panic: malloc: allocation too large, type = 31, size = 4294965210 Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 271285 31303 0 0 0 0 syz-executor *128956 31303 0 0 0x4000000 1K syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff833662d8) at panic+0x1e5 sys/kern/subr_prf.c:198 malloc(fffff7da,1f,1) at malloc+0xcf4 sys/kern/kern_malloc.c:334 sys_semop(ffff80003c4d07d0,ffff80002f4a8ae0,ffff80002f4a8a30) at sys_semop+0x234 sys/kern/sysv_sem.c:564 syscall(ffff80002f4a8ae0) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002f4a8ae0) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x524f7d32700, count: 9 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: malloc: allocation too large, type = 31, size = 4294965210 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff833662d8) at panic+0x1e5 sys/kern/subr_prf.c:198 malloc(fffff7da,1f,1) at malloc+0xcf4 sys/kern/kern_malloc.c:334 sys_semop(ffff80003c4d07d0,ffff80002f4a8ae0,ffff80002f4a8a30) at sys_semop+0x234 sys/kern/sysv_sem.c:564 syscall(ffff80002f4a8ae0) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002f4a8ae0) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x524f7d32700, count: -6 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80002f4a8750 rbx 0xffff800029aacdc7 rdx 0 rcx 0xffff80003c4d07d0 rax 0xffff800029aabff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xc4259419fd6a2fb4 r11 0xd9af78ea4ace7cc7 r12 0xffff800029aacbc8 r13 0 r14 0 r15 0x1 rip 0xffffffff82e74fe5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002f4a8740 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=128956 pid=31303 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003c4d11f0,0xffffffff838ee8c8 process=0xffff80003c5a1910 user=0xffff80002f4a3000, vmspace=0xfffffd8067cf4908 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 31303 271285 74214 0 7 0 syz-executor *31303 128956 74214 0 7 0x4000000 syz-executor 12910 212179 86317 0 3 0x80 nanoslp syz-executor 12910 231210 86317 0 3 0x4000080 kqsel syz-executor 12910 397264 86317 0 3 0x4000080 fsleep syz-executor 64760 516203 56393 0 3 0x90 nanoslp syz-executor 64760 500385 56393 0 3 0x4000090 ttyout syz-executor 64760 13238 56393 0 3 0x4000090 fsleep syz-executor 7566 442694 49720 0 3 0x80 nanoslp syz-executor 7566 172733 49720 0 3 0x4000080 lockf syz-executor 7566 479649 49720 0 3 0x4000080 lockf syz-executor 7566 463938 49720 0 3 0x4000080 fsleep syz-executor 6224 98148 17845 0 3 0x80 nanoslp syz-executor 6224 27701 17845 0 3 0x4000080 lockf syz-executor 6224 428218 17845 0 3 0x4000080 fsleep syz-executor 5647 76845 66593 0 3 0x80 nanoslp syz-executor 5647 47685 66593 0 3 0x4000080 kqsel syz-executor 5647 190320 66593 0 3 0x4000080 fsleep syz-executor 74832 320173 0 0 3 0x14200 acct acct 21600 479730 0 0 3 0x14280 nfsidl nfsio 68769 208810 0 0 3 0x14280 nfsidl nfsio 92192 112127 0 0 3 0x14280 nfsidl nfsio 57867 380063 0 0 3 0x14280 nfsidl nfsio 78697 488471 0 0 3 0x14280 nfsidl nfsio 85651 462456 0 0 3 0x14280 nfsidl nfsio 68075 83969 0 0 3 0x14280 nfsidl nfsio 35697 159260 0 0 3 0x14280 nfsidl nfsio 99599 308044 0 0 3 0x14280 nfsidl nfsio 6380 518584 0 0 3 0x14280 nfsidl nfsio 14584 259558 0 0 3 0x14280 nfsidl nfsio 33446 354141 0 0 3 0x14280 nfsidl nfsio 80326 352492 0 0 3 0x14280 nfsidl nfsio 67781 