panic(ffffffff8226ff35) at panic+0x15c sys/kern/subr_prf.c:207 pool_do_get(ffffffff826668d0,2,ffff800023199018) at pool_do_get+0x439 sys/kern/subr_pool.c:738 pool_get(ffffffff826668d0,2) at pool_get+0xeb sys/kern/subr_pool.c:581 m_clget(0,2,800) at m_clget+0x1c9 m_gethdr sys/kern/uipc_mbuf.c:283 [inline] m_clget(0,2,800) at m_clget+0x1c9 sys/kern/uipc_mbuf.c:400 vio_populate_rx_mbufs(ffff80000017b000) at vio_populate_rx_mbufs+0xf9 vio_add_rