uvm_fault(0xffffffff83a5d180, 0xffff8000267a2004, 0, 1) -> d kernel: page fault trap, code=0 Stopped at ffs_blkfree+0x254: movl 0x4(%r12),%r15d TID PID UID PRFLAGS PFLAGS CPU COMMAND *239264 14375 0 0x2 0 0K syz-executor ffs_blkfree(fffffd806ee863c8,fd98,4000) at ffs_blkfree+0x254 ffs_cgread sys/ufs/ffs/ffs_alloc.c:856 [inline] ffs_blkfree(fffffd806ee863c8,fd98,4000) at ffs_blkfree+0x254 sys/ufs/ffs/ffs_alloc.c:1272 ffs_indirtrunc(fffffd806ee863c8,fffffffffdfff7f3,3f640,ffffffffffffffff,1,ffff80002a360308) at ffs_indirtrunc+0x7ca sys/ufs/ffs/ffs_inode.c:-1 ffs_indirtrunc(fffffd806ee863c8,ffffffffffbff7f2,3f620,ffffffffffffffff,2,ffff80002a360508) at ffs_indirtrunc+0x730 sys/ufs/ffs/ffs_inode.c:499 ffs_truncate(fffffd806ee863c8,0,0,ffffffffffffffff) at ffs_truncate+0x103f sys/ufs/ffs/ffs_inode.c:297 ufs_inactive(ffff80002a360660) at ufs_inactive+0x202 sys/ufs/ufs/ufs_inode.c:84 VOP_INACTIVE(fffffd8067641cd0,ffff8000fffee2b0) at VOP_INACTIVE+0x104 sys/kern/vfs_vops.c:498 vput(fffffd8067641cd0) at vput+0xe5 sys/kern/vfs_subr.c:789 VOP_REMOVE(fffffd8067641388,fffffd8067641cd0,ffff80002a3607c8) at VOP_REMOVE+0x199 sys/kern/vfs_vops.c:336 dounlinkat(ffff8000fffee2b0,ffffff9c,75877a6f0ce0,0) at dounlinkat+0x1c4 sys/kern/vfs_syscalls.c:1923 syscall(ffff80002a360940) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a360940) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x75877a6f1190, count: 4 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: uvm_fault(0xffffffff83a5d180, 0xffff8000267a2004, 0, 1) -> d ddb{0}> trace ffs_blkfree(fffffd806ee863c8,fd98,4000) at ffs_blkfree+0x254 ffs_cgread sys/ufs/ffs/ffs_alloc.c:856 [inline] ffs_blkfree(fffffd806ee863c8,fd98,4000) at ffs_blkfree+0x254 sys/ufs/ffs/ffs_alloc.c:1272 ffs_indirtrunc(fffffd806ee863c8,fffffffffdfff7f3,3f640,ffffffffffffffff,1,ffff80002a360308) at ffs_indirtrunc+0x7ca sys/ufs/ffs/ffs_inode.c:-1 ffs_indirtrunc(fffffd806ee863c8,ffffffffffbff7f2,3f620,ffffffffffffffff,2,ffff80002a360508) at ffs_indirtrunc+0x730 sys/ufs/ffs/ffs_inode.c:499 ffs_truncate(fffffd806ee863c8,0,0,ffffffffffffffff) at ffs_truncate+0x103f sys/ufs/ffs/ffs_inode.c:297 ufs_inactive(ffff80002a360660) at ufs_inactive+0x202 sys/ufs/ufs/ufs_inode.c:84 VOP_INACTIVE(fffffd8067641cd0,ffff8000fffee2b0) at VOP_INACTIVE+0x104 sys/kern/vfs_vops.c:498 vput(fffffd8067641cd0) at vput+0xe5 sys/kern/vfs_subr.c:789 VOP_REMOVE(fffffd8067641388,fffffd8067641cd0,ffff80002a3607c8) at VOP_REMOVE+0x199 sys/kern/vfs_vops.c:336 dounlinkat(ffff8000fffee2b0,ffffff9c,75877a6f0ce0,0) at dounlinkat+0x1c4 sys/kern/vfs_syscalls.c:1923 syscall(ffff80002a360940) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a360940) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x75877a6f1190, count: -11 ddb{0}> show registers rdi 0 rsi 0 rbp 0xffff80002a3601e0 rbx 0xfd98 __ALIGN_SIZE+0xed98 rdx 0 rcx 0xffff8000fffee2b0 rax 0xffffffff83994ff0 cpu_info_full_primary+0x1ff0 r8 0xffffffffffffffff r9 0xffff80002a360208 r10 0x27b50b5cfe4e8ab8 r11 0xc6d6b0647b0dfd72 r12 0xffff8000267a2000 r13 0xffff800000c31800 r14 0xfffffd80681048f8 r15 0 rip 0xffffffff81891454 ffs_blkfree+0x254 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80002a360120 ss 0x10 ffs_blkfree+0x254: movl 0x4(%r12),%r15d ddb{0}> show proc PROC (syz-executor) tid=239264 pid=14375 tcnt=1 stat=onproc flags process=2 proc=0 runpri=50, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000fffee548,0xffff8000fffee028 process=0xffff8000ffff6688 user=0xffff80002a35b000, vmspace=0xfffffd806f57d1f0 estcpu=36, cpticks=121, pctcpu=0.68, user=1, sys=120, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 25419 389546 41990 0 2 0 syz-executor 25419 236117 41990 0 3 0x4000080 fsleep syz-executor 99198 303779 53742 0 2 0 syz-executor 99198 207577 53742 0 3 0x4000080 fsleep syz-executor 99198 313877 53742 0 3 0x4000080 fsleep syz-executor 541 460979 12611 0 2 0x10 syz-executor 541 513491 12611 0 3 0x4000090 fsleep syz-executor 541 363148 12611 0 3 0x4000090 fsleep syz-executor 541 455117 12611 0 2 0x4000010 syz-executor 98862 91139 6340 0 2 0 syz-executor 98862 27462 6340 0 3 0x4000080 fsleep syz-executor 15420 29346 79923 0 2 0 syz-executor 15420 113938 79923 0 2 0x4000000 syz-executor 15420 83654 79923 0 2 0x4000000 syz-executor 15420 492223 79923 0 2 0x4000000 syz-executor 15420 106282 79923 0 2 0x4000000 syz-executor 15420 105750 79923 0 2 0x4000000 syz-executor 15420 189311 79923 0 3 0x4000080 fsleep syz-executor 8980 290864 0 0 3 0x14200 acct acct 12611 53949 84653 0 2 0xc82 syz-executor *14375 239264 84653 0 7 0x2 syz-executor 6340 112138 84653 0 2 0xc82 syz-executor 79923 425294 84653 0 2 0xc82 syz-executor 11504 188184 84653 0 3 0x82 wait syz-executor 41990 296415 84653 0 2 0xc82 syz-executor 25129 246620 84653 0 2 0x2 syz-executor 53742 116863 84653 0 2 0xc82 syz-executor 84653 202497 1 0 2 0x2 syz-executor 43897 292240 61312 0 3 0x98 kqread sshd-session 61312 139882 2215 0 3 0x92 kqread sshd-session 90059 411848 1 0 3 0x100083 ttyin getty 2215 207477 1 0 3 0x88 kqread sshd 13398 247881 23205 74 3 0x1100092 bpf pflogd 23205 459909 1 0 3 0x80 sbwait pflogd 93323 475756 50873 73 3 0x1100090 kqread syslogd 50873 349082 1 0 3 0x100082 sbwait syslogd 79090 81819 1 0 3 0x100080 kqread resolvd 82357 358876 4105 77 3 0x100092 kqread dhcpleased 54473 313543 4105 77 3 0x100092 kqread dhcpleased 4105 399195 1 0 3 0x80 kqread dhcpleased 56376 187103 0 0 3 0x14200 bored smr 18176 15220 0 0 2 0x14200 zerothread 68447 128273 0 0 3 0x14200 aiodoned aiodoned 13002 495591 0 0 3 0x14200 syncer update 54736 94102 0 0 3 0x14200 cleaner cleaner 9903 471604 0 0 3 0x14200 reaper reaper 62797 338534 0 