panic: kernel diagnostic assertion "pg->wire_count == 1" failed: file "/syzkaller/managers/multicore/kernel/sys/kern/vfs_biomem.c", line 310 Stopped at db_enter+0x1c: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *512262 48603 0 0x8000002 0x1 0K syz-executor.6 260966 10069 0 0x14000 0x200 1 softnet0 db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8295aa9a) at panic+0x17b sys/kern/subr_prf.c:198 __assert(ffffffff8290d321,ffffffff828aed20,136,ffffffff8289449e) at __assert+0x29 sys/kern/subr_prf.c:157 buf_free_pages(fffffd807c5de268) at buf_free_pages+0x1d0 sys/kern/vfs_biomem.c:299 buf_dealloc_mem(fffffd807c5de268) at buf_dealloc_mem+0xe2 sys/kern/vfs_biomem.c:179 buf_put(fffffd807c5de268) at buf_put+0x15e sys/kern/vfs_bio.c:127 brelse(fffffd807c5de268) at brelse+0x26b sys/kern/vfs_bio.c:944 vinvalbuf(fffffd806b3ce7f0,2,ffffffffffffffff,ffff80002a1ff9c0,0,ffffffffffffffff) at vinvalbuf+0x3b8 sys/kern/vfs_subr.c:2025 ffs_truncate(fffffd806b314dd8,0,0,ffffffffffffffff) at ffs_truncate+0xba2 ufs_inactive(ffff8000325433b8) at ufs_inactive+0x16a sys/ufs/ufs/ufs_inode.c:84 VOP_INACTIVE(fffffd806b3ce7f0,ffff80002a1ff9c0) at VOP_INACTIVE+0xc4 sys/kern/vfs_vops.c:489 vrele(fffffd806b3ce7f0) at vrele+0xd5 sys/kern/vfs_subr.c:827 ktrwriteraw(ffff80002a1ff9c0,fffffd806b3ce7f0,fffffd807f7d76e8,ffff800032543568,ffff800032543540) at ktrwriteraw+0x2b4 ktrcleartrace sys/kern/kern_ktrace.c:86 [inline] ktrwriteraw(ffff80002a1ff9c0,fffffd806b3ce7f0,fffffd807f7d76e8,ffff800032543568,ffff800032543540) at ktrwriteraw+0x2b4 sys/kern/kern_ktrace.c:701 ktrgenio(ffff80002a1ff9c0,f9,0,ffff8000006bce70,40) at ktrgenio+0x256 ktrwrite2 sys/kern/kern_ktrace.c:644 [inline] ktrgenio(ffff80002a1ff9c0,f9,0,ffff8000006bce70,40) at ktrgenio+0x256 sys/kern/kern_ktrace.c:258 end trace frame: 0xffff8000325436c0, count: 0 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: kernel diagnostic assertion "pg->wire_count == 1" failed: file "/syzkaller/managers/multicore/kernel/sys/kern/vfs_biomem.c", line 310 ddb{0}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8295aa9a) at panic+0x17b sys/kern/subr_prf.c:198 __assert(ffffffff8290d321,ffffffff828aed20,136,ffffffff8289449e) at __assert+0x29 sys/kern/subr_prf.c:157 buf_free_pages(fffffd807c5de268) at buf_free_pages+0x1d0 sys/kern/vfs_biomem.c:299 buf_dealloc_mem(fffffd807c5de268) at buf_dealloc_mem+0xe2 sys/kern/vfs_biomem.c:179 buf_put(fffffd807c5de268) at buf_put+0x15e sys/kern/vfs_bio.c:127 brelse(fffffd807c5de268) at brelse+0x26b sys/kern/vfs_bio.c:944 vinvalbuf(fffffd806b3ce7f0,2,ffffffffffffffff,ffff80002a1ff9c0,0,ffffffffffffffff) at vinvalbuf+0x3b8 sys/kern/vfs_subr.c:2025 ffs_truncate(fffffd806b314dd8,0,0,ffffffffffffffff) at ffs_truncate+0xba2 ufs_inactive(ffff8000325433b8) at ufs_inactive+0x16a sys/ufs/ufs/ufs_inode.c:84 VOP_INACTIVE(fffffd806b3ce7f0,ffff80002a1ff9c0) at VOP_INACTIVE+0xc4 sys/kern/vfs_vops.c:489 