login: panic: sleep: syz-executor[55713] slept inside a no-sleep walk bracket (raw pointer held across sleep, wmesg "biowait") Stopped at db_enter+0x17: popq %rbp TID PID UID PRFLAGS PFLAGS CPU COMMAND 449398 55713 0 0 0 0 syz-executor *265395 55713 0 0 0x4000010 1K syz-executor db_enter() at db_enter+0x17 sys/arch/amd64/amd64/db_interface.c:457 panic(ffffffff84d8d160) at panic+0x270 sys/kern/subr_prf.c:198 sleep_setup(ffff800001bd9440,11,ffffffff84692f80) at sleep_setup+0x3b2 sys/kern/kern_synch.c:296 tsleep_nsec(ffff800001bd9440,11,ffffffff84692f80,ffffffffffffffff) at tsleep_nsec+0x29c sys/kern/kern_synch.c:153 biowait(ffff800001bd9440) at biowait+0xe6 sys/kern/vfs_bio.c:1110 bwrite(ffff800001bd9440) at bwrite+0x4e1 sys/kern/vfs_bio.c:625 ffs_update(ffff800001d24180,1) at ffs_update+0x619 sys/ufs/ffs/ffs_inode.c:111 ffs_truncate(ffff800001d24180,0,0,ffffffffffffffff) at ffs_truncate+0x12f0 sys/ufs/ffs/ffs_inode.c:-1 ufs_inactive(ffff80003731c040) at ufs_inactive+0x2cb sys/ufs/ufs/ufs_inode.c:84 VOP_INACTIVE(ffff800001d72708,ffff800045ffd770) at VOP_INACTIVE+0x1bb sys/kern/vfs_vops.c:498 vrele(ffff800001d72708) at vrele+0x16a sys/kern/vfs_subr.c:845 ktrsettrace(ffff8000298021b0,80000300,ffff800001db58c0,ffff8000001196e8) at ktrsettrace+0x16c sys/kern/kern_ktrace.c:123 ktrops(ffff800045ffd770,ffff8000298021b0,0,80000300,ffff800001db58c0,ffff8000001196e8) at ktrops+0x338 sys/kern/kern_ktrace.c:578 doktrace(ffff800001db58c0,4,300,0,ffff800045ffd770) at doktrace+0xa72 ktrsetchildren sys/kern/kern_ktrace.c:607 [inline] doktrace(ffff800001db58c0,4,300,0,ffff800045ffd770) at doktrace+0xa72 sys/kern/kern_ktrace.c:522 end trace frame: 0xffff80003731c530, 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{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic *cpu1: sleep: syz-executor[55713] slept inside a no-sleep walk bracket (raw pointer held across sleep, wmesg "biowait") ddb{1}> show kasan kasan: no report recorded this boot ddb{1}> trace db_enter() at db_enter+0x17 sys/arch/amd64/amd64/db_interface.c:457 panic(ffffffff84d8d160) at panic+0x270 sys/kern/subr_prf.c:198 sleep_setup(ffff800001bd9440,11,ffffffff84692f80) at sleep_setup+0x3b2 sys/kern/kern_synch.c:296 tsleep_nsec(ffff800001bd9440,11,ffffffff84692f80,ffffffffffffffff) at tsleep_nsec+0x29c sys/kern/kern_synch.c:153 biowait(ffff800001bd9440) at biowait+0xe6 sys/kern/vfs_bio.c:1110 bwrite(ffff800001bd9440) at bwrite+0x4e1 sys/kern/vfs_bio.c:625 ffs_update(ffff800001d24180,1) at ffs_update+0x619 sys/ufs/ffs/ffs_inode.c:111 ffs_truncate(ffff800001d24180,0,0,ffffffffffffffff) at ffs_truncate+0x12f0 sys/ufs/ffs/ffs_inode.c:-1 ufs_inactive(ffff80003731c040) at ufs_inactive+0x2cb sys/ufs/ufs/ufs_inode.c:84 VOP_INACTIVE(ffff800001d72708,ffff800045ffd770) at VOP_INACTIVE+0x1bb sys/kern/vfs_vops.c:498 vrele(ffff800001d72708) at vrele+0x16a sys/kern/vfs_subr.c:845 ktrsettrace(ffff8000298021b0,80000300,ffff800001db58c0,ffff8000001196e8) at ktrsettrace+0x16c sys/kern/kern_ktrace.c:123 ktrops(ffff800045ffd770,ffff8000298021b0,0,80000300,ffff800001db58c0,ffff8000001196e8) at ktrops+0x338 sys/kern/kern_ktrace.c:578 