panic: pool_do_get: shmpl free list modified: page 0xfffffd8064032000; item addr 0xfffffd8064032e00; offset 0x40=0x68a85fce Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 385737 12357 32767 0x10 0x4000000 1 syz-executor *236162 58372 32767 0x10 0x4000000 0K syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff83362765) at panic+0x1e5 sys/kern/subr_prf.c:198 pool_do_get(ffffffff838886c0,1,ffff80003c4bf668) at pool_do_get+0x5df pool_get(ffffffff838886c0,1) at pool_get+0x162 sys/kern/subr_pool.c:-1 shmget_allocate_segment(ffff80003a058a88,ffff80003c4bf8c0,0,ffff80003c4bf810) at shmget_allocate_segment+0x1af sys/kern/sysv_shm.c:-1 sys_shmget(ffff80003a058a88,ffff80003c4bf8c0,ffff80003c4bf810) at sys_shmget+0x195 sys/kern/sysv_shm.c:482 syscall(ffff80003c4bf8c0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c4bf8c0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x1cd7140f590, 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: pool_do_get: shmpl free list modified: page 0xfffffd8064032000; item addr 0xfffffd8064032e00; offset 0x40=0x68a85fce ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff83362765) at panic+0x1e5 sys/kern/subr_prf.c:198 pool_do_get(ffffffff838886c0,1,ffff80003c4bf668) at pool_do_get+0x5df pool_get(ffffffff838886c0,1) at pool_get+0x162 sys/kern/subr_pool.c:-1 shmget_allocate_segment(ffff80003a058a88,ffff80003c4bf8c0,0,ffff80003c4bf810) at shmget_allocate_segment+0x1af sys/kern/sysv_shm.c:-1 sys_shmget(ffff80003a058a88,ffff80003c4bf8c0,ffff80003c4bf810) at sys_shmget+0x195 sys/kern/sysv_shm.c:482 syscall(ffff80003c4bf8c0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c4bf8c0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x1cd7140f590, count: -8 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80003c4bf490 rbx 0xffffffff837b7ddf cpu_info_full_primary+0x2ddf rdx 0 rcx 0xffff80003a058a88 rax 0xffffffff837b6ff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xec87353fff050ae0 r11 0x11c6e80c0ec45b0c r12 0xffffffff837b7be0 cpu_info_full_primary+0x2be0 r13 0 r14 0 r15 0x1 rip 0xffffffff82320925 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c4bf480 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=236162 pid=58372 tcnt=3 stat=onproc flags process=10 proc=4000000 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003a058028,0xffff80003c4b3cc8 process=0xffff800035c28500 user=0xffff80003c4ba000, vmspace=0xfffffd800ef235e8 estcpu=36, cpticks=2, pctcpu=0.0, user=0, sys=2, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 27693 90000 97655 32767 2 0x10 syz-executor 27693 119940 97655 32767 3 0x4000090 fsleep syz-executor 27693 103807 97655 32767 3 0x4000090 fsleep syz-executor 12357 353068 33087 32767 2 0x10 syz-executor 12357 385737 33087 32767 7 0x4000010 syz-executor 58372 415054 4533 32767 2 0x10 syz-executor *58372 236162 4533 32767 7 0x4000010 syz-executor 58372 11791 4533 32767 3 0x4000090 fsleep syz-executor 97407 267236 90445 32767 3 0x90 nanoslp syz-executor 97407 68638 90445 32767 3 0x4000090 kqpoll syz-executor 97407 356129 90445 32767 3 0x4000090 fsleep syz-executor 83534 284035 68919 32767 2 0xc90 syz-executor 83534 200817 68919 32767 3 