witness: lock order reversal: 1st 0xfffffd806bf64658 vmmaplk (&map->lock) 2nd 0xfffffd806bdc9c50 inode (&ip->i_lock) lock order [1] vmmaplk (&map->lock) -> [2] inode (&ip->i_lock) #0 rw_enter+0x122 #1 rrw_enter+0xbe sys/kern/kern_rwlock.c:464 #2 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #3 vn_lock+0xa4 sys/kern/vfs_vnops.c:564 #4 vn_rdwr+0xd1 sys/kern/vfs_vnops.c:320 #5 vndstrategy+0x4ff sys/dev/vnd.c:342 #6 physio+0x2f6 sys/kern/kern_physio.c:162 #7 spec_read+0x155 sys/kern/spec_vnops.c:215 #8 VOP_READ+0x102 sys/kern/vfs_vops.c:227 #9 vn_read+0x17b sys/kern/vfs_vnops.c:369 #10 dofilereadv+0x230 sys/kern/sys_generic.c:252 #11 sys_readv+0xd8 sys/kern/sys_generic.c:199 #12 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #12 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #13 Xsyscall+0x128 lock order [2] inode (&ip->i_lock) -> [1] vmmaplk (&map->lock) #0 rw_enter_read+0xab sys/kern/kern_rwlock.c:112 #1 uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1819 #2 uvm_fault_check+0x49 sys/uvm/uvm_fault.c:672 #3 uvm_fault+0xf5 sys/uvm/uvm_fault.c:600 #4 kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 #5 kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 #6 alltraps_kern_meltdown+0x7b #7 copyout+0x57 #8 ffs_read+0x422 sys/ufs/ffs/ffs_vnops.c:254 #9 VOP_READ+0x102 sys/kern/vfs_vops.c:227 #10 vn_rdwr+0x15b #11 vmcmd_map_readvn+0x142 sys/kern/exec_subr.c:249 #12 exec_process_vmcmds+0xfb sys/kern/exec_subr.c:139 #13 sys_execve+0xbe4 sys/kern/kern_exec.c:468 #14 start_init+0x3c6 sys/kern/init_main.c:714 #15 proc_trampoline+0x10 Stopped at db_enter+0x25: addq $0x8,%rsp ddb{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic the kernel did not panic ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 witness_checkorder(fffffd806bdc9c50,9,0) at witness_checkorder+0x1047 rw_enter(fffffd806bdc9c40,1) at rw_enter+0x122 rrw_enter(fffffd806bdc9c40,1) at rrw_enter+0xbe sys/kern/kern_rwlock.c:464 VOP_LOCK(fffffd8075e92040,2001) at VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 vn_lock(fffffd8075e92040,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:564 vn_rdwr(0,fffffd8075e92040,ffff800011a26080,bd,0,1,d39328ba9a1ef7cc,0,ffff800000b3e000,0) at vn_rdwr+0xd1 sys/kern/vfs_vnops.c:320 vndstrategy(fffffd8064302c18) at vndstrategy+0x4ff sys/dev/vnd.c:342 physio(ffffffff811845e0,2902,8000,ffffffff81612050,ffff8000371e8fa0) at physio+0x2f6 sys/kern/kern_physio.c:162 spec_read(ffff8000371e8d90) at spec_read+0x155 sys/kern/spec_vnops.c:215 VOP_READ(fffffd806dd63eb8,ffff8000371e8fa0,0,fffffd807f7d37b8) at VOP_READ+0x102 sys/kern/vfs_vops.c:227 vn_read(fffffd80643085f8,ffff8000371e8fa0,0) at vn_read+0x17b sys/kern/vfs_vnops.c:369 dofilereadv(ffff8000371eacd8,33,ffff8000371e8fa0,0,ffff8000371e9060) at dofilereadv+0x230 sys/kern/sys_generic.c:252 sys_readv(ffff8000371eacd8,ffff8000371e9110,ffff8000371e9060) at sys_readv+0xd8 sys/kern/sys_generic.c:199 