kernel: protection fault trap, code=0 Stopped at lf_advlock+0x2fa: incl 0x28(%r12) ddb{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic the kernel did not panic ddb{1}> trace lf_advlock(ffff8000014c9da0,0,fffffd806c119250,8,ffff80003c457720,30) at lf_advlock+0x2fa ls_ref sys/kern/vfs_lockf.c:138 [inline] lf_advlock(ffff8000014c9da0,0,fffffd806c119250,8,ffff80003c457720,30) at lf_advlock+0x2fa sys/kern/vfs_lockf.c:278 VOP_ADVLOCK(fffffd8062b5d6e0,fffffd806c119250,8,ffff80003c457720,30) at VOP_ADVLOCK+0x87 sys/kern/vfs_vops.c:623 doopenat(ffff8000367e3250,ffffff9c,200000000040,20,0,ffff80003c457820) at doopenat+0x512 sys/kern/vfs_syscalls.c:1170 syscall(ffff80003c4578d0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c4578d0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe0c064f7db0, count: -5 ddb{1}> show registers rdi 0xffff80002d7d0000 rsi 0xd6e rbp 0xffff80003c457510 rbx 0 rdx 0xffff80002d7d0000 rcx 0xd6d rax 0xffffffff81c18c2e witness_assert+0x4ee r8 0 r9 0x1 r10 0x249a81a6f9ba6a7b r11 0xd4b45b81e21cc5f9 r12 0xdeafbeaddeafbead r13 0x8 r14 0xffff80003c457720 r15 0x1 rip 0xffffffff82c675ba lf_advlock+0x2fa cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80003c457480 ss 0 lf_advlock+0x2fa: incl 0x28(%r12) ddb{1}> show proc PROC (syz-executor) tid=343501 pid=68279 tcnt=3 stat=onproc flags process=10 proc=4000000 runpri=32, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000367e2fb8,0xffff80003b409cb8 process=0xffff80003b410e98 user=0xffff80003c452000, vmspace=0xfffffd806a9cb9a8 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 53713 505912 36752 0 2 0 syz-executor 53713 405773 36752 0 3 0x4000080 fsleep syz-executor 41240 67632 96125 0 2 0 syz-executor 41240 122519 96125 0 3 0x4000080 fsleep syz-executor 41240 449299 96125 0 3 0x4000080 fsleep syz-executor 41354 295727 90559 0 2 0 syz-executor 41354 380162 90559 0 3 0x4000080 fsleep syz-executor 68279 41642 19422 60929 2 0x10 syz-executor *68279 343501 19422 60929 7 0x4000010 syz-executor 68279 40018 19422 60929 2 0x4000010 syz-executor 11507 243839 38718 0 3 0x80 nanoslp syz-executor 11507 509048 38718 0 3 0x4000080 kqpoll syz-executor 74606 522590 41302 0 3 0x80 nanoslp syz-executor 74606 54219 41302 0 3 0x4000080 kqread syz-executor 74606 291521 41302 0 3 0x4000080 fsleep syz-executor 74606 407135 41302 0 3 0x4000080 fsleep syz-executor 14224 393637 56168 0 3 0x3000 suspend syz-executor 14224 120151 56168 0 3 0x4081000 biowait syz-executor 85945 66033 33340 0 3 0x82 sbwait sshd-session 70171 472806 0 0 3 0x14280 nfsidl nfsio 22108 34642 0 0 3 0x14200 bored sosplice 39788 240398 0 0 3 0x14200 acct acct 38718 290970 38414 0 3 0x82 nanoslp syz-executor 96125 418086 38414 0 3 0x82 nanoslp syz-executor 19422 425092 38414 0 3 0x82 nanoslp syz-executor 11845 395439 38414 0 3 0x82 nanoslp syz-executor 36752 228005 38414 0 3 0x82 nanoslp syz-executor 90559 356483 38414 0 3 0x82 nanoslp syz-executor 56168 125499 38414 0 3 0x82 wait