*cpu0: uvm_fault(0xfffff5806d196d00, 0x70, 0, 1) -> e ddb> show kasan No such command ddb> trace dovutimens(ffff80003c8fbca8,fffff58062e04878,ffff80003c91cfa0) at dovutimens+0x368 sys/kern/vfs_syscalls.c:2691 sys_futimes(ffff80003c8fbca8,ffff80003c91d0e0,ffff80003c91d030) at sys_futimes+0x208 sys/kern/vfs_syscalls.c:2733 syscall(ffff80003c91d0e0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003c91d0e0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe184f8021f0, count: -4 ddb> show registers rdi 0xffff8000338be000 rsi 0x3e rbp 0xffff80003c91cf70 rbx 0xfffffffffffffffe rdx 0xffff8000338be000 rcx 0x3d rax 0 r8 0xffffffff81051b40 uvm_map_inentry_sp r9 0 r10 0 r11 0x9845b80bfb483397 r12 0xffff80003c91cfa0 r13 0x13226ad1 __kernel_phys_end+0xf626ad1 r14 0xfffff58062e04878 r15 0xffff80003c8fbca8 rip 0xffffffff82791f98 dovutimens+0x368 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80003c91ce70 ss 0x10 dovutimens+0x368: movl 0x70(%rax),%r12d ddb> show proc PROC (syz-executor) tid=365717 pid=47297 tcnt=2 stat=onproc flags process=10 proc=4000000 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003c8fb4e0,0xffffffff83a6f280 process=0xffff800045ffad18 user=0xffff80003c918000, vmspace=0xfffff5806d196d00 estcpu=36, cpticks=11, pctcpu=0.0, user=0, sys=10, intr=1 ddb> ps PID TID PPID UID S PRLAGS PFLAGS WAIT COMMAND 47297 445365 97622 -1 2 0x10 0 syz-executor *47297 365717 97622 -1 7 0x10 0x4000000 syz-executor 70024 47270 14211 0 2 0 0 syz-executor 70024 248512 14211 0 3 0 0x4000080 fsleep syz-executor 70024 162708 14211 0 3 0 0x4000080 fsleep syz-executor 21141 263026 18243 0 2 0 0 syz-executor 21141 478822 18243 0 3 0 0x4000080 fsleep syz-executor 82188 435060 10385 0 2 0 0 syz-executor 82188 215306 10385 0 3 0 0x4000080 lockf syz-executor 61416 479032 59328 -1 2 0x10 0 syz-executor 61416 421402 59328 -1 3 0x10 0x4000080 fsleep syz-executor 81444 412610 32939 0 2 0 0xc80 syz-executor 81444 71806 32939 0 3 0 0x4000080 ttyout syz-executor 52190 511213 42899 0 2 0 0 syz-executor 52190 130074 42899 0 3 0 0x4000080 fsleep syz-executor 18243 324600 63680 0 2 0x2 0xc80 syz-executor 59328 168643 63680 0 2 0x2 0xc80 syz-executor 32939 201289 63680 0 2 0x2 0xc80 syz-executor 97622 66609 63680 0 2 0x2 0xc80 syz-executor 42899 449064 63680 0 2 0x2 0xc80 syz-executor 10385 261369 63680 0 2 0x2 0xc80 syz-executor 14211 26098 63680 0 2 0x2 0xc80 syz-executor 55136 422147 63680 0 2 0x2 0 syz-executor 63680 423430 88126 0 3 0x2 0x80 kqread syz-executor 88126 162498 52192 0 3 0x100002 0x88 sigsusp ksh 52192 242686 11324 0 3 0x10 0x88 kqread sshd-session 11324 300591 56174 0 3 0x12 0x80 kqread sshd-session 54215 182161 1 0 3 0x100003 0x80 ttyin getty 56174 393998 1 0 3 0 0x88 kqread sshd 37855 74357 22748 73 2 0x1100010 0x80 syslogd 22748 160232 1 0 3 0x100002 0x80 sbwait syslogd 31570 57309 1 0 3 0x100000 0x80 kqread resolvd 13317 430781 74447 77 3 0x100012 0x80 kqread dhcpleased 28664 247182 74447 77 3 0x100012 0x80 kqread dhcpleased 74447 205990 1 0 3 0 0x80 kqread dhcpleased 22644 8061 0 0 3 0x14000 0x200 bored smr 17616 282986 0 0 2 0x14000 0x200 zerothread 