doktrace(ffff800001db58c0,4,300,0,ffff800045ffd770) at doktrace+0xa72 ktrsetchildren sys/kern/kern_ktrace.c:607 [inline] doktrace(ffff800001db58c0,4,300,0,ffff800045ffd770) at doktrace+0xa72 sys/kern/kern_ktrace.c:522 sys_ktrace(ffff800045ffd770,ffff80003731c6c0,ffff80003731c620) at sys_ktrace+0x1f6 sys/kern/kern_ktrace.c:563 syscall(ffff80003731c6c0) at syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003731c6c0) at syscall+0x1089 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x491740e0fd0, count: -17 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80003731b930 rbx 0xffff80003731b9a0 rdx 0 rcx 0xffff800028fe3ff0 rax 0xffff80000016d500 r8 0x101010101010101 r9 0x8080808080808080 r10 0xffff80003731b720 r11 0xffffffff83e54b70 x86_bus_space_io_read_1 r12 0xffffffff84d8d160 .str.9 r13 0xffff800028fe4c08 r14 0xffff800028fe4e07 r15 0x1 rip 0xffffffff82f1b577 db_enter+0x17 cs 0x8 rflags 0x246 rsp 0xffff80003731b930 ss 0x10 db_enter+0x17: popq %rbp ddb{1}> show proc PROC (syz-executor) tid=265395 pid=55713 tcnt=2 stat=onproc flags process=0 proc=4000010 runpri=32, usrpri=78, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff800045ffca78,0xffffffff85deb120 process=0xffff80003973f510 user=0xffff800037311000, vmspace=0xffff800000d873d0 estcpu=28, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S PRLAGS PFLAGS WAIT COMMAND 97203 172000 78986 0 2 0x1 0 syz-executor 97203 298364 78986 0 3 0x1 0x4000080 fsleep syz-executor 55713 449398 86563 0 7 0 0 syz-executor *55713 265395 86563 0 7 0 0x4000010 syz-executor 86742 260194 64056 0 4 0x2000 0x80000 syz-executor 86742 21710 64056 0 2 0x2000 0x4080000 syz-executor 86742 62123 64056 0 3 0x2000 0x4000000 suspend syz-executor 86742 327000 64056 0 4 0x2000 0x4080000 syz-executor 37387 498634 29675 0 2 0x10 0 syz-executor 37387 88351 29675 0 3 0x10 0x4000080 kqpoll syz-executor 37387 241502 29675 0 3 0x10 0x4000080 fsleep syz-executor 63461 181400 1 0 3 0x100003 0x80 ttyin getty 22328 356040 0 0 3 0x14000 0x280 nfsidl nfsio 31129 160022 0 0 3 0x14000 0x280 nfsidl nfsio 10708 297663 0 0 3 0x14000 0x280 nfsidl nfsio 41980 319015 0 0 3 0x14000 0x280 nfsidl nfsio 17118 246838 0 0 3 0x14000 0x280 nfsidl nfsio 88511 91700 0 0 3 0x14000 0x280 nfsidl nfsio 90550 206307 0 0 3 0x14000 0x280 nfsidl nfsio 92536 425137 0 0 3 0x14000 0x280 nfsidl nfsio 19294 410455 0 0 3 0x14000 0x280 nfsidl nfsio 81519 344910 0 0 3 0x14000 0x280 nfsidl nfsio 90924 416272 0 0 3 0x14000 0x280 nfsidl nfsio 20529 38830 0 0 3 0x14000 0x280 nfsidl nfsio 51778 495686 0 0 3 0x14000 0x280 nfsidl nfsio 92710 233712 0 0 3 0x14000 0x280 nfsidl nfsio 84169 419020 0 0 3 0x14000 0x280 nfsidl nfsio 41721 135252 0 0 3 0x14000 0x280 nfsidl nfsio 91175 111599 0 0 3 0x14000 0x280 nfsidl nfsio 13868 149314 0 0 3 0x14000 0x280 nfsidl nfsio 67641 484973 0 0 3 0x14000 0x280 nfsidl nfsio 35203 67281 0 0 3 0x14000 0x280 nfsidl nfsio 51340 150913 65861 0 3 0x2 0x80 piperd syz-executor 64056 138980 65861 0 3 0x2 0x80 nanoslp syz-executor 7159 279046 65861 0 3 0x2 0x80 piperd syz-executor 86867 54902 65861 0 3 0x2 0x80 piperd syz-executor 86563 353491 65861 