uvm_fault(0xffffffff82805ac0, 0xfffffd0000000010, 0, 1) -> e kernel: page fault trap, code=0 Stopped at pool_cache_get+0x1b1: movq 0x10(%r14),%r13 ddb{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic kernel page fault uvm_fault(0xffffffff82805ac0, 0xfffffd0000000010, 0, 1) -> e pool_cache_get(ffffffff82909780) at pool_cache_get+0x1b1 pool_cache_item_magic_check sys/kern/subr_pool.c:1770 [inline] pool_cache_get(ffffffff82909780) at pool_cache_get+0x1b1 sys/kern/subr_pool.c:1884 end trace frame: 0xffff800020e63030, count: 0 ddb{1}> trace pool_cache_get(ffffffff82909780) at pool_cache_get+0x1b1 pool_cache_item_magic_check sys/kern/subr_pool.c:1770 [inline] pool_cache_get(ffffffff82909780) at pool_cache_get+0x1b1 sys/kern/subr_pool.c:1884 pool_get(ffffffff82909780,2) at pool_get+0x91 sys/kern/subr_pool.c:572 m_copym(fffffd80644d3400,2a24,580,2) at m_copym+0x174 m_get sys/kern/uipc_mbuf.c:250 [inline] m_copym(fffffd80644d3400,2a24,580,2) at m_copym+0x174 sys/kern/uipc_mbuf.c:667 tcp_output(ffff800000ad9cc0) at tcp_output+0x15ba sys/netinet/tcp_output.c:673 tcp_usrreq(fffffd806eae3968,9,fffffd806d445300,0,0,ffff800020e41d50) at tcp_usrreq+0xa55 sosend(fffffd806eae3968,0,ffff800020e634c8,0,0,80) at sosend+0x671 sys/kern/uipc_socket.c:555 dofilewritev(ffff800020e41d50,4,ffff800020e634c8,0,ffff800020e635b0) at dofilewritev+0x1b6 sys/kern/sys_generic.c:365 sys_write(ffff800020e41d50,ffff800020e63560,ffff800020e635b0) at sys_write+0x83 sys/kern/sys_generic.c:285 syscall(ffff800020e63630) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800020e63630) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffbc0d0, count: -10 ddb{1}> show registers rdi 0 rsi 0x7 rbp 0xffff800020e62f70 rbx 0xbf4233acda62e0f5 rdx 0x580 rcx 0 rax 0 r8 0xffffffff81d5c56a tcp_output+0xbea r9 0x5 r10 0x3 r11 0xfb4dd2d7bdf5bea7 r12 0xffffffff82909780 mbpool r13 0 r14 0xfffffd0000000000 r15 0xfffffd807f008d80 rip 0xffffffff81b3edf1 pool_cache_get+0x1b1 cs 0x8 rflags 0x10286 __ALIGN_SIZE+0xf286 rsp 0xffff800020e62f10 ss 0x10 pool_cache_get+0x1b1: movq 0x10(%r14),%r13 ddb{1}> show proc PROC (sshd) pid=85903 stat=onproc flags process=12 proc=0 pri=50, usrpri=50, nice=20 forw=0xffffffffffffffff, list=0xffff800020e40010,0xffff800020e40290 process=0xffff800020e38ba0 user=0xffff800020e5e000, vmspace=0xfffffd806e9048a8 estcpu=0, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 65359 45896 96261 0 3 0x2 biowait syz-executor.1 18388 34437 0 0 3 0x14280 nfsidl nfsio 55459 204238 0 0 3 0x14280 nfsidl nfsio 55184 328719 0 0 3 0x14280 nfsidl nfsio 14675 6067 0 0 3 0x14280 nfsidl nfsio 33141 56397 0 0 3 0x14280 nfsidl nfsio 43930 419949 0 0 3 0x14280 nfsidl nfsio 48799 363365 0 0 3 0x14280 nfsidl nfsio 99172 202369 0 0 3 0x14280 nfsidl nfsio 18301 196807 0 0 3 0x14280 nfsidl nfsio 11825 344103 0 0 3 0x14280 nfsidl nfsio 70929 404567 0 0 3 0x14280 nfsidl