uvm_fault(0xffff800001bc03e8, 0x8, 0, 1) -> e kernel: page fault trap, code=0 Stopped at knote_processfork+0x287: movq 0x8(%r15),%r14 TID PID UID PRFLAGS PFLAGS CPU COMMAND *146399 12530 0 0x1 0x4000000 0 syz-executor 17774 89 0 0x2 0 1 syz-executor knote_processfork(ffffffff85450480,92d9) at knote_processfork+0x287 sys/kern/kern_event.c:2246 fork1(ffffffff85450120,f0,ffffffff837d8160,0,0,ffff80002f6e0a60) at fork1+0x1225 sys/kern/kern_fork.c:511 kthread_create(ffffffff837d8160,0,0,ffffffff84c180c0) at kthread_create+0xa8 sys/kern/kern_kthread.c:61 nfs_getset_niothreads(1) at nfs_getset_niothreads+0xe7 sys/nfs/nfs_syscalls.c:702 nfs_sysctl(ffff80002f6e0c68,1,0,ffff80002f6e0c40,200000000200,0,ffff80002f6e0ec0) at nfs_sysctl+0x102 sys/nfs/nfs_vfsops.c:894 sys_sysctl(ffff800045ffc548,ffff80002f6e0ec0,ffff80002f6e0e20) at sys_sysctl+0x54f sys/kern/kern_sysctl.c:309 syscall(ffff80002f6e0ec0) at syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002f6e0ec0) at syscall+0x1089 sys/arch/amd64/amd64/trap.c:791 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc8f1081820, 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: uvm_fault(0xffff800001bc03e8, 0x8, 0, 1) -> e ddb{0}> show kasan kasan: no report recorded this boot ddb{0}> trace knote_processfork(ffffffff85450480,92d9) at knote_processfork+0x287 sys/kern/kern_event.c:2246 fork1(ffffffff85450120,f0,ffffffff837d8160,0,0,ffff80002f6e0a60) at fork1+0x1225 sys/kern/kern_fork.c:511 kthread_create(ffffffff837d8160,0,0,ffffffff84c180c0) at kthread_create+0xa8 sys/kern/kern_kthread.c:61 nfs_getset_niothreads(1) at nfs_getset_niothreads+0xe7 sys/nfs/nfs_syscalls.c:702 nfs_sysctl(ffff80002f6e0c68,1,0,ffff80002f6e0c40,200000000200,0,ffff80002f6e0ec0) at nfs_sysctl+0x102 sys/nfs/nfs_vfsops.c:894 sys_sysctl(ffff800045ffc548,ffff80002f6e0ec0,ffff80002f6e0e20) at sys_sysctl+0x54f sys/kern/kern_sysctl.c:309 syscall(ffff80002f6e0ec0) at syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002f6e0ec0) at syscall+0x1089 sys/arch/amd64/amd64/trap.c:791 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc8f1081820, count: -8 ddb{0}> show registers rdi 0x8 rsi 0x1 rbp 0xffff80002f6e0930 rbx 0xffff800001b08472 rdx 0 rcx 0xffffffff85337ff0 cpu_info_full_primary+0x1ff0 rax 0x1 r8 0x8 r9 0x1 r10 0 r11 0xffffffff8173c330 filt_proc r12 0xffff80002f6e07e0 r13 0xffff80002f6e07e0 r14 0xffffffff854505c0 process0+0x140 r15 0 rip 0xffffffff8174a747 knote_processfork+0x287 cs 0x8 rflags 0x10282 __ALIGN_SIZE+0xf282 rsp 0xffff80002f6e0780 ss 0x10 knote_processfork+0x287: movq 0x8(%r15),%r14 ddb{0}> show proc PROC (syz-executor) tid=146399 pid=12530 tcnt=3 stat=onproc flags process=1 proc=4000000 runpri=32, usrpri=51, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff800045ffca78,0xffff800045ffda18 process=0xffff80003af17040 user=0xffff80002f6d5000, vmspace=0xffff800001bc03e8 estcpu=1, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S PRLAGS PFLAGS WAIT COMMAND 37593 329176 0 0 2 0x14000 0x200 swapper 75365 57610 89 0 2 0 0 