syz-executor 41302 306812 38414 0 3 0x82 nanoslp syz-executor 38414 288270 50772 0 3 0x82 kqread syz-executor 50772 441733 35208 0 3 0x10008a sigsusp ksh 35208 168013 85318 0 3 0x98 kqread sshd-session 85318 102547 33340 0 3 0x92 kqread sshd-session 82052 303327 1 0 3 0x100083 ttyin getty 33340 315657 1 0 3 0x88 kqread sshd 9684 326434 18900 74 3 0x1100092 bpf pflogd 18900 601 1 0 3 0x80 sbwait pflogd 26627 32787 70270 73 3 0x1100090 kqread syslogd 70270 32436 1 0 3 0x100082 sbwait syslogd 46997 129843 1 0 3 0x100080 kqread resolvd 65196 426759 52961 77 3 0x100092 kqread dhcpleased 55141 519945 52961 77 3 0x100092 kqread dhcpleased 52961 387237 1 0 3 0x80 kqread dhcpleased 94880 478519 0 0 3 0x14200 bored smr 66007 209346 0 0 2 0x14200 zerothread 49717 366924 0 0 3 0x14200 aiodoned aiodoned 97638 319333 0 0 3 0x14200 syncer update 68654 400619 0 0 3 0x14200 cleaner cleaner 69510 493304 0 0 7 0x14200 reaper 2545 240189 0 0 3 0x14200 pgdaemon pagedaemon 89672 94860 0 0 3 0x14200 bored viomb 17408 110403 0 0 3 0x40014200 acpi0 acpi0 27315 390690 0 0 3 0x40014200 idle1 7881 365669 0 0 3 0x14200 bored softnet1 48758 378605 0 0 3 0x14200 bored softnet0 51333 25349 0 0 3 0x14200 bored systqmp 63550 356155 0 0 3 0x14200 bored systq 36255 230437 0 0 3 0x14200 tmoslp softclockmp 90122 105648 0 0 3 0x40014200 tmoslp softclock 15255 350408 0 0 3 0x40014200 idle0 1 229744 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 53713 (syz-executor) thread 0xffff8000367e3a18 (505912) exclusive rwlock vmmaplk r = 0 (0xfffffd806ef2ba90) #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:5171 #3 uvm_map_protect+0xe0 sys/uvm/uvm_map.c:3064 #4 sys_mprotect+0x351 sys/uvm/uvm_mmap.c:590 #5 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #5 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 #6 Xsyscall+0x128 Process 68279 (syz-executor) thread 0xffff8000367e3250 (343501) exclusive rwlock lockflk r = 0 (0xffffffff8385ab88) #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 lf_advlock+0x227 sys/kern/vfs_lockf.c:260 #3 VOP_ADVLOCK+0x87 sys/kern/vfs_vops.c:623 #4 doopenat+0x512 sys/kern/vfs_syscalls.c:1170 #5 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #5 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 #6 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff839b6da8) #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 sleep_finish+0x2d8 sys/kern/kern_synch.c:367 #3 rw_do_enter_write+0x1dc sys/kern/kern_rwlock.c:298 #4 lf_advlock+0x227 sys/kern/vfs_lockf.c:260 #5 VOP_ADVLOCK+0x87 sys/kern/vfs_vops.c:623 #6 doopenat+0x512 sys/kern/vfs_syscalls.c:1170 #7 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #7 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 #8 Xsyscall+0x128 Process 68279 (syz-executor) thread 0xffff8000367e2d20 (40018) exclusive rrwlock inode r = 0 (0xfffffd806e1fb418) #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+0xa3 sys/kern/vfs_vops.c:527 #4 ufs_ihashins+0x4f ufs_ihash