nfsio 29616 329687 0 0 3 0x14280 nfsidl nfsio 45736 20995 0 0 3 0x14280 nfsidl nfsio 16445 202744 0 0 3 0x14280 nfsidl nfsio 65059 106987 0 0 3 0x14280 nfsidl nfsio 62835 49704 0 0 3 0x14280 nfsidl nfsio 30672 297106 0 0 3 0x14280 nfsidl nfsio 3905 415224 0 0 3 0x14280 nfsidl nfsio 91967 319389 0 0 3 0x14280 nfsidl nfsio 55284 168063 0 0 3 0x14280 nfsidl nfsio 3616 88081 0 0 3 0x14200 acct acct 30432 248656 96261 0 3 0x82 piperd syz-executor.0 96261 228513 48935 0 3 0x82 thrsleep syz-fuzzer 96261 467324 48935 0 3 0x4000082 nanosleep syz-fuzzer 96261 438513 48935 0 3 0x4000082 thrsleep syz-fuzzer 96261 237201 48935 0 3 0x4000082 thrsleep syz-fuzzer 96261 175357 48935 0 7 0x4000002 syz-fuzzer 96261 510924 48935 0 3 0x4000082 kqread syz-fuzzer 96261 131689 48935 0 3 0x4000082 thrsleep syz-fuzzer 96261 395374 48935 0 3 0x4000082 thrsleep syz-fuzzer 96261 49069 48935 0 3 0x4000082 thrsleep syz-fuzzer 96261 442604 48935 0 3 0x4000082 thrsleep syz-fuzzer 48935 75262 87438 0 3 0x10008a pause ksh *87438 85903 15658 0 7 0x12 sshd 77290 383385 1 0 3 0x100083 ttyin getty 15658 345524 1 0 3 0x80 select sshd 80299 277859 2783 74 3 0x100092 bpf pflogd 2783 393327 1 0 3 0x80 netio pflogd 42085 343546 17873 73 3 0x100090 kqread syslogd 17873 221233 1 0 3 0x100082 netio syslogd 26775 435050 1 77 3 0x100090 poll dhclient 37288 463844 1 0 3 0x80 poll dhclient 54417 390561 0 0 3 0x14200 bored smr 38394 223441 0 0 3 0x14200 pgzero zerothread 88576 129909 0 0 3 0x14200 aiodoned aiodoned 19229 490386 0 0 3 0x14200 syncer update 21119 59395 0 0 3 0x14200 cleaner cleaner 47577 73483 0 0 3 0x14200 reaper reaper 52342 109513 0 0 3 0x14200 pgdaemon pagedaemon 28514 170846 0 0 3 0x14200 bored crynlk 9266 474060 0 0 3 0x14200 bored crypto 87693 41609 0 0 3 0x40014200 acpi0 acpi0 56099 86366 0 0 3 0x40014200 idle1 41911 499355 0 0 3 0x14200 bored softnet 95248 178398 0 0 3 0x14200 bored systqmp 18882 118851 0 0 3 0x14200 bored systq 83365 117559 0 0 3 0x40014200 bored softclock 36619 353136 0 0 3 0x40014200 idle0 1 419066 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 65359 (syz-executor.1) thread 0xffff800020e22018 (45896) exclusive rrwlock inode r = 0 (0xfffffd8064b690a0) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 rw_enter+0x453 sys/kern/kern_rwlock.c:311 #2 rrw_enter+0x88 sys/kern/kern_rwlock.c:462 #3 VOP_LOCK+0x4b sys/kern/vfs_vops.c:603 #4 vn_lock+0x81 sys/kern/vfs_vnops.c:575 #5 vget+0x1c8 sys/kern/vfs_subr.c:671 #6 ufs_ihashget+0x141 sys/ufs/ufs/ufs_ihash.c:119 #7 ffs_vget+0x74 sys/ufs/ffs/ffs_vfsops.c:1329 #8 ufs_lookup+0x14b7 sys/ufs/ufs/ufs_lookup.c:487 #9 VOP_LOOKUP+0x5b sys/kern/vfs_vops.c:90 #10 vfs_lookup+0x7a6 sys/kern/vfs_lookup.c:568 #11 namei+0x63c sys/kern/vfs_lookup.c:249 #12 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1853 #13 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #13 