syz-executor 1462 448014 62305 0 2 0 0 syz-executor 4083 403665 15600 0 2 0 0 syz-executor 4083 45186 15600 0 3 0 0x4000080 fsleep syz-executor 81048 58956 40243 0 2 0 0 syz-executor 81048 133594 40243 0 2 0 0x4000000 syz-executor 12530 396038 28369 0 2 0x1 0 syz-executor 12530 380830 28369 0 3 0x1 0x4000080 fsleep syz-executor *12530 146399 28369 0 7 0x1 0x4000000 syz-executor 73615 433780 14017 0 2 0 0 syz-executor 73615 252338 14017 0 3 0 0x4000080 fsleep syz-executor 58593 192131 17347 0 2 0x2 0 syz-executor 14017 60389 17347 0 3 0x2 0x80 nanoslp syz-executor 89 17774 17347 0 7 0x2 0 syz-executor 62305 155353 17347 0 3 0x2 0x80 nanoslp syz-executor 15600 212351 17347 0 3 0x2 0x80 nanoslp syz-executor 4148 260688 17347 0 2 0x2 0 syz-executor 40243 227052 17347 0 3 0x2 0x80 nanoslp syz-executor 28369 385554 17347 0 3 0x2 0x80 nanoslp syz-executor 17347 115114 37492 0 3 0x2 0x80 kqread syz-executor 37492 290345 71028 0 3 0x100002 0x88 sigsusp ksh 71028 467410 14089 0 3 0x10 0x88 kqread sshd-session 14089 83942 86294 0 3 0x12 0x80 kqread sshd-session 73807 266210 1 0 3 0x100003 0x80 ttyin getty 86294 131177 1 0 3 0 0x88 kqread sshd 73716 185438 91028 74 3 0x1100012 0x80 bpf pflogd 91028 357012 1 0 3 0 0x80 sbwait pflogd 52173 232167 9712 73 3 0x1100010 0x80 kqread syslogd 9712 357534 1 0 3 0x100002 0x80 sbwait syslogd 24133 281363 1 0 3 0x100000 0x80 kqread resolvd 896 307237 42969 77 3 0x100012 0x80 kqread dhcpleased 42388 7956 42969 77 3 0x100012 0x80 kqread dhcpleased 42969 84673 1 0 3 0 0x80 kqread dhcpleased 33559 286944 0 0 3 0x14000 0x200 bored smr 57462 284620 0 0 2 0x14000 0x200 zerothread 48518 200154 0 0 3 0x14000 0x200 aiodoned aiodoned 46419 184176 0 0 3 0x14000 0x200 syncer update 5433 134266 0 0 3 0x14000 0x200 cleaner cleaner 36444 25027 0 0 3 0x14000 0x200 reaper reaper 78087 361603 0 0 3 0x14000 0x200 pgdaemon pagedaemon 38283 158633 0 0 3 0x14000 0x200 bored viomb 7741 488822 0 0 3 0x14000 0x40000200 acpi0 acpi0 41568 278253 0 0 3 0x14000 0x40000200 idle1 89795 191971 0 0 3 0x14000 0x200 bored softnet1 61821 285815 0 0 3 0x14000 0x200 bored softnet0 3390 356743 0 0 3 0x14000 0x200 smrbar systqmp 67953 395661 0 0 3 0x14000 0x200 bored systq 52507 12688 0 0 3 0x14000 0x200 tmoslp softclockmp 49497 150179 0 0 3 0x14000 0x40000200 tmoslp softclock 83950 365808 0 0 3 0x14000 0x40000200 idle0 1 494362 0 0 3 0x2 0x80 wait init 0 0 -1 0 3 0x10000 0x200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive mutex &pr->ps_mtx r = 0 (0xffffffff85450598) #0 witness_lock+0x632 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x632 sys/kern/subr_witness.c:1160 #1 mtx_enter+0x683 sys/kern/kern_lock.c:487 #2 knote_processfork+0x666 sys/kern/kern_event.c:-1 #3 fork1+0x1225 sys/kern/kern_fork.c:511 #4 kthread_create+0xa8 sys/kern/kern_kthread.c:61 #5 nfs_getset_niothreads+0xe7 sys/nfs/nfs_syscalls.c:702 #6 nfs_sysctl+0x102 sys/nfs/nfs_vfsops.c:894 #7 sys_sysctl+0x54f sys/kern/kern_sysctl.c:309 #8 syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0x1089 