login: uvm_fault(0xffffffff839ada68, 0xffff80001e345ff8, 0, 1) -> d kernel: page fault trap, code=0 Stopped at ffs_indirtrunc+0x699: movq 0(%rax,%rbx,8),%rbx TID PID UID PRFLAGS PFLAGS CPU COMMAND *147079 90823 0 0x2 0 0 syz-executor ffs_indirtrunc(fffffd8074a8e518,fffffffffffffff4,97360,ffffffffffffffff,0,ffff80002a2e5fd8) at ffs_indirtrunc+0x699 sys/ufs/ffs/ffs_inode.c:495 ffs_truncate(fffffd8074a8e518,0,0,ffffffffffffffff) at ffs_truncate+0x103f sys/ufs/ffs/ffs_inode.c:297 ufs_inactive(ffff80002a2e6130) at ufs_inactive+0x202 sys/ufs/ufs/ufs_inode.c:84 VOP_INACTIVE(fffffd805e5a5870,ffff8000fffee7e0) at VOP_INACTIVE+0x104 sys/kern/vfs_vops.c:498 vput(fffffd805e5a5870) at vput+0xe5 sys/kern/vfs_subr.c:789 VOP_REMOVE(fffffd806b16b060,fffffd805e5a5870,ffff80002a2e6298) at VOP_REMOVE+0x199 sys/kern/vfs_vops.c:336 dounlinkat(ffff8000fffee7e0,ffffff9c,77d2bcb50440,0) at dounlinkat+0x1c4 sys/kern/vfs_syscalls.c:1923 syscall(ffff80002a2e6410) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a2e6410) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x77d2bcb508f0, count: 6 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: uvm_fault(0xffffffff839ada68, 0xffff80001e345ff8, 0, 1) -> d ddb{0}> trace ffs_indirtrunc(fffffd8074a8e518,fffffffffffffff4,97360,ffffffffffffffff,0,ffff80002a2e5fd8) at ffs_indirtrunc+0x699 sys/ufs/ffs/ffs_inode.c:495 ffs_truncate(fffffd8074a8e518,0,0,ffffffffffffffff) at ffs_truncate+0x103f sys/ufs/ffs/ffs_inode.c:297 ufs_inactive(ffff80002a2e6130) at ufs_inactive+0x202 sys/ufs/ufs/ufs_inode.c:84 VOP_INACTIVE(fffffd805e5a5870,ffff8000fffee7e0) at VOP_INACTIVE+0x104 sys/kern/vfs_vops.c:498 vput(fffffd805e5a5870) at vput+0xe5 sys/kern/vfs_subr.c:789 VOP_REMOVE(fffffd806b16b060,fffffd805e5a5870,ffff80002a2e6298) at VOP_REMOVE+0x199 sys/kern/vfs_vops.c:336 dounlinkat(ffff8000fffee7e0,ffffff9c,77d2bcb50440,0) at dounlinkat+0x1c4 sys/kern/vfs_syscalls.c:1923 syscall(ffff80002a2e6410) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a2e6410) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x77d2bcb508f0, count: -9 ddb{0}> show registers rdi 0x2 rsi 0x2 rbp 0xffff80002a2e5eb0 rbx 0x7ff rdx 0 rcx 0xffff8000fffee7e0 rax 0xffff80001e342000 r8 0xffffffffffffffff r9 0xffff80002a2e5fd8 r10 0x558837f9b52600f r11 0xed406c8a44105595 r12 0xfffffffffffff7f6 r13 0x1 r14 0x2 r15 0xfffffd8074a8e518 rip 0xffffffff81707929 ffs_indirtrunc+0x699 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80002a2e5dc0 ss 0x10 ffs_indirtrunc+0x699: movq 0(%rax,%rbx,8),%rbx ddb{0}> show proc PROC (syz-executor) tid=147079 pid=90823 tcnt=1 stat=onproc flags process=2 proc=0 runpri=32, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000fffeea78,0xffff8000fffee2c0 process=0xffff8000ffff0010 user=0xffff80002a2e1000, vmspace=0xfffffd800b063b70 estcpu=36, cpticks=11, pctcpu=0.6, user=0, sys=11, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 90202 66244 0 0 3 0x14280 nfsidl nfsio 83426 300892 0 0 3 0x14280 nfsidl nfsio 38996 87007 0 0 3 0x14280 nfsidl nfsio 31071 94844 0 0 3 0x14280 nfsidl nfsio 69646 255071 0 0 3 0x14280 nfsidl