0 3 0x14200 pgdaemon pagedaemon 65140 166852 0 0 3 0x14200 bored viomb 33538 407251 0 0 3 0x40014200 acpi0 acpi0 85272 5038 0 0 7 0x40014200 idle1 39793 447512 0 0 3 0x14200 bored softnet1 73447 506604 0 0 2 0x14200 softnet0 57784 323934 0 0 3 0x14200 bored systqmp 13858 344446 0 0 3 0x14200 bored systq 60274 120820 0 0 3 0x14200 tmoslp softclockmp 43559 463930 0 0 3 0x40014200 tmoslp softclock 80434 22868 0 0 3 0x40014200 idle0 1 289772 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 14375 (syz-executor) thread 0xffff8000fffee2b0 (239264) exclusive rrwlock inode r = 0 (0xfffffd806ee86468) #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:686 #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+0x937 sys/kern/vfs_lookup.c:580 #11 namei+0x7c5 sys/kern/vfs_lookup.c:250 #12 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1887 #13 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8068bff440) #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:686 #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+0x937 sys/kern/vfs_lookup.c:580 #10 namei+0x7c5 sys/kern/vfs_lookup.c:250 #11 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1887 #12 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #12 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #13 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83ac9940) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 syscall+0xaf4 mi_syscall sys/sys/syscall_mi.h:175 [inline] #1 syscall+0xaf4 sys/arch/amd64/amd64/trap.c:783 #2 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11065 12104K 12501K 166960K 12514 0 pcb 17 12K 12K 166960K 80 0 rtable 269 8K 9K 166960K 496 0 pf 37 18K 24K 166960K 124 0 ifaddr 42 7K 7K 166960K 55 0 ifgroup 55 2K 2K 166960K 77 0 sysctl 4 1K 9K 166960K 10 0 counters 70 37K 37K 166960K 90 0 ioctlops 0 0K 4K 166960K 1603 0 iov 0 0K 16K 166960K 62 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1301 82K 82K 166960K 1684 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 20K 20K 166960K 15 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 33 0 dirhash 12 2K 2K 166960K 15 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 16 57K 93K 166960K 643 0 sigio 0 0K 0K 166960K 22 0 proc 72 115K 164K 166960K 565 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 138 0 in_multi 95 7K 7K 166960K 141 0 ether_multi 1 0K 0K 166960K 2 0 mrt 1 0K 0K 166960K 20 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 85 387K 387K 166960K 85 0 exec 0 0K 1K 166960K 501 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 242 143K 169K 166960K 7591 0 UVM aobj 15 4K 4K 166960K 15 0 pinsyscall 40 80K 100K 166960K 1830 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 5 0 NDP 12 0K 1K 166960K 36 0 temp 62 9104K 9180K 166960K 21081 0 kqueue 14 22K 28K 166960K 115 