panic: pledge_namei: ni_pledge Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *316889 98156 0 0x502000 0x4080000 0K syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833f7d9e) at panic+0x1e5 sys/kern/subr_prf.c:198 pledge_namei(ffff80003a808d18,ffff80003a801468,ffff80002a263c00) at pledge_namei+0xb76 namei(ffff80003a801468) at namei+0x434 sys/kern/vfs_lookup.c:202 vn_open(ffff80003a801468,a,0) at vn_open+0x15a sys/kern/vfs_vnops.c:140 sys_acct(ffff80003a808d18,ffff80003a801640,ffff80003a801590) at sys_acct+0xb9 sys/kern/kern_acct.c:121 syscall(ffff80003a801640) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003a801640) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x4672fd467a0, count: 7 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: pledge_namei: ni_pledge ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833f7d9e) at panic+0x1e5 sys/kern/subr_prf.c:198 pledge_namei(ffff80003a808d18,ffff80003a801468,ffff80002a263c00) at pledge_namei+0xb76 namei(ffff80003a801468) at namei+0x434 sys/kern/vfs_lookup.c:202 vn_open(ffff80003a801468,a,0) at vn_open+0x15a sys/kern/vfs_vnops.c:140 sys_acct(ffff80003a808d18,ffff80003a801640,ffff80003a801590) at sys_acct+0xb9 sys/kern/kern_acct.c:121 syscall(ffff80003a801640) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003a801640) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x4672fd467a0, count: -8 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80003a800d60 rbx 0xffffffff837dcddf cpu_info_full_primary+0x2ddf rdx 0xffff80000144eb80 rcx 0xffff80003a808d18 rax 0xffffffff837dbff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x46654da76b6cbb96 r11 0xc1785b85207ca091 r12 0xffffffff837dcbe0 cpu_info_full_primary+0x2be0 r13 0 r14 0 r15 0x1 rip 0xffffffff81320f65 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003a800d50 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=316889 pid=98156 tcnt=3 stat=onproc flags process=502000 proc=4080000 runpri=86, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff80003a808fb0 scnt=1 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003a808550,0xffff80003a808fc0 process=0xffff80003c426b70 user=0xffff80003a7fc000, vmspace=0xfffffd800e717d78 estcpu=36, cpticks=105, pctcpu=0.84, user=0, sys=105, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 4817 156592 24081 0 2 0 syz-executor 4817 345099 24081 0 3 0x4000080 fsleep syz-executor 53930 70265 51252 0 2 0 syz-executor 53930 295395 51252 0 3 0x4000080 fsleep syz-executor 53930 134886 51252 0 2 0x4000000 syz-executor 99360 177978 38193 0 2 0 syz-executor 99360 429324 38193 0 2 0x4000000 syz-executor 47170 34227 12731 -1 3 0x1000090 nanoslp syz-executor 47170 416883 12731 -1 3 0x5000090 sbwait syz-executor 47170 383892 12731 -1 3 0x5000090 fsleep syz-executor 95352 320339 53890 60929 3 0x90 nanoslp syz-executor 95352 476135 53890 60929 3 0x4000090 ttyin syz-executor 95352 364656 53890 60929 3 0x4000090 fsleep syz-executor 98156 234718 62006 