login: panic: kernel diagnostic assertion "pg->wire_count == 0" failed: file "/syzkaller/managers/setuid/kernel/sys/uvm/uvm_page.c", line 1326 Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 323684 41095 32767 0x10 0 0 syz-executor *394234 78595 32767 0x10 0x4000000 1K syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833b03e7) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833f1046,ffffffff8333fc7a,52e,ffffffff834071a1) at __assert+0x29 sys/kern/subr_prf.c:-1 uvm_pagedequeue(fffffd80081ade68) at uvm_pagedequeue+0x2dd sys/uvm/uvm_page.c:1324 uvn_flush(fffffd8069520ba0,400,645,8) at uvn_flush+0x4fc sys/uvm/uvm_vnode.c:683 uvm_vnp_setsize(fffffd8069a6b0e0,400) at uvm_vnp_setsize+0x11e sys/uvm/uvm_vnode.c:1443 ffs_truncate(fffffd806c804e28,400,0,fffffd80097fd618) at ffs_truncate+0x34c sys/ufs/ffs/ffs_inode.c:173 ufs_setattr(ffff80003c447ae0) at ufs_setattr+0x8e9 sys/ufs/ufs/ufs_vnops.c:403 VOP_SETATTR(fffffd8069a6b0e0,ffff80003c447b68,fffffd80097fd618,ffff80002a2e47e0) at VOP_SETATTR+0x11b sys/kern/vfs_vops.c:210 dotruncate(ffff80002a2e47e0,fffffd8069a6b0e0,400) at dotruncate+0x1da sys/kern/vfs_syscalls.c:2865 sys_truncate(ffff80002a2e47e0,ffff80003c447e40,ffff80003c447d90) at sys_truncate+0x13e sys/kern/vfs_syscalls.c:2889 syscall(ffff80003c447e40) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c447e40) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5789537fc50, count: 2 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: kernel diagnostic assertion "pg->wire_count == 0" failed: file "/syzkaller/managers/setuid/kernel/sys/uvm/uvm_page.c", line 1326 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833b03e7) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833f1046,ffffffff8333fc7a,52e,ffffffff834071a1) at __assert+0x29 sys/kern/subr_prf.c:-1 uvm_pagedequeue(fffffd80081ade68) at uvm_pagedequeue+0x2dd sys/uvm/uvm_page.c:1324 uvn_flush(fffffd8069520ba0,400,645,8) at uvn_flush+0x4fc sys/uvm/uvm_vnode.c:683 uvm_vnp_setsize(fffffd8069a6b0e0,400) at uvm_vnp_setsize+0x11e sys/uvm/uvm_vnode.c:1443 ffs_truncate(fffffd806c804e28,400,0,fffffd80097fd618) at ffs_truncate+0x34c sys/ufs/ffs/ffs_inode.c:173 ufs_setattr(ffff80003c447ae0) at ufs_setattr+0x8e9 sys/ufs/ufs/ufs_vnops.c:403 VOP_SETATTR(fffffd8069a6b0e0,ffff80003c447b68,fffffd80097fd618,ffff80002a2e47e0) at VOP_SETATTR+0x11b sys/kern/vfs_vops.c:210 dotruncate(ffff80002a2e47e0,fffffd8069a6b0e0,400) at dotruncate+0x1da sys/kern/vfs_syscalls.c:2865 sys_truncate(ffff80002a2e47e0,ffff80003c447e40,ffff80003c447d90) at sys_truncate+0x13e sys/kern/vfs_syscalls.c:2889 syscall(ffff80003c447e40) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c447e40) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5789537fc50, count: -13 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80003c4475b0 rbx 0xffff8000299eee07 rdx 0 rcx 0xffff80002a2e47e0 rax 0xffff8000299edff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x62705485df29b386 