syscall(ffff8000371e9110) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff8000371e9110) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x75ac2e24c20, count: -16 ddb{1}> show registers rdi 0 rsi 0 rbp 0xffff8000371e8850 rbx 0xfffffd80042c2928 rdx 0 rcx 0xffff8000371eacd8 rax 0xffff800029b7bff0 r8 0xffff8000371e8730 r9 0x8080808080808080 r10 0xe994a721b1fa0c77 r11 0xe5fb02e0eeb79572 r12 0 r13 0xfffffd8003ad9e00 r14 0x3 r15 0xffffffff rip 0xffffffff8292af95 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff8000371e8840 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=343877 pid=83561 tcnt=4 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=0xffff80003559dc00,0xffff8000371eb1f8 process=0xffff800030974db0 user=0xffff8000371e4000, vmspace=0xfffffd806bf64560 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 37397 157925 53497 0 2 0 syz-executor 37397 355655 53497 0 3 0x4000080 fsleep syz-executor 83561 424918 2640 0 7 0 syz-executor *83561 343877 2640 0 7 0x4000000 syz-executor 83561 374592 2640 0 2 0x4000000 syz-executor 83561 162037 2640 0 2 0x4000080 syz-executor 83768 116354 56550 0 2 0 syz-executor 83768 500717 56550 0 2 0x4000000 syz-executor 59013 82335 29895 0 2 0 syz-executor 59013 390847 29895 0 3 0x4000080 fsleep syz-executor 34972 488102 1393 0 3 0x80 nanoslp syz-executor 34972 243381 1393 0 3 0x4000080 fsleep syz-executor 34972 31926 1393 0 3 0x4000080 fsleep syz-executor 34972 109522 1393 0 2 0x4000000 syz-executor 82506 346146 21599 0 2 0 syz-executor 82506 397569 21599 0 3 0x4000080 fsleep syz-executor 70769 399698 39015 0 2 0 syz-executor 70769 444612 39015 0 3 0x4000080 fsleep syz-executor 70769 253125 39015 0 3 0x4000080 fsleep syz-executor 22348 464485 18830 60929 3 0x90 nanoslp syz-executor 22348 144389 18830 60929 3 0x4000090 msgwait syz-executor 22348 202085 18830 60929 3 0x4000090 fsleep syz-executor 56550 60647 47497 0 3 0x82 nanoslp syz-executor 29895 234738 47497 0 3 0x82 nanoslp syz-executor 53497 199001 47497 0 3 0x82 nanoslp syz-executor 39015 478685 47497 0 3 0x82 nanoslp syz-executor 1393 81506 47497 0 3 0x82 nanoslp syz-executor 21599 182502 47497 0 3 0x82 nanoslp syz-executor 2640 285949 47497 0 3 0x82 nanoslp syz-executor 18830 200490 47497 0 3 0x82 nanoslp syz-executor 47497 485264 85482 0 3 0x82 kqread syz-executor 85482 106935 95537 0 3 0x10008a sigsusp ksh 95537 25290 77866 0 3 0x98 kqread sshd-session 77866 403300 87155 0 3 0x92 kqread sshd-session 11403 400788 1 0 3 0x100083 ttyin getty 87155 102966 1 0 3 0x88 kqread sshd 95709 49251 79752 74 3 0x1100092 bpf pflogd 79752 206616 1 0 3 0x80 sbwait pflogd 59692 383570 39063 73 3 0x1100090 kqread syslogd 39063 391784 1 0 3 0x100082 sbwait syslogd 8731 190520 1 0 3 0x100080 kqread resolvd 76076 275749 38209 77 3 0x100092 kqread dhcpleased 37988 159524 38209 77 3 0x100092 kqread dhcpleased 38209 249729 1 0 3 0x80 kqread dhcpleased 60048 150794 