0 4 0x582000 syz-executor *98156 316889 62006 0 7 0x4582000 syz-executor 98156 200597 62006 0 3 0x4502000 suspend syz-executor 12731 69375 36410 0 3 0x82 nanoslp syz-executor 61472 371573 0 0 3 0x14200 acct acct 71081 419642 1 0 3 0x100083 ttyin getty 74609 239768 36410 0 3 0x82 wait syz-executor 38193 491334 36410 0 3 0x82 nanoslp syz-executor 53890 72910 36410 0 3 0x82 nanoslp syz-executor 24081 78609 36410 0 3 0x82 nanoslp syz-executor 63640 56681 36410 0 3 0x82 wait syz-executor 62006 514908 36410 0 3 0x82 nanoslp syz-executor 51252 185447 36410 0 3 0x82 nanoslp syz-executor 36410 312350 60545 0 3 0x82 kqread syz-executor 60545 284431 31462 0 3 0x10008a sigsusp ksh 31462 391930 83681 0 3 0x98 kqread sshd-session 83681 237861 75035 0 3 0x92 kqread sshd-session 75035 20878 1 0 3 0x88 kqread sshd 65560 439819 39220 74 3 0x1100092 bpf pflogd 39220 370591 1 0 3 0x80 sbwait pflogd 64144 10956 65502 73 3 0x1100090 kqread syslogd 65502 479911 1 0 3 0x100082 sbwait syslogd 4144 273504 1 0 3 0x100080 kqread resolvd 26295 86216 90594 77 3 0x100092 kqread dhcpleased 10333 319632 90594 77 3 0x100092 kqread dhcpleased 90594 509874 1 0 3 0x80 kqread dhcpleased 14502 273855 0 0 3 0x14200 bored smr 37809 263439 0 0 2 0x14200 zerothread 83027 29974 0 0 3 0x14200 aiodoned aiodoned 37685 431448 0 0 3 0x14200 syncer update 55296 275069 0 0 3 0x14200 cleaner cleaner 56940 20388 0 0 3 0x14200 reaper reaper 75726 491404 0 0 3 0x14200 pgdaemon pagedaemon 10344 454452 0 0 3 0x14200 bored viomb 31720 172960 0 0 3 0x40014200 acpi0 acpi0 82250 510361 0 0 3 0x40014200 idle1 92333 180798 0 0 3 0x14200 bored softnet1 79240 99457 0 0 3 0x14200 bored softnet0 43621 332521 0 0 3 0x14200 bored systqmp 52096 167698 0 0 3 0x14200 bored systq 37639 250277 0 0 3 0x14200 tmoslp softclockmp 9574 55508 0 0 3 0x40014200 tmoslp softclock 62301 408319 0 0 3 0x40014200 idle0 1 272228 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{0}> show all locks CPU 1: exclusive mutex &(curpg)->mdpage.pv_mtx r = 0 (0xfffffd800803ad48) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 mtx_enter_try+0x1ad sys/kern/kern_lock.c:311 #2 mtx_enter+0x62 sys/kern/kern_lock.c:261 #3 pmap_remove_ptes+0x29f pmap_remove_pv sys/arch/amd64/amd64/pmap.c:-1 [inline] #3 pmap_remove_ptes+0x29f sys/arch/amd64/amd64/pmap.c:1711 #4 pmap_do_remove+0x589 sys/arch/amd64/amd64/pmap.c:1920 #5 uvm_unmap_kill_entry_withlock+0x269 sys/uvm/uvm_map.c:1863 #6 uvm_map_teardown+0x117 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:-1 [inline] #6 uvm_map_teardown+0x117 sys/uvm/uvm_map.c:2486 #7 exit1+0x6fc sys/kern/kern_exit.c:260 #8 sys_exit+0x1a sys/kern/kern_exit.c:-1 #9 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #9 syscall+0xb17 sys/arch/amd64/amd64/trap.c:765 #10 Xsyscall+0x128 exclusive mutex &pmap->pm_mtx r = 0 (0xfffffd806c0a3710) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 mtx_enter_try+0x1ad sys/kern/kern_lock.c:311 #2 mtx_enter+0x62 sys/kern/kern_lock.c:261 #3 pmap_do_remove+0xa9 rcr3 sys/arch/amd64/compile/SYZKALLER/obj/machine/cpufunc.h:139 [inline] #3 pmap_do_remove+0xa9 pmap_map_ptes sys/arch/amd64/amd64/pmap.c:437 [inline] #3 pmap_do_remove+0xa9 sys/arch/amd64/amd64/pmap.c:1824 #4 uvm_unmap_kill_entry_withlock+0x269 sys/uvm/uvm_map.c:1863 #5 uvm_map_teardown+0x117 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:-1 [inline] #5 uvm_map_teardown+0x117 sys/uvm/uvm_map.c:2486 #6 exit1+0x6fc sys/kern/kern_exit.c:260 #7 sys_exit+0x1a sys/kern/kern_exit.c:-1 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:765 #9 Xsyscall+0x128 Process 98156 (syz-executor) thread 0xffff80003a808d18 (316889) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff838e3758) #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 pool_get+0x27e sys/kern/subr_pool.c:591 #3 namei+0xdf sys/kern/vfs_lookup.c:145 #4 vn_open+0x15a sys/kern/vfs_vnops.c:140 #5 sys_acct+0xb9 sys/kern/kern_acct.c:121 #6 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xb17 sys/arch/amd64/amd64/trap.c:765 #7 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10207 11099K 11353K 166960K 11497 0 pcb 17 12K 12K 166960K 60 0 rtable 227 9K 9K 166960K 434 0 pf 36 17K 21K 166960K 63 0 ifaddr 40 6K 7K 166960K 63 0 ifgroup 59 2K 2K 166960K 83 0 sysctl 3 1K 9K 166960K 8 0 counters 70 37K 37K 166960K 92 0 ioctlops 0 0K 4K 166960K 1513 0 iov 0 0K 12K 166960K 10 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1338 84K 85K 166960K 1501 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 4 0 VM map 2 1K 1K 166960K 2 0 sem 8 0K 0K 166960K 8 0 dirhash 12 2K 2K 166960K 21 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 228K 166960K 337 0 sigio 0 0K 0K 166960K 7 0 proc 72 115K 147K 166960K 581 0 subproc 72 4K 4K 166960K 81 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 21 0 in_multi 87 6K 7K 166960K 132 0 ether_multi 1 0K 0K 166960K 5 0 mrt 0 0K 0K 166960K 5 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 61 281K 281K 166960K 61 0 exec 0 0K 1K 166960K 405 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 265 168K 176K 166960K 4822 0 UVM aobj 8 2K 2K 166960K 8 0 pinsyscall 42 84K 102K 166960K 1478 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 10 0 NDP 13 0K 2K 166960K 37 0 temp 42 8647K 8714K 166960K 12984 0 kqueue 13 20K 26K 166960K 51 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 52 0 47 1 0 1 1 0 8 0 rtentry 176 129 0 35 6 0 6 6 0 8 0 unpcb 144 125 0 106 2 0 2 2 0 8 1 syncache 336 3 0 3 1 1 0 1 0 8 0 tcpcb 736 38 0 32 1 0 1 1 0 8 0 arp 136 21 0 6 1 0 1 1 0 8 0 inpcb 328 323 0 314 6 0 6 6 0 8 5 nd6 152 27 0 6 1 0 1 1 0 8 0 pkpcb 40 7 0 7 2 1 1 1 0 8 1 kcovpl 48 9 0 1 1 0 1 1 0 8 0 ppxss 1192 6 0 6 1 0 1 1 0 8 1 pppxif 1504 3 0 3 1 0 1 1 0 8 1 pffrag 232 1 0 1 1 1 0 1 0 482 0 pffrnode 88 1 0 1 1 1 0 1 0 8 0 pffrent 40 2 0 2 1 1 0 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 pfstitem 24 36 0 1 1 0 1 1 0 8 0 pfstkey 128 36 0 1 2 0 2 2 0 8 0 pfstate 384 36 