r11 0xdea47968ddce80d8 r12 0xffff8000299eec08 r13 0 r14 0 r15 0x1 rip 0xffffffff81e1ce35 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c4475a0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=394234 pid=78595 tcnt=4 stat=onproc flags process=10 proc=4000000 runpri=32, usrpri=62, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003c408fb0,0xffff80002a2e5a18 process=0xffff8000fffef038 user=0xffff80003c442000, vmspace=0xfffffd800f7c9d78 estcpu=12, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 41095 323684 78228 32767 7 0x10 syz-executor 41095 273227 78228 32767 3 0x4000090 fsleep syz-executor 25875 182486 6939 32767 2 0x10 syz-executor 25875 278137 6939 32767 3 0x4000090 fsleep syz-executor 70160 341198 90665 32767 2 0x10 syz-executor 70160 482873 90665 32767 3 0x4000090 fsleep syz-executor 70160 34222 90665 32767 3 0x4000090 fsleep syz-executor 27301 505853 98292 32767 2 0x10 syz-executor 27301 128279 98292 32767 3 0x4000090 fsleep syz-executor 47446 505930 23084 32767 2 0x10 syz-executor 47446 306766 23084 32767 3 0x4000090 fsleep syz-executor 78595 10039 40125 32767 2 0x10 syz-executor *78595 394234 40125 32767 7 0x4000010 syz-executor 78595 207933 40125 32767 3 0x4000090 fsleep syz-executor 78595 370991 40125 32767 3 0x4000090 fsleep syz-executor 90665 409565 96768 32767 3 0x90 nanoslp syz-executor 235 374228 92749 32767 2 0x10000010 syz-executor 78228 24538 58302 32767 3 0x90 nanoslp syz-executor 98292 463329 93424 32767 3 0x90 nanoslp syz-executor 6939 300890 37484 32767 3 0x90 nanoslp syz-executor 40125 480580 60290 32767 3 0x90 nanoslp syz-executor 23084 405713 27235 32767 3 0x90 nanoslp syz-executor 92749 348142 47779 0 3 0x82 wait syz-executor 96768 91158 47779 0 3 0x82 wait syz-executor 93424 60570 47779 0 3 0x82 wait syz-executor 37484 384816 47779 0 3 0x82 wait syz-executor 58302 338554 47779 0 3 0x82 wait syz-executor 27235 274880 47779 0 3 0x82 wait syz-executor 60290 266069 47779 0 3 0x82 wait syz-executor 47779 194913 26488 0 3 0x82 nanoslp syz-executor 26488 42104 31784 0 3 0x10008a sigsusp ksh 31784 514837 15362 0 3 0x98 kqread sshd-session 15362 224317 59681 0 3 0x92 kqread sshd-session 6006 261600 1 0 3 0x100083 ttyin getty 59681 24198 1 0 3 0x88 kqread sshd 37081 515914 11294 73 3 0x1100090 kqread syslogd 11294 434810 1 0 3 0x100082 sbwait syslogd 24696 438275 1 0 3 0x100080 kqread resolvd 17767 156045 98091 77 3 0x100092 kqread dhcpleased 48229 309948 98091 77 3 0x100092 kqread dhcpleased 98091 517995 1 0 3 0x80 kqread dhcpleased 94914 464279 0 0 3 0x14200 bored smr 68240 136153 0 0 2 0x14200 zerothread 93989 389578 0 0 3 0x14200 aiodoned aiodoned 71796 380742 0 0 3 0x14200 syncer update 577 93177 0 0 3 0x14200 cleaner cleaner 34235 170822 0 0 3 0x14200 reaper reaper 96753 177890 0 0 3 0x14200 pgdaemon pagedaemon 46319 339808 0 0 3 0x14200 bored viomb 63343 319663 0 0 3 0x40014200 acpi0 acpi0 43848 2950 0 0 3 0x40014200 