login: panic: pool_do_get: shmpl free list modified: page 0xfffffd806c3f7000; item addr 0xfffffd806c3f7e70; offset 0x40=0x69ef0ed4 Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 466621 7934 32767 0x10 0 0 syz-executor * 68673 7934 32767 0x10 0x4000000 1K syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff83442ae8) at panic+0x1e5 sys/kern/subr_prf.c:198 pool_do_get(ffffffff839be0b0,1,ffff80003b3e7688) at pool_do_get+0x5df pool_get(ffffffff839be0b0,1) at pool_get+0x162 sys/kern/subr_pool.c:-1 shmget_allocate_segment(ffff800039fd62c0,ffff80003b3e78e0,5d,ffff80003b3e7830) at shmget_allocate_segment+0x1af sys/kern/sysv_shm.c:-1 sys_shmget(ffff800039fd62c0,ffff80003b3e78e0,ffff80003b3e7830) at sys_shmget+0x195 sys/kern/sysv_shm.c:484 syscall(ffff80003b3e78e0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003b3e78e0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2c9ba2fff40, 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{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic *cpu1: pool_do_get: shmpl free list modified: page 0xfffffd806c3f7000; item addr 0xfffffd806c3f7e70; offset 0x40=0x69ef0ed4 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff83442ae8) at panic+0x1e5 sys/kern/subr_prf.c:198 pool_do_get(ffffffff839be0b0,1,ffff80003b3e7688) at pool_do_get+0x5df pool_get(ffffffff839be0b0,1) at pool_get+0x162 sys/kern/subr_pool.c:-1 shmget_allocate_segment(ffff800039fd62c0,ffff80003b3e78e0,5d,ffff80003b3e7830) at shmget_allocate_segment+0x1af sys/kern/sysv_shm.c:-1 sys_shmget(ffff800039fd62c0,ffff80003b3e78e0,ffff80003b3e7830) at sys_shmget+0x195 sys/kern/sysv_shm.c:484 syscall(ffff80003b3e78e0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003b3e78e0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2c9ba2fff40, count: -8 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80003b3e74b0 rbx 0xffff8000299aee07 rdx 0xffff8000015e1340 rcx 0xffff800039fd62c0 rax 0xffff8000299adff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xf0250b03861ed35f r11 0x892c3facf857dbe0 r12 0xffff8000299aec08 r13 0 r14 0 r15 0x1 rip 0xffffffff82993cb5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003b3e74a0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=68673 pid=7934 tcnt=2 stat=onproc flags process=10 proc=4000000 runpri=32, usrpri=56, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff800039fd6d20,0xffff800039fd6800 process=0xffff800039fdab70 user=0xffff80003b3e2000, vmspace=0xfffffd806c8665d8 estcpu=6, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 39327 411229 69938 32767 2 0x10 syz-executor 7934 466621 11128 32767 7 0x10 syz-executor * 7934 68673 11128 32767 7 0x4000010 syz-executor 60508 518215 66488 32767 2 0x10 syz-executor 60508 95528 66488 32767 3 0x4000090 pipewr syz-executor 23222 224967 81043 32767 2 0x10 syz-executor 23222 385991 81043 32767 2 0x4000010 syz-executor 23222 184412 81043 32767 2 0x4000010 syz-executor 37841 498551 15571 32767 2 0x10 syz-executor 95195 434115 17053 32767 2 0x10 syz-executor 95195 482119 17053 32767 3 0x4000090 fsleep syz-executor 48257 275082 20339 32767 3 0x10 biowait syz-executor 81043 135039 89401 32767 3 0x90 nanoslp syz-executor 11128 195180 948 32767 3 0x90 nanoslp syz-executor 66488 117226 32930 32767 3 0x90 nanoslp syz-executor 15571 295773 38153 32767 3 0x90 nanoslp syz-executor 69938 400052 1337 32767 3 0x90 nanoslp syz-executor 17053 384290 96534 32767 3 0x90 nanoslp syz-executor 4196 512346 29054 32767 3 0x90 nanoslp syz-executor 20339 414041 18429 0 3 0x82 wait syz-executor 948 100278 18429 0 3 0x82 wait syz-executor 38153 127694 18429 0 3 0x82 wait syz-executor 89401 352726 18429 0 3 0x82 wait syz-executor 1337 179010 18429 0 3 0x82 wait syz-executor 32930 217131 18429 0 3 0x82 wait syz-executor 96534 394709 18429 0 3 0x82 wait syz-executor 29054 118151 18429 0 3 0x82 wait syz-executor 18429 281078 81751 0 3 0x82 kqread syz-executor 81751 331290 19321 0 3 0x10008a sigsusp ksh 19321 277701 79547 0 3 0x98 kqread sshd-session 79547 266602 84111 0 3 0x92 kqread sshd-session 55363 435790 1 0 3 0x100083 ttyin getty 84111 238377 1 0 3 0x88 kqread sshd 44125 235963 15886 73 3 0x1100090 kqread syslogd 15886 19115 1 0 3 0x100082 sbwait syslogd 53640 173278 1 0 3 0x100080 kqread resolvd 61383 520646 28495 77 3 0x100092 kqread dhcpleased 50319 300423 28495 77 3 0x100092 kqread dhcpleased 28495 300773 1 0 3 0x80 kqread dhcpleased 54862 416990 0 0 3 0x14200 bored smr 90333 456862 0 0 2 0x14200 zerothread 96959 52513 0 0 3 0x14200 aiodoned aiodoned 64939 296611 0 0 3 0x14200 syncer update 77834 519746 0 0 3 0x14200 cleaner cleaner 7512 97826 0 0 3 0x14200 reaper reaper 90918 346615 0 0 3 0x14200 pgdaemon pagedaemon 75545 152341 0 0 3 0x14200 bored viomb 26238 140582 0 0 3 0x40014200 acpi0 acpi0 71228 514760 0 0 3 0x40014200 idle1 84044 43203 0 0 3 0x14200 bored softnet1 65539 410769 0 0 3 0x14200 bored softnet0 35028 315232 0 0 3 0x14200 bored systqmp 59875 237543 0 0 3 0x14200 bored systq 77633 447897 0 0 3 0x14200 tmoslp softclockmp 20821 206808 0 0 3 0x40014200 tmoslp softclock 34774 477459 0 0 3 0x40014200 idle0 1 247729 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks CPU 1: exclusive mutex shmpl r = 0 (0xffffffff839be0c8) #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+0x4b4 sys/kern/kern_lock.c:487 #2 pool_get+0x124 sys/kern/subr_pool.c:585 #3 shmget_allocate_segment+0x1af sys/kern/sysv_shm.c:-1 #4 sys_shmget+0x195 sys/kern/sysv_shm.c:484 #5 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #5 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #6 Xsyscall+0x128 Process 7934 (syz-executor) thread 0xffff800039fd62c0 (68673) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff839d9400) #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 exclusive mutex shmpl r = 0 (0xffffffff839be0c8) #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+0x4b4 sys/kern/kern_lock.c:487 #2 pool_get+0x124 sys/kern/subr_pool.c:585 #3 shmget_allocate_segment+0x1af sys/kern/sysv_shm.c:-1 #4 sys_shmget+0x195 sys/kern/sysv_shm.c:484 #5 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #5 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #6 Xsyscall+0x128 Process 48257 (syz-executor) thread 0xffff8000387c8fb0 (275082) exclusive rrwlock inode r = 0 (0xfffffd806c869688) #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 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:3143 #10 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806cb8b430) #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 