sys/ufs/ufs/ufs_ihash.c:-1 [inline] #4 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:159 #5 ffs_vget+0x187 sys/ufs/ffs/ffs_vfsops.c:1232 #6 ufs_lookup+0x16bd sys/ufs/ufs/ufs_lookup.c:573 #7 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #8 vfs_lookup+0x93a sys/kern/vfs_lookup.c:566 #9 namei+0x7ca sys/kern/vfs_lookup.c:250 #10 dolinkat+0xea sys/kern/vfs_syscalls.c:1727 #11 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #11 syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 #12 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8070c60808) #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+0xa3 sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1 #6 namei+0x7ca sys/kern/vfs_lookup.c:250 #7 dolinkat+0xea sys/kern/vfs_syscalls.c:1727 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 #9 Xsyscall+0x128 Process 14224 (syz-executor) thread 0xffff80003b409248 (120151) exclusive rrwlock inode r = 0 (0xfffffd806c1b6ec0) #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+0xa3 sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vn_write+0x18f sys/kern/vfs_vnops.c:405 #6 dofilewritev+0x242 sys/kern/sys_generic.c:380 #7 sys_write+0xa2 sys/kern/sys_generic.c:300 #8 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 #9 Xsyscall+0x128 Process 69510 (reaper) thread 0xffff8000ffffd760 (493304) exclusive rwlock kmmaplk r = 0 (0xffffffff8395b7f0) #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:5171 #3 uvm_unmap+0x7d sys/uvm/uvm_map.c:1792 #4 km_free+0x87 sys/uvm/uvm_km.c:831 #5 uvm_uarea_free+0x4f sys/uvm/uvm_glue.c:304 #6 reaper+0x1aa sys/kern/kern_exit.c:493 #7 proc_trampoline+0x10 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10207 11123K 11353K 166960K 11748 0 pcb 18 13K 13K 166960K 125 0 rtable 249 11K 11K 166960K 438 0 pf 36 18K 25K 166960K 131 0 ifaddr 44 8K 8K 166960K 84 0 ifgroup 55 2K 2K 166960K 127 0 sysctl 4 1K 9K 166960K 13 0 counters 68 36K 37K 166960K 150 0 ioctlops 0 0K 4K 166960K 1578 0 iov 0 0K 28K 166960K 26 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1377 87K 87K 166960K 1847 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 9 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 58 0 dirhash 12 2K 2K 166960K 24 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 240K 166960K 627 0 sigio 0 0K 0K 166960K 157 0 proc 72 115K 196K 166960K 571 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 58 0 in_multi 99 7K 7K 166960K 133 0 ether_multi 1 0K 0K 166960K 5 0 mrt 0 0K 0K 166960K 1 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 97 440K 440K 166960K 97 0 exec 0 0K 1K 166960K 529 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 2 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 266 176K 190K 166960K 7664 0 UVM aobj 45 4K 4K 166960K 47 0 pinsyscall 44 88K 102K 166960K 1748 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 26 0 NDP 12 0K 2K 166960K 56 0 temp 56 8654K 8781K 166960K 25300 0 kqueue 15 24K 32K 166960K 139 