0 3 0x2 0x80 nanoslp syz-executor 29675 518639 65861 0 3 0x2 0x80 nanoslp syz-executor 78986 420519 65861 0 3 0x2 0x80 nanoslp syz-executor 65861 179483 74094 0 3 0x2 0x80 nanoslp syz-executor 74094 245863 61697 0 3 0x100002 0x88 sigsusp ksh 61697 33599 30688 0 3 0x10 0x88 kqread sshd-session 30688 342270 84202 0 3 0x12 0x80 kqread sshd-session 84202 229115 1 0 3 0 0x88 kqread sshd 23847 140304 96328 74 3 0x1100012 0x80 bpf pflogd 96328 219574 1 0 3 0 0x80 sbwait pflogd 50881 517963 64910 73 3 0x1100010 0x80 kqread syslogd 64910 37862 1 0 3 0x100002 0x80 sbwait syslogd 91137 471660 1 0 3 0x100000 0x80 kqread resolvd 64104 389677 3014 77 3 0x100012 0x80 kqread dhcpleased 40306 156782 3014 77 3 0x100012 0x80 kqread dhcpleased 3014 72814 1 0 3 0 0x80 kqread dhcpleased 25555 279101 0 0 3 0x14000 0x200 bored smr 10319 466747 0 0 2 0x14000 0x200 zerothread 5584 162848 0 0 3 0x14000 0x200 aiodoned aiodoned 33532 125957 0 0 3 0x14000 0x200 syncer update 67225 40471 0 0 3 0x14000 0x200 cleaner cleaner 78210 290368 0 0 3 0x14000 0x200 reaper reaper 6260 230299 0 0 3 0x14000 0x200 pgdaemon pagedaemon 24882 75544 0 0 3 0x14000 0x200 bored viomb 4096 226742 0 0 3 0x14000 0x40000200 acpi0 acpi0 7893 431845 0 0 3 0x14000 0x40000200 idle1 12903 367554 0 0 3 0x14000 0x200 bored softnet1 87214 506021 0 0 3 0x14000 0x200 bored softnet0 24954 327638 0 0 3 0x14000 0x200 bored systqmp 51369 33198 0 0 3 0x14000 0x200 bored systq 99233 318248 0 0 3 0x14000 0x200 tmoslp softclockmp 42229 108548 0 0 3 0x14000 0x40000200 tmoslp softclock 1686 207843 0 0 3 0x14000 0x40000200 idle0 1 324172 0 0 3 0x2 0x80 wait init 0 0 -1 0 3 0x10000 0x200 scheduler swapper ddb{1}> show all locks Process 55713 (syz-executor) thread 0xffff800045ffd770 (265395) exclusive rrwlock inode r = 0 (0xffff800001d24220) #0 witness_lock+0x632 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x632 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x53e sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xf0 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0x17e sys/kern/vfs_vops.c:527 #4 vn_lock+0xca sys/kern/vfs_vnops.c:576 #5 vrele+0x113 sys/kern/vfs_subr.c:836 #6 ktrsettrace+0x16c sys/kern/kern_ktrace.c:123 #7 ktrops+0x338 sys/kern/kern_ktrace.c:578 #8 doktrace+0xa72 ktrsetchildren sys/kern/kern_ktrace.c:607 [inline] #8 doktrace+0xa72 sys/kern/kern_ktrace.c:522 #9 sys_ktrace+0x1f6 sys/kern/kern_ktrace.c:563 #10 syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0x1089 sys/arch/amd64/amd64/trap.c:783 #11 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff85d52380) #0 witness_lock+0x632 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x632 sys/kern/subr_witness.c:1160 #1 syscall+0x1048 mi_syscall sys/sys/syscall_mi.h:175 [inline] #1 syscall+0x1048 sys/arch/amd64/amd64/trap.c:783 #2 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11060 12321K 12464K 166960K 12245 0 pcb 18 26K 27K 166960K 62 0 rtable 217 11K 13K 166960K 353 0 pf 34 22K 24K 166960K 49 0 ifaddr 40 11K 12K 166960K 46 0 ifgroup 55 2K 2K 166960K 59 0 sysctl 2 1K 13K 166960K 7 0 counters 70 42K 43K 166960K 72 0 ioctlops 0 