nfsio 41023 416250 0 0 3 0x14280 nfsidl nfsio 95938 75279 0 0 3 0x14280 nfsidl nfsio 61479 274803 0 0 3 0x14280 nfsidl nfsio 1012 129283 0 0 3 0x14280 nfsidl nfsio 71505 22372 0 0 3 0x14280 nfsidl nfsio 1387 334027 0 0 3 0x14280 nfsidl nfsio 14451 24284 0 0 3 0x14280 nfsidl nfsio 60356 470571 0 0 3 0x14280 nfsidl nfsio 5475 376454 0 0 3 0x14280 nfsidl nfsio 78555 399205 0 0 3 0x14280 nfsidl nfsio 76140 186746 0 0 3 0x14280 nfsidl nfsio 57349 215453 0 0 3 0x14280 nfsidl nfsio 76977 55145 0 0 3 0x14280 nfsidl nfsio 82692 522703 0 0 3 0x14280 nfsidl nfsio 15986 427553 0 0 3 0x14280 nfsidl nfsio *90823 147079 3076 0 7 0x2 syz-executor 3076 437802 90726 0 3 0x82 wait syz-executor 90726 390538 86551 0 3 0x10008a sigsusp ksh 86551 492626 22797 0 3 0x98 kqread sshd-session 22797 300630 83951 0 3 0x92 kqread sshd-session 60648 234599 1 0 3 0x100083 ttyin getty 83951 129904 1 0 3 0x88 kqread sshd 93897 261680 53630 74 3 0x1100092 bpf pflogd 53630 59543 1 0 3 0x80 sbwait pflogd 80258 452536 27638 73 3 0x1100090 kqread syslogd 27638 347097 1 0 3 0x100082 sbwait syslogd 50780 315511 1 0 3 0x100080 kqread resolvd 49763 119824 67834 77 3 0x100092 kqread dhcpleased 19645 25359 67834 77 3 0x100092 kqread dhcpleased 67834 469612 1 0 3 0x80 kqread dhcpleased 83130 284407 0 0 2 0x40014200 smr 57304 48849 0 0 3 0x14200 pgzero zerothread 52716 124383 0 0 3 0x14200 aiodoned aiodoned 78879 20018 0 0 3 0x14200 syncer update 99430 259312 0 0 3 0x14200 cleaner cleaner 19572 76289 0 0 3 0x14200 reaper reaper 93634 124043 0 0 3 0x14200 pgdaemon pagedaemon 56043 263408 0 0 3 0x14200 bored viomb 79962 344686 0 0 3 0x40014200 acpi0 acpi0 89754 160284 0 0 7 0x40014200 idle1 10106 290203 0 0 3 0x14200 bored softnet1 55699 80304 0 0 3 0x14200 bored softnet0 49967 464948 0 0 3 0x14200 smrbar systqmp 8606 521603 0 0 3 0x14200 bored systq 92263 285612 0 0 3 0x14200 tmoslp softclockmp 97408 246881 0 0 3 0x40014200 tmoslp softclock 74400 343287 0 0 3 0x40014200 idle0 1 10069 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 90823 (syz-executor) thread 0xffff8000fffee7e0 (147079) exclusive rrwlock inode r = 0 (0xfffffd8074a8e5b8) #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 vget+0x2a2 sys/kern/vfs_subr.c:686 #6 ufs_ihashget+0x185 sys/ufs/ufs/ufs_ihash.c:98 #7 ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1203 #8 ufs_lookup+0x1a36 sys/ufs/ufs/ufs_lookup.c:478 #9 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x98a sys/kern/vfs_lookup.c:567 #11 namei+0x7ca sys/kern/vfs_lookup.c:250 #12 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1887 #13 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806c8ab688) #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 vget+0x2a2 sys/kern/vfs_subr.c:686 #6 cache_lookup+0x351 sys/kern/vfs_cache.c:222 #7 ufs_lookup+0x1e3 sys/ufs/ufs/ufs_lookup.c:160 #8 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #9 vfs_lookup+0x98a sys/kern/vfs_lookup.c:567 #10 namei+0x7ca sys/kern/vfs_lookup.c:250 #11 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1887 #12 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #12 