vrele(fffffd806b3ce7f0) at vrele+0xd5 sys/kern/vfs_subr.c:827 ktrwriteraw(ffff80002a1ff9c0,fffffd806b3ce7f0,fffffd807f7d76e8,ffff800032543568,ffff800032543540) at ktrwriteraw+0x2b4 ktrcleartrace sys/kern/kern_ktrace.c:86 [inline] ktrwriteraw(ffff80002a1ff9c0,fffffd806b3ce7f0,fffffd807f7d76e8,ffff800032543568,ffff800032543540) at ktrwriteraw+0x2b4 sys/kern/kern_ktrace.c:701 ktrgenio(ffff80002a1ff9c0,f9,0,ffff8000006bce70,40) at ktrgenio+0x256 ktrwrite2 sys/kern/kern_ktrace.c:644 [inline] ktrgenio(ffff80002a1ff9c0,f9,0,ffff8000006bce70,40) at ktrgenio+0x256 sys/kern/kern_ktrace.c:258 dofilereadv(ffff80002a1ff9c0,f9,ffff8000325436d8,0,ffff800032543790) at dofilereadv+0x2ea sys/kern/sys_generic.c:263 sys_read(ffff80002a1ff9c0,ffff800032543840,ffff800032543790) at sys_read+0x87 sys/kern/sys_generic.c:167 syscall(ffff800032543840) at syscall+0x8cf mi_syscall sys/sys/syscall_mi.h:180 [inline] syscall(ffff800032543840) at syscall+0x8cf sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7376305e2430, count: -18 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff800032542eb0 rbx 0xffffffff82d42cdf cpu_info_full_primary+0x2cdf rdx 0 rcx 0xffff80002a1ff9c0 rax 0xffffffff82d41ff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x61f6c81a57c02882 r11 0xfae613197e304ed8 r12 0xffffffff82d42ae0 cpu_info_full_primary+0x2ae0 r13 0 r14 0 r15 0x1 rip 0xffffffff8149911c db_enter+0x1c cs 0x8 rflags 0x246 rsp 0xffff800032542ea0 ss 0x10 db_enter+0x1c: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor.6) tid=512262 pid=48603 tcnt=1 stat=onproc flags process=8000002 proc=1 runpri=17, usrpri=83, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 forw=0xffffffffffffffff, list=0xffff80002a1fea60,0xffff80002a239748 process=0xffff80002a2988f8 user=0xffff80003253e000, vmspace=0xfffffd806d4ce6f0 estcpu=33, cpticks=2, pctcpu=0.2, user=0, sys=2, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 72607 513058 88627 0 3 0x8000080 nanoslp syz-executor.5 72607 225487 88627 0 3 0xc000080 kqread syz-executor.5 72607 40613 88627 0 3 0xc000080 fsleep syz-executor.5 73895 297017 28983 0 3 0x8000080 nanoslp syz-executor.7 73895 115830 28983 0 3 0xc000080 msgwait syz-executor.7 73895 385639 28983 0 3 0xc000080 msgwait syz-executor.7 73895 208793 28983 0 3 0xc000080 fsleep syz-executor.7 8582 242962 13012 0 3 0x8000002 biowait syz-executor.2 10345 137343 13012 0 2 0x8000002 syz-executor.1 88627 173380 13012 0 3 0x8000082 nanoslp syz-executor.5 10901 339928 13012 0 3 0x8000082 piperd syz-executor.4 87752 148641 0 0 3 0x14200 acct acct 9365 441043 1 0 3 0x18100083 ttyin getty 28983 107394 13012 0 3 0x8000082 nanoslp syz-executor.7 79354 362907 0 0 3 0x14200 bored sosplice *48603 512262 13012 0 7 0x8000003 syz-executor.6 19730 501649 13012 0 3 0x8000082 piperd syz-executor.3 7000 332253 13012 0 3 0x8000082 piperd syz-executor.0 13012 273329 76667 0 3 0x1a000082 