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:3128 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11055 12019K 12034K 166960K 12146 0 pcb 17 12K 12K 166960K 17 0 rtable 237 6K 7K 166960K 351 0 pf 31 16K 16K 166960K 31 0 ifaddr 42 7K 7K 166960K 44 0 ifgroup 50 2K 2K 166960K 50 0 sysctl 3 1K 9K 166960K 7 0 counters 70 37K 37K 166960K 70 0 ioctlops 0 0K 2K 166960K 30 0 iov 0 0K 16K 166960K 6 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1288 81K 81K 166960K 1358 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 5 0K 0K 166960K 8 0 dirhash 12 2K 2K 166960K 15 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 25 93K 129K 166960K 210 0 sigio 0 0K 0K 166960K 2 0 proc 58 99K 180K 166960K 499 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 12 0 in_multi 99 7K 7K 166960K 99 0 ether_multi 1 0K 0K 166960K 1 0 mrt 0 0K 0K 166960K 2 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 359 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 235 167K 177K 166960K 3591 0 UVM aobj 4 2K 4K 166960K 6 0 pinsyscall 46 92K 114K 166960K 1264 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 11 0K 2K 166960K 27 0 temp 39 9075K 9139K 166960K 4034 0 kqueue 13 20K 23K 166960K 33 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 120 109 0 105 3 0 3 3 0 8 2 rtentry 176 111 0 1 5 0 5 5 0 8 0 unpcb 144 64 0 47 1 0 1 1 0 8 0 syncache 336 4 0 4 1 0 1 1 0 8 1 tcpcb 736 39 0 34 2 0 2 2 0 8 1 arp 136 18 0 0 1 0 1 1 0 8 0 inpcb 328 120 0 112 2 0 2 2 0 8 1 ip6q 72 1 0 0 1 0 1 1 0 8 0 ip6af 40 1 0 0 1 0 1 1 0 8 0 nd6 152 24 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 256 452 0 0 29 0 29 29 0 8 0 art_table 40 453 0 0 5 0 5 5 0 8 0 art_node 32 111 0 11 1 0 1 1 0 8 0 sysvmsgpl 40 5 0 4 1 0 1 1 0 8 0 semapl 112 5 0 2 1 0 1 1 0 8 0 shmpl 112 3 0 2 1 0 1 1 0 8 0 pool(0xffffffff839be0b0:shmpl): page inconsistency: page 0xfffffd806c3f7000; 33 on list, 1 missing, 35 items per page dirhash 1024 19 0 2 3 0 3 3 0 8 0 dino2pl 256 1649 0 188 92 0 92 92 0 8 0 ffsino 296 1649 0 188 113 0 113 113 0 8 0 nchpl 144 1933 0 247 63 0 63 63 0 8 0 vnodes 216 1730 0 0 97 0 97 97 0 8 0 namei 1024 5580 0 5579 1 0 1 1 0 8 0 percpumem 16 50 0 0 1 0 1 1 0 8 0 kstatmem 264 25 0 0 2 0 2 2 0 8 0 scxspl 216 6604 0 6603 4 1 3 3 1 8 2 plimitpl 152 40 0 16 2 0 2 2 0 8 1 sigapl 424 495 0 442 7 0 7 7 0 8 0 knotepl 120 65 0 0 2 0 2 2 0 8 0 kqueuepl 224 38 0 28 1 0 1 1 0 8 0 pipepl 344 121 0 93 3 0 3 3 0 8 0 fdescpl 528 479 0 442 4 0 4 4 0 8 0 filepl 160 1762 0 1550 12 0 12 12 0 8 2 lockfpl 104 20 0 18 1 0 1 1 0 8 0 lockfspl 48 8 0 6 1 0 1 1 0 8 0 sessionpl 144 21 0 5 1 0 1 1 0 8 0 pgrppl 48 29 0 5 1 0 1 1 0 8 0 ucredpl 104 156 0 137 1 0 1 1 0 8 0 zombiepl 144 443 0 442 1 0 1 1 0 8 0 processpl 1232 495 0 442 5 0 5 5 0 8 0 procpl 664 608 0 550 6 0 6 6 0 8 0 sockpl 752 294 0 265 10 0 10 10 0 8 6 mcl64k 65536 1 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 121 0 0 16 0 16 16 0 8 0 mcl2k 2048 11 0 0 2 0 2 2 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 177 0 0 12 0 12 12 0 8 0 bufpl 280 2363 0 102 162 0 162 162 0 8 0 anonpl 32 11842 0 0 96 0 96 96 0 246 0 amapchunkpl 152 10350 0 9838 29 0 29 29 0 158 6 amappl16 200 2264 0 2240 28 0 28 28 0 8 24 amappl15 192 8 0 8 1 1 0 1 0 8 0 amappl14 184 414 0 413 1 0 1 1 0 8 0 amappl13 176 111 0 101 1 0 1 1 0 8 0 