sys/arch/amd64/amd64/trap.c:791 #9 Xsyscall+0x128 Process 12530 (syz-executor) thread 0xffff800045ffc548 (146399) exclusive kernel_lock &kernel_lock r = 1 (0xffffffff8545bb40) #0 witness_lock+0x632 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x632 sys/kern/subr_witness.c:1160 #1 sysctl_vslock+0x72 sys/kern/kern_sysctl.c:197 #2 sys_sysctl+0x460 sys/kern/kern_sysctl.c:304 #3 syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] #3 syscall+0x1089 sys/arch/amd64/amd64/trap.c:791 #4 Xsyscall+0x128 exclusive rwlock sysctllk r = 0 (0xffffffff85349d98) #0 witness_lock+0x632 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x632 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x53e sys/kern/kern_rwlock.c:320 #2 sysctl_vslock+0x37 sys/kern/kern_sysctl.c:192 #3 sys_sysctl+0x460 sys/kern/kern_sysctl.c:304 #4 syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] #4 syscall+0x1089 sys/arch/amd64/amd64/trap.c:791 #5 Xsyscall+0x128 exclusive mutex &pr->ps_mtx r = 0 (0xffffffff85450598) #0 witness_lock+0x632 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x632 sys/kern/subr_witness.c:1160 #1 mtx_enter+0x683 sys/kern/kern_lock.c:487 #2 knote_processfork+0x666 sys/kern/kern_event.c:-1 #3 fork1+0x1225 sys/kern/kern_fork.c:511 #4 kthread_create+0xa8 sys/kern/kern_kthread.c:61 #5 nfs_getset_niothreads+0xe7 sys/nfs/nfs_syscalls.c:702 #6 nfs_sysctl+0x102 sys/nfs/nfs_vfsops.c:894 #7 sys_sysctl+0x54f sys/kern/kern_sysctl.c:309 #8 syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0x1089 sys/arch/amd64/amd64/trap.c:791 #9 Xsyscall+0x128 Process 3390 (systqmp) thread 0xffff800045ffe7c8 (356743) shared rwlock systqmp r = 0 (0xffffffff85135718) #0 witness_lock+0x632 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x632 sys/kern/subr_witness.c:1160 #1 taskq_thread+0x1ba sys/kern/kern_task.c:442 #2 proc_trampoline+0x10 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11059 12245K 12394K 166960K 12154 0 pcb 23 24K 24K 166960K 23 0 rtable 268 27K 34K 166960K 350 0 pf 41 31K 31K 166960K 52 0 ifaddr 43 12K 12K 166960K 45 0 ifgroup 55 2K 2K 166960K 55 0 sysctl 1 1K 13K 166960K 5 0 counters 70 42K 42K 166960K 70 0 ioctlops 12 8K 194K 166960K 1488 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1309 84K 84K 166960K 1380 0 UFS quota 1 36K 36K 166960K 1 0 UFS mount 5 44K 44K 166960K 5 0 shm 2 2K 2K 166960K 2 0 VM map 2 1K 1K 166960K 2 0 sem 3 0K 0K 166960K 3 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1734 201K 413K 166960K 11964 0 file desc 19 64K 121K 166960K 159 0 proc 119 130K 181K 166960K 554 0 subproc 81 10K 10K 166960K 81 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 20K 20K 166960K 1 0 ip_moptions 2 0K 0K 166960K 2 0 in_multi 99 7K 7K 166960K 99 0 ether_multi 1 0K 0K 166960K 1 0 mrt 2 0K 0K 166960K 3 0 ISOFS mount 1 36K 36K 166960K 1 0 MSDOSFS mount 1 20K 20K 166960K 1 0 ttys 55 384K 384K 166960K 55 0 exec 28 7K 17K 166960K 384 0 fusefs mount 1 36K 36K 166960K 1 0 tdb 3 1K 1K 166960K 3 0 VM swap 14 124K 124K 166960K 15 