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 26 0 0 1 0 1 1 0 8 0 rtpcb 120 62 0 59 1 0 1 1 0 8 0 rtentry 176 130 0 26 6 0 6 6 0 8 0 unpcb 144 383 0 364 5 2 3 4 0 8 2 syncache 336 5 0 5 2 1 1 1 0 8 1 tcpqe 32 1 0 1 1 1 0 1 0 8 0 tcpcb 736 255 0 247 8 1 7 7 0 8 5 arp 136 22 0 2 1 0 1 1 0 8 0 inpcb 328 723 0 708 7 0 7 7 0 8 4 nd6 152 25 0 0 1 0 1 1 0 8 0 pkpcb 40 4 0 4 2 1 1 1 0 8 1 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1192 35 0 35 1 0 1 1 0 8 1 pppxif 1504 2 0 2 1 1 0 1 0 8 0 pfstscr 40 3 0 3 1 0 1 1 0 8 1 pffrag 232 4 0 0 1 0 1 1 0 482 0 pffrnode 88 4 0 0 1 0 1 1 0 8 0 pffrent 40 5 0 1 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 2 0 0 1 0 1 1 0 8 0 pftag 88 1 0 0 1 0 1 1 0 8 0 pfstitem 24 46 0 13 1 0 1 1 0 8 0 pfstkey 128 52 0 19 2 0 2 2 0 8 0 pfstate 384 49 0 16 5 0 5 5 0 8 0 pfrule 1344 29 0 25 2 1 1 2 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 529 0 130 31 3 28 31 0 8 0 art_table 40 531 0 130 5 0 5 5 0 8 0 art_node 32 129 0 36 1 0 1 1 0 8 0 sysvmsgpl 40 10 0 8 2 1 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 55 0 45 1 0 1 1 0 8 0 shmpl 112 44 0 2 2 0 2 2 0 8 0 dirhash 1024 25 0 8 3 0 3 3 0 8 0 dino2pl 256 2622 0 1109 95 0 95 95 0 8 0 ffsino 296 2622 0 1109 117 0 117 117 0 8 0 nchpl 144 3490 0 1788 64 0 64 64 0 8 0 rtmask 32 9 0 9 2 1 1 1 0 8 1 vnodes 216 2905 0 0 162 0 162 162 0 8 0 namei 1024 11879 0 11878 4 3 1 2 0 8 0 percpumem 16 90 0 41 1 0 1 1 0 8 0 kstatmem 264 82 0 56 4 1 3 3 0 8 1 scsiplug 72 2 0 2 1 0 1 1 0 8 1 scxspl 216 18824 0 18823 6 3 3 4 1 8 2 plimitpl 152 178 0 158 1 0 1 1 0 8 0 sigapl 424 927 0 875 7 1 6 7 0 8 0 knotepl 120 307 0 0 10 0 10 10 0 8 0 kqueuepl 224 331 0 320 7 4 3 5 0 8 2 pipepl 344 210 0 183 9 6 3 9 0 8 0 fdescpl 528 908 0 876 3 0 3 3 0 8 0 filepl 160 5508 0 5280 19 4 15 15 0 8 3 lockfpl 104 152 0 150 1 0 1 1 0 8 0 lockfspl 48 68 0 66 1 0 1 1 0 8 0 sessionpl 144 24 0 14 1 0 1 1 0 8 0 pgrppl 48 38 0 20 1 0 1 1 0 8 0 ucredpl 104 930 0 916 1 0 1 1 0 8 0 zombiepl 144 1073 0 1071 1 0 1 1 0 8 0 processpl 1232 927 0 875 6 1 5 5 0 8 0 procpl 664 1818 0 1755 7 0 7 7 0 8 0 sosppl 168 6 0 4 2 1 1 1 0 8 0 sockpl 752 1188 0 1150 14 3 11 11 0 8 6 mcl64k 65536 16 0 0 2 0 2 2 0 8 0 mcl12k 12288 2 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 mcl2k 2048 24 0 0 3 0 3 3 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 189 0 0 12 0 12 12 0 8 0 bufpl 280 7186 0 1049 439 0 439 439 0 8 0 anonpl 32 15801 0 0 129 1 128 128 0 246 0 amapchunkpl 152 25527 0 24878 35 5 30 30 0 158 4 amappl16 200 3708 0 3538 40 24 16 38 0 8 6 amappl15 192 10 0 10 1 1 0 1 0 8 0 amappl14 184 3 0 3 1 1 0 1 0 8 0 amappl13 176 447 0 446 1 0 1 1 0 8 0 amappl12 168 1271 0 1227 3 0 3 3 0 8 0 amappl11 160 6 0 6 1 1 0 1 0 8 0 amappl10 152 52 0 38 1 0 1 1 0 8 0 amappl9 144 248 0 248 1 1 0 1 0 8 0 amappl8 136 29 0 27 1 0 1 1 0 8 0 amappl7 128 82 0 81 1 0 1 1 0 8 0 amappl6 120 282 0 268 1 0 1 1 0 8 0 amappl5 112 80 0 67 1 0 1 1 0 8 0 amappl4 104 419 0 388 1 0 1 1 0 8 0 