amappl12 168 715 0 679 2 0 2 2 0 8 0 amappl11 160 17 0 17 1 1 0 1 0 8 0 amappl10 152 58 0 47 1 0 1 1 0 8 0 amappl9 144 279 0 279 1 1 0 1 0 8 0 amappl8 136 94 0 93 1 0 1 1 0 8 0 amappl7 128 144 0 133 1 0 1 1 0 8 0 amappl6 120 151 0 150 1 0 1 1 0 8 0 amappl5 112 89 0 81 1 0 1 1 0 8 0 amappl4 104 275 0 258 1 0 1 1 0 8 0 amappl3 96 1811 0 1688 4 0 4 4 0 8 0 amappl2 88 485 0 433 2 0 2 2 0 8 0 amappl1 80 9135 0 8555 14 0 14 14 0 8 1 amappl 88 2925 0 2754 5 0 5 5 0 92 0 uvmvnodes 80 99 0 0 3 0 3 3 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 5 0 2 1 0 1 1 0 8 0 uaddrrnd 24 479 0 442 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 479 0 442 1 0 1 1 0 8 0 vmmpekpl 168 5454 0 5421 2 0 2 2 0 8 0 vmmpepl 168 38588 0 36559 115 0 115 115 0 357 23 vmsppl 488 478 0 442 6 0 6 6 0 8 1 rwobjpl 80 14124 0 13199 30 0 30 30 0 8 7 pdppl 4096 965 0 884 109 24 85 99 0 8 4 pvpl 32 19965 0 0 162 0 162 162 0 265 0 pmappl 256 478 0 442 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 277 0 26 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83964ff0) 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(ffffffff839d8c00) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff839d8c00) at __mp_lock+0x1a3 sys/kern/kern_lock.c:173 intr_handler(ffff80003c40d060,ffff8000002a3480) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:560 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f end of kernel end trace frame: 0x74625a43e660, count: 9 ddb{0}> trace x86_ipi_db(ffffffff83964ff0) 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(ffffffff839d8c00) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff839d8c00) at __mp_lock+0x1a3 sys/kern/kern_lock.c:173 intr_handler(ffff80003c40d060,ffff8000002a3480) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:560 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f end of kernel end trace frame: 0x74625a43e660, count: -6 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x25: addq $0x8,%rsp db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff83442ae8) at panic+0x1e5 sys/kern/subr_prf.c:198 pool_do_get(ffffffff839be0b0,1,ffff80003b3e7688) at pool_do_get+0x5df pool_get(ffffffff839be0b0,1) at pool_get+0x162 sys/kern/subr_pool.c:-1 shmget_allocate_segment(ffff800039fd62c0,ffff80003b3e78e0,5d,ffff80003b3e7830) at shmget_allocate_segment+0x1af sys/kern/sysv_shm.c:-1 sys_shmget(ffff800039fd62c0,ffff80003b3e78e0,ffff80003b3e7830) at sys_shmget+0x195 sys/kern/sysv_shm.c:484 syscall(ffff80003b3e78e0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003b3e78e0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2c9ba2fff40, count: 7 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff83442ae8) at panic+0x1e5 sys/kern/subr_prf.c:198 pool_do_get(ffffffff839be0b0,1,ffff80003b3e7688) at pool_do_get+0x5df pool_get(ffffffff839be0b0,1) at pool_get+0x162 sys/kern/subr_pool.c:-1 shmget_allocate_segment(ffff800039fd62c0,ffff80003b3e78e0,5d,ffff80003b3e7830) at shmget_allocate_segment+0x1af sys/kern/sysv_shm.c:-1 sys_shmget(ffff800039fd62c0,ffff80003b3e78e0,ffff80003b3e7830) at sys_shmget+0x195 sys/kern/sysv_shm.c:484 syscall(ffff80003b3e78e0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003b3e78e0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2c9ba2fff40, count: -8