thrsleep syz-fuzzer 13012 32920 76667 0 3 0x1e000082 nanoslp syz-fuzzer 13012 9961 76667 0 3 0x1e000082 thrsleep syz-fuzzer 13012 104796 76667 0 3 0x1e000082 thrsleep syz-fuzzer 13012 65828 76667 0 3 0x1e000082 wait syz-fuzzer 13012 197134 76667 0 3 0x1e000082 wait syz-fuzzer 13012 308096 76667 0 3 0x1e000082 wait syz-fuzzer 13012 32207 76667 0 2 0x1e000002 syz-fuzzer 13012 106033 76667 0 3 0x1e000082 wait syz-fuzzer 13012 243898 76667 0 3 0x1e000082 wait syz-fuzzer 13012 249383 76667 0 3 0x1e000082 thrsleep syz-fuzzer 13012 484513 76667 0 3 0x1e000082 thrsleep syz-fuzzer 13012 475628 76667 0 3 0x1e000082 wait syz-fuzzer 13012 322905 76667 0 3 0x1e000082 wait syz-fuzzer 13012 455390 76667 0 3 0x1e000082 wait syz-fuzzer 13012 406515 76667 0 2 0x1e000002 syz-fuzzer 76667 59608 67727 0 3 0x810008a sigsusp ksh 67727 480447 7914 0 3 0x1800009a kqread sshd 7914 304417 1 0 3 0x18000088 kqread sshd 67987 327693 70483 73 2 0x19100010 syslogd 70483 67565 1 0 3 0x18100082 sbwait syslogd 77661 161408 1 0 3 0x18100080 kqread resolvd 6805 320046 41174 77 3 0x18100092 kqread dhcpleased 4508 387659 41174 77 3 0x18100092 kqread dhcpleased 41174 350968 1 0 3 0x18000080 kqread dhcpleased 60977 207517 0 0 3 0x14200 bored smr 64815 331631 0 0 2 0x14200 zerothread 20222 55708 0 0 3 0x14200 aiodoned aiodoned 88708 137196 0 0 3 0x14200 syncer update 32702 371791 0 0 3 0x14200 cleaner cleaner 7452 490303 0 0 3 0x14200 reaper reaper 7099 37747 0 0 3 0x14200 pgdaemon pagedaemon 48255 498632 0 0 3 0x14200 bored viomb 95919 86015 0 0 3 0x40014200 acpi0 acpi0 56466 441075 0 0 3 0x40014200 idle1 9699 133947 0 0 3 0x14200 bored softnet3 13271 411352 0 0 3 0x14200 bored softnet2 21716 412277 0 0 3 0x14200 bored softnet1 10069 260966 0 0 7 0x14200 softnet0 98815 365855 0 0 3 0x14200 bored systqmp 45856 515244 0 0 3 0x14200 bored systq 47795 296221 0 0 3 0x14200 tmoslp softclockmp 78206 93357 0 0 3 0x40014200 tmoslp softclock 89990 496695 0 0 3 0x40014200 idle0 1 487009 0 0 3 0x8000082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 8582 (syz-executor.2) thread 0xffff80002d6b1228 (242962) exclusive rrwlock inode r = 0 (0xfffffd806b314c50) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1187 #1 rw_enter+0x32d sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x91 sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 vn_lock+0x85 sys/kern/vfs_vnops.c:564 #5 vget+0x1fd sys/kern/vfs_subr.c:676 #6 ufs_ihashget+0x121 sys/ufs/ufs/ufs_ihash.c:119 #7 ffs_vget+0x7c sys/ufs/ffs/ffs_vfsops.c:1201 #8 ufs_lookup+0x1373 sys/ufs/ufs/ufs_lookup.c:478 #9 VOP_LOOKUP+0x5c sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x6f8 sys/kern/vfs_lookup.c:566 #11 namei+0x56a sys/kern/vfs_lookup.c:250 #12 dounlinkat+0x9d sys/kern/vfs_syscalls.c:1855 #13 syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline] #13 syscall+0x854 sys/arch/amd64/amd64/trap.c:577 