0x4000090 kqsel syz-executor 83534 304185 68919 32767 3 0x4000090 fsleep syz-executor 81152 42339 0 0 3 0x14200 bored sosplice 9841 499708 489 32767 2 0xc90 syz-executor 9841 409401 489 32767 3 0x4000090 kqpoll syz-executor 9841 119929 489 32767 3 0x4000090 fsleep syz-executor 68919 106676 91109 32767 2 0xc90 syz-executor 4533 186759 97707 32767 2 0xc90 syz-executor 97655 374102 81345 32767 2 0xc90 syz-executor 64724 101627 30960 32767 2 0x10 syz-executor 90445 154669 40522 32767 2 0xc90 syz-executor 39327 492636 78047 32767 3 0x90 piperd syz-executor 33087 350691 80625 32767 2 0xc90 syz-executor 489 390522 35153 32767 2 0xc90 syz-executor 91109 233970 34678 0 3 0x82 wait syz-executor 97707 161196 34678 0 3 0x82 wait syz-executor 81345 114235 34678 0 3 0x82 wait syz-executor 30960 92326 34678 0 3 0x82 wait syz-executor 40522 256673 34678 0 3 0x82 wait syz-executor 78047 357842 34678 0 3 0x82 wait syz-executor 35153 28404 34678 0 3 0x82 wait syz-executor 80625 347228 34678 0 3 0x82 wait syz-executor 34678 288848 10754 0 2 0x82 syz-executor 10754 80506 13388 0 3 0x10008a sigsusp ksh 13388 314353 83906 0 3 0x98 kqread sshd-session 83906 141662 80251 0 3 0x92 kqread sshd-session 43426 503816 1 0 3 0x100083 ttyin getty 80251 307957 1 0 3 0x88 kqread sshd 43897 388118 55080 73 3 0x1100090 kqread syslogd 55080 505110 1 0 3 0x100082 sbwait syslogd 62109 287963 1 0 3 0x100080 kqread resolvd 65927 343486 14872 77 3 0x100092 kqread dhcpleased 94247 475783 14872 77 3 0x100092 kqread dhcpleased 14872 128831 1 0 3 0x80 kqread dhcpleased 38106 82442 0 0 3 0x14200 bored smr 40185 482039 0 0 2 0x14200 zerothread 19176 321931 0 0 3 0x14200 aiodoned aiodoned 39207 104933 0 0 3 0x14200 syncer update 90709 343360 0 0 3 0x14200 cleaner cleaner 67697 407828 0 0 3 0x14200 reaper reaper 46296 196159 0 0 3 0x14200 pgdaemon pagedaemon 85882 392368 0 0 3 0x14200 bored viomb 90996 164409 0 0 3 0x40014200 acpi0 acpi0 8512 198290 0 0 3 0x40014200 idle1 74803 459023 0 0 3 0x14200 bored softnet7 53814 33627 0 0 3 0x14200 bored softnet6 54913 268369 0 0 3 0x14200 bored softnet5 11263 290250 0 0 3 0x14200 bored softnet4 32160 373122 0 0 3 0x14200 bored softnet3 69244 213405 0 0 3 0x14200 bored softnet2 24881 473406 0 0 3 0x14200 bored softnet1 92362 170447 0 0 3 0x14200 bored softnet0 11903 352801 0 0 3 0x14200 bored systqmp 37337 332231 0 0 3 0x14200 bored systq 51353 404164 0 0 3 0x14200 tmoslp softclockmp 63855 204149 0 0 3 0x40014200 tmoslp softclock 33652 428568 0 0 3 0x40014200 idle0 1 371889 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive mutex shmpl r = 0 (0xffffffff838886d8) #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 pool_get+0x124 sys/kern/subr_pool.c:581 #4 shmget_allocate_segment+0x1af sys/kern/sysv_shm.c:-1 #5 sys_shmget+0x195 sys/kern/sysv_shm.c:482 #6 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 #7 Xsyscall+0x128 Process 58372 (syz-executor) thread 0xffff80003a058a88 (236162) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff838ab350) #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:748 #2 Xsyscall+0x128 exclusive mutex shmpl r = 0 (0xffffffff838886d8) #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 