uvm_fault(0xfffffd807efffe60, 0x0, 0, 1) -> e kernel: page fault trap, code=0 Stopped at uvm_fault_lower+0xbb1: movq 0(%rbx),%rdi TID PID UID PRFLAGS PFLAGS CPU COMMAND *328587 31415 32767 0x10 0x4000000 1K syz-executor.0 278725 31415 32767 0x10 0x4000000 0 syz-executor.0 uvm_fault_lower(ffff80002246b900,ffff80002246b938,ffff80002246b880,0) at uvm_fault_lower+0xbb1 sys/uvm/uvm_fault.c:1325 uvm_fault(fffffd807efffe60,20001000,0,1) at uvm_fault+0x24f sys/uvm/uvm_fault.c:640 kpageflttrap(ffff80002246ba90,20001880) at kpageflttrap+0x1fd sys/arch/amd64/amd64/trap.c:264 kerntrap(ffff80002246ba90) at kerntrap+0xef sys/arch/amd64/amd64/trap.c:318 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyin() at copyin+0x53 sys_preadv(ffff8000fffef500,ffff80002246bd08,ffff80002246bd60) at sys_preadv+0x5a sys/kern/vfs_syscalls.c:3281 syscall(ffff80002246bdd0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff80002246bdd0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x9b1d0d93a30, count: 6 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: uvm_fault(0xfffffd807efffe60, 0x0, 0, 1) -> e ddb{1}> trace uvm_fault_lower(ffff80002246b900,ffff80002246b938,ffff80002246b880,0) at uvm_fault_lower+0xbb1 sys/uvm/uvm_fault.c:1325 uvm_fault(fffffd807efffe60,20001000,0,1) at uvm_fault+0x24f sys/uvm/uvm_fault.c:640 kpageflttrap(ffff80002246ba90,20001880) at kpageflttrap+0x1fd sys/arch/amd64/amd64/trap.c:264 kerntrap(ffff80002246ba90) at kerntrap+0xef sys/arch/amd64/amd64/trap.c:318 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyin() at copyin+0x53 sys_preadv(ffff8000fffef500,ffff80002246bd08,ffff80002246bd60) at sys_preadv+0x5a sys/kern/vfs_syscalls.c:3281 syscall(ffff80002246bdd0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff80002246bdd0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x9b1d0d93a30, count: -9 ddb{1}> show registers rdi 0 rsi 0 rbp 0xffff80002246b7f0 rbx 0 rdx 0 rcx 0x8 rax 0xffff8000fffef500 r8 0xffffffff81a8edde witness_assert+0x1fe r9 0x5 r10 0 r11 0x7b07c0978698dc9b r12 0xffff80002246b900 r13 0xfffffd807ea31bb0 r14 0 r15 0xffffffff81b25d00 uvn_flush+0x950 rip 0xffffffff817b9101 uvm_fault_lower+0xbb1 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80002246b760 ss 0 uvm_fault_lower+0xbb1: movq 0(%rbx),%rdi ddb{1}> show proc PROC (syz-executor.0) pid=328587 stat=onproc flags process=10 proc=4000000 pri=36, usrpri=74, nice=20 forw=0xffffffffffffffff, list=0xffff8000fffefa40,0xffff8000fffef270 process=0xffff8000ffffa148 user=0xffff800022466000, vmspace=0xfffffd807efffe60 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 31415 249682 58882 32767 2 0x10 syz-executor.0 *31415 328587 58882 32767 7 0x4000010 syz-executor.0 31415 278725 58882 32767 7 0x4000010 syz-executor.0 8742 163005 13051 32767 2 0x400010 syz-executor.1 8742 216330 13051 32767 3 0x4400090 kqread syz-executor.1 8742 427018 13051 32767 2 0x4400010 