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8064b692c0) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 rw_enter+0x453 sys/kern/kern_rwlock.c:311 #2 rrw_enter+0x88 sys/kern/kern_rwlock.c:462 #3 VOP_LOCK+0x4b sys/kern/vfs_vops.c:603 #4 vn_lock+0x81 sys/kern/vfs_vnops.c:575 #5 vfs_lookup+0xe6 sys/kern/vfs_lookup.c:419 #6 namei+0x63c sys/kern/vfs_lookup.c:249 #7 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1853 #8 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #8 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #9 Xsyscall+0x128 Process 87438 (sshd) thread 0xffff800020e41d50 (85903) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82902548) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 pageflttrap+0x7f sys/arch/amd64/amd64/trap.c:180 #2 kerntrap+0xec sys/arch/amd64/amd64/trap.c:302 #3 alltraps_kern_meltdown+0x7b #4 pool_cache_get+0x1b1 pool_cache_item_magic_check sys/kern/subr_pool.c:1770 [inline] #4 pool_cache_get+0x1b1 sys/kern/subr_pool.c:1884 #5 pool_get+0x91 sys/kern/subr_pool.c:572 #6 m_copym+0x174 m_get sys/kern/uipc_mbuf.c:250 [inline] #6 m_copym+0x174 sys/kern/uipc_mbuf.c:667 #7 tcp_output+0x15ba sys/netinet/tcp_output.c:673 #8 tcp_usrreq+0xa55 #9 sosend+0x671 sys/kern/uipc_socket.c:555 #10 dofilewritev+0x1b6 sys/kern/sys_generic.c:365 #11 sys_write+0x83 sys/kern/sys_generic.c:285 #12 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #12 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #13 Xsyscall+0x128 exclusive rwlock netlock r = 0 (0xffffffff82753778) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 solock+0x5a sys/kern/uipc_socket2.c:282 #2 sosend+0x559 sys/kern/uipc_socket.c:543 #3 dofilewritev+0x1b6 sys/kern/sys_generic.c:365 #4 sys_write+0x83 sys/kern/sys_generic.c:285 #5 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #5 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #6 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9537 6432K 7454K 78643K 11678 0 pcb 13 8K 8K 78643K 652 0 rtable 107 7K 7K 78643K 718 0 ifaddr 95 18K 18K 78643K 201 0 sysctl 2 0K 0K 78643K 2 0 counters 43 33K 34K 78643K 61 0 ioctlops 0 0K 4K 78643K 1556 0 iov 0 0K 32K 78643K 95 0 mount 1 1K 1K 78643K 1 0 vnodes 1221 77K 77K 78643K 1562 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 7 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 1K 78643K 108 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1824 197K 290K 78643K 13058 0 file desc 4 9K 25K 78643K 735 0 sigio 0 0K 0K 78643K 6 0 proc 62 63K 95K 78643K 521 0 subproc 32 2K 2K 78643K 53 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 269 0 in_multi 56 2K 2K 78643K 465 0 ether_multi 1 0K 0K 78643K 5 0 mrt 0 0K 0K 78643K 9 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 43 201K 201K 78643K 43 0 exec 0 0K 1K 78643K 260 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 135 56K 72K 78643K 3127 0 UVM aobj 16 