pool_get+0x124 sys/kern/subr_pool.c:581 #4 shmget_allocate_segment+0x1af sys/kern/sysv_shm.c:-1 #5 sys_shmget+0x195 sys/kern/sysv_shm.c:482 #6 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 #7 Xsyscall+0x128 Process 64724 (syz-executor) thread 0xffff80002a2e47e8 (101627) exclusive rrwlock inode r = 0 (0xfffffd806b213330) #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 ffs_inode_alloc+0x279 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_mkdir+0xfc sys/ufs/ufs/ufs_vnops.c:1112 #8 VOP_MKDIR+0x101 sys/kern/vfs_vops.c:394 #9 domkdirat+0x179 sys/kern/vfs_syscalls.c:3113 #10 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806be0aeb0) #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 domkdirat+0x8b sys/kern/vfs_syscalls.c:3098 #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 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10195 10956K 10968K 166960K 11273 0 pcb 17 12K 12K 166960K 17 0 rtable 205 5K 6K 166960K 253 0 pf 31 16K 16K 166960K 31 0 ifaddr 42 7K 7K 166960K 44 0 ifgroup 50 2K 2K 166960K 50 0 sysctl 1 1K 9K 166960K 6 0 counters 68 36K 36K 166960K 68 0 ioctlops 0 0K 2K 166960K 30 0 iov 0 0K 12K 166960K 66 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1334 84K 84K 166960K 1383 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 3 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 35 0 dirhash 12 2K 2K 166960K 15 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 24 89K 125K 166960K 179 0 proc 63 115K 147K 166960K 478 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 1 0K 0K 166960K 8 0 in_multi 99 7K 7K 166960K 101 0 ether_multi 1 0K 0K 166960K 1 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 73 334K 334K 166960K 73 0 exec 0 0K 1K 166960K 339 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 246 182K 182K 166960K 3076 0 UVM aobj 3 2K 4K 166960K 5 0 pinsyscall 45 90K 111K 166960K 1176 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 2 0 NDP 11 0K 2K 166960K 27 0 temp 36 8638K 8702K 166960K 3803 0 kqueue 15 24K 26K 166960K 26 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 36 0 33 1 0 1 1 0 8 0 rtentry 176 95 0 1 5 0 5 5 0 8 0 unpcb 144 114 0 63 4 0 4 4 0 8 0 syncache 336 5 0 5 1 0 1 1 0 8 1 tcpcb 736 59 0 20 4 0 4 4 0 8 0 arp 128 10 0 0 1 0 1 1 0 8 0 inpcb 328 230 0 149 7 0 7 7 0 8 0 ip6q 72 2 0 0 1 0 1 1 0 8 0 ip6af 40 2 0 0 1 0 1 1 0 8 0 nd6 144 16 0 0 1 0 1 1 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 437 0 0 28 0 28 28 0 8 0 art_table 40 438 0 0 5 0 5 5 0 8 0 art_node 32 95 0 11 1 0 1 1 0 8 0 sysvmsgpl 40 2 0 2 1 0 1 1 0 8 1 semapl 112 33 0 23 1 0 1 1 0 8 0 shmpl 112 2 0 2 1 0 1 1 0 8 1 pool(0xffffffff838886c0:shmpl): page inconsistency: page 0xfffffd8064032000; 34 on list, 0 missing, 35 items per page dirhash 1024 19 0 2 3 0 3 3 0 8 0 dino2pl 256 1629 0 122 95 0 95 95 0 8 0 ffsino 296 1629 0 122 117 0 117 117 0 8 0 nchpl 144 1855 0 177 63 0 63 63 0 8 0 uvmvnodes 80 1710 0 0 35 0 35 35 0 8 0 vnodes 216 1710 0 0 95 0 95 95 0 8 0 namei 1024 5788 0 5787 2 0 2 2 0 8 1 percpumem 16 49 0 0 1 0 1 1 0 8 0 kstatmem 264 24 0 0 2 0 2 2 0 8 0 scxspl 216 6563 0 6563 3 1 2 2 1 8 2 plimitpl 152 41 0 17 2 0 2 2 0 8 1 