0K 4K 166960K 1507 0 iov 0 0K 16K 166960K 7 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1314 85K 85K 166960K 1656 0 UFS quota 1 36K 36K 166960K 1 0 UFS mount 5 44K 44K 166960K 5 0 shm 2 2K 6K 166960K 8 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 47 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1734 201K 292K 166960K 11964 0 file desc 13 45K 93K 166960K 285 0 sigio 0 0K 0K 166960K 1 0 proc 70 128K 209K 166960K 580 0 subproc 63 7K 10K 166960K 153 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 20K 20K 166960K 1 0 ip_moptions 0 0K 0K 166960K 6 0 in_multi 88 6K 7K 166960K 99 0 ether_multi 1 0K 0K 166960K 1 0 mrt 0 0K 0K 166960K 13 0 ISOFS mount 1 36K 36K 166960K 1 0 MSDOSFS mount 1 20K 20K 166960K 1 0 ttys 61 425K 425K 166960K 61 0 exec 0 0K 2K 166960K 397 0 fusefs mount 1 36K 36K 166960K 1 0 tdb 3 1K 1K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 202 242K 276K 166960K 4227 0 UVM aobj 10 4K 4K 166960K 10 0 pinsyscall 1062 1774K 1779K 166960K 1445 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 2 0 NDP 12 0K 2K 166960K 29 0 temp 30 9162K 9174K 166960K 7337 0 kqueue 15 48K 48K 166960K 47 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 28 0 0 1 0 1 1 0 8 0 rtpcb 120 34 0 31 1 0 1 1 0 8 0 rtentry 176 112 0 12 6 0 6 6 0 8 0 unpcb 144 135 0 110 1 0 1 1 0 8 0 syncache 336 4 0 4 1 1 0 1 0 8 0 tcpcb 736 15 0 11 1 0 1 1 0 8 0 arp 136 18 0 2 1 0 1 1 0 8 0 inpcb 328 174 0 163 4 0 4 4 0 8 3 nd6 152 25 0 3 1 0 1 1 0 8 0 kcovpl 48 17 0 10 1 0 1 1 0 8 0 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 pfstitem 24 31 0 1 1 0 1 1 0 8 0 pfstkey 128 31 0 1 1 0 1 1 0 8 0 pfstate 448 31 0 1 4 0 4 4 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 256 454 0 44 29 0 29 29 0 8 0 art_table 40 455 0 44 5 0 5 5 0 8 0 art_node 32 112 0 21 1 0 1 1 0 8 0 sysvmsgpl 40 2 0 2 2 1 1 1 0 8 1 semapl 72 43 0 33 1 0 1 1 0 8 0 shmpl 112 7 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1783 0 297 94 0 94 94 0 8 0 ffsino 296 1783 0 297 115 0 115 115 0 8 0 nchpl 144 2163 0 453 64 0 64 64 0 8 0 vnodes 216 2139 0 0 119 0 119 119 0 8 0 namei 1024 7228 0 7228 2 1 1 2 0 8 1 percpumem 16 52 0 1 1 0 1 1 0 8 0 kstatmem 264 29 0 2 2 0 2 2 0 8 0 scxspl 216 7932 0 7931 10 2 8 8 1 8 7 plimitpl 152 49 0 33 1 0 1 1 0 8 0 sigapl 424 605 0 542 9 0 9 9 0 8 0 knotepl 120 70 0 0 3 0 3 3 0 8 0 kqueuepl 224 121 0 110 5 0 5 5 0 8 4 pipepl 344 169 0 142 3 0 3 3 0 8 0 fdescpl 528 569 0 542 3 0 3 3 0 8 0 filepl 160 2845 0 2627 13 0 13 13 0 8 3 lockfpl 104 58 0 56 1 0 1 1 0 8 0 lockfspl 48 25 0 23 1 0 1 1 0 8 0 sessionpl 144 41 0 31 1 0 1 1 0 8 0 pgrppl 48 58 0 41 1 0 1 1 0 8 0 ucredpl 104 201 0 185 1 0 1 1 0 8 0 zombiepl 144 542 0 542 1 0 1 1 0 8 1 processpl 1232 605 0 542 6 0 6 6 0 8 0 procpl 664 825 0 755 7 0 7 7 0 8 0 sockpl 752 344 0 305 7 0 7 7 0 8 3 mcl64k 65536 3 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 6 0 0 1 0 1 1 0 8 0 mcl4k 4096 114 0 0 15 0 15 15 0 8 0 mcl2k 2048 17 0 0 3 0 3 3 0 8 0 mextrefs 64 17 0 0 1 0 1 1 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 154 0 0 10 0 10 10 0 8 0 bufpl 272 2580 0 107 165 0 165 165 0 8 0 