0 1 4 0 4 4 0 8 0 pfrule 1344 22 0 17 2 1 1 2 0 8 0 rttmr 136 1 0 1 1 0 1 1 0 8 1 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 572 0 164 29 1 28 29 0 8 0 art_table 40 574 0 164 5 0 5 5 0 8 0 art_node 32 129 0 44 1 0 1 1 0 8 0 sysvmsgpl 40 2 0 1 1 0 1 1 0 8 0 semapl 112 6 0 0 1 0 1 1 0 8 0 shmpl 112 5 0 0 1 0 1 1 0 8 0 dirhash 1024 24 0 7 3 0 3 3 0 8 0 dino2pl 256 1921 0 404 96 0 96 96 0 8 0 ffsino 296 1921 0 404 118 0 118 118 0 8 0 nchpl 144 2360 0 653 64 0 64 64 0 8 0 rtmask 32 1 0 1 1 1 0 1 0 8 0 vnodes 216 2075 0 0 116 0 116 116 0 8 0 namei 1024 7417 0 7415 4 3 1 2 0 8 0 percpumem 16 61 0 11 1 0 1 1 0 8 0 kstatmem 264 42 0 12 3 0 3 3 0 8 0 scsiplug 72 1 0 1 1 0 1 1 0 8 1 scxspl 216 10076 0 10076 10 2 8 8 1 8 8 plimitpl 152 53 0 33 1 0 1 1 0 8 0 sigapl 424 633 0 584 7 1 6 7 0 8 0 knotepl 120 479 0 0 15 0 15 15 0 8 0 kqueuepl 224 69 0 60 1 0 1 1 0 8 0 pipepl 344 201 0 174 9 0 9 9 0 8 6 fdescpl 528 615 0 584 3 0 3 3 0 8 0 filepl 160 2823 0 2598 15 0 15 15 0 8 4 lockfpl 104 60 0 58 1 0 1 1 0 8 0 lockfspl 48 26 0 24 1 0 1 1 0 8 0 sessionpl 144 24 0 15 1 0 1 1 0 8 0 pgrppl 48 33 0 16 1 0 1 1 0 8 0 ucredpl 104 312 0 296 1 0 1 1 0 8 0 zombiepl 144 677 0 675 2 1 1 1 0 8 0 processpl 1232 633 0 584 5 0 5 5 0 8 0 procpl 664 952 0 893 6 0 6 6 0 8 0 sosppl 176 3 0 3 1 0 1 1 0 8 1 sockpl 752 517 0 484 12 2 10 10 0 8 6 mcl64k 65536 4 0 0 1 0 1 1 0 8 0 mcl16k 16384 5 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 126 0 0 16 0 16 16 0 8 0 mcl2k 2048 27 0 0 4 0 4 4 0 8 0 mtagpl 96 5 0 0 1 0 1 1 0 8 0 mbufpl 256 170 0 0 11 0 11 11 0 8 0 bufpl 280 3817 0 131 264 0 264 264 0 8 0 anonpl 32 9616 0 0 79 1 78 79 0 246 0 amapchunkpl 152 14284 0 13724 26 0 26 26 0 158 4 amappl16 200 2379 0 2111 20 3 17 17 0 8 0 amappl15 192 3 0 3 1 1 0 1 0 8 0 amappl14 184 11 0 11 1 1 0 1 0 8 0 amappl13 176 441 0 440 1 0 1 1 0 8 0 amappl12 168 981 0 938 3 0 3 3 0 8 0 amappl11 160 17 0 17 1 1 0 1 0 8 0 amappl10 152 53 0 38 1 0 1 1 0 8 0 amappl9 144 274 0 274 1 1 0 1 0 8 0 amappl8 136 40 0 38 1 0 1 1 0 8 0 amappl7 128 88 0 87 1 0 1 1 0 8 0 amappl6 120 291 0 278 1 0 1 1 0 8 0 amappl5 112 87 0 77 1 0 1 1 0 8 0 amappl4 104 429 0 398 1 0 1 1 0 8 0 amappl3 96 2368 0 2265 3 0 3 3 0 8 0 amappl2 88 747 0 669 2 0 2 2 0 8 0 amappl1 80 9891 0 9290 15 2 13 15 0 8 0 amappl 88 4041 0 3855 5 0 5 5 0 92 0 uvmvnodes 80 2075 0 0 43 0 43 43 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 7 0 0 1 0 1 1 0 8 0 uaddrrnd 24 615 0 583 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 615 0 583 1 0 1 1 0 8 0 vmmpekpl 168 6983 0 6941 3 0 3 3 0 8 0 vmmpepl 168 46971 0 44743 99 0 99 99 0 357 0 vmsppl 488 614 0 583 5 0 5 5 0 8 0 rwobjpl 80 17967 0 14691 67 0 67 67 0 8 0 pdppl 4096 1238 0 1166 102 28 74 84 0 8 2 pvpl 32 18156 0 0 147 0 147 147 0 265 0 pmappl 256 614 0 583 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 278 0 35 8 0 8 8 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(ffffffff833f7d9e) at panic+0x1e5 sys/kern/subr_prf.c:198 