sigapl 424 455 0 396 8 0 8 8 0 8 0 knotepl 120 592 0 0 18 0 18 18 0 8 0 kqueuepl 224 32 0 17 2 0 2 2 0 8 1 pipepl 344 163 0 135 3 0 3 3 0 8 0 fdescpl 528 432 0 396 4 0 4 4 0 8 0 filepl 160 1940 0 1619 18 0 18 18 0 8 4 lockfpl 104 8 0 6 1 0 1 1 0 8 0 lockfspl 48 5 0 3 1 0 1 1 0 8 0 sessionpl 144 22 0 6 1 0 1 1 0 8 0 pgrppl 48 30 0 6 1 0 1 1 0 8 0 ucredpl 104 235 0 216 1 0 1 1 0 8 0 zombiepl 144 396 0 396 1 0 1 1 0 8 1 processpl 1232 455 0 396 7 1 6 6 0 8 0 procpl 664 532 0 462 7 0 7 7 0 8 0 sosppl 168 2 0 0 1 0 1 1 0 8 0 sockpl 752 380 0 244 17 0 17 17 0 8 3 mcl64k 65536 1 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 1 0 0 1 0 1 1 0 8 0 mcl4k 4096 105 0 0 14 0 14 14 0 8 0 mcl2k 2048 18 0 0 3 0 3 3 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 178 0 0 12 0 12 12 0 8 0 bufpl 280 2859 0 116 196 0 196 196 0 8 0 anonpl 32 5362 0 0 44 0 44 44 0 246 0 amapchunkpl 152 9316 0 8599 34 3 31 31 0 158 2 amappl16 200 1979 0 1915 5 0 5 5 0 8 1 amappl15 192 3 0 3 1 0 1 1 0 8 1 amappl14 184 103 0 93 1 0 1 1 0 8 0 amappl13 176 8 0 8 1 0 1 1 0 8 1 amappl12 168 1028 0 991 2 0 2 2 0 8 0 amappl11 160 52 0 42 1 0 1 1 0 8 0 amappl10 152 15 0 14 1 0 1 1 0 8 0 amappl9 144 283 0 283 1 0 1 1 0 8 1 amappl8 136 20 0 19 1 0 1 1 0 8 0 amappl7 128 94 0 84 1 0 1 1 0 8 0 amappl6 120 172 0 169 1 0 1 1 0 8 0 amappl5 112 115 0 109 1 0 1 1 0 8 0 amappl4 104 254 0 238 1 0 1 1 0 8 0 amappl3 96 1406 0 1286 4 0 4 4 0 8 0 amappl2 88 588 0 535 2 0 2 2 0 8 0 amappl1 80 8115 0 7540 14 0 14 14 0 8 0 amappl 88 2460 0 2279 5 0 5 5 0 92 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 4 0 2 1 0 1 1 0 8 0 uaddrrnd 24 432 0 396 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 432 0 396 1 0 1 1 0 8 0 vmmpekpl 168 5218 0 5182 2 0 2 2 0 8 0 vmmpepl 168 34244 0 32155 100 0 100 100 0 357 5 vmsppl 488 431 0 396 7 1 6 6 0 8 0 rwobjpl 80 14083 0 11492 54 0 54 54 0 8 0 pdppl 4096 872 0 792 108 14 94 98 0 8 14 pvpl 32 11717 0 0 95 0 95 95 0 265 0 pmappl 256 431 0 396 4 1 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 280 0 17 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(ffffffff83362765) at panic+0x1e5 sys/kern/subr_prf.c:198 pool_do_get(ffffffff838886c0,1,ffff80003c4bf668) at pool_do_get+0x5df pool_get(ffffffff838886c0,1) at pool_get+0x162 sys/kern/subr_pool.c:-1 shmget_allocate_segment(ffff80003a058a88,ffff80003c4bf8c0,0,ffff80003c4bf810) at shmget_allocate_segment+0x1af sys/kern/sysv_shm.c:-1 sys_shmget(ffff80003a058a88,ffff80003c4bf8c0,ffff80003c4bf810) at sys_shmget+0x195 sys/kern/sysv_shm.c:482 syscall(ffff80003c4bf8c0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c4bf8c0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x1cd7140f590, 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 copy_fault() at copy_fault syscall(ffff8000390510c0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000390510c0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xcf61700d920, count: 9 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 copy_fault() at copy_fault syscall(ffff8000390510c0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000390510c0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xcf61700d920, count: -6