anonpl 32 5382 0 0 44 0 44 44 0 222 0 amapchunkpl 152 12124 0 11742 24 0 24 24 0 158 5 amappl16 200 1730 0 1707 5 3 2 5 0 8 0 amappl15 192 13 0 13 3 3 0 1 0 8 0 amappl14 184 432 0 431 1 0 1 1 0 8 0 amappl13 176 145 0 133 1 0 1 1 0 8 0 amappl12 168 846 0 820 2 0 2 2 0 8 0 amappl11 160 78 0 77 1 0 1 1 0 8 0 amappl10 152 65 0 51 1 0 1 1 0 8 0 amappl9 144 278 0 277 1 0 1 1 0 8 0 amappl8 136 120 0 116 1 0 1 1 0 8 0 amappl7 128 146 0 132 1 0 1 1 0 8 0 amappl6 120 155 0 154 1 0 1 1 0 8 0 amappl5 112 103 0 92 1 0 1 1 0 8 0 amappl4 104 301 0 281 1 0 1 1 0 8 0 amappl3 96 2311 0 2219 4 0 4 4 0 8 0 amappl2 88 543 0 480 2 0 2 2 0 8 0 amappl1 80 11029 0 10435 18 4 14 16 0 8 1 amappl 88 3470 0 3338 4 0 4 4 0 92 0 uvmvnodes 80 102 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 9 0 0 1 0 1 1 0 8 0 uaddrrnd 24 569 0 542 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 569 0 542 1 0 1 1 0 8 0 vmmpekpl 168 6978 0 6939 3 0 3 3 0 8 0 vmmpepl 168 45308 0 43590 89 2 87 89 0 357 3 vmsppl 488 568 0 542 5 1 4 5 0 8 0 rwobjpl 80 15931 0 14935 25 0 25 25 0 8 0 pdppl 4096 1146 0 1084 96 26 70 86 0 8 8 pvpl 32 11043 0 0 91 1 90 90 0 265 0 pmappl 256 568 0 542 3 0 3 3 0 8 1 extentpl 40 46 0 28 1 0 1 1 0 8 0 phpool 120 435 0 31 13 0 13 13 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x19: leave x86_ipi_db(ffffffff851e9ff0) at x86_ipi_db+0x19 sys/arch/amd64/amd64/db_interface.c:412 x86_ipi_handler() at x86_ipi_handler+0x112 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 kasan_shadow_4byte_isvalid(ffffffff85d52378) at kasan_shadow_4byte_isvalid+0xba sys/kern/kasan_shadow.h:131 __asan_load4_noabort(ffffffff85d52378) at __asan_load4_noabort+0x53 kasan_shadow_check sys/kern/subr_kasan.c:-1 [inline] __asan_load4_noabort(ffffffff85d52378) at __asan_load4_noabort+0x53 sys/kern/subr_kasan.c:1098 __mp_lock(ffffffff85d51b80) at __mp_lock+0x27a __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff85d51b80) at __mp_lock+0x27a sys/kern/kern_lock.c:173 intr_handler(ffff8000312d43f0,ffff800000170180) at intr_handler+0x113 sys/arch/amd64/amd64/intr.c:560 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f end of kernel end trace frame: 0x769a4a0d68f0, count: 7 ddb{0}> trace x86_ipi_db(ffffffff851e9ff0) at x86_ipi_db+0x19 sys/arch/amd64/amd64/db_interface.c:412 x86_ipi_handler() at x86_ipi_handler+0x112 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 kasan_shadow_4byte_isvalid(ffffffff85d52378) at kasan_shadow_4byte_isvalid+0xba sys/kern/kasan_shadow.h:131 __asan_load4_noabort(ffffffff85d52378) at __asan_load4_noabort+0x53 kasan_shadow_check sys/kern/subr_kasan.c:-1 [inline] __asan_load4_noabort(ffffffff85d52378) at __asan_load4_noabort+0x53 sys/kern/subr_kasan.c:1098 __mp_lock(ffffffff85d51b80) at __mp_lock+0x27a __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff85d51b80) at __mp_lock+0x27a sys/kern/kern_lock.c:173 intr_handler(ffff8000312d43f0,ffff800000170180) at intr_handler+0x113 sys/arch/amd64/amd64/intr.c:560 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f end of kernel end trace frame: 0x769a4a0d68f0, count: -8 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x17: popq %rbp db_enter() at db_enter+0x17 sys/arch/amd64/amd64/db_interface.c:457 panic(ffffffff84d8d160) at panic+0x270 sys/kern/subr_prf.c:198 sleep_setup(ffff800001bd9440,11,ffffffff84692f80) at sleep_setup+0x3b2 sys/kern/kern_synch.c:296 tsleep_nsec(ffff800001bd9440,11,ffffffff84692f80,ffffffffffffffff) at tsleep_nsec+0x29c sys/kern/kern_synch.c:153 biowait(ffff800001bd9440) at biowait+0xe6 sys/kern/vfs_bio.c:1110 bwrite(ffff800001bd9440) at bwrite+0x4e1 sys/kern/vfs_bio.c:625 ffs_update(ffff800001d24180,1) at ffs_update+0x619 sys/ufs/ffs/ffs_inode.c:111 ffs_truncate(ffff800001d24180,0,0,ffffffffffffffff) at ffs_truncate+0x12f0 sys/ufs/ffs/ffs_inode.c:-1 ufs_inactive(ffff80003731c040) at ufs_inactive+0x2cb sys/ufs/ufs/ufs_inode.c:84 VOP_INACTIVE(ffff800001d72708,ffff800045ffd770) at VOP_INACTIVE+0x1bb sys/kern/vfs_vops.c:498 vrele(ffff800001d72708) at vrele+0x16a sys/kern/vfs_subr.c:845 ktrsettrace(ffff8000298021b0,80000300,ffff800001db58c0,ffff8000001196e8) at ktrsettrace+0x16c sys/kern/kern_ktrace.c:123 ktrops(ffff800045ffd770,ffff8000298021b0,0,80000300,ffff800001db58c0,ffff8000001196e8) at ktrops+0x338 sys/kern/kern_ktrace.c:578 doktrace(ffff800001db58c0,4,300,0,ffff800045ffd770) at doktrace+0xa72 ktrsetchildren sys/kern/kern_ktrace.c:607 [inline] doktrace(ffff800001db58c0,4,300,0,ffff800045ffd770) at doktrace+0xa72 sys/kern/kern_ktrace.c:522 end trace frame: 0xffff80003731c530, count: 0 ddb{1}> trace db_enter() at db_enter+0x17 sys/arch/amd64/amd64/db_interface.c:457 panic(ffffffff84d8d160) at panic+0x270 sys/kern/subr_prf.c:198 sleep_setup(ffff800001bd9440,11,ffffffff84692f80) at sleep_setup+0x3b2 sys/kern/kern_synch.c:296 tsleep_nsec(ffff800001bd9440,11,ffffffff84692f80,ffffffffffffffff) at tsleep_nsec+0x29c sys/kern/kern_synch.c:153 biowait(ffff800001bd9440) at biowait+0xe6 sys/kern/vfs_bio.c:1110 bwrite(ffff800001bd9440) at bwrite+0x4e1 sys/kern/vfs_bio.c:625 ffs_update(ffff800001d24180,1) at ffs_update+0x619 sys/ufs/ffs/ffs_inode.c:111 ffs_truncate(ffff800001d24180,0,0,ffffffffffffffff) at ffs_truncate+0x12f0 sys/ufs/ffs/ffs_inode.c:-1 ufs_inactive(ffff80003731c040) at ufs_inactive+0x2cb sys/ufs/ufs/ufs_inode.c:84 VOP_INACTIVE(ffff800001d72708,ffff800045ffd770) at VOP_INACTIVE+0x1bb sys/kern/vfs_vops.c:498 vrele(ffff800001d72708) at vrele+0x16a sys/kern/vfs_subr.c:845 ktrsettrace(ffff8000298021b0,80000300,ffff800001db58c0,ffff8000001196e8) at ktrsettrace+0x16c sys/kern/kern_ktrace.c:123 ktrops(ffff800045ffd770,ffff8000298021b0,0,80000300,ffff800001db58c0,ffff8000001196e8) at ktrops+0x338 sys/kern/kern_ktrace.c:578 doktrace(ffff800001db58c0,4,300,0,ffff800045ffd770) at doktrace+0xa72 ktrsetchildren sys/kern/kern_ktrace.c:607 [inline] doktrace(ffff800001db58c0,4,300,0,ffff800045ffd770) at doktrace+0xa72 sys/kern/kern_ktrace.c:522 sys_ktrace(ffff800045ffd770,ffff80003731c6c0,ffff80003731c620) at sys_ktrace+0x1f6 sys/kern/kern_ktrace.c:563 syscall(ffff80003731c6c0) at syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003731c6c0) at syscall+0x1089 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x491740e0fd0, count: -17