*cpu0: uvm_fault(0xfffffd8062d345f0, 0x0, 0, 1) -> e ddb{1}> trace proc_trampoline() at proc_trampoline+0xc7 end of kernel end trace frame: 0x6f8be37fb7d0, count: -1 ddb{1}> show registers rdi 0 rsi 0 rbp 0xffff8000313e1b70 rbx 0 rdx 0 rcx 0xffff80003b008d38 rax 0x2a r8 0xffff8000313e1aa0 r9 0x1 r10 0x22422689ff45e5ed r11 0xd7979f25fb963ce r12 0 r13 0xffffffff817c7c88 Xdoreti+0x18 r14 0 r15 0 rip 0xffffffff81fda4c7 proc_trampoline+0xc7 cs 0x8 rflags 0x246 rsp 0xffff8000313e1af0 ss 0 proc_trampoline+0xc7: movl $0,%gs:0x688 ddb{1}> show proc PROC (syz-executor) tid=498422 pid=40464 tcnt=4 stat=onproc flags process=0 proc=0 runpri=50, usrpri=50, slppri=36, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003b008808,0xffff80003b009cd8 process=0xffff8000ffff7028 user=0xffff8000313dc000, vmspace=0xfffffd8062d345f0 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND *40464 498422 57996 0 7 0 syz-executor 40464 57514 57996 0 3 0x4000080 fsleep syz-executor 40464 276562 57996 0 7 0x4000000 syz-executor 40464 424758 57996 0 3 0x4000080 fsleep syz-executor 99035 333063 96041 0 3 0x80 nanoslp syz-executor 99035 74262 96041 0 3 0x4000000 inode syz-executor 99035 334251 96041 0 3 0x4000000 biowait syz-executor 99035 489541 96041 0 3 0x4000000 inode syz-executor 99035 87249 96041 0 3 0x4000080 fsleep syz-executor 18002 195027 26950 0 3 0x3000 suspend syz-executor 18002 310403 26950 0 2 0x4081000 syz-executor 31817 153536 47355 0 3 0x3000 suspend syz-executor 31817 11016 47355 0 3 0x4081000 biowait syz-executor 94474 77800 73083 0 3 0x82 wait syz-executor 83680 41210 0 0 3 0x14200 acct acct 31676 410843 73083 0 3 0x82 wait syz-executor 57996 318533 73083 0 3 0x82 nanoslp syz-executor 86873 80748 1 0 3 0x100083 ttyopn getty 4986 496548 0 0 3 0x14280 nfsidl nfsio 2807 471870 0 0 3 0x14280 nfsidl nfsio 25094 298556 0 0 3 0x14280 nfsidl nfsio 30916 520799 0 0 3 0x14280 nfsidl nfsio 75992 9389 0 0 3 0x14280 nfsidl nfsio 88327 139578 0 0 3 0x14280 nfsidl nfsio 88594 367822 0 0 3 0x14280 nfsidl nfsio 17195 340534 0 0 3 0x14280 nfsidl nfsio 68278 313888 0 0 3 0x14280 nfsidl nfsio 8747 172085 0 0 3 0x14280 nfsidl nfsio 88191 467290 0 0 3 0x14280 nfsidl nfsio 78762 356521 0 0 3 0x14280 nfsidl nfsio 14841 113900 0 0 3 0x14280 nfsidl nfsio 37655 474325 0 0 3 0x14280 nfsidl nfsio 58120 291753 0 0 3 0x14280 nfsidl nfsio 68966 164807 0 0 3 0x14280 nfsidl nfsio 8088 254027 0 0 3 0x14280 nfsidl nfsio 38322 451348 0 0 3 0x14280 nfsidl nfsio 42763 326858 0 0 3 0x14280 nfsidl nfsio 80241 55989 0 0 3 0x14280 nfsidl nfsio 96041 20818 73083 0 3 0x82 nanoslp syz-executor 35943 378625 73083 0 3 0x82 nanoslp syz-executor 35226 278604 73083 0 3 0x82 wait syz-executor 26950 234567 73083 0 3 0x82 nanoslp syz-executor 47355 475053 73083 0 3 0x82 nanoslp syz-executor 73083 190511 49470 0 3 0x82 kqread syz-executor 49470 139621 4596 0 3 0x10008a sigsusp ksh 4596 306176 3212 0 3 0x98 kqread sshd-session 3212 68043 54900 0 3 0x92 kqread sshd-session 54900 341137 1 0 3 0x88 kqread sshd 99752 52000 1202 74 3 0x1100092 bpf pflogd 1202 129937 1 0 3 0x80 sbwait