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806e9a5b48) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1187 #1 rw_enter+0x32d sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x91 sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 vn_lock+0x85 sys/kern/vfs_vnops.c:564 #5 vget+0x1fd sys/kern/vfs_subr.c:676 #6 cache_lookup+0x2b3 sys/kern/vfs_cache.c:222 #7 ufs_lookup+0x1b2 sys/ufs/ufs/ufs_lookup.c:160 #8 VOP_LOOKUP+0x5c sys/kern/vfs_vops.c:85 #9 vfs_lookup+0x6f8 sys/kern/vfs_lookup.c:566 #10 namei+0x56a sys/kern/vfs_lookup.c:250 #11 dounlinkat+0x9d sys/kern/vfs_syscalls.c:1855 #12 syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline] #12 syscall+0x854 sys/arch/amd64/amd64/trap.c:577 #13 Xsyscall+0x128 Process 48603 (syz-executor.6) thread 0xffff80002a1ff9c0 (512262) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82e56448) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1187 #1 __mp_acquire_count+0x48 sys/kern/kern_lock.c:227 #2 mi_switch+0x491 sys/kern/sched_bsd.c:470 #3 sleep_finish+0x19a sys/kern/kern_synch.c:417 #4 biowait+0x91 sys/kern/vfs_bio.c:1254 #5 bwrite+0x1fe sys/kern/vfs_bio.c:766 #6 ffs_update+0x27f sys/ufs/ffs/ffs_inode.c:111 #7 ffs_truncate+0x987 #8 ufs_inactive+0x16a sys/ufs/ufs/ufs_inode.c:84 #9 VOP_INACTIVE+0xc4 sys/kern/vfs_vops.c:489 #10 vrele+0xd5 sys/kern/vfs_subr.c:827 #11 ktrwriteraw+0x2b4 ktrcleartrace sys/kern/kern_ktrace.c:86 [inline] #11 ktrwriteraw+0x2b4 sys/kern/kern_ktrace.c:701 #12 ktrgenio+0x256 ktrwrite2 sys/kern/kern_ktrace.c:644 [inline] #12 ktrgenio+0x256 sys/kern/kern_ktrace.c:258 #13 dofilereadv+0x2ea sys/kern/sys_generic.c:263 #14 sys_read+0x87 sys/kern/sys_generic.c:167 #15 syscall+0x8cf mi_syscall sys/sys/syscall_mi.h:180 [inline] #15 syscall+0x8cf sys/arch/amd64/amd64/trap.c:577 #16 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806b314e70) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1187 #1 rw_enter+0x32d sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x91 sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 vn_lock+0x85 sys/kern/vfs_vnops.c:564 #5 vrele+0xa3 sys/kern/vfs_subr.c:818 #6 ktrwriteraw+0x2b4 ktrcleartrace sys/kern/kern_ktrace.c:86 [inline] #6 ktrwriteraw+0x2b4 sys/kern/kern_ktrace.c:701 #7 ktrgenio+0x256 ktrwrite2 sys/kern/kern_ktrace.c:644 [inline] #7 ktrgenio+0x256 sys/kern/kern_ktrace.c:258 #8 dofilereadv+0x2ea sys/kern/sys_generic.c:263 #9 sys_read+0x87 sys/kern/sys_generic.c:167 #10 syscall+0x8cf mi_syscall sys/sys/syscall_mi.h:180 [inline] #10 syscall+0x8cf sys/arch/amd64/amd64/trap.c:577 #11 Xsyscall+0x128 Process 67987 (syslogd) thread 0xffff8000ffffd9b0 (327693) exclusive rrwlock inode r = 0 (0xfffffd806e7a50a0) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1187 #1 rw_enter+0x32d sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x91 sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 vn_lock+0x85 sys/kern/vfs_vnops.c:564 #5 sys_fsync+0xf1 sys/kern/vfs_syscalls.c:2904 #6 syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline] #6 syscall+0x854 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 Process 10069 (softnet0) thread 0xffff8000ffffea40 (260966) shared rwlock softnet0 r = 0 (0xffff80000002c070) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1187 #1 taskq_thread+0xda sys/kern/kern_task.c:446 #2 proc_trampoline+0x10 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10192 6559K 6803K 166960K 11837 0 pcb 18 12K 12K 166960K 88 0 rtable 235 7K 7K 166960K 568 0 pf 29 8K 10K 166960K 70 0 ifaddr 43 15K 15K 166960K 79 0 ifgroup 50 2K 2K 166960K 102 0 counters 64 36K 36K 166960K 90 0 ioctlops 0 0K 4K 166960K 1506 0 iov 0 0K 28K 166960K 36 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1378 87K 87K 166960K 1731 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 8 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 1K 166960K 31 0 dirhash 12 2K 2K 166960K 18 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 12 41K 89K 166960K 589 0 sigio 0 0K 0K 166960K 10 0 proc 59 79K 103K 166960K 691 0 subproc 104 6K 7K 166960K 182 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 83 0 in_multi 98 7K 7K 166960K 181 0 ether_multi 1 0K 0K 166960K 5 0 mrt 1 0K 0K 166960K 5 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 97 440K 440K 166960K 97 0 exec 0 0K 1K 166960K 485 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 252 92K 102K 166960K 7291 0 UVM aobj 19 6K 6K 166960K 20 0 pinsyscall 32 64K 100K 166960K 1883 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 31 0 NDP 13 0K 2K 166960K 52 0 temp 63 6816K 6946K 166960K 33880 0 kqueue 13 20K 28K 166960K 89 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 24 0 0 1 0 1 1 0 8 0 rtpcb 120 77 0 74 1 0 1 1 0 8 0 rtentry 112 185 0 76 4 0 4 4 0 8 0 unpcb 144 342 0 329 3 1 2 2 0 8 1 syncache 336 4 0 4 1 1 0 1 0 8 0 tcpqe 32 27 0 27 1 1 0 1 0 8 0 tcpcb 808 125 0 120 2 0 2 2 0 8 1 arp 120 32 0 14 1 0 1 1 0 8 0 inpcb 384 529 0 518 3 0 3 3 0 8 1 nd6 136 45 0 19 1 0 1 1 0 8 0 pkpcb 40 1 0 1 1 1 0 1 0 8 0 kcovpl 48 14 0 6 1 0 1 1 0 8 0 ppxss 1168 3 0 3 2 2 0 1 0 8 0 pffrag 232 6 0 2 1 0 1 1 0 482 0 pffrnode 88 6 0 2 1 0 1 1 0 8 0 pffrent 40 50 0 46 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 57 0 21 1 0 1 1 0 8 0 pfstkey 128 57 0 21 2 0 2 2 0 8 0 pfstate 376 57 0 21 4 0 4 4 0 8 0 pfrule 1344 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 731 0 277 32 3 29 29 0 8 0 art_table 32 732 0 277 4 0 4 4 0 8 0 art_node 16 184 0 85 1 0 1 1 0 8 0 sysvmsgpl 40 7 0 4 3 2 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 29 0 19 1 0 1 1 0 8 0 shmpl 112 17 0 1 1 0 1 1 0 8 0 dirhash 1024 21 0 4 3 0 3 3 0 8 0 dino2pl 256 2276 0 753 96 0 96 96 0 8 0 ffsino 272 2276 0 753 102 0 102 102 0 8 0 nchpl 144 3142 0 1408 67 0 67 67 0 8 0 uvmvnodes 80 2624 0 0 54 0 54 54 0 8 0 vnodes 216 