4K 4K 78643K 20 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 270 0 NDP 15 0K 0K 78643K 37 0 temp 132 3869K 3937K 78643K 10617 0 kqueue 3 4K 8K 78643K 16 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 arp 64 11 0 5 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 41 0 39 1 0 1 1 0 8 0 rtentry 112 91 0 55 2 0 2 2 0 8 0 unpcb 120 393 0 383 1 0 1 1 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpcb 544 405 0 401 1 0 1 1 0 8 0 inpcb 296 1626 0 1619 3 1 2 2 0 8 1 rttmr 72 2 0 2 1 1 0 1 0 8 0 nd6 48 26 0 24 1 0 1 1 0 8 0 pkpcb 40 3 0 3 1 1 0 1 0 8 0 ppxss 1128 2 0 2 1 1 0 1 0 8 0 pfstscr 40 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 2 0 1 1 0 1 1 0 8 0 pfosfp 40 846 0 423 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfrktable 1344 64 0 58 2 1 1 1 0 8 0 pfstitem 24 20 0 9 1 0 1 1 0 8 0 pfstkey 112 23 0 12 1 0 1 1 0 8 0 pfstate 328 22 0 11 2 0 2 2 0 8 0 pfrule 1360 36 0 24 3 2 1 2 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 390 0 212 16 4 12 15 0 8 0 art_table 32 392 0 212 2 0 2 2 0 8 0 art_node 16 90 0 56 1 0 1 1 0 8 0 sysvmsgpl 40 26 0 12 1 0 1 1 0 8 0 semupl 112 2 0 2 2 2 0 1 0 8 0 semapl 112 92 0 82 1 0 1 1 0 8 0 shmpl 112 18 0 4 2 1 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 2339 0 937 89 0 89 89 0 8 0 ffsino 272 2339 0 937 95 0 95 95 0 8 0 nchpl 144 3592 0 2004 60 0 60 60 0 8 0 uvmvnodes 72 2627 0 0 48 0 48 48 0 8 0 vnodes 208 2627 0 0 139 0 139 139 0 8 0 namei 1024 9991 0 9991 1 0 1 1 0 8 1 percpumem 16 41 0 9 1 0 1 1 0 8 0 vcpupl 1984 2 0 0 1 0 1 1 0 8 0 vmpool 560 2 0 0 1 0 1 1 0 8 0 pfiaddrpl 120 17 0 14 2 1 1 1 0 8 0 scxspl 192 10347 0 10346 8 7 1 7 0 8 0 plimitpl 152 51 0 43 1 0 1 1 0 8 0 sigapl 424 968 0 917 6 0 6 6 0 8 0 futexpl 56 11789 0 11789 1 0 1 1 0 8 1 knotepl 112 91 0 72 1 0 1 1 0 8 0 kqueuepl 144 78 0 76 1 0 1 1 0 8 0 pipepl 304 188 0 178 3 2 1 2 0 8 0 fdescpl 496 932 0 917 3 0 3 3 0 8 0 filepl 152 5920 0 5820 5 0 5 5 0 8 1 lockfpl 104 137 0 136 1 0 1 1 0 8 0 lockfspl 48 53 0 52 1 0 1 1 0 8 0 sessionpl 112 19 0 8 1 0 1 1 0 8 0 pgrppl 48 23 0 12 1 0 1 1 0 8 0 ucredpl 96 738 0 728 1 0 1 1 0 8 0 zombiepl 144 917 0 917 1 0 1 1 0 8 1 processpl 984 968 0 917 7 0 7 7 0 8 0 procpl 624 2297 0 2237 6 0 6 6 0 8 1 srpgc 64 3 0 3 2 2 0 1 0 8 0 sockpl 400 2065 0 2046 7 4 3 4 0 8 1 mcl64k 65536 12 0 0 2 0 2 2 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl12k 12288 13 0 0 2 0 2 2 0 8 0 mcl9k 9216 3 0 0 1 0 1 1 0 8 0 mcl8k 8192 8 0 0 1 0 1 1 0 8 0 mcl4k 4096 11 0 0 2 0 2 2 0 8 0 mcl2k2 2112 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 172 0 0 21 0 21 21 0 8 0 mtagpl 96 59 0 0 2 0 2 2 0 8 0 mbufpl 256 275 0 0 16 0 16 16 0 8 0 bufpl 280 4664 0 136 324 0 324 324 0 8 0 anonpl 16 89829 0 73908 69 1 68 68 0 124 0 amapchunkpl 152 5859 0 5713 34 14 20 20 0 158 13 amappl16 192 3804 0 2895 47 1 46 47 0 8 0 amappl15 184 1 0 0 1 0 1 1 0 8 0 