0 UVM amap 601 345K 377K 166960K 3127 0 UVM aobj 3 4K 4K 166960K 3 0 pinsyscall 157 278K 370K 166960K 1315 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 1 0K 0K 166960K 1 0 NDP 28 2K 2K 166960K 28 0 temp 306 9311K 9447K 166960K 3956 0 kqueue 18 46K 84K 166960K 30 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 28 0 0 1 0 1 1 0 8 0 rtpcb 120 33 0 30 1 0 1 1 0 8 0 rtentry 176 111 0 12 5 0 5 5 0 8 0 unpcb 144 48 0 26 1 0 1 1 0 8 0 syncache 336 4 0 4 1 0 1 1 0 8 1 tcpcb 736 8 0 4 1 0 1 1 0 8 0 arp 136 18 0 2 1 0 1 1 0 8 0 inpcb 328 79 0 69 2 0 2 2 0 8 1 nd6 152 24 0 3 1 0 1 1 0 8 0 kcovpl 48 9 0 1 1 0 1 1 0 8 0 pffrag 232 5 0 0 1 0 1 1 0 482 0 pffrnode 88 5 0 0 1 0 1 1 0 8 0 pffrent 40 5 0 0 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 4 0 4 1 0 1 1 0 8 1 pfanchor 1288 1 0 1 1 0 1 1 0 8 1 pfstitem 24 34 0 0 1 0 1 1 0 8 0 pfstkey 128 34 0 0 2 0 2 2 0 8 0 pfstate 448 34 0 0 4 0 4 4 0 8 0 pfrule 1360 22 0 17 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 452 0 44 29 0 29 29 0 8 1 art_table 40 453 0 44 5 0 5 5 0 8 0 art_node 32 111 0 12 1 0 1 1 0 8 0 semapl 72 1 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1588 0 121 92 0 92 92 0 8 0 ffsino 296 1588 0 121 113 0 113 113 0 8 0 nchpl 144 1805 0 108 64 0 64 64 0 8 0 vnodes 216 1690 0 0 94 0 94 94 0 8 0 namei 1024 6287 0 6287 2 0 2 2 0 8 2 percpumem 16 51 0 1 1 0 1 1 0 8 0 pfiaddrpl 120 1 0 1 1 0 1 1 0 8 1 kstatmem 264 27 0 2 2 0 2 2 0 8 0 scxspl 216 6717 0 6717 5 4 1 3 1 8 1 plimitpl 152 32 0 15 1 0 1 1 0 8 0 sigapl 424 475 0 427 7 0 7 7 0 8 1 knotepl 120 57 0 0 2 0 2 2 0 8 0 kqueuepl 224 27 0 16 1 0 1 1 0 8 0 pipepl 344 131 0 104 3 0 3 3 0 8 0 fdescpl 528 458 0 427 3 0 3 3 0 8 0 filepl 160 1672 0 1444 10 0 10 10 0 8 0 lockfpl 104 6 0 4 1 0 1 1 0 8 0 lockfspl 48 4 0 2 1 0 1 1 0 8 0 sessionpl 144 26 0 15 1 0 1 1 0 8 0 pgrppl 48 35 0 16 1 0 1 1 0 8 0 ucredpl 104 113 0 100 1 0 1 1 0 8 0 zombiepl 144 428 0 427 1 0 1 1 0 8 0 processpl 1232 475 0 427 5 0 5 5 0 8 0 procpl 664 512 0 459 6 0 6 6 0 8 1 sockpl 752 160 0 125 4 0 4 4 0 8 0 mcl64k 65536 4 0 0 1 0 1 1 0 8 0 mcl16k 16384 3 0 0 1 0 1 1 0 8 0 mcl12k 12288 2 0 0 1 0 1 1 0 8 0 mcl9k128 9344 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 5 0 0 1 0 1 1 0 8 0 mcl4k 4096 121 0 0 16 0 16 16 0 8 0 mcl2k 2048 18 0 0 3 0 3 3 0 8 0 mextrefs 64 16 0 0 1 0 1 1 0 8 0 mtagpl 96 1 0 0 1 0 1 1 0 8 0 mbufpl 256 171 0 0 11 0 11 11 0 8 0 bufpl 272 2346 0 106 150 0 150 150 0 8 0 anonpl 32 3796 0 0 31 0 31 31 0 222 0 amapchunkpl 152 8738 0 8311 22 0 22 22 0 158 4 amappl16 200 1799 0 1781 5 2 3 5 0 8 0 amappl15 192 2 0 2 1 1 0 1 0 8 0 amappl14 184 437 0 436 1 0 1 1 0 8 0 amappl13 176 128 0 116 1 0 1 1 0 8 0 amappl12 168 726 0 698 2 0 2 2 0 8 0 amappl11 160 11 0 11 1 1 0 1 0 8 0 amappl10 152 102 0 87 1 0 1 1 0 8 0 amappl9 144 273 0 272 1 0 1 1 0 8 0 amappl8 136 109 0 108 1 0 1 1 0 8 0 amappl7 128 151 0 138 1 0 1 1 0 8 0 amappl6 120 155 0 154 1 0 1 1 0 8 0 amappl5 112 102 0 92 1 0 1 1 0 8 0 amappl4 104 292 0 272 1 0 1 1 0 8 0 amappl3 96 1556 0 1470 