442586 0 0 3 0x14280 nfsidl nfsio 59793 75055 0 0 3 0x14280 nfsidl nfsio 93536 34055 0 0 3 0x14280 nfsidl nfsio 32371 196460 0 0 3 0x14280 nfsidl nfsio 73822 357838 0 0 3 0x14280 nfsidl nfsio 82058 347519 0 0 3 0x14280 nfsidl nfsio 57863 229631 0 0 3 0x14280 nfsidl nfsio 67912 482813 93343 0 3 0x2 biowait syz-executor 17845 89746 93343 0 3 0x82 nanoslp syz-executor 49720 64616 93343 0 3 0x82 nanoslp syz-executor 86317 82799 93343 0 3 0x82 nanoslp syz-executor 66593 453184 93343 0 3 0x82 nanoslp syz-executor 56393 416503 93343 0 3 0x82 nanoslp syz-executor 74214 89972 93343 0 3 0x82 nanoslp syz-executor 95716 494448 93343 0 3 0x82 wait syz-executor 93343 131632 74953 0 3 0x82 kqread syz-executor 74953 412748 35486 0 3 0x10008a sigsusp ksh 35486 385915 85819 0 3 0x98 kqread sshd-session 85819 22598 80699 0 3 0x92 kqread sshd-session 6720 347615 1 0 3 0x100083 ttyopn getty 80699 369582 1 0 3 0x88 kqread sshd 98955 509636 25499 74 3 0x1100092 bpf pflogd 25499 362507 1 0 3 0x80 sbwait pflogd 49084 251655 64055 73 3 0x1100090 kqread syslogd 64055 177617 1 0 3 0x100082 sbwait syslogd 85665 420775 1 0 3 0x100080 kqread resolvd 39792 201755 29601 77 3 0x100092 kqread dhcpleased 33101 235426 29601 77 3 0x100092 kqread dhcpleased 29601 360493 1 0 3 0x80 kqread dhcpleased 18064 222018 0 0 3 0x14200 bored smr 16017 223965 0 0 3 0x14200 pgzero zerothread 95081 305546 0 0 3 0x14200 aiodoned aiodoned 31920 149689 0 0 3 0x14200 syncer update 86938 157619 0 0 3 0x14200 cleaner cleaner 22923 406262 0 0 3 0x14200 reaper reaper 36373 79561 0 0 3 0x14200 pgdaemon pagedaemon 81663 70162 0 0 3 0x14200 bored viomb 65790 28408 0 0 3 0x40014200 acpi0 acpi0 86940 52667 0 0 3 0x40014200 idle1 87081 21830 0 0 3 0x14200 bored softnet3 1455 106233 0 0 3 0x14200 bored softnet2 28525 12885 0 0 3 0x14200 bored softnet1 30576 8520 0 0 3 0x14200 bored softnet0 13888 142419 0 0 3 0x14200 bored systqmp 31667 194657 0 0 3 0x14200 bored systq 3433 477394 0 0 3 0x14200 tmoslp softclockmp 30064 280592 0 0 3 0x40014200 tmoslp softclock 52359 507177 0 0 3 0x40014200 idle0 1 440184 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 31303 (syz-executor) thread 0xffff80003c4d07d0 (128956) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff838d5620) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 syscall+0xae6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #1 syscall+0xae6 sys/arch/amd64/amd64/trap.c:577 #2 Xsyscall+0x128 Process 67912 (syz-executor) thread 0xffff8000ffffd448 (482813) exclusive rrwlock inode r = 0 (0xfffffd806bbe8428) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:616 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vget+0x2bd sys/kern/vfs_subr.c:694 #6 ufs_ihashget+0x185 sys/ufs/ufs/ufs_ihash.c:98 #7 ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1201 #8 ufs_lookup+0x19f8 sys/ufs/ufs/ufs_lookup.c:478 #9 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 #11 namei+0x7aa sys/kern/vfs_lookup.c:250 #12 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1851 #13 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806c6461f0) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:616 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vfs_lookup+0x109 sys/kern/vfs_lookup.c:418 #6 namei+0x7aa sys/kern/vfs_lookup.c:250 #7 