amappl14 176 31 0 26 1 0 1 1 0 8 0 amappl13 168 222 0 219 1 0 1 1 0 8 0 amappl12 160 369 0 365 1 0 1 1 0 8 0 amappl11 152 64 0 48 1 0 1 1 0 8 0 amappl10 144 21 0 14 1 0 1 1 0 8 0 amappl9 136 718 0 716 1 0 1 1 0 8 0 amappl8 128 709 0 675 2 0 2 2 0 8 0 amappl7 120 124 0 111 1 0 1 1 0 8 0 amappl6 112 22 0 18 1 0 1 1 0 8 0 amappl5 104 812 0 794 1 0 1 1 0 8 0 amappl4 96 701 0 671 1 0 1 1 0 8 0 amappl3 88 322 0 316 1 0 1 1 0 8 0 amappl2 80 6462 0 6401 2 0 2 2 0 8 0 amappl1 72 29361 0 28936 23 13 10 18 0 8 0 amappl 80 2551 0 2505 2 0 2 2 0 84 0 dma4096 4096 1 0 1 1 1 0 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 64 19 0 4 1 0 1 1 0 8 0 uaddrrnd 24 934 0 917 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 934 0 917 1 0 1 1 0 8 0 vmmpekpl 168 10112 0 10077 2 0 2 2 0 8 0 vmmpepl 168 118486 0 116517 143 51 92 126 0 357 0 vmsppl 368 933 0 917 2 0 2 2 0 8 0 pdppl 4096 1875 0 1836 7 1 6 6 0 8 0 pvpl 32 285411 0 266319 171 9 162 167 0 265 0 pmappl 232 933 0 917 3 1 2 2 0 8 1 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 277 0 13 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp ddb{0}> trace x86_ipi_db(ffffffff82798ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:352 x86_ipi_handler() at x86_ipi_handler+0xc6 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 __mp_lock(ffffffff82902340) at __mp_lock+0x127 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82902340) at __mp_lock+0x127 sys/kern/kern_lock.c:147 intr_handler(ffff800020e95220,ffff800000255b80) at intr_handler+0x5e sys/arch/amd64/amd64/intr.c:532 Xintr_ioapic_edge19_untramp() at Xintr_ioapic_edge19_untramp+0x19f end of kernel end trace frame: 0xc002cad530, count: -6 ddb{0}> machine ddbcpu 1 Stopped at pool_cache_get+0x1b1: movq 0x10(%r14),%r13 ddb{1}> trace pool_cache_get(ffffffff82909780) at pool_cache_get+0x1b1 pool_cache_item_magic_check sys/kern/subr_pool.c:1770 [inline] pool_cache_get(ffffffff82909780) at pool_cache_get+0x1b1 sys/kern/subr_pool.c:1884 pool_get(ffffffff82909780,2) at pool_get+0x91 sys/kern/subr_pool.c:572 m_copym(fffffd80644d3400,2a24,580,2) at m_copym+0x174 m_get sys/kern/uipc_mbuf.c:250 [inline] m_copym(fffffd80644d3400,2a24,580,2) at m_copym+0x174 sys/kern/uipc_mbuf.c:667 tcp_output(ffff800000ad9cc0) at tcp_output+0x15ba sys/netinet/tcp_output.c:673 tcp_usrreq(fffffd806eae3968,9,fffffd806d445300,0,0,ffff800020e41d50) at tcp_usrreq+0xa55 sosend(fffffd806eae3968,0,ffff800020e634c8,0,0,80) at sosend+0x671 sys/kern/uipc_socket.c:555 dofilewritev(ffff800020e41d50,4,ffff800020e634c8,0,ffff800020e635b0) at dofilewritev+0x1b6 sys/kern/sys_generic.c:365 sys_write(ffff800020e41d50,ffff800020e63560,ffff800020e635b0) at sys_write+0x83 sys/kern/sys_generic.c:285 syscall(ffff800020e63630) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800020e63630) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffbc0d0, count: -10