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 120 135 0 132 1 0 1 1 0 8 0 rtentry 176 129 0 8 6 0 6 6 0 8 0 unpcb 144 514 0 495 8 6 2 6 0 8 1 syncache 336 6 0 6 2 2 0 1 0 8 0 tcpqe 32 1 0 1 1 1 0 1 0 8 0 tcpcb 736 157 0 151 4 3 1 4 0 8 0 arp 136 31 0 0 2 0 2 2 0 8 0 inpcb 328 452 0 443 4 2 2 4 0 8 0 nd6 152 25 0 2 1 0 1 1 0 8 0 pkpcb 40 3 0 3 1 1 0 1 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1192 8 0 8 2 2 0 1 0 8 0 pfstscr 40 7 0 5 1 0 1 1 0 8 0 pffrag 232 3 0 1 1 0 1 1 0 482 0 pffrnode 88 3 0 1 1 0 1 1 0 8 0 pffrent 40 6 0 4 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 pfrktable 1344 4 0 4 1 1 0 1 0 8 0 pfanchor 1288 3 0 0 1 0 1 1 0 8 0 pftag 88 6 0 2 1 0 1 1 0 8 0 pfstitem 24 50 0 13 1 0 1 1 0 8 0 pfstkey 128 55 0 18 2 0 2 2 0 8 0 pfstate 448 52 0 16 5 0 5 5 0 8 0 pfrule 1360 53 0 47 2 0 2 2 0 8 0 rttmr 136 1 0 1 1 0 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 511 0 53 31 0 31 31 0 8 2 art_table 40 512 0 53 5 0 5 5 0 8 0 art_node 32 129 0 30 1 0 1 1 0 8 0 sysvmsgpl 40 8 0 4 1 0 1 1 0 8 0 semapl 112 31 0 21 1 0 1 1 0 8 0 shmpl 112 12 0 0 1 0 1 1 0 8 0 dirhash 1024 19 0 2 3 0 3 3 0 8 0 dino2pl 256 2413 0 944 93 0 93 93 0 8 0 ffsino 296 2414 0 945 114 0 114 114 0 8 0 nchpl 144 3336 0 1623 64 0 64 64 0 8 0 rtmask 32 2 0 2 1 1 0 1 0 8 0 vnodes 216 2685 0 0 150 0 150 150 0 8 0 namei 1024 10222 0 10222 3 2 1 2 0 8 1 percpumem 16 60 0 10 1 0 1 1 0 8 0 kstatmem 264 43 0 16 4 2 2 3 0 8 0 scxspl 216 32145 0 32145 11 10 1 8 1 8 1 plimitpl 152 76 0 58 1 0 1 1 0 8 0 sigapl 424 968 0 922 7 1 6 7 0 8 0 knotepl 120 308 0 0 10 0 10 10 0 8 0 kqueuepl 224 233 0 222 5 4 1 5 0 8 0 pipepl 344 172 0 143 3 0 3 3 0 8 0 fdescpl 528 951 0 922 3 0 3 3 0 8 0 filepl 160 4727 0 4496 17 6 11 15 0 8 1 lockfpl 104 160 0 158 1 0 1 1 0 8 0 lockfspl 48 70 0 68 1 0 1 1 0 8 0 sessionpl 144 45 0 35 1 0 1 1 0 8 0 pgrppl 48 55 0 37 1 0 1 1 0 8 0 ucredpl 104 566 0 551 1 0 1 1 0 8 0 zombiepl 144 923 0 922 1 0 1 1 0 8 0 processpl 1232 968 0 922 5 0 5 5 0 8 0 procpl 664 1702 0 1643 6 0 6 6 0 8 0 sosppl 176 2 0 2 1 1 0 1 0 8 0 sockpl 752 1117 0 1086 20 15 5 17 0 8 1 mcl64k 65536 7 0 0 1 0 1 1 0 8 0 mcl16k 16384 6 0 0 1 0 1 1 0 8 0 mcl12k 12288 3 0 0 1 0 1 1 0 8 0 mcl9k128 9344 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 5 0 0 1 0 1 1 0 8 0 mcl4k 4096 109 0 0 14 0 14 14 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 19 0 0 3 1 2 3 0 8 0 mtagpl 96 11 0 0 1 0 1 1 0 8 0 mbufpl 256 216 0 0 14 0 14 14 0 8 0 bufpl 280 14518 0 8390 439 0 439 439 0 8 0 anonpl 32 9100 0 0 74 0 74 74 0 246 0 amapchunkpl 152 24699 0 24165 34 1 33 34 0 158 6 amappl16 200 3331 0 3171 14 4 10 10 0 8 0 amappl15 192 27 0 27 1 1 0 1 0 8 0 amappl14 184 452 0 452 1 1 0 1 0 8 0 amappl13 176 131 0 119 1 0 1 1 0 8 0 amappl12 168 1205 0 1176 2 0 2 2 0 8 0 amappl11 160 7 0 7 1 1 0 1 0 8 0 amappl10 152 66 0 52 1 0 1 