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #13 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff839c3a00) #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:783 #2 Xsyscall+0x128 Process 49967 (systqmp) thread 0xffff8000ffffe298 (464948) shared rwlock systqmp r = 0 (0xffffffff8389d1a8) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 taskq_thread+0x12a sys/kern/kern_task.c:442 #2 proc_trampoline+0x10 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11058 12085K 12218K 166960K 12437 0 pcb 17 13K 13K 166960K 43 0 rtable 223 7K 10K 166960K 381 0 pf 32 17K 22K 166960K 76 0 ifaddr 40 7K 8K 166960K 56 0 ifgroup 51 2K 2K 166960K 72 0 sysctl 3 1K 9K 166960K 11 0 counters 68 36K 38K 166960K 92 0 ioctlops 0 0K 4K 166960K 1578 0 iov 0 0K 8K 166960K 66 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1287 81K 82K 166960K 1448 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 4 0 VM map 2 1K 1K 166960K 2 0 sem 5 0K 0K 166960K 5 0 dirhash 12 2K 2K 166960K 15 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 9 29K 89K 166960K 248 0 proc 71 115K 147K 166960K 565 0 subproc 63 3K 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 16 0 in_multi 92 6K 7K 166960K 104 0 ether_multi 1 0K 0K 166960K 1 0 mrt 0 0K 0K 166960K 5 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 391 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 169 157K 186K 166960K 4174 0 UVM aobj 69 3K 3K 166960K 70 0 pinsyscall 34 68K 103K 166960K 1397 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 4 0 NDP 11 0K 2K 166960K 36 0 temp 33 9070K 9138K 166960K 7992 0 kqueue 13 20K 35K 166960K 58 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 26 0 0 1 0 1 1 0 8 0 rtpcb 120 39 0 36 1 0 1 1 0 8 0 rtentry 176 114 0 13 6 0 6 6 0 8 0 unpcb 144 86 0 69 1 0 1 1 0 8 0 syncache 336 4 0 4 1 0 1 1 0 8 1 tcpcb 736 36 0 32 1 0 1 1 0 8 0 arp 136 18 0 2 1 0 1 1 0 8 0 inpcb 328 188 0 181 4 0 4 4 0 8 3 nd6 152 25 0 3 1 0 1 1 0 8 0 kcovpl 48 8 0 1 1 0 1 1 0 8 0 ppxss 1192 10 0 10 1 0 1 1 0 8 1 pppxif 1576 1 0 1 1 0 1 1 0 8 1 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 1 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 pfrktable 1344 9 0 9 1 0 1 1 0 8 1 pfanchor 1288 1 0 1 1 0 1 1 0 8 1 pfstitem 24 26 0 0 1 0 1 1 0 8 0 pfstkey 128 26 0 0 1 0 1 1 0 8 0 pfstate 448 26 0 0 3 0 3 3 0 8 0 pfrule 1360 22 0 17 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 487 0 6 31 0 31 31 0 8 0 art_table 40 488 0 6 5 0 5 5 0 8 0 art_node 32 114 0 13 1 0 1 1 0 8 0 sysvmsgpl 40 3 0 2 1 0 1 1 0 8 0 semapl 112 3 0 0 1 0 1 1 0 8 0 shmpl 112 67 0 1 2 0 2 2 0 8 0 dirhash 1024 19 0 2 3 0 3 3 0 8 0 dino2pl 256 1795 0 333 93 0 93 93 0 8 0 ffsino 296 1798 0 336 114 0 114 114 0 8 0 nchpl 144 2139 0 441 64 0 64 64 0 8 0 rtmask 32 2 0 2 1 0 1 1 0 8 1 vnodes 216 1920 0 0 107 0 107 107 0 8 0 namei 1024 6710 0 6710 2 0 2 2 0 8 2 percpumem 16 61 0 12 1 0 1 1 0 8 0 pfiaddrpl 120 3 0 3 1 0 1 1 0 8 1 kstatmem 264 40 0 16 3 0 3 3 0 8 1 scsiplug 72 1 0 1 1 0 1 1 0 8 1 scxspl 216 13503 0 13503 4 2 2 3 1 8 2 plimitpl 152 42 0 25 1 0 1 1 0 8 0 sigapl 424 582 