syz-executor.1 58882 37416 69689 32767 3 0x90 nanoslp syz-executor.0 69689 336043 65113 0 3 0x82 wait syz-executor.0 13051 113329 51577 32767 3 0x90 nanoslp syz-executor.1 51577 234646 65113 0 3 0x82 wait syz-executor.1 460 29996 0 0 3 0x14200 bored sosplice 65113 444878 94984 0 3 0x82 thrsleep syz-fuzzer 65113 311153 94984 0 3 0x4000082 thrsleep syz-fuzzer 65113 371335 94984 0 3 0x4000082 kqread syz-fuzzer 65113 83399 94984 0 3 0x4000082 thrsleep syz-fuzzer 65113 374222 94984 0 3 0x4000082 thrsleep syz-fuzzer 65113 84374 94984 0 3 0x4000082 thrsleep syz-fuzzer 65113 11254 94984 0 3 0x4000082 thrsleep syz-fuzzer 65113 483427 94984 0 3 0x4000082 thrsleep syz-fuzzer 94984 117781 86349 0 3 0x10008a sigsusp ksh 86349 471990 63204 0 3 0x9a kqread sshd 78898 358111 1 0 3 0x100083 ttyin getty 63204 426724 1 0 3 0x88 kqread sshd 43664 105129 4940 73 3 0x100090 kqread syslogd 4940 168820 1 0 3 0x100082 netio syslogd 68801 91995 1 0 3 0x100080 kqread resolvd 68360 181968 93460 77 3 0x100092 kqread dhcpleased 3907 477637 93460 77 3 0x100092 kqread dhcpleased 93460 351671 1 0 3 0x80 kqread dhcpleased 71790 335834 0 0 3 0x14200 bored smr 19829 199145 0 0 2 0x14200 zerothread 59267 188345 0 0 3 0x14200 aiodoned aiodoned 19444 232206 0 0 3 0x14200 syncer update 55245 268558 0 0 3 0x14200 cleaner cleaner 74874 275477 0 0 3 0x14200 reaper reaper 58826 65047 0 0 3 0x14200 pgdaemon pagedaemon 74248 488327 0 0 3 0x14200 bored viomb 33788 284373 0 0 3 0x40014200 acpi0 acpi0 55807 91928 0 0 3 0x40014200 idle1 23302 122120 0 0 3 0x14200 bored softnet 19917 383140 0 0 3 0x14200 bored systqmp 3925 372619 0 0 3 0x14200 bored systq 48690 473348 0 0 3 0x40014200 bored softclock 58007 156318 0 0 3 0x40014200 idle0 1 469012 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 31415 (syz-executor.0) thread 0xffff8000fffef500 (328587) exclusive kernel_lock &kernel_lock r = 1 (0xffffffff828b70b8) #0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4b0 sys/kern/subr_witness.c:1182 #1 __mp_acquire_count+0x4c sys/kern/kern_lock.c:227 #2 mi_switch+0x3d3 sys/kern/sched_bsd.c:416 #3 sleep_finish+0x1b2 sys/kern/kern_synch.c:433 #4 rw_enter+0x35b sys/kern/kern_rwlock.c:286 #5 uvmfault_relock+0x6f sys/uvm/uvm_fault.c:1801 #6 uvm_fault_lower+0x931 sys/uvm/uvm_fault.c:1288 #7 uvm_fault+0x24f sys/uvm/uvm_fault.c:640 #8 kpageflttrap+0x1fd sys/arch/amd64/amd64/trap.c:264 #9 kerntrap+0xef sys/arch/amd64/amd64/trap.c:318 #10 alltraps_kern_meltdown+0x7b #11 copyin+0x53 #12 sys_preadv+0x5a sys/kern/vfs_syscalls.c:3281 #13 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #13 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #14 Xsyscall+0x128 Process 31415 (syz-executor.0) thread 0xffff8000fffef260 (278725) exclusive rwlock amaplk r = 0 (0xfffffd8065d712b0) #0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4b0 sys/kern/subr_witness.c:1182 #1 uvm_fault_check+0x3d2 