0 0 3 0x14200 bored smr 1975 221057 0 0 2 0x14200 zerothread 64549 358498 0 0 3 0x14200 aiodoned aiodoned 99920 515694 0 0 3 0x14200 syncer update 1262 363210 0 0 3 0x14200 cleaner cleaner 56849 263964 0 0 3 0x14200 reaper reaper 22910 13136 0 0 3 0x14200 pgdaemon pagedaemon 53825 259910 0 0 3 0x14200 bored viomb 61000 153792 0 0 3 0x40014200 acpi0 acpi0 77198 189714 0 0 3 0x40014200 idle1 11288 511068 0 0 3 0x14200 bored softnet3 58507 520156 0 0 3 0x14200 bored softnet2 41464 90805 0 0 3 0x14200 bored softnet1 47183 491981 0 0 3 0x14200 bored softnet0 88646 106707 0 0 3 0x14200 bored systqmp 42848 451314 0 0 3 0x14200 bored systq 87176 113311 0 0 3 0x14200 tmoslp softclockmp 8897 382452 0 0 3 0x40014200 tmoslp softclock 5208 209857 0 0 3 0x40014200 idle0 1 277409 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 83561 (syz-executor) thread 0xffff8000371eacd8 (343877) shared rwlock vmmaplk r = 0 (0xfffffd806bf64658) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 uvm_vslock_device+0x149 sys/uvm/uvm_glue.c:172 #2 physio+0x277 sys/kern/kern_physio.c:139 #3 spec_read+0x155 sys/kern/spec_vnops.c:215 #4 VOP_READ+0x102 sys/kern/vfs_vops.c:227 #5 vn_read+0x17b sys/kern/vfs_vnops.c:369 #6 dofilereadv+0x230 sys/kern/sys_generic.c:252 #7 sys_readv+0xd8 sys/kern/sys_generic.c:199 #8 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #8 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83561540) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 vn_read+0x56 sys/kern/vfs_vnops.c:351 #2 dofilereadv+0x230 sys/kern/sys_generic.c:252 #3 sys_readv+0xd8 sys/kern/sys_generic.c:199 #4 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #4 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #5 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10255 11211K 11438K 166960K 11438 0 pcb 17 13K 14K 166960K 69 0 rtable 228 6K 6K 166960K 349 0 pf 34 17K 19K 166960K 80 0 ifaddr 42 7K 7K 166960K 45 0 ifgroup 55 2K 2K 166960K 55 0 sysctl 2 0K 0K 166960K 2 0 counters 64 36K 36K 166960K 64 0 ioctlops 0 0K 4K 166960K 1520 0 iov 0 0K 16K 166960K 5 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1432 90K 90K 166960K 1523 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 3 0 VM map 2 1K 1K 166960K 2 0 sem 2 0K 0K 166960K 2 0 dirhash 12 2K 2K 166960K 15 0 ACPI 1690 195K 286K 166960K 12468 0 file desc 18 65K 93K 166960K 189 0 sigio 0 0K 0K 166960K 2 0 proc 71 91K 140K 166960K 535 0 subproc 104 6K 6K 166960K 104 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 1 0 in_multi 98 7K 7K 166960K 101 0 ether_multi 1 0K 0K 166960K 3 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 55 254K 254K 166960K 55 0 exec 0 0K 1K 166960K 366 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 243 73K 73K 166960K 3339 0 UVM aobj 4 2K 2K 166960K 4 0 pinsyscall 43 86K 105K 166960K 1261 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 3 0 NDP 12 0K 2K 166960K 28 0 temp 41 6815K 