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1851 #8 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10206 11164K 11354K 166960K 11542 0 pcb 18 14K 16K 166960K 126 0 rtable 192 5K 6K 166960K 369 0 pf 32 17K 18K 166960K 47 0 ifaddr 39 6K 7K 166960K 47 0 ifgroup 51 2K 2K 166960K 57 0 sysctl 1 1K 1K 166960K 1 0 counters 62 36K 36K 166960K 66 0 ioctlops 0 0K 4K 166960K 1591 0 iov 0 0K 8K 166960K 5 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1367 86K 86K 166960K 1509 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 3 5K 5K 166960K 5 0 VM map 2 1K 1K 166960K 2 0 sem 9 0K 0K 166960K 12 0 dirhash 12 2K 2K 166960K 21 0 ACPI 1690 195K 286K 166960K 12468 0 file desc 17 61K 93K 166960K 304 0 sigio 0 0K 0K 166960K 3 0 proc 72 91K 128K 166960K 545 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 2 0K 0K 166960K 35 0 in_multi 89 6K 7K 166960K 106 0 ether_multi 1 0K 0K 166960K 2 0 mrt 0 0K 0K 166960K 1 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 79 360K 360K 166960K 79 0 exec 0 0K 1K 166960K 442 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 239 81K 81K 166960K 4338 0 UVM aobj 42 2K 4K 166960K 43 0 pinsyscall 42 84K 106K 166960K 1385 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 16 0 NDP 11 0K 2K 166960K 30 0 temp 75 8643K 8715K 166960K 12590 0 kqueue 14 22K 30K 166960K 48 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 24 0 0 1 0 1 1 0 8 0 rtpcb 120 48 0 44 1 0 1 1 0 8 0 rtentry 112 118 0 29 4 0 4 4 0 8 0 unpcb 144 264 0 244 6 0 6 6 0 8 5 syncache 336 3 0 3 1 1 0 1 0 8 0 tcpcb 808 50 0 45 1 0 1 1 0 8 0 arp 120 20 0 4 1 0 1 1 0 8 0 inpcb 376 286 0 274 8 0 8 8 0 8 6 nd6 136 24 0 3 1 0 1 1 0 8 0 pkpcb 40 2 0 2 1 1 0 1 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1168 1 0 1 1 1 0 1 0 8 0 pffrag 232 1 0 0 1 0 1 1 0 482 0 pffrnode 88 1 0 0 1 0 1 1 0 8 0 pffrent 40 4 0 3 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 pfstitem 24 20 0 1 1 0 1 1 0 8 0 pfstkey 128 20 0 1 1 0 1 1 0 8 0 pfstate 376 20 0 1 2 0 2 2 0 8 0 pfrule 1344 23 0 18 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 492 0 91 29 1 28 29 0 8 0 art_table 32 493 0 91 4 0 4 4 0 8 0 art_node 16 117 0 37 1 0 1 1 0 8 0 sysvmsgpl 40 1 0 1 1 1 0 1 0 8 0 semapl 112 10 0 3 1 0 1 1 0 8 0 shmpl 112 40 0 1 2 0 2 2 0 8 0 dirhash 1024 23 0 6 3 0 3 3 0 8 0 dino2pl 256 1882 0 371 95 0 95 95 0 8 0 ffsino 280 1882 0 371 109 0 109 109 0 8 0 nchpl 144 2314 0 625 63 0 63 63 0 8 0 uvmvnodes 80 2067 0 0 43 0 43 43 0 8 0 vnodes 216 2067 0 0 115 0 115 115 0 8 0 namei 1024 7400 0 7400 1 0 1 1 0 8 1 percpumem 16 47 0 2 1 0 1 1 0 8 0 kstatmem 264 26 0 4 2 0 2 2 0 8 0 scsiplug 72 2 0 2 1 0 1 1 0 8 1 scxspl 216 7754 0 7753 10 2 8 8 1 8 7 plimitpl 152 53 0 34 1 0 1 1 0 8 0 sigapl 424 624 0 554 8 0 8 8 0 8 0 futexpl 64 2830 0 2825 1 0 1 1 0 8 0 knotepl 120 150 0 0 5 0 5 5 0 8 0 kqueuepl 216 68 0 53 1 0 1 1 0 8 0 pipepl 328 116 0 88 3 0 3 3 0 8 0 fdescpl 504 585 0 554 5 0 5 5 0 8 0 filepl 152 2795 0 2547 16 1 15 15 0 8 4 lockfpl 104 203 0 195 2 0 2 2 0 8 1 lockfspl 48 31 0 26 1 0 1 1 0 8 0 sessionpl 144 22 0 13 1 0 1 1 0 8 0 pgrppl 48 32 0 15 1 0 1 1 0 8 0 ucredpl 104 268 0 253 1 0 1 1 0 8 0 zombiepl 144 555 0 554 1 0 1 1 0 8 0 processpl 1168 624 0 554 6 0 6 6 0 8 0 procpl 648 935 0 853 8 0 8 8 0 8 0 srpgc 96 2 0 2 1 0 1 1 0 8 1 