0 522 8 0 8 8 0 8 0 knotepl 120 555 0 0 17 0 17 17 0 8 0 kqueuepl 224 70 0 61 2 0 2 2 0 8 1 pipepl 344 144 0 117 3 0 3 3 0 8 0 fdescpl 528 546 0 523 3 0 3 3 0 8 1 filepl 160 2302 0 2112 11 0 11 11 0 8 2 lockfpl 104 40 0 38 1 0 1 1 0 8 0 lockfspl 48 21 0 19 1 0 1 1 0 8 0 sessionpl 144 24 0 15 1 0 1 1 0 8 0 pgrppl 48 34 0 17 1 0 1 1 0 8 0 ucredpl 104 189 0 176 1 0 1 1 0 8 0 zombiepl 144 529 0 522 1 0 1 1 0 8 0 processpl 1232 582 0 522 6 0 6 6 0 8 0 procpl 664 798 0 738 8 0 8 8 0 8 2 sockpl 752 318 0 291 8 0 8 8 0 8 5 mcl64k 65536 6 0 0 1 0 1 1 0 8 0 mcl16k 16384 3 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 1 0 0 1 0 1 1 0 8 0 mcl4k 4096 115 0 0 15 0 15 15 0 8 0 mcl2k 2048 27 0 0 4 0 4 4 0 8 0 mtagpl 96 4 0 0 1 0 1 1 0 8 0 mbufpl 256 149 0 0 10 0 10 10 0 8 0 bufpl 280 7886 0 1614 449 0 449 449 0 8 0 anonpl 32 8998 0 0 73 0 73 73 0 246 0 amapchunkpl 152 12116 0 11849 31 0 31 31 0 158 17 amappl16 200 2636 0 2618 19 3 16 16 0 8 11 amappl15 192 43 0 43 1 1 0 1 0 8 0 amappl14 184 493 0 492 1 0 1 1 0 8 0 amappl13 176 142 0 130 1 0 1 1 0 8 0 amappl12 168 795 0 773 2 0 2 2 0 8 0 amappl11 160 10 0 10 1 1 0 1 0 8 0 amappl10 152 69 0 55 1 0 1 1 0 8 0 amappl9 144 265 0 265 1 1 0 1 0 8 0 amappl8 136 115 0 112 1 0 1 1 0 8 0 amappl7 128 144 0 131 1 0 1 1 0 8 0 amappl6 120 161 0 160 1 0 1 1 0 8 0 amappl5 112 97 0 86 1 0 1 1 0 8 0 amappl4 104 293 0 273 1 0 1 1 0 8 0 amappl3 96 2204 0 2139 4 0 4 4 0 8 0 amappl2 88 530 0 468 2 0 2 2 0 8 0 amappl1 80 10207 0 9637 16 0 16 16 0 8 2 amappl 88 3429 0 3331 5 0 5 5 0 92 1 uvmvnodes 80 103 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 7 0 7 2 1 1 1 0 8 1 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 69 0 1 2 0 2 2 0 8 0 uaddrrnd 24 546 0 523 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 546 0 523 1 0 1 1 0 8 0 vmmpekpl 168 6498 0 6447 3 0 3 3 0 8 0 vmmpepl 168 44026 0 42542 99 0 99 99 0 357 12 vmsppl 488 545 0 523 5 0 5 5 0 8 2 rwobjpl 80 16133 0 15131 30 0 30 30 0 8 2 pdppl 4096 1099 0 1046 99 28 71 83 0 8 18 pvpl 32 16864 0 0 136 0 136 136 0 265 0 pmappl 256 545 0 523 3 0 3 3 0 8 1 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 274 0 31 8 0 8 8 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace ffs_indirtrunc(fffffd8074a8e518,fffffffffffffff4,97360,ffffffffffffffff,0,ffff80002a2e5fd8) at ffs_indirtrunc+0x699 sys/ufs/ffs/ffs_inode.c:495 ffs_truncate(fffffd8074a8e518,0,0,ffffffffffffffff) at ffs_truncate+0x103f sys/ufs/ffs/ffs_inode.c:297 ufs_inactive(ffff80002a2e6130) at ufs_inactive+0x202 sys/ufs/ufs/ufs_inode.c:84 VOP_INACTIVE(fffffd805e5a5870,ffff8000fffee7e0) at VOP_INACTIVE+0x104 sys/kern/vfs_vops.c:498 vput(fffffd805e5a5870) at vput+0xe5 sys/kern/vfs_subr.c:789 VOP_REMOVE(fffffd806b16b060,fffffd805e5a5870,ffff80002a2e6298) at VOP_REMOVE+0x199 sys/kern/vfs_vops.c:336 dounlinkat(ffff8000fffee7e0,ffffff9c,77d2bcb50440,0) at dounlinkat+0x1c4 sys/kern/vfs_syscalls.c:1923 syscall(ffff80002a2e6410) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a2e6410) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x77d2bcb508f0, count: -9 ddb{0}> machine ddbcpu 1