idle1 99386 151996 0 0 3 0x14200 bored softnet1 19984 192910 0 0 3 0x14200 bored softnet0 50409 284001 0 0 3 0x14200 bored systqmp 92240 224516 0 0 3 0x14200 bored systq 236 422456 0 0 3 0x14200 tmoslp softclockmp 66286 441134 0 0 3 0x40014200 tmoslp softclock 7282 513167 0 0 3 0x40014200 idle0 1 71291 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks CPU 1: exclusive mutex &uvm.pageqlock r = 0 (0xffffffff839e4168) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 mtx_enter+0x4b4 sys/kern/kern_lock.c:487 #2 uvn_flush+0x1e7 sys/uvm/uvm_vnode.c:-1 #3 uvm_vnp_setsize+0x11e sys/uvm/uvm_vnode.c:1443 #4 ffs_truncate+0x34c sys/ufs/ffs/ffs_inode.c:173 #5 ufs_setattr+0x8e9 sys/ufs/ufs/ufs_vnops.c:403 #6 VOP_SETATTR+0x11b sys/kern/vfs_vops.c:210 #7 dotruncate+0x1da sys/kern/vfs_syscalls.c:2865 #8 sys_truncate+0x13e sys/kern/vfs_syscalls.c:2889 #9 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #9 syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 #10 Xsyscall+0x128 Process 41095 (syz-executor) thread 0xffff80003c496d28 (323684) shared rwlock uobjlk r = 0 (0xfffffd806f79aef8) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_read+0x3e8 sys/kern/kern_rwlock.c:413 #2 uvm_fault_lower_lookup+0x53 sys/uvm/uvm_fault.c:1204 #3 uvm_fault_lower+0x89 sys/uvm/uvm_fault.c:1334 #4 uvm_fault+0x274 sys/uvm/uvm_fault.c:-1 #5 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #6 usertrap+0x42f sys/arch/amd64/amd64/trap.c:632 #7 recall_trap+0x8 shared rwlock vmmaplk r = 0 (0xfffffd807ac05300) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_read+0x3e8 sys/kern/kern_rwlock.c:413 #2 uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1880 #3 uvm_fault_check+0x4f sys/uvm/uvm_fault.c:693 #4 uvm_fault+0x106 sys/uvm/uvm_fault.c:627 #5 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #6 usertrap+0x42f sys/arch/amd64/amd64/trap.c:632 #7 recall_trap+0x8 Process 78595 (syz-executor) thread 0xffff80002a2e47e0 (394234) exclusive rwlock uobjlk r = 0 (0xfffffd8075bf41a8) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 uvm_vnp_setsize+0x72 sys/uvm/uvm_vnode.c:1435 #3 ffs_truncate+0x34c sys/ufs/ffs/ffs_inode.c:173 #4 ufs_setattr+0x8e9 sys/ufs/ufs/ufs_vnops.c:403 #5 VOP_SETATTR+0x11b sys/kern/vfs_vops.c:210 #6 dotruncate+0x1da sys/kern/vfs_syscalls.c:2865 #7 sys_truncate+0x13e sys/kern/vfs_syscalls.c:2889 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 #9 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806c804ec8) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 sys_truncate+0xce sys/kern/vfs_syscalls.c:2888 #6 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 #7 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83a129c8) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 syscall+0xaf4 mi_syscall sys/sys/syscall_mi.h:175 [inline] #1 syscall+0xaf4 sys/arch/amd64/amd64/trap.c:775 #2 Xsyscall+0x128 exclusive mutex &uvm.pageqlock r = 0 (0xffffffff839e4168) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 mtx_enter+0x4b4 sys/kern/kern_lock.c:487 #2 uvn_flush+0x1e7 sys/uvm/uvm_vnode.c:-1 #3 uvm_vnp_setsize+0x11e sys/uvm/uvm_vnode.c:1443 #4 ffs_truncate+0x34c sys/ufs/ffs/ffs_inode.c:173 #5 ufs_setattr+0x8e9 sys/ufs/ufs/ufs_vnops.c:403 #6 VOP_SETATTR+0x11b sys/kern/vfs_vops.c:210 #7 dotruncate+0x1da sys/kern/vfs_syscalls.c:2865 #8 sys_truncate+0x13e sys/kern/vfs_syscalls.c:2889 #9 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #9 syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 #10 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10187 10955K 10973K 166960K 11281 0 pcb 17 12K 12K 166960K 17 0 rtable 215 6K 7K 166960K 354 0 pf 29 16K 16K 166960K 31 0 ifaddr 38 6K 7K 166960K 44 0 ifgroup 46 2K 2K 166960K 50 0 sysctl 3 1K 9K 166960K 8 0 counters 68 36K 37K 166960K 70 0 ioctlops 0 0K 2K 166960K 31 0 iov 0 0K 4K 166960K 3 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1335 84K 84K 166960K 1446 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 7 0K 0K 166960K 8 0 dirhash 12 2K 2K 166960K 15 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 22 81K 121K 166960K 292 0 proc 58 99K 163K 166960K 487 0 subproc 63 3K 4K 166960K 153 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 15 0 in_multi 88 6K 7K 166960K 99 0 ether_multi 1 0K 0K 166960K 1 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 73 334K 334K 166960K 73 0 exec 0 0K 1K 166960K 370 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 247 161K 185K 166960K 4144 0 UVM aobj 6 3K 3K 166960K 6 0 pinsyscall 43 86K 109K 166960K 1340 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 14 0 NDP 10 0K 2K 166960K 27 0 temp 36 8667K 8731K 166960K 4368 0 kqueue 13 20K 26K 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 26 0 0 1 0 1 1 0 8 0 rtpcb 120 48 0 44 1 0 1 1 0 8 0 rtentry 176 112 0 13 6 0 6 6 0 8 0 unpcb 144 99 0 84 1 0 1 1 0 8 0 syncache 336 7 0 7 1 0 1 1 0 8 1 tcpcb 736 81 0 76 2 0 2 2 0 8 1 arp 136 18 0 2 1 0 1 1 0 8 0 ipq 40 1 0 0 1 0 1 1 0 8 0 ipqe 40 1 0 0 1 0 1 1 0 8 0 inpcb 328 191 0 183 2 0 2 2 0 8 1 ip6q 72 1 0 0 1 0 1 1 0 8 0 ip6af 40 1 0 0 1 0 1 1 0 8 0 nd6 152 25 0 4 1 0 1 1 0 8 0 kcovpl 48 17 0 10 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 454 0 46 29 0 29 29 0 8 1 art_table 40 455 0 46 5 0 5 5 0 8 0 art_node 32 112 0 22 1 0 1 1 0 8 0 sysvmsgpl 40 4 0 0 1 0 1 1 0 8 0 semapl 112 6 0 1 1 0 1 1 0 8 0 shmpl 112 3 0 0 1 0 1 1 0 8 0 dirhash 1024 19 0 2 3 0 3 3 0 8 0 dino2pl 256 1738 0 218 96 0 96 96 0 8 0 ffsino 296 1738 0 218 118 0 118 118 0 8 0 nchpl 144 2085 0 383 64 0 64 64 0 8 0 vnodes 216 1900 0 0 106 0 106 106 0 8 0 namei 1024 6341 0 6341 2 0 2 2 0 8 2 percpumem 16 50 0 1 1 0 1 1 0 8 0 kstatmem 264 24 0 2 2 0 2 2 0 8 0 scxspl 216 6936 0 6936 3 2 1 2 1 8 1 plimitpl 152 72 0 49 2 0 2 2 0 8 0 sigapl 424 556 0 505 7 0 7 7 0 8 1 knotepl 120 106 0 0 4 0 4 4 0 8 0 kqueuepl 224 51 0 42 1 0 1 1 0 8 0 pipepl 344 143 0 116 3 0 3 3 0 8 