pflogd 3124 183764 24793 73 3 0x1100090 kqread syslogd 24793 380223 1 0 3 0x100082 sbwait syslogd 84353 111656 1 0 3 0x100080 kqread resolvd 64475 217347 84608 77 3 0x100092 kqread dhcpleased 99200 229549 84608 77 3 0x100092 kqread dhcpleased 84608 155958 1 0 3 0x80 kqread dhcpleased 20195 485162 0 0 3 0x14200 bored smr 90225 402782 0 0 3 0x14200 pgzero zerothread 9075 310689 0 0 3 0x14200 aiodoned aiodoned 63163 57680 0 0 3 0x14200 syncer update 98262 423217 0 0 3 0x14200 cleaner cleaner 43355 39461 0 0 3 0x14200 reaper reaper 20876 515857 0 0 3 0x14200 pgdaemon pagedaemon 69818 261588 0 0 3 0x14200 bored viomb 25621 319167 0 0 3 0x40014200 acpi0 acpi0 22285 3644 0 0 3 0x40014200 idle1 58686 300105 0 0 3 0x14200 bored softnet1 17453 510073 0 0 3 0x14200 bored softnet0 55344 285590 0 0 3 0x14200 bored systqmp 55251 342855 0 0 3 0x14200 bored systq 29816 351482 0 0 3 0x14200 tmoslp softclockmp 24347 60317 0 0 3 0x40014200 tmoslp softclock 89131 497395 0 0 3 0x40014200 idle0 1 301532 0 0 3 0x80082 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{1}> show all locks Process 40464 (syz-executor) thread 0xffff80003b008040 (276562) exclusive rwlock dtlk r = 0 (0xffffffff837d43f8) #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 dt_ioctl_record_stop+0x2e sys/dev/dt/dt_dev.c:572 #3 dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] #3 dtclose+0x109 sys/dev/dt/dt_dev.c:239 #4 spec_close+0x466 sys/kern/spec_vnops.c:-1 #5 VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 #6 vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] #6 vn_closefile+0x12b sys/kern/vfs_vnops.c:615 #7 fdrop+0x121 sys/kern/kern_descrip.c:1280 #8 closef+0x192 sys/kern/kern_descrip.c:1264 #9 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #9 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 #10 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff839cf8c0) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 vn_closefile+0x41 sys/kern/vfs_vnops.c:608 #2 fdrop+0x121 sys/kern/kern_descrip.c:1280 #3 closef+0x192 sys/kern/kern_descrip.c:1264 #4 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #4 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 #5 Xsyscall+0x128 Process 99035 (syz-executor) thread 0xffff80003b008570 (74262) exclusive rrwlock inode r = 0 (0xfffffd80600d6210) #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 vn_open+0x1f1 sys/kern/vfs_vnops.c:107 #8 doopenat+0x35b sys/kern/vfs_syscalls.c:1138 #9 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #9 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 #10 Xsyscall+0x128 Process 99035 (syz-executor) thread 0xffff80003c4614f8 (334251) exclusive rrwlock inode r = 0 (0xfffffd80600d6da0) #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:765 #9 Xsyscall+0x128 Process 18002 (syz-executor) thread 0xffff80003b009798 (310403) exclusive rrwlock inode r = 0 (0xfffffd806ea24678) #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:765 #9 Xsyscall+0x128 Process 31817 (syz-executor) thread 0xffff80003b009500 (11016) exclusive rrwlock inode r = 0 (0xfffffd806ea3a498) #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:765 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10261 11224K 12454K 166960K 15091 0 pcb 17 17K 19K 166960K 448 0 rtable 275 13K 13K 166960K 722 0 pf 44 19K 21K 166960K 204 0 ifaddr 49 9K 9K 166960K 149 0 ifgroup 69 3K 3K 166960K 252 0 sysctl 4 1K 9K 166960K 29 0 counters 74 37K 37K 166960K 392 0 ioctlops 0 0K 8K 166960K 2066 0 iov 0 0K 16K 166960K 177 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1493 94K 94K 166960K 3544 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 15 0 VM map 2 1K 1K 166960K 2 0 sem 19 17K 26K 166960K 184 0 dirhash 12 2K 2K 166960K 48 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 18 65K 240K 166960K 2078 0 sigio 0 0K 0K 166960K 116 0 proc 75 131K 164K 166960K 783 0 subproc 72 4K 4K 166960K 101 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 317 0 in_multi 101 7K 7K 166960K 233 0 ether_multi 1 0K 0K 166960K 30 0 mrt 1 0K 0K 166960K 25 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 253 1129K 1129K 166960K 253 0 exec 0 0K 1K 166960K 803 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 4 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 266 168K 183K 166960K 20769 0 UVM aobj 95 12K 12K 166960K 96 0 pinsyscall 43 86K 102K 166960K 3288 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 217 0 NDP 15 0K 2K 166960K 97 0 temp 77 8676K 8804K 166960K 87674 0 kqueue 13 20K 30K 166960K 377 0 SYN cache 2 8K 16K 166960K 3 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 120 190 0 187 2 1 1 2 0 8 0 rtentry 176 207 0 96 6 0 6 6 0 8 0 unpcb 144 1707 0 1685 21 18 3 10 0 8 2 syncache 336 8 0 8 4 4 0 1 0 8 0 tcpqe 32 1 0 1 1 1 0 1 0 8 0 tcpcb 736 733 0 728 23 16 7 7 0 8 6 arp 136 32 0 11 1 0 1 1 0 8 0 inpcb 328 2414 0 2405 33 26 7 12 0 8 5 nd6 152 39 0 11 2 0 2 2 0 8 0 pkpcb 40 15 0 15 8 7 1 1 0 8 1 kcovpl 48 11 0 3 1 0 1 1 0 8 0 mppekey 1024 1 0 1 1 1 0 1 0 8 0 ppxss 1192 137 0 136 3 2 1 1 0 8 0 pppxif 1504 10 0 10 5 4 1 1 0 8 1 pfstscr 40 1 0 1 1 1 0 1 0 8 0 pffrag 232 9 0 4 1 0 1 1 0 482 0 pffrnode 88 9 0 4 1 0 1 1 0 8 0 pffrent 40 13 0 8 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 1 0 1 1 1 0 1 0 8 0 pfstitem 24 135 0 79 1 0 1 1 0 8 0 pfstkey 128 136 0 80 3 0 3 3 0 8 0 pfstate 448 136 0 80 8 0 8 8 0 8 0 pfrule 1344 22 0 17 2 1 1 2 0 8 0 rttmr 136 5 0 5 4 4 0 1 0 8 0 art_heap8 4096 5 0 0 5 0 5 5 0 8 0 art_heap4 256 1047 0 584 41 10 31 31 0 8 0 art_table 40 1052 0 584 6 0 6 6 0 8 0 art_node 32 206 0 107 1 0 1 1 0 8 0 sysvmsgpl 40 17 0 9 1 0 1 1 0 8 0 semapl 112 174 0 157 1 0 1 1 0 8 0 shmpl 112 89 0 1 3 0 3 3 0 8 0 dirhash 1024 41 0 24 3 0 3 3 0 8 0 dino2pl 256 5364 0 3848 96 0 96 96 0 8 0 ffsino 296 5364 0 3848 118 0 118 118 0 8 0 nchpl 144 8262 0 6549 64 0 64 64 0 8 0 rtmask 32 20 0 20 5 5 0 1 0 8 0 vnodes 216 5926 0 0 330 0 330 330 0 8 0 namei 1024 29117 0 29115 3 2 1 2 0 8 0 percpumem 16 211 0 159 1 0 1 1 0 8 0 vcpupl 3968 4 0 0 1 0 1 1 0 8 0 vmpool 840 4 0 0 1 0 1 1 0 8 0 kstatmem 264 152 0 120 5 2 3 3 0 8 0 scsiplug 72 7 0 7 6 5 1 1 0 8 1 scxspl 216 42053 0 42051 16 15 1 8 