3 0 3 3 0 8 0 amappl2 88 565 0 492 2 0 2 2 0 8 0 amappl1 80 10676 0 10076 15 0 15 15 0 8 1 amappl 88 2402 0 2264 4 0 4 4 0 92 0 uvmvnodes 80 98 0 0 2 0 2 2 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 2 0 0 1 0 1 1 0 8 0 uaddrrnd 24 458 0 427 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 458 0 427 1 0 1 1 0 8 0 vmmpekpl 168 5876 0 5843 3 0 3 3 0 8 0 vmmpepl 168 39058 0 37191 87 0 87 87 0 357 5 vmsppl 488 457 0 427 5 0 5 5 0 8 1 rwobjpl 80 14756 0 13766 23 0 23 23 0 8 0 pdppl 4096 925 0 854 101 30 71 87 0 8 0 pvpl 32 10777 0 0 88 0 88 88 0 265 1 pmappl 256 457 0 427 3 0 3 3 0 8 0 extentpl 40 47 0 29 1 0 1 1 0 8 0 phpool 120 425 0 33 13 0 13 13 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace knote_processfork(ffffffff85450480,92d9) at knote_processfork+0x287 sys/kern/kern_event.c:2246 fork1(ffffffff85450120,f0,ffffffff837d8160,0,0,ffff80002f6e0a60) at fork1+0x1225 sys/kern/kern_fork.c:511 kthread_create(ffffffff837d8160,0,0,ffffffff84c180c0) at kthread_create+0xa8 sys/kern/kern_kthread.c:61 nfs_getset_niothreads(1) at nfs_getset_niothreads+0xe7 sys/nfs/nfs_syscalls.c:702 nfs_sysctl(ffff80002f6e0c68,1,0,ffff80002f6e0c40,200000000200,0,ffff80002f6e0ec0) at nfs_sysctl+0x102 sys/nfs/nfs_vfsops.c:894 sys_sysctl(ffff800045ffc548,ffff80002f6e0ec0,ffff80002f6e0e20) at sys_sysctl+0x54f sys/kern/kern_sysctl.c:309 syscall(ffff80002f6e0ec0) at syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002f6e0ec0) at syscall+0x1089 sys/arch/amd64/amd64/trap.c:791 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc8f1081820, count: -8 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x19: leave x86_ipi_db(ffff800028fe3ff0) at x86_ipi_db+0x19 sys/arch/amd64/amd64/db_interface.c:412 x86_ipi_handler() at x86_ipi_handler+0x112 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __asan_load4_noabort(ffffffff8545bb38) at __asan_load4_noabort+0x66 sys/kern/subr_kasan.c:1098 __mp_lock(ffffffff8545b340) at __mp_lock+0x27a __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff8545b340) at __mp_lock+0x27a sys/kern/kern_lock.c:173 syscall(ffff800029aa4350) at syscall+0x1048 mi_syscall sys/sys/syscall_mi.h:175 [inline] syscall(ffff800029aa4350) at syscall+0x1048 sys/arch/amd64/amd64/trap.c:791 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x76dddc0693d0, count: 8 ddb{1}> trace x86_ipi_db(ffff800028fe3ff0) at x86_ipi_db+0x19 sys/arch/amd64/amd64/db_interface.c:412 x86_ipi_handler() at x86_ipi_handler+0x112 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __asan_load4_noabort(ffffffff8545bb38) at __asan_load4_noabort+0x66 sys/kern/subr_kasan.c:1098 __mp_lock(ffffffff8545b340) at __mp_lock+0x27a __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff8545b340) at __mp_lock+0x27a sys/kern/kern_lock.c:173 syscall(ffff800029aa4350) at syscall+0x1048 mi_syscall sys/sys/syscall_mi.h:175 [inline] syscall(ffff800029aa4350) at syscall+0x1048 sys/arch/amd64/amd64/trap.c:791 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x76dddc0693d0, count: -7