84138 361874 0 0 3 0x14000 0x200 aiodoned aiodoned 43655 387381 0 0 3 0x14000 0x200 syncer update 28945 159021 0 0 3 0x14000 0x200 cleaner cleaner 63227 456120 0 0 3 0x14000 0x200 reaper reaper 61608 153600 0 0 3 0x14000 0x200 pgdaemon pagedaemon 75976 262350 0 0 3 0x14000 0x200 bored viomb 95787 510295 0 0 3 0x14000 0x40000200 acpi0 acpi0 62113 403158 0 0 3 0x14000 0x200 bored softnet0 35427 47428 0 0 3 0x14000 0x200 bored systqmp 74774 281934 0 0 3 0x14000 0x200 bored systq 55653 39853 0 0 3 0x14000 0x40000200 tmoslp softclock 30751 314365 0 0 3 0x14000 0x40000200 idle0 1 314871 0 0 3 0x2 0x80 wait init 0 0 -1 0 3 0x10000 0x200 scheduler swapper ddb> show all locks No such command ddb> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11040 12248K 12378K 166960K 12372 0 pcb 18 14K 16K 166960K 106 0 rtable 227 6K 6K 166960K 359 0 pf 33 13K 15K 166960K 40 0 ifaddr 41 7K 7K 166960K 46 0 ifgroup 50 2K 2K 166960K 54 0 sysctl 2 1K 9K 166960K 6 0 counters 33 17K 18K 166960K 35 0 ioctlops 0 0K 4K 166960K 52 0 iov 0 0K 4K 166960K 2 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1333 84K 84K 166960K 1476 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 6 0K 0K 166960K 6 0 dirhash 12 2K 2K 166960K 15 0 ACPI 1734 201K 291K 166960K 11964 0 file desc 17 61K 93K 166960K 230 0 sigio 0 0K 0K 166960K 2 0 proc 60 59K 100K 166960K 509 0 subproc 72 4K 4K 166960K 72 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 7 0 in_multi 98 7K 7K 166960K 102 0 ether_multi 1 0K 0K 166960K 1 0 mrt 0 0K 0K 166960K 3 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 376 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 213 150K 158K 166960K 3743 0 UVM aobj 10 2K 2K 166960K 10 0 pinsyscall 38 76K 94K 166960K 1330 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 NDP 11 0K 2K 166960K 29 0 temp 34 9102K 9166K 166960K 11770 0 kqueue 15 22K 28K 166960K 45 0 SYN cache 2 16K 16K 166960K 2 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle rtpcb 120 42 0 39 1 0 1 1 0 8 0 rtentry 136 113 0 8 4 0 4 4 0 8 0 unpcb 144 108 0 86 2 0 2 2 0 8 1 syncache 336 5 0 5 1 0 1 1 0 8 1 tcpcb 736 26 0 20 1 0 1 1 0 8 0 arp 96 19 0 3 1 0 1 1 0 8 0 inpcb 328 175 0 164 7 0 7 7 0 8 6 nd6 112 24 0 0 1 0 1 1 0 8 0 pkpcb 40 3 0 3 1 0 1 1 0 8 1 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1072 2 0 2 1 0 1 1 0 8 1 pffrag 232 2 0 0 1 0 1 1 0 482 0 pffrnode 88 2 0 0 1 0 1 1 0 8 0 pffrent 40 3 0 1 1 0 1 1 0 8 0 pfstkey 128 4 0 4 1 0 1 1 0 8 1 pfstate 384 2 0 2 1 0 1 1 0 8 1 pfrule 1360 1 0 1 1 0 1 1 0 8 1 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 40 454 0 6 5 0 5 5 0 8 0 art_node 32 113 0 18 1 0 1 1 0 8 0 semupl 112 1 0 1 1 0 1 1 0 8 1 semapl 72 4 0 0 1 0 1 1 0 8 0 shmpl 112 7 0 0 1 0 1 1 0 8 0 dirhash 1024 19 0 2 3 0 3 3 0 8 0 dino2pl 256 1746 0 283 92 0 92 92 0 8 0 ffsino 256 1746 0 283 92 0 92 92 0 8 0 nchpl 144 2064 0 370 64 0 64 64 0 8 0 vnodes 216 1910 0 0 107 0 107 107 0 8 0 namei 1024 6770 0 6770 2 0 2 2 0 8 2 kstatmem 264 27 0 4 2 0 2 2 0 8 0 scxspl 216 7153 0 7153 8 0 8 8 1 8 8 plimitpl 152 41 0 24 1 0 1 1 0 8 0 sigapl 424 525 0 483 6 0 6 6 0 8 1 knotepl 