1 8 0 plimitpl 152 575 0 554 1 0 1 1 0 8 0 sigapl 424 2392 0 2323 9 1 8 8 0 8 0 knotepl 120 872 0 0 25 0 25 25 0 8 0 kqueuepl 224 1012 0 1003 19 14 5 7 0 8 4 pipepl 344 444 0 417 15 12 3 9 0 8 0 fdescpl 528 2350 0 2318 3 0 3 3 0 8 0 filepl 160 16969 0 16674 43 25 18 20 0 8 5 lockfpl 104 1105 0 1103 2 1 1 2 0 8 0 lockfspl 48 397 0 395 1 0 1 1 0 8 0 sessionpl 144 31 0 22 1 0 1 1 0 8 0 pgrppl 48 95 0 78 1 0 1 1 0 8 0 ucredpl 104 2682 0 2668 1 0 1 1 0 8 0 zombiepl 144 3024 0 3018 3 2 1 1 0 8 0 processpl 1232 2392 0 2323 7 1 6 6 0 8 0 procpl 664 5853 0 5775 9 1 8 8 0 8 0 sosppl 176 20 0 20 4 3 1 1 0 8 1 sockpl 752 4442 0 4408 61 50 11 28 0 8 7 mcl64k 65536 18 0 0 3 0 3 3 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 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 135 0 0 17 0 17 17 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 81 0 0 7 0 7 7 0 8 0 mtagpl 96 225 0 0 5 0 5 5 0 8 0 mbufpl 256 1688 0 0 102 0 102 102 0 8 0 bufpl 280 15158 0 9020 439 0 439 439 0 8 0 anonpl 32 11248 0 0 92 0 92 92 0 246 1 amapchunkpl 152 72976 0 72412 66 39 27 35 0 158 4 amappl16 200 6377 0 5878 58 31 27 27 0 8 0 amappl15 192 22 0 22 1 1 0 1 0 8 0 amappl14 184 21 0 21 2 1 1 1 0 8 1 amappl13 176 463 0 462 1 0 1 1 0 8 0 amappl12 168 2741 0 2698 3 1 2 3 0 8 0 amappl11 160 4 0 4 1 1 0 1 0 8 0 amappl10 152 102 0 88 1 0 1 1 0 8 0 amappl9 144 254 0 254 1 1 0 1 0 8 0 amappl8 136 29 0 27 1 0 1 1 0 8 0 amappl7 128 103 0 101 1 0 1 1 0 8 0 amappl6 120 337 0 323 1 0 1 1 0 8 0 amappl5 112 79 0 68 1 0 1 1 0 8 0 amappl4 104 464 0 435 1 0 1 1 0 8 0 amappl3 96 12769 0 12666 4 1 3 3 0 8 0 amappl2 88 2485 0 2407 2 0 2 2 0 8 0 amappl1 80 18379 0 17777 15 1 14 15 0 8 0 amappl 88 19633 0 19447 5 0 5 5 0 92 0 uvmvnodes 80 180 0 0 4 0 4 4 0 8 0 dma8192 8192 1 0 1 1 0 1 1 0 8 1 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma1024 1024 2 0 1 1 0 1 1 0 8 0 dma512 512 2 0 2 2 2 0 1 0 8 0 dma256 256 6 0 6 1 1 0 1 0 8 0 dma128 128 257 0 257 5 5 0 1 0 8 0 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 19 0 18 1 0 1 1 0 8 0 aobjpl 72 95 0 1 2 0 2 2 0 8 0 uaddrrnd 24 2350 0 2318 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2350 0 2318 1 0 1 1 0 8 0 vmmpekpl 168 21546 0 21505 5 2 3 3 0 8 0 vmmpepl 168 153143 0 150658 133 24 109 109 0 357 0 vmsppl 488 2349 0 2318 8 3 5 5 0 8 0 rwobjpl 80 40329 0 38631 37 2 35 35 0 8 0 pdppl 4096 4716 0 4640 126 50 76 86 0 8 0 pvpl 32 20497 0 0 164 0 164 164 0 265 0 pmappl 256 2353 0 2318 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 450 0 87 11 0 11 11 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff837aaff0) 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(ffffffff839cf6b8) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff839cf6b8) at __mp_lock+0x1a3 sys/kern/kern_lock.c:165 scsi_xs_put(fffffd806c883440) at scsi_xs_put+0x51 scsi_iopool_put sys/scsi/scsi_base.c:270 [inline] scsi_xs_put(fffffd806c883440) at scsi_xs_put+0x51 scsi_io_put sys/scsi/scsi_base.c:499 [inline] scsi_xs_put(fffffd806c883440) at scsi_xs_put+0x51 sys/scsi/scsi_base.c:787 scsi_done(fffffd806c883440) at