 3 0 8 1 scxspl 216 6973 0 6972 4 3 1 3 1 8 0 plimitpl 152 53 0 37 1 0 1 1 0 8 0 sigapl 424 685 0 640 7 1 6 7 0 8 0 knotepl 120 281 0 0 9 0 9 9 0 8 0 kqueuepl 224 59 0 52 1 0 1 1 0 8 0 pipepl 344 196 0 169 6 3 3 6 0 8 0 fdescpl 528 669 0 641 3 0 3 3 0 8 0 filepl 160 2686 0 2467 13 1 12 12 0 8 2 lockfpl 104 43 0 41 1 0 1 1 0 8 0 lockfspl 48 20 0 18 1 0 1 1 0 8 0 sessionpl 144 40 0 31 1 0 1 1 0 8 0 pgrppl 48 58 0 41 1 0 1 1 0 8 0 ucredpl 104 234 0 220 1 0 1 1 0 8 0 zombiepl 144 692 0 689 1 0 1 1 0 8 0 processpl 1240 685 0 640 5 0 5 5 0 8 0 procpl 664 907 0 856 6 0 6 6 0 8 0 sockpl 752 455 0 428 13 3 10 10 0 8 7 mcl64k 65536 3 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 116 0 0 15 0 15 15 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 44 0 0 6 0 6 6 0 8 0 mextrefs 64 42 0 0 1 0 1 1 0 8 0 mtagpl 96 4 0 0 1 0 1 1 0 8 0 mbufpl 256 343 0 0 22 0 22 22 0 8 0 bufpl 272 2513 0 105 161 0 161 161 0 8 0 anonpl 32 7626 0 0 62 0 62 62 0 247 0 amapchunkpl 152 13671 0 13240 32 6 26 26 0 158 4 amappl16 200 1845 0 1829 15 13 2 14 0 8 0 amappl15 192 3 0 3 1 1 0 1 0 8 0 amappl14 184 539 0 538 1 0 1 1 0 8 0 amappl13 176 144 0 132 1 0 1 1 0 8 0 amappl12 168 954 0 928 2 0 2 2 0 8 0 amappl11 160 4 0 4 2 2 0 1 0 8 0 amappl10 152 68 0 54 1 0 1 1 0 8 0 amappl9 144 275 0 275 1 1 0 1 0 8 0 amappl8 136 136 0 134 1 0 1 1 0 8 0 amappl7 128 168 0 154 1 0 1 1 0 8 0 amappl6 120 272 0 271 1 0 1 1 0 8 0 amappl5 112 96 0 87 1 0 1 1 0 8 0 amappl4 104 339 0 318 1 0 1 1 0 8 0 amappl3 96 2454 0 2366 3 0 3 3 0 8 0 amappl2 88 760 0 694 2 0 2 2 0 8 0 amappl1 80 12415 0 11958 15 1 14 15 0 8 0 amappl 88 4032 0 3887 4 0 4 4 0 92 0 uvmvnodes 80 101 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 128 253 0 253 1 1 0 1 0 8 0 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 10 0 0 1 0 1 1 0 8 0 uaddrrnd 24 669 0 641 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 669 0 641 1 0 1 1 0 8 0 vmmpekpl 168 7692 0 7643 3 0 3 3 0 8 0 vmmpepl 168 52316 0 50763 98 16 82 98 0 357 2 vmsppl 488 668 0 641 5 0 5 5 0 8 0 rwobjpl 80 18148 0 17212 28 2 26 28 0 8 0 pdppl 4096 1345 0 1282 99 26 73 83 0 8 10 pvpl 32 13894 0 0 113 0 113 113 0 265 0 pmappl 256 668 0 641 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 455 0 33 13 0 13 13 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83912ff0) 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 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c kd_curproc sys/dev/kcov.c:584 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c sys/dev/kcov.c:153 __mp_lock(ffffffff83b3cec0) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83b3cec0) at __mp_lock+0x1a3 sys/kern/kern_lock.c:173 intr_handler(ffff80003c3dce00,ffff8000002a3480) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:560 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f Xsyscall() at Xsyscall+0x111 end of kernel end trace frame: 0x77087c1e3d00, count: 7 ddb{0}> trace x86_ipi_db(ffffffff83912ff0) 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 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c kd_curproc sys/dev/kcov.c:584 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c sys/dev/kcov.c:153 __mp_lock(ffffffff83b3cec0) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83b3cec0) at __mp_lock+0x1a3 sys/kern/kern_lock.c:173 intr_handler(ffff80003c3dce00,ffff8000002a3480) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:560 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f Xsyscall() at Xsyscall+0x111 end of kernel end trace frame: 0x77087c1e3d00, count: -8 ddb{0}>