amappl3 96 4235 0 4135 4 1 3 3 0 8 0 amappl2 88 1030 0 947 2 0 2 2 0 8 0 amappl1 80 11529 0 10865 14 0 14 14 0 8 0 amappl 88 6828 0 6647 5 0 5 5 0 92 0 uvmvnodes 80 2905 0 0 60 0 60 60 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 128 255 0 255 2 1 1 1 0 8 1 dma64 64 7 0 7 2 2 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 46 0 2 1 0 1 1 0 8 0 uaddrrnd 24 908 0 876 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 908 0 876 1 0 1 1 0 8 0 vmmpekpl 168 9597 0 9562 3 0 3 3 0 8 0 vmmpepl 168 66124 0 63925 130 8 122 122 0 357 17 vmsppl 488 907 0 875 5 0 5 5 0 8 0 rwobjpl 80 23893 0 19771 89 0 89 89 0 8 1 pdppl 4096 1823 0 1750 97 24 73 83 0 8 0 pvpl 32 23051 0 0 188 2 186 186 0 265 0 pmappl 256 907 0 875 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 281 0 34 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp ddb{0}> trace x86_ipi_db(ffffffff83829ff0) 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(ffffffff839b6ba0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff839b6ba0) at __mp_lock+0x192 sys/kern/kern_lock.c:165 intr_handler(ffff80002a2443b0,ffff80000007aa80) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:559 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f uaddr_free_rbtree_RBT_COMPARE(ffffffff8374ef48,fffffd807f7e2f38) at uaddr_free_rbtree_RBT_COMPARE uaddr_bestfit_insert(ffffffff8395b6f0,fffffd807f7e2f20,fffffd806a9546a0) at uaddr_bestfit_insert+0x46 sys/uvm/uvm_addr.c:-1 uvm_mapent_free_insert(ffffffff8395b6f0,fffffd807f7e2f20,fffffd806a9546a0) at uvm_mapent_free_insert+0x11b sys/uvm/uvm_map.c:373 uvm_unmap_remove(ffffffff8395b6f0,ffff80003b40a000,ffff80003b410000,ffff80002a244638,0,1,bb09e09cfca6927e) at uvm_unmap_remove+0x4ed sys/uvm/uvm_map.c:-1 uvm_unmap(ffffffff8395b6f0,ffff80003b40a000,ffff80003b410000) at uvm_unmap+0xa7 vm_map_unlock_ln sys/uvm/uvm_map.c:-1 [inline] uvm_unmap(ffffffff8395b6f0,ffff80003b40a000,ffff80003b410000) at uvm_unmap+0xa7 sys/uvm/uvm_map.c:1793 km_free(ffff80003b40a000,6000,ffffffff83721d58,ffffffff835700f8) at km_free+0x87 sys/uvm/uvm_km.c:831 uvm_uarea_free(ffff80003b4082b8) at uvm_uarea_free+0x4f sys/uvm/uvm_glue.c:304 reaper(ffff8000ffffd760) at reaper+0x1aa sys/kern/kern_exit.c:493 end trace frame: 0x0, count: -14 ddb{0}> machine ddbcpu 1 Stopped at lf_advlock+0x2fa: incl 0x28(%r12) ddb{1}> trace lf_advlock(ffff8000014c9da0,0,fffffd806c119250,8,ffff80003c457720,30) at lf_advlock+0x2fa ls_ref sys/kern/vfs_lockf.c:138 [inline] lf_advlock(ffff8000014c9da0,0,fffffd806c119250,8,ffff80003c457720,30) at lf_advlock+0x2fa sys/kern/vfs_lockf.c:278 VOP_ADVLOCK(fffffd8062b5d6e0,fffffd806c119250,8,ffff80003c457720,30) at VOP_ADVLOCK+0x87 sys/kern/vfs_vops.c:623 doopenat(ffff8000367e3250,ffffff9c,200000000040,20,0,ffff80003c457820) at doopenat+0x512 sys/kern/vfs_syscalls.c:1170 syscall(ffff80003c4578d0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c4578d0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe0c064f7db0, count: -5