2624 0 0 146 0 146 146 0 8 0 namei 1024 11354 0 11354 3 2 1 2 0 8 1 percpumem 16 59 0 13 1 0 1 1 0 8 0 vcpupl 3904 1 0 0 1 0 1 1 0 8 0 vmpool 696 1 0 0 1 0 1 1 0 8 0 kstatmem 264 48 0 26 2 0 2 2 0 8 0 scsiplug 72 2 0 2 2 2 0 1 0 8 0 scxspl 216 16551 0 16550 11 10 1 8 1 8 0 plimitpl 152 108 0 93 1 0 1 1 0 8 0 sigapl 424 883 0 840 6 0 6 6 0 8 0 futexpl 64 7146 0 7144 1 0 1 1 0 8 0 knotepl 120 588 0 0 18 0 18 18 0 8 0 kqueuepl 216 169 0 159 2 1 1 2 0 8 0 pipepl 320 195 0 167 3 0 3 3 0 8 0 fdescpl 496 863 0 840 6 2 4 5 0 8 0 filepl 152 4780 0 4536 13 2 11 12 0 8 0 lockfpl 104 134 0 132 1 0 1 1 0 8 0 lockfspl 48 58 0 56 1 0 1 1 0 8 0 sessionpl 144 30 0 14 1 0 1 1 0 8 0 pgrppl 48 35 0 19 1 0 1 1 0 8 0 ucredpl 104 629 0 619 1 0 1 1 0 8 0 zombiepl 144 840 0 840 1 0 1 1 0 8 1 processpl 1136 883 0 840 4 0 4 4 0 8 0 procpl 656 1389 0 1326 8 1 7 7 0 8 0 srpgc 96 6 0 6 3 3 0 1 0 8 0 sosppl 168 8 0 8 2 1 1 1 0 8 1 sockpl 664 949 0 922 9 4 5 5 0 8 2 mcl64k 65536 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 6 0 0 1 0 1 1 0 8 0 mcl2k 2048 394 0 0 50 0 50 50 0 8 0 mtagpl 96 10 0 0 1 0 1 1 0 8 0 mbufpl 256 1122 0 0 68 0 68 68 0 8 0 bufpl 280 6698 0 443 447 0 447 447 0 8 0 anonpl 24 259026 0 253544 66 4 62 64 0 186 14 amapchunkpl 152 24333 0 23732 42 6 36 41 0 158 4 amappl16 200 6503 0 6396 25 11 14 22 0 8 4 amappl15 192 15 0 15 1 1 0 1 0 8 0 amappl14 184 197 0 185 2 1 1 2 0 8 0 amappl13 176 12 0 11 2 1 1 1 0 8 0 amappl12 168 1640 0 1614 3 1 2 3 0 8 0 amappl11 160 76 0 66 1 0 1 1 0 8 0 amappl10 152 45 0 37 1 0 1 1 0 8 0 amappl9 144 416 0 415 1 0 1 1 0 8 0 amappl8 136 121 0 91 2 0 2 2 0 8 0 amappl7 128 60 0 45 1 0 1 1 0 8 0 amappl6 120 399 0 386 2 1 1 2 0 8 0 amappl5 112 207 0 195 1 0 1 1 0 8 0 amappl4 104 579 0 546 2 0 2 2 0 8 0 amappl3 96 4386 0 4323 3 0 3 3 0 8 0 amappl2 88 1252 0 1184 4 2 2 4 0 8 0 amappl1 80 11298 0 10827 22 11 11 22 0 8 0 amappl 88 6685 0 6516 6 0 6 6 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 19 0 1 1 0 1 1 0 8 0 uaddrrnd 24 864 0 840 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 864 0 840 1 0 1 1 0 8 0 vmmpekpl 168 11021 0 10959 3 0 3 3 0 8 0 vmmpepl 168 73377 0 71758 118 23 95 114 0 357 6 vmsppl 440 863 0 840 4 0 4 4 0 8 0 rwobjpl 56 27668 0 24007 61 8 53 53 0 8 0 pdppl 4096 1735 0 1681 111 43 68 77 0 8 14 pvpl 32 47782 0 0 387 1 386 386 0 265 0 pmappl 248 863 0 840 4 2 2 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 477 0 53 13 0 13 13 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8295aa9a) at panic+0x17b sys/kern/subr_prf.c:198 __assert(ffffffff8290d321,ffffffff828aed20,136,ffffffff8289449e) at __assert+0x29 sys/kern/subr_prf.c:157 buf_free_pages(fffffd807c5de268) at buf_free_pages+0x1d0 sys/kern/vfs_biomem.c:299 buf_dealloc_mem(fffffd807c5de268) at buf_dealloc_mem+0xe2 sys/kern/vfs_biomem.c:179 buf_put(fffffd807c5de268) at buf_put+0x15e sys/kern/vfs_bio.c:127 brelse(fffffd807c5de268) at