0 fdescpl 528 540 0 506 3 0 3 3 0 8 0 filepl 160 2229 0 2028 10 0 10 10 0 8 1 lockfpl 104 42 0 38 1 0 1 1 0 8 0 lockfspl 48 16 0 13 1 0 1 1 0 8 0 sessionpl 144 32 0 17 1 0 1 1 0 8 0 pgrppl 48 53 0 31 1 0 1 1 0 8 0 ucredpl 104 285 0 267 1 0 1 1 0 8 0 zombiepl 144 506 0 505 1 0 1 1 0 8 0 processpl 1232 556 0 505 5 0 5 5 0 8 0 procpl 664 754 0 694 7 0 7 7 0 8 1 sockpl 752 341 0 314 5 0 5 5 0 8 2 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 134 0 0 17 0 17 17 0 8 0 mcl2k 2048 42 0 0 6 0 6 6 0 8 0 mtagpl 96 2 0 0 1 0 1 1 0 8 0 mbufpl 256 232 0 0 15 0 15 15 0 8 0 bufpl 280 2555 0 118 175 0 175 175 0 8 0 anonpl 32 7128 0 0 58 0 58 58 0 246 0 amapchunkpl 152 13291 0 12659 32 0 32 32 0 158 7 amappl16 200 1738 0 1720 5 3 2 5 0 8 0 amappl15 192 20 0 20 1 1 0 1 0 8 0 amappl14 184 10 0 10 1 1 0 1 0 8 0 amappl13 176 400 0 399 1 0 1 1 0 8 0 amappl12 168 870 0 827 3 0 3 3 0 8 0 amappl11 160 6 0 6 1 1 0 1 0 8 0 amappl10 152 46 0 36 1 0 1 1 0 8 0 amappl9 144 283 0 283 1 1 0 1 0 8 0 amappl8 136 20 0 19 1 0 1 1 0 8 0 amappl7 128 72 0 71 1 0 1 1 0 8 0 amappl6 120 259 0 248 1 0 1 1 0 8 0 amappl5 112 74 0 67 1 0 1 1 0 8 0 amappl4 104 384 0 360 1 0 1 1 0 8 0 amappl3 96 2079 0 1966 4 0 4 4 0 8 0 amappl2 88 505 0 451 2 0 2 2 0 8 0 amappl1 80 9816 0 9267 14 0 14 14 0 8 1 amappl 88 3431 0 3253 5 0 5 5 0 92 0 uvmvnodes 80 105 0 0 3 0 3 3 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 5 0 0 1 0 1 1 0 8 0 uaddrrnd 24 540 0 506 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 540 0 506 1 0 1 1 0 8 0 vmmpekpl 168 6239 0 6203 3 0 3 3 0 8 0 vmmpepl 168 42166 0 40246 97 0 97 97 0 357 11 vmsppl 488 539 0 506 6 0 6 6 0 8 1 rwobjpl 80 14526 0 13611 22 0 22 22 0 8 0 pdppl 4096 1088 0 1012 114 32 82 96 0 8 6 pvpl 32 12665 0 0 103 0 103 103 0 265 0 pmappl 256 539 0 506 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 293 0 34 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff837cfff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 mtx_enter(ffffffff839e4158) at mtx_enter+0x377 sys/kern/kern_lock.c:454 uvm_pageactivate(fffffd80088f9ff8) at uvm_pageactivate+0x15a sys/uvm/uvm_page.c:1311 uvm_fault_lower_lookup(ffff80003c426ec0,ffff80003c426ef8,ffff80003c426e40) at uvm_fault_lower_lookup+0x2a4 sys/uvm/uvm_fault.c:1248 uvm_fault_lower(ffff80003c426ec0,ffff80003c426ef8,ffff80003c426e40) at uvm_fault_lower+0x89 sys/uvm/uvm_fault.c:1334 uvm_fault(fffffd807ac05200,110c285000,0,1) at uvm_fault+0x274 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff80003c427060,110c28534d) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 usertrap(ffff80003c427060) at usertrap+0x42f sys/arch/amd64/amd64/trap.c:632 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x75572e06cee0, count: 4 ddb{0}> trace x86_ipi_db(ffffffff837cfff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 mtx_enter(ffffffff839e4158) at mtx_enter+0x377 sys/kern/kern_lock.c:454 uvm_pageactivate(fffffd80088f9ff8) at uvm_pageactivate+0x15a