6880K 166960K 4750 0 kqueue 13 20K 28K 166960K 36 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 35 0 32 1 0 1 1 0 8 0 rtentry 112 111 0 4 4 0 4 4 0 8 0 unpcb 144 92 0 73 2 0 2 2 0 8 1 syncache 336 3 0 3 1 0 1 1 0 8 1 tcpcb 808 24 0 20 1 0 1 1 0 8 0 arp 120 18 0 0 1 0 1 1 0 8 0 inpcb 336 143 0 135 4 0 4 4 0 8 2 nd6 136 24 0 0 1 0 1 1 0 8 0 kcovpl 48 8 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 pfstitem 24 18 0 0 1 0 1 1 0 8 0 pfstkey 128 18 0 0 1 0 1 1 0 8 0 pfstate 376 18 0 0 2 0 2 2 0 8 0 pfrule 1344 21 0 15 2 0 2 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 453 0 6 29 0 29 29 0 8 0 art_table 32 454 0 6 4 0 4 4 0 8 0 art_node 16 110 0 13 1 0 1 1 0 8 0 sysvmsgpl 40 1 0 1 1 0 1 1 0 8 1 shmpl 112 1 0 0 1 0 1 1 0 8 0 dirhash 1024 19 0 2 3 0 3 3 0 8 0 dino2pl 256 1645 0 138 95 0 95 95 0 8 0 ffsino 272 1645 0 138 101 0 101 101 0 8 0 nchpl 144 1919 0 232 63 0 63 63 0 8 0 uvmvnodes 80 1888 0 0 39 0 39 39 0 8 0 vnodes 216 1888 0 0 105 0 105 105 0 8 0 namei 1024 6215 0 6215 2 0 2 2 0 8 2 percpumem 16 46 0 0 1 0 1 1 0 8 0 kstatmem 264 24 0 0 2 0 2 2 0 8 0 scxspl 216 5994 0 5993 10 2 8 8 1 8 7 plimitpl 152 36 0 19 1 0 1 1 0 8 0 sigapl 424 488 0 438 8 1 7 7 0 8 1 futexpl 64 970 0 962 1 0 1 1 0 8 0 knotepl 120 303 0 0 10 0 10 10 0 8 0 kqueuepl 216 77 0 66 3 0 3 3 0 8 2 pipepl 320 140 0 88 5 0 5 5 0 8 0 fdescpl 496 470 0 438 5 0 5 5 0 8 0 filepl 152 2145 0 1719 17 0 17 17 0 8 0 lockfpl 104 31 0 29 1 0 1 1 0 8 0 lockfspl 48 13 0 11 1 0 1 1 0 8 0 sessionpl 144 22 0 13 1 0 1 1 0 8 0 pgrppl 48 30 0 13 1 0 1 1 0 8 0 ucredpl 104 111 0 96 1 0 1 1 0 8 0 zombiepl 144 438 0 438 1 0 1 1 0 8 1 processpl 1160 488 0 438 5 0 5 5 0 8 1 procpl 648 591 0 527 7 1 6 6 0 8 0 sockpl 664 271 0 241 9 0 9 9 0 8 6 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 138 0 0 18 0 18 18 0 8 0 mcl2k 2048 8 0 0 1 0 1 1 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 140 0 0 9 0 9 9 0 8 0 bufpl 280 2395 0 98 165 0 165 165 0 8 0 anonpl 24 140238 0 136832 26 2 24 25 0 185 2 amapchunkpl 152 10603 0 10087 22 0 22 22 0 158 2 amappl16 200 3688 0 3672 5 1 4 5 0 8 2 amappl15 192 8 0 8 1 1 0 1 0 8 0 amappl14 184 110 0 98 1 0 1 1 0 8 0 amappl13 176 14 0 14 1 0 1 1 0 8 1 amappl12 168 1116 0 1084 4 1 3 3 0 8 0 amappl11 160 67 0 52 1 0 1 1 0 8 0 amappl10 152 11 0 11 1 1 0 1 0 8 0 amappl9 144 136 0 136 1 1 0 1 0 8 0 amappl8 136 22 0 19 1 0 1 1 0 8 0 amappl7 128 102 0 90 1 0 1 1 0 8 0 amappl6 120 163 0 162 1 0 1 1 0 8 0 amappl5 112 131 0 120 1 0 1 1 0 8 0 amappl4 104 311 0 293 1 0 1 1 0 8 0 amappl3 96 2049 0 1948 3 0 3 3 0 8 0 amappl2 88 728 0 644 3 0 3 3 0 8 0 amappl1 80 7658 0 7085 14 0 14 14 0 8 1 amappl 88 2969 0 2789 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 3 0 0 1 0 1 1 0 8 0 uaddrrnd 24 470 0 438 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 470 0 438 1 0 1 1 0 8 0 vmmpekpl 168 5418 0 5386 2 0 2 2 0 8 0 vmmpepl 168 37387 0 35480 84 0 84 84 0 357 0 vmsppl 