120 6952 0 6903 11 1 10 11 0 8 8 kqueuepl 184 39 0 28 1 0 1 1 0 8 0 pipepl 304 127 0 99 3 0 3 3 0 8 0 fdescpl 448 512 0 483 5 0 5 5 0 8 1 filepl 120 2206 0 1910 10 0 10 10 0 8 1 lockfpl 104 55 0 49 1 0 1 1 0 8 0 lockfspl 48 27 0 22 1 0 1 1 0 8 0 sessionpl 144 91 0 83 1 0 1 1 0 8 0 pgrppl 48 100 0 84 1 0 1 1 0 8 0 ucredpl 104 233 0 220 1 0 1 1 0 8 0 zombiepl 144 483 0 483 1 0 1 1 0 8 1 processpl 1152 525 0 483 4 0 4 4 0 8 0 procpl 664 660 0 610 5 0 5 5 0 8 0 sockpl 552 330 0 293 7 0 7 7 0 8 4 mcl64k 65536 1 0 1 1 0 1 1 0 8 1 mcl8k 8192 9 0 9 1 0 1 1 0 8 1 mcl4k 4096 2619 0 2568 16 1 15 16 0 8 8 mcl2k 2048 194 0 193 1 0 1 1 0 8 0 mextrefs 64 68 0 67 1 0 1 1 0 8 0 mtagpl 96 4 0 4 1 0 1 1 0 8 1 mbufpl 256 5378 0 5247 21 4 17 21 0 8 8 bufpl 272 2466 0 102 158 0 158 158 0 8 0 anonpl 24 80725 0 77594 20 0 20 20 0 187 0 amapchunkpl 152 10585 0 10141 27 0 27 27 0 158 9 amappl16 200 1012 0 987 4 0 4 4 0 8 2 amappl15 192 7 0 7 1 0 1 1 0 8 1 amappl14 184 409 0 408 1 0 1 1 0 8 0 amappl13 176 116 0 105 1 0 1 1 0 8 0 amappl12 168 749 0 720 2 0 2 2 0 8 0 amappl11 160 2 0 2 1 0 1 1 0 8 1 amappl10 152 57 0 47 1 0 1 1 0 8 0 amappl9 144 269 0 269 1 0 1 1 0 8 1 amappl8 136 94 0 93 1 0 1 1 0 8 0 amappl7 128 137 0 126 1 0 1 1 0 8 0 amappl6 120 149 0 148 1 0 1 1 0 8 0 amappl5 112 176 0 169 1 0 1 1 0 8 0 amappl4 104 261 0 245 1 0 1 1 0 8 0 amappl3 96 1975 0 1870 4 0 4 4 0 8 0 amappl2 88 521 0 468 2 0 2 2 0 8 0 amappl1 80 10459 0 9900 13 0 13 13 0 8 1 amappl 88 3038 0 2889 4 0 4 4 0 92 0 uvmvnodes 80 98 0 0 2 0 2 2 0 8 0 dma4096 4096 1 0 1 1 0 1 1 0 8 1 dma1024 1024 1 0 0 1 0 1 1 0 8 0 dma256 256 6 0 6 1 0 1 1 0 8 1 dma128 128 253 0 253 1 0 1 1 0 8 1 dma64 64 6 0 6 1 0 1 1 0 8 1 dma32 32 7 0 7 1 0 1 1 0 8 1 dma16 16 18 0 17 1 0 1 1 0 8 0 aobjpl 72 9 0 0 1 0 1 1 0 8 0 uaddrrnd 24 512 0 483 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 512 0 483 1 0 1 1 0 8 0 vmmpekpl 168 5940 0 5910 2 0 2 2 0 8 0 vmmpepl 168 40542 0 38771 81 0 81 81 0 357 1 vmsppl 368 511 0 483 4 0 4 4 0 8 1 rwobjpl 40 14143 0 13203 11 0 11 11 0 8 1 pdppl 4096 1030 0 966 94 28 66 80 0 8 2 pvpl 32 228619 0 219882 87 0 87 87 0 265 11 pmappl 216 511 0 483 3 0 3 3 0 8 0 extentpl 40 46 0 28 1 0 1 1 0 8 0 phpool 112 526 0 33 15 0 15 15 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace dovutimens(ffff80003c8fbca8,fffff58062e04878,ffff80003c91cfa0) at dovutimens+0x368 sys/kern/vfs_syscalls.c:2691 sys_futimes(ffff80003c8fbca8,ffff80003c91d0e0,ffff80003c91d030) at sys_futimes+0x208 sys/kern/vfs_syscalls.c:2733 syscall(ffff80003c91d0e0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003c91d0e0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe184f8021f0, count: -4 ddb> machine ddbcpu 1 No such command ddb> trace dovutimens(ffff80003c8fbca8,fffff58062e04878,ffff80003c91cfa0) at dovutimens+0x368 sys/kern/vfs_syscalls.c:2691 sys_futimes(ffff80003c8fbca8,ffff80003c91d0e0,ffff80003c91d030) at sys_futimes+0x208 sys/kern/vfs_syscalls.c:2733 syscall(ffff80003c91d0e0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003c91d0e0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe184f8021f0, count: -4