sockpl 688 604 0 568 16 4 12 16 0 8 8 mcl64k 65536 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 127 0 0 16 0 16 16 0 8 0 mcl2k 2048 24 0 0 3 0 3 3 0 8 0 mtagpl 96 15 0 0 1 0 1 1 0 8 0 mbufpl 256 195 0 0 13 0 13 13 0 8 0 bufpl 280 2728 0 128 186 0 186 186 0 8 0 anonpl 24 108153 0 104681 49 4 45 49 0 184 20 amapchunkpl 152 13211 0 12689 24 1 23 23 0 158 0 amappl16 200 2023 0 1998 15 8 7 15 0 8 4 amappl15 192 3 0 3 1 1 0 1 0 8 0 amappl14 184 110 0 98 1 0 1 1 0 8 0 amappl13 176 4 0 3 1 0 1 1 0 8 0 amappl12 168 1254 0 1223 4 1 3 3 0 8 0 amappl11 160 54 0 40 1 0 1 1 0 8 0 amappl10 152 69 0 69 1 1 0 1 0 8 0 amappl9 144 251 0 249 1 0 1 1 0 8 0 amappl8 136 23 0 21 1 0 1 1 0 8 0 amappl7 128 123 0 111 1 0 1 1 0 8 0 amappl6 120 179 0 176 1 0 1 1 0 8 0 amappl5 112 124 0 115 1 0 1 1 0 8 0 amappl4 104 315 0 296 1 0 1 1 0 8 0 amappl3 96 2364 0 2247 4 0 4 4 0 8 1 amappl2 88 644 0 582 2 0 2 2 0 8 0 amappl1 80 8194 0 7624 14 1 13 14 0 8 1 amappl 88 3957 0 3776 5 0 5 5 0 92 0 dma4096 4096 2 0 2 2 1 1 1 0 8 1 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 42 0 1 1 0 1 1 0 8 0 uaddrrnd 24 585 0 554 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 585 0 554 1 0 1 1 0 8 0 vmmpekpl 168 6448 0 6408 3 0 3 3 0 8 0 vmmpepl 168 41899 0 40016 95 3 92 95 0 357 7 vmsppl 456 584 0 554 5 1 4 5 0 8 0 rwobjpl 64 16372 0 13325 50 0 50 50 0 8 0 pdppl 4096 1178 0 1108 98 26 72 86 0 8 2 pvpl 32 15062 0 0 123 1 122 122 0 265 0 pmappl 248 584 0 554 3 0 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 279 0 31 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff837d4ff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393 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(ffffffff838d5418) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff838d5418) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff80003c537f60,ffff800000079f00) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f end of kernel end trace frame: 0x7ef48b831830, count: 9 ddb{0}> trace x86_ipi_db(ffffffff837d4ff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393 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(ffffffff838d5418) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff838d5418) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff80003c537f60,ffff800000079f00) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f end of kernel end trace frame: 0x7ef48b831830, 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:437 panic(ffffffff833662d8) at panic+0x1e5 sys/kern/subr_prf.c:198 malloc(fffff7da,1f,1) at malloc+0xcf4 sys/kern/kern_malloc.c:334 sys_semop(ffff80003c4d07d0,ffff80002f4a8ae0,ffff80002f4a8a30) at sys_semop+0x234 sys/kern/sysv_sem.c:564 syscall(ffff80002f4a8ae0) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002f4a8ae0) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x524f7d32700, count: 9 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff833662d8) at panic+0x1e5 sys/kern/subr_prf.c:198 malloc(fffff7da,1f,1) at malloc+0xcf4 sys/kern/kern_malloc.c:334 sys_semop(ffff80003c4d07d0,ffff80002f4a8ae0,ffff80002f4a8a30) at sys_semop+0x234 sys/kern/sysv_sem.c:564 syscall(ffff80002f4a8ae0) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002f4a8ae0) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x524f7d32700, count: -6