448 469 0 438 6 1 5 5 0 8 1 rwobjpl 56 16694 0 13872 40 0 40 40 0 8 0 pdppl 4096 947 0 876 103 30 73 85 0 8 2 pvpl 32 10284 0 0 84 1 83 83 0 265 0 pmappl 248 469 0 438 3 0 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 378 0 33 11 0 11 11 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp ddb{0}> trace x86_ipi_db(ffffffff83473ff0) 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(ffffffff83561338) at __mp_lock+0x199 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83561338) at __mp_lock+0x199 sys/kern/kern_lock.c:144 intr_handler(ffff8000371b5590,ffff800000069c00) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge16_untramp() at Xintr_ioapic_edge16_untramp+0x18f __mp_lock(ffffffff83561338) at __mp_lock+0x199 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83561338) at __mp_lock+0x199 sys/kern/kern_lock.c:144 intr_handler(ffff8000371b56f0,ffff800000079e00) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge25_untramp() at Xintr_ioapic_edge25_untramp+0x18f __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x3d sys/dev/kcov.c:159 intr_handler(ffff8000371b5860,ffff800000079f80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0xf sys/dev/kcov.c:149 syscall(ffff8000371b5a40) at syscall+0xa11 mi_syscall_return sys/sys/syscall_mi.h:206 [inline] syscall(ffff8000371b5a40) at syscall+0xa11 sys/arch/amd64/amd64/trap.c:598 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x77b3af457030, count: -15 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x25: addq $0x8,%rsp ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 witness_checkorder(fffffd806bdc9c50,9,0) at witness_checkorder+0x1047 rw_enter(fffffd806bdc9c40,1) at rw_enter+0x122 rrw_enter(fffffd806bdc9c40,1) at rrw_enter+0xbe sys/kern/kern_rwlock.c:464 VOP_LOCK(fffffd8075e92040,2001) at VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 vn_lock(fffffd8075e92040,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:564 vn_rdwr(0,fffffd8075e92040,ffff800011a26080,bd,0,1,d39328ba9a1ef7cc,0,ffff800000b3e000,0) at vn_rdwr+0xd1 sys/kern/vfs_vnops.c:320 vndstrategy(fffffd8064302c18) at vndstrategy+0x4ff sys/dev/vnd.c:342 physio(ffffffff811845e0,2902,8000,ffffffff81612050,ffff8000371e8fa0) at physio+0x2f6 sys/kern/kern_physio.c:162 spec_read(ffff8000371e8d90) at spec_read+0x155 sys/kern/spec_vnops.c:215 VOP_READ(fffffd806dd63eb8,ffff8000371e8fa0,0,fffffd807f7d37b8) at VOP_READ+0x102 sys/kern/vfs_vops.c:227 vn_read(fffffd80643085f8,ffff8000371e8fa0,0) at vn_read+0x17b sys/kern/vfs_vnops.c:369 dofilereadv(ffff8000371eacd8,33,ffff8000371e8fa0,0,ffff8000371e9060) at dofilereadv+0x230 sys/kern/sys_generic.c:252 sys_readv(ffff8000371eacd8,ffff8000371e9110,ffff8000371e9060) at sys_readv+0xd8 sys/kern/sys_generic.c:199 syscall(ffff8000371e9110) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff8000371e9110) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x75ac2e24c20, count: -16