sys/uvm/uvm_page.c:1311 uvm_fault_lower_lookup(ffff80003c426ec0,ffff80003c426ef8,ffff80003c426e40) at uvm_fault_lower_lookup+0x2a4 sys/uvm/uvm_fault.c:1248 uvm_fault_lower(ffff80003c426ec0,ffff80003c426ef8,ffff80003c426e40) at uvm_fault_lower+0x89 sys/uvm/uvm_fault.c:1334 uvm_fault(fffffd807ac05200,110c285000,0,1) at uvm_fault+0x274 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff80003c427060,110c28534d) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 usertrap(ffff80003c427060) at usertrap+0x42f sys/arch/amd64/amd64/trap.c:632 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x75572e06cee0, count: -11 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:438 panic(ffffffff833b03e7) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833f1046,ffffffff8333fc7a,52e,ffffffff834071a1) at __assert+0x29 sys/kern/subr_prf.c:-1 uvm_pagedequeue(fffffd80081ade68) at uvm_pagedequeue+0x2dd sys/uvm/uvm_page.c:1324 uvn_flush(fffffd8069520ba0,400,645,8) at uvn_flush+0x4fc sys/uvm/uvm_vnode.c:683 uvm_vnp_setsize(fffffd8069a6b0e0,400) at uvm_vnp_setsize+0x11e sys/uvm/uvm_vnode.c:1443 ffs_truncate(fffffd806c804e28,400,0,fffffd80097fd618) at ffs_truncate+0x34c sys/ufs/ffs/ffs_inode.c:173 ufs_setattr(ffff80003c447ae0) at ufs_setattr+0x8e9 sys/ufs/ufs/ufs_vnops.c:403 VOP_SETATTR(fffffd8069a6b0e0,ffff80003c447b68,fffffd80097fd618,ffff80002a2e47e0) at VOP_SETATTR+0x11b sys/kern/vfs_vops.c:210 dotruncate(ffff80002a2e47e0,fffffd8069a6b0e0,400) at dotruncate+0x1da sys/kern/vfs_syscalls.c:2865 sys_truncate(ffff80002a2e47e0,ffff80003c447e40,ffff80003c447d90) at sys_truncate+0x13e sys/kern/vfs_syscalls.c:2889 syscall(ffff80003c447e40) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c447e40) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5789537fc50, count: 2 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833b03e7) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833f1046,ffffffff8333fc7a,52e,ffffffff834071a1) at __assert+0x29 sys/kern/subr_prf.c:-1 uvm_pagedequeue(fffffd80081ade68) at uvm_pagedequeue+0x2dd sys/uvm/uvm_page.c:1324 uvn_flush(fffffd8069520ba0,400,645,8) at uvn_flush+0x4fc sys/uvm/uvm_vnode.c:683 uvm_vnp_setsize(fffffd8069a6b0e0,400) at uvm_vnp_setsize+0x11e sys/uvm/uvm_vnode.c:1443 ffs_truncate(fffffd806c804e28,400,0,fffffd80097fd618) at ffs_truncate+0x34c sys/ufs/ffs/ffs_inode.c:173 ufs_setattr(ffff80003c447ae0) at ufs_setattr+0x8e9 sys/ufs/ufs/ufs_vnops.c:403 VOP_SETATTR(fffffd8069a6b0e0,ffff80003c447b68,fffffd80097fd618,ffff80002a2e47e0) at VOP_SETATTR+0x11b sys/kern/vfs_vops.c:210 dotruncate(ffff80002a2e47e0,fffffd8069a6b0e0,400) at dotruncate+0x1da sys/kern/vfs_syscalls.c:2865 sys_truncate(ffff80002a2e47e0,ffff80003c447e40,ffff80003c447d90) at sys_truncate+0x13e sys/kern/vfs_syscalls.c:2889 syscall(ffff80003c447e40) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c447e40) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5789537fc50, count: -13