pledge_namei(ffff80003a808d18,ffff80003a801468,ffff80002a263c00) at pledge_namei+0xb76 namei(ffff80003a801468) at namei+0x434 sys/kern/vfs_lookup.c:202 vn_open(ffff80003a801468,a,0) at vn_open+0x15a sys/kern/vfs_vnops.c:140 sys_acct(ffff80003a808d18,ffff80003a801640,ffff80003a801590) at sys_acct+0xb9 sys/kern/kern_acct.c:121 syscall(ffff80003a801640) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003a801640) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x4672fd467a0, count: -8 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 pmap_remove_ptes(fffffd806c0a3700,fffffd8007ff3cd8,7f9000002c00,200000580000,200000590000,0,caba85172e9aa60e) at pmap_remove_ptes+0x14f _atomic_swap_64 sys/arch/amd64/compile/SYZKALLER/obj/machine/atomic.h:117 [inline] pmap_remove_ptes(fffffd806c0a3700,fffffd8007ff3cd8,7f9000002c00,200000580000,200000590000,0,caba85172e9aa60e) at pmap_remove_ptes+0x14f sys/arch/amd64/amd64/pmap.c:1677 pmap_do_remove(fffffd806c0a3700,200000580000,200000590000,0) at pmap_do_remove+0x589 sys/arch/amd64/amd64/pmap.c:1920 uvm_unmap_kill_entry_withlock(fffffd800e7173f0,fffffd8068f46b30,0) at uvm_unmap_kill_entry_withlock+0x269 sys/uvm/uvm_map.c:1863 uvm_map_teardown(fffffd800e7173f0) at uvm_map_teardown+0x117 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:-1 [inline] uvm_map_teardown(fffffd800e7173f0) at uvm_map_teardown+0x117 sys/uvm/uvm_map.c:2486 exit1(ffff80003c422a88,0,0,1) at exit1+0x6fc sys/kern/kern_exit.c:260 sys_exit(ffff80003c422a88,ffff80003a7f3020,ffff80003a7f2f70) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003a7f3020) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003a7f3020) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x76338dc702c0, count: 4 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 pmap_remove_ptes(fffffd806c0a3700,fffffd8007ff3cd8,7f9000002c00,200000580000,200000590000,0,caba85172e9aa60e) at pmap_remove_ptes+0x14f _atomic_swap_64 sys/arch/amd64/compile/SYZKALLER/obj/machine/atomic.h:117 [inline] pmap_remove_ptes(fffffd806c0a3700,fffffd8007ff3cd8,7f9000002c00,200000580000,200000590000,0,caba85172e9aa60e) at pmap_remove_ptes+0x14f sys/arch/amd64/amd64/pmap.c:1677 pmap_do_remove(fffffd806c0a3700,200000580000,200000590000,0) at pmap_do_remove+0x589 sys/arch/amd64/amd64/pmap.c:1920 uvm_unmap_kill_entry_withlock(fffffd800e7173f0,fffffd8068f46b30,0) at uvm_unmap_kill_entry_withlock+0x269 sys/uvm/uvm_map.c:1863 uvm_map_teardown(fffffd800e7173f0) at uvm_map_teardown+0x117 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:-1 [inline] uvm_map_teardown(fffffd800e7173f0) at uvm_map_teardown+0x117 sys/uvm/uvm_map.c:2486 exit1(ffff80003c422a88,0,0,1) at exit1+0x6fc sys/kern/kern_exit.c:260 sys_exit(ffff80003c422a88,ffff80003a7f3020,ffff80003a7f2f70) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003a7f3020) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003a7f3020) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x76338dc702c0, count: -11