brelse+0x26b sys/kern/vfs_bio.c:944 vinvalbuf(fffffd806b3ce7f0,2,ffffffffffffffff,ffff80002a1ff9c0,0,ffffffffffffffff) at vinvalbuf+0x3b8 sys/kern/vfs_subr.c:2025 ffs_truncate(fffffd806b314dd8,0,0,ffffffffffffffff) at ffs_truncate+0xba2 ufs_inactive(ffff8000325433b8) at ufs_inactive+0x16a sys/ufs/ufs/ufs_inode.c:84 VOP_INACTIVE(fffffd806b3ce7f0,ffff80002a1ff9c0) at VOP_INACTIVE+0xc4 sys/kern/vfs_vops.c:489 vrele(fffffd806b3ce7f0) at vrele+0xd5 sys/kern/vfs_subr.c:827 ktrwriteraw(ffff80002a1ff9c0,fffffd806b3ce7f0,fffffd807f7d76e8,ffff800032543568,ffff800032543540) at ktrwriteraw+0x2b4 ktrcleartrace sys/kern/kern_ktrace.c:86 [inline] ktrwriteraw(ffff80002a1ff9c0,fffffd806b3ce7f0,fffffd807f7d76e8,ffff800032543568,ffff800032543540) at ktrwriteraw+0x2b4 sys/kern/kern_ktrace.c:701 ktrgenio(ffff80002a1ff9c0,f9,0,ffff8000006bce70,40) at ktrgenio+0x256 ktrwrite2 sys/kern/kern_ktrace.c:644 [inline] ktrgenio(ffff80002a1ff9c0,f9,0,ffff8000006bce70,40) at ktrgenio+0x256 sys/kern/kern_ktrace.c:258 dofilereadv(ffff80002a1ff9c0,f9,ffff8000325436d8,0,ffff800032543790) at dofilereadv+0x2ea sys/kern/sys_generic.c:263 sys_read(ffff80002a1ff9c0,ffff800032543840,ffff800032543790) at sys_read+0x87 sys/kern/sys_generic.c:167 syscall(ffff800032543840) at syscall+0x8cf mi_syscall sys/sys/syscall_mi.h:180 [inline] syscall(ffff800032543840) at syscall+0x8cf sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7376305e2430, count: -18 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp x86_ipi_db(ffff800029cebff0) at x86_ipi_db+0x1e 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+0x27 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 kd_curproc sys/dev/kcov.c:590 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 sys/dev/kcov.c:158 __mp_lock(ffffffff82e56240) at __mp_lock+0x133 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82e56240) at __mp_lock+0x133 sys/kern/kern_lock.c:147 if_qstart_compat(ffff8000001a0550) at if_qstart_compat+0x1e sys/net/if.c:716 ifq_serialize(ffff8000001a0550,ffff8000001a0678) at ifq_serialize+0x171 sys/net/ifq.c:113 taskq_thread(ffff80000002c000) at taskq_thread+0xf5 sys/kern/kern_task.c:450 end trace frame: 0x0, count: 7 ddb{1}> trace x86_ipi_db(ffff800029cebff0) at x86_ipi_db+0x1e 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+0x27 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 kd_curproc sys/dev/kcov.c:590 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 sys/dev/kcov.c:158 __mp_lock(ffffffff82e56240) at __mp_lock+0x133 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82e56240) at __mp_lock+0x133 sys/kern/kern_lock.c:147 if_qstart_compat(ffff8000001a0550) at if_qstart_compat+0x1e sys/net/if.c:716 ifq_serialize(ffff8000001a0550,ffff8000001a0678) at ifq_serialize+0x171 sys/net/ifq.c:113 taskq_thread(ffff80000002c000) at taskq_thread+0xf5 sys/kern/kern_task.c:450 end trace frame: 0x0, count: -8