scsi_done+0x40 sys/scsi/scsi_base.c:1496 vioscsi_vq_done(ffff8000000a4268) at vioscsi_vq_done+0xe1 sys/dev/pv/vioscsi.c:-1 intr_handler(ffff800037ff3560,ffff80000006b400) at intr_handler+0x125 sys/arch/amd64/amd64/intr.c:564 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f Xspllower() at Xspllower+0x1d cnputc(75) at cnputc+0x67 sys/dev/cons.c:218 db_putchar(75) at db_putchar+0x36d sys/ddb/db_output.c:155 kprintf() at kprintf+0x29a5 sys/kern/subr_prf.c:-1 end trace frame: 0xffff800037ff38b0, count: 0 ddb{0}> trace x86_ipi_db(ffffffff837aaff0) 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(ffffffff839cf6b8) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff839cf6b8) at __mp_lock+0x1a3 sys/kern/kern_lock.c:165 scsi_xs_put(fffffd806c883440) at scsi_xs_put+0x51 scsi_iopool_put sys/scsi/scsi_base.c:270 [inline] scsi_xs_put(fffffd806c883440) at scsi_xs_put+0x51 scsi_io_put sys/scsi/scsi_base.c:499 [inline] scsi_xs_put(fffffd806c883440) at scsi_xs_put+0x51 sys/scsi/scsi_base.c:787 scsi_done(fffffd806c883440) at scsi_done+0x40 sys/scsi/scsi_base.c:1496 vioscsi_vq_done(ffff8000000a4268) at vioscsi_vq_done+0xe1 sys/dev/pv/vioscsi.c:-1 intr_handler(ffff800037ff3560,ffff80000006b400) at intr_handler+0x125 sys/arch/amd64/amd64/intr.c:564 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f Xspllower() at Xspllower+0x1d cnputc(75) at cnputc+0x67 sys/dev/cons.c:218 db_putchar(75) at db_putchar+0x36d sys/ddb/db_output.c:155 kprintf() at kprintf+0x29a5 sys/kern/subr_prf.c:-1 db_printf(ffffffff83343050) at db_printf+0x9b sys/kern/subr_prf.c:-1 fault(ffffffff83402413) at fault+0xa7 sys/arch/amd64/amd64/trap.c:161 kpageflttrap(ffff800037ff3a10,0) at kpageflttrap+0x37d sys/arch/amd64/amd64/trap.c:296 kerntrap(ffff800037ff3a10) at kerntrap+0x19c sys/arch/amd64/amd64/trap.c:510 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b dt_ioctl_record_stop(ffff8000016b5000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593 dtclose(21e5f,81,2000,ffff80003b008040) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(21e5f,81,2000,ffff80003b008040) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff800037ff3bc0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd8063728370,81,fffffd80097fd410,ffff80003b008040) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd805ec5bdb0,ffff80003b008040) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd805ec5bdb0,ffff80003b008040) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd805ec5bdb0,ffff80003b008040) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd805ec5bdb0,ffff80003b008040) at closef+0x192 sys/kern/kern_descrip.c:1264 syscall(ffff800037ff3e20) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800037ff3e20) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb444adb7400, count: -28 ddb{0}> machine ddbcpu 1 Stopped at proc_trampoline+0xc7: movl $0,%gs:0x688 proc_trampoline() at proc_trampoline+0xc7 end of kernel end trace frame: 0x6f8be37fb7d0, count: 14 ddb{1}> trace proc_trampoline() at proc_trampoline+0xc7 end of kernel end trace frame: 0x6f8be37fb7d0, count: -1