sys/uvm/uvm_fault.c:776 #2 uvm_fault+0x102 sys/uvm/uvm_fault.c:602 #3 upageflttrap+0x82 sys/arch/amd64/amd64/trap.c:181 #4 usertrap+0x214 sys/arch/amd64/amd64/trap.c:403 #5 recall_trap+0x8 shared rwlock vmmaplk r = 0 (0xfffffd807efffe78) #0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4b0 sys/kern/subr_witness.c:1182 #1 uvmfault_lookup+0xe9 sys/uvm/uvm_fault.c:1745 #2 uvm_fault_check+0x3a sys/uvm/uvm_fault.c:676 #3 uvm_fault+0x102 sys/uvm/uvm_fault.c:602 #4 upageflttrap+0x82 sys/arch/amd64/amd64/trap.c:181 #5 usertrap+0x214 sys/arch/amd64/amd64/trap.c:403 #6 recall_trap+0x8 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10161 6395K 6416K 78643K 11361 0 pcb 13 12K 14K 78643K 17 0 rtable 112 3K 4K 78643K 2135 0 ifaddr 39 10K 10K 78643K 294 0 sysctl 2 0K 0K 78643K 2 0 counters 44 34K 34K 78643K 116 0 ioctlops 0 0K 2K 78643K 146 0 iov 0 0K 24K 78643K 1890 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 5 0 vnodes 1209 76K 76K 78643K 5949 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 135 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 5197 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12598 0 file desc 8 25K 33K 78643K 18236 0 sigio 0 0K 0K 78643K 1308 0 proc 56 74K 99K 78643K 2176 0 subproc 26 1K 1K 78643K 494 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 1730 0 in_multi 33 2K 2K 78643K 586 0 ether_multi 1 0K 0K 78643K 78 0 mrt 1 0K 0K 78643K 6 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 283 1261K 1261K 78643K 283 0 exec 0 0K 2K 78643K 3303 0 tdb 3 0K 0K 78643K 3 0 pagedep 1 8K 8K 78643K 1 0 inodedep 1 32K 32K 78643K 1 0 newblk 1 0K 0K 78643K 1 0 VM swap 7 26K 26K 78643K 7 0 UVM amap 307 37K 50K 78643K 242041 0 UVM aobj 131 5K 7K 78643K 137 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 413 0 NDP 5 0K 0K 78643K 117 0 temp 76 4195K 4275K 78643K 46283 0 kqueue 22 38K 48K 78643K 4600 0 SYN cache 2 16K 16K 78643K 2 0 ddb{1}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 22 0 0 1 0 1 1 0 8 0 rtpcb 120 1714 0 1711 24 23 1 4 0 8 0 rtentry 112 477 0 430 2 0 2 2 0 8 0 unpcb 128 47858 0 47843 256 255 1 9 0 8 0 syncache 296 138 0 138 42 42 0 1 0 8 0 tcpqe 32 35 0 35 15 15 0 1 0 8 0 tcpcb 736 8127 0 8123 279 278 1 13 0 8 0 arp 120 84 0 78 1 0 1 1 0 8 0 ipq 40 34 0 33 12 11 1 1 0 8 0 ipqe 40 305 0 304 12 11 1 1 0 8 0 inpcb 304 15198 0 15189 288 287 1 14 0 8 0 rttmr 72 67 0 66 1 0 1 1 0 8 0 ip6q 72 82 0 81 14 13 1 1 0 8 0 ip6af 40 164 0 163 14 13 1 1 0 8 0 nd6 48 143 0 135 1 0 1 1 0 8 0 kcovpl 48 38 0 36 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 2121 0 1873 30 14 16 19 0 8 0 art_table 32 2122 0 1873 5 2 3 3 0 8 0 art_node 16 476 0 433 1 0 1 1 0 8 0 sysvmsgpl 40 9 0 6 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 5194 0 5184 1 0 1 1 0 8 0 shmpl 112 134 0 6 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 26230 0 24794 91 0 91 91 0 8 1 ffsino 272 26230 0 24794 99 2 97 