1 0 8 0 amappl9 144 284 0 283 1 0 1 1 0 8 0 amappl8 136 105 0 102 1 0 1 1 0 8 0 amappl7 128 156 0 143 1 0 1 1 0 8 0 amappl6 120 161 0 160 1 0 1 1 0 8 0 amappl5 112 98 0 87 1 0 1 1 0 8 0 amappl4 104 304 0 284 1 0 1 1 0 8 0 amappl3 96 4849 0 4732 4 0 4 4 0 8 0 amappl2 88 573 0 510 2 0 2 2 0 8 0 amappl1 80 12892 0 12300 17 3 14 16 0 8 0 amappl 88 6769 0 6595 5 0 5 5 0 92 0 uvmvnodes 80 117 0 0 3 0 3 3 0 8 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma1024 1024 2 0 1 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 14 0 0 1 0 1 1 0 8 0 uaddrrnd 24 951 0 922 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 951 0 922 1 0 1 1 0 8 0 vmmpekpl 168 9473 0 9429 3 0 3 3 0 8 0 vmmpepl 168 68773 0 66765 106 5 101 101 0 357 6 vmsppl 488 950 0 922 5 1 4 5 0 8 0 rwobjpl 80 21655 0 20446 29 1 28 28 0 8 0 pdppl 4096 1909 0 1844 115 46 69 85 0 8 4 pvpl 32 20276 0 0 166 2 164 164 0 265 0 pmappl 256 950 0 922 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 299 0 56 8 0 8 8 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace ffs_blkfree(fffffd806ee863c8,fd98,4000) at ffs_blkfree+0x254 ffs_cgread sys/ufs/ffs/ffs_alloc.c:856 [inline] ffs_blkfree(fffffd806ee863c8,fd98,4000) at ffs_blkfree+0x254 sys/ufs/ffs/ffs_alloc.c:1272 ffs_indirtrunc(fffffd806ee863c8,fffffffffdfff7f3,3f640,ffffffffffffffff,1,ffff80002a360308) at ffs_indirtrunc+0x7ca sys/ufs/ffs/ffs_inode.c:-1 ffs_indirtrunc(fffffd806ee863c8,ffffffffffbff7f2,3f620,ffffffffffffffff,2,ffff80002a360508) at ffs_indirtrunc+0x730 sys/ufs/ffs/ffs_inode.c:499 ffs_truncate(fffffd806ee863c8,0,0,ffffffffffffffff) at ffs_truncate+0x103f sys/ufs/ffs/ffs_inode.c:297 ufs_inactive(ffff80002a360660) at ufs_inactive+0x202 sys/ufs/ufs/ufs_inode.c:84 VOP_INACTIVE(fffffd8067641cd0,ffff8000fffee2b0) at VOP_INACTIVE+0x104 sys/kern/vfs_vops.c:498 vput(fffffd8067641cd0) at vput+0xe5 sys/kern/vfs_subr.c:789 VOP_REMOVE(fffffd8067641388,fffffd8067641cd0,ffff80002a3607c8) at VOP_REMOVE+0x199 sys/kern/vfs_vops.c:336 dounlinkat(ffff8000fffee2b0,ffffff9c,75877a6f0ce0,0) at dounlinkat+0x1c4 sys/kern/vfs_syscalls.c:1923 syscall(ffff80002a360940) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a360940) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x75877a6f1190, count: -11 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff80002999dff0) 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 acpicpu_idle() at acpicpu_idle+0x457 sys/dev/acpi/acpicpu_x86.c:1224 sched_idle(ffff80002999dff0) at sched_idle+0x371 sys/kern/kern_sched.c:192 end trace frame: 0x0, count: 10 ddb{1}> trace x86_ipi_db(ffff80002999dff0) 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 acpicpu_idle() at acpicpu_idle+0x457 sys/dev/acpi/acpicpu_x86.c:1224 sched_idle(ffff80002999dff0) at sched_idle+0x371 sys/kern/kern_sched.c:192 end trace frame: 0x0, count: -5