97 0 8 1 nchpl 144 50184 0 48583 61 1 60 61 0 8 0 uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0 vnodes 224 5926 0 0 349 0 349 349 0 8 0 namei 1024 163742 0 163742 13 12 1 1 0 8 1 percpumem 16 70 0 36 1 0 1 1 0 8 0 scxspl 216 156019 0 156019 52 51 1 8 0 8 1 plimitpl 152 4111 0 4101 1 0 1 1 0 8 0 sigapl 424 18350 0 18316 4 0 4 4 0 8 0 futexpl 64 130316 0 130316 13 12 1 1 0 8 1 knotepl 112 391 0 0 5 1 4 4 0 8 0 kqueuepl 216 17598 0 17567 195 191 4 8 0 8 2 pipepl 336 4652 0 4642 152 151 1 7 0 8 0 fdescpl 496 18335 0 18316 3 0 3 3 0 8 0 filepl 152 160975 0 160868 399 393 6 20 0 8 1 lockfpl 104 2439 0 2437 2 1 1 2 0 8 0 lockfspl 48 781 0 779 1 0 1 1 0 8 0 sessionpl 144 53 0 43 1 0 1 1 0 8 0 pgrppl 48 295 0 285 1 0 1 1 0 8 0 ucredpl 96 23749 0 23737 1 0 1 1 0 8 0 zombiepl 144 18316 0 18316 1 0 1 1 0 8 1 processpl 1064 18350 0 18316 3 0 3 3 0 8 0 procpl 672 58744 0 58699 40 35 5 6 0 8 1 sosppl 168 178 0 178 36 36 0 1 0 8 0 sockpl 480 65111 0 65084 1627 1622 5 36 0 8 1 mcl64k 65536 65 0 0 7 4 3 3 0 8 0 mcl16k 16384 33 0 0 5 2 3 3 0 8 0 mcl12k 12288 46 0 0 2 0 2 2 0 8 0 mcl9k 9216 35 0 0 2 0 2 2 0 8 0 mcl8k 8192 34 0 0 4 1 3 3 0 8 0 mcl4k 4096 46 0 0 4 1 3 3 0 8 0 mcl2k2 2112 28 0 0 2 1 1 2 0 8 0 mcl2k 2048 461 0 0 19 8 11 19 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 1631 0 0 34 7 27 30 0 8 0 bufpl 288 39961 0 33639 452 0 452 452 0 8 0 anonpl 24 5532753 0 5520444 382 287 95 106 0 186 5 amapchunkpl 152 610034 0 609453 220 196 24 38 0 158 1 amappl16 200 54760 0 54414 302 273 29 32 0 8 9 amappl15 192 5837 0 5829 1 0 1 1 0 8 0 amappl14 184 2883 0 2880 1 0 1 1 0 8 0 amappl13 176 579 0 576 1 0 1 1 0 8 0 amappl12 168 959 0 957 1 0 1 1 0 8 0 amappl11 160 1204 0 1188 1 0 1 1 0 8 0 amappl10 152 2746 0 2742 1 0 1 1 0 8 0 amappl9 144 1115 0 1113 1 0 1 1 0 8 0 amappl8 136 6560 0 6431 6 1 5 5 0 8 0 amappl7 128 5549 0 5541 1 0 1 1 0 8 0 amappl6 120 1073 0 1058 1 0 1 1 0 8 0 amappl5 112 17962 0 17945 1 0 1 1 0 8 0 amappl4 104 5460 0 5427 1 0 1 1 0 8 0 amappl3 96 2652 0 2636 1 0 1 1 0 8 0 amappl2 88 19954 0 19906 2 0 2 2 0 8 0 amappl1 80 327425 0 326974 12 2 10 12 0 8 0 amappl 88 240524 0 240345 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 72 136 0 6 3 0 3 3 0 8 0 uaddrrnd 24 18335 0 18316 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 18335 0 18316 1 0 1 1 0 8 0 vmmpekpl 168 148716 0 148687 2 0 2 2 0 8 0 vmmpepl 168 1719396 0 1717580 406 317 89 101 0 357 5 vmsppl 368 18334 0 18316 2 0 2 2 0 8 0 rwobjpl 56 435433 0 428190 162 56 106 106 0 8 2 pdppl 4096 36678 0 36632 85 39 46 50 0 8 0 pvpl 32 9176767 0 9160715 827 666 161 203 0 265 14 pmappl 248 18334 0 18316 2 0 2 2 0 8 0 extentpl 40 57 0 38 1 0 1 1 0 8 0 phpool 112 1283 0 521 24 1 23 23 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp x86_ipi_db(ffffffff827adff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 __mp_lock(ffffffff828b6eb0) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff828b6eb0) at __mp_lock+0x122 sys/kern/kern_lock.c:147 softintr_dispatch(0) at softintr_dispatch+0x4e sys/arch/amd64/amd64/softintr.c:90 Xsoftclock() at Xsoftclock+0x1f __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0xb sys/dev/kcov.c:139 uvm_fault(fffffd807efffe60,9b1be220000,0,2) at uvm_fault+0x233 sys/uvm/uvm_fault.c:639 upageflttrap(ffff8000224715d0,9b1be220f88) at upageflttrap+0x82 sys/arch/amd64/amd64/trap.c:181 usertrap(ffff8000224715d0) at usertrap+0x214 sys/arch/amd64/amd64/trap.c:403 recall_trap() at recall_trap+0x8 end trace frame: 0x0, count: 4 ddb{0}> trace x86_ipi_db(ffffffff827adff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 __mp_lock(ffffffff828b6eb0) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff828b6eb0) at __mp_lock+0x122 sys/kern/kern_lock.c:147 softintr_dispatch(0) at softintr_dispatch+0x4e sys/arch/amd64/amd64/softintr.c:90 Xsoftclock() at Xsoftclock+0x1f __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0xb sys/dev/kcov.c:139 uvm_fault(fffffd807efffe60,9b1be220000,0,2) at uvm_fault+0x233 sys/uvm/uvm_fault.c:639 upageflttrap(ffff8000224715d0,9b1be220f88) at upageflttrap+0x82 sys/arch/amd64/amd64/trap.c:181 usertrap(ffff8000224715d0) at usertrap+0x214 sys/arch/amd64/amd64/trap.c:403 recall_trap() at recall_trap+0x8 end trace frame: 0x0, count: -11 ddb{0}> machine ddbcpu 1 Stopped at uvm_fault_lower+0xbb1: movq 0(%rbx),%rdi uvm_fault_lower(ffff80002246b900,ffff80002246b938,ffff80002246b880,0) at uvm_fault_lower+0xbb1 sys/uvm/uvm_fault.c:1325 uvm_fault(fffffd807efffe60,20001000,0,1) at uvm_fault+0x24f sys/uvm/uvm_fault.c:640 kpageflttrap(ffff80002246ba90,20001880) at kpageflttrap+0x1fd sys/arch/amd64/amd64/trap.c:264 kerntrap(ffff80002246ba90) at kerntrap+0xef sys/arch/amd64/amd64/trap.c:318 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyin() at copyin+0x53 sys_preadv(ffff8000fffef500,ffff80002246bd08,ffff80002246bd60) at sys_preadv+0x5a sys/kern/vfs_syscalls.c:3281 syscall(ffff80002246bdd0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff80002246bdd0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x9b1d0d93a30, count: 6 ddb{1}> trace uvm_fault_lower(ffff80002246b900,ffff80002246b938,ffff80002246b880,0) at uvm_fault_lower+0xbb1 sys/uvm/uvm_fault.c:1325 uvm_fault(fffffd807efffe60,20001000,0,1) at uvm_fault+0x24f sys/uvm/uvm_fault.c:640 kpageflttrap(ffff80002246ba90,20001880) at kpageflttrap+0x1fd sys/arch/amd64/amd64/trap.c:264 kerntrap(ffff80002246ba90) at kerntrap+0xef sys/arch/amd64/amd64/trap.c:318 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyin() at copyin+0x53 sys_preadv(ffff8000fffef500,ffff80002246bd08,ffff80002246bd60) at sys_preadv+0x5a sys/kern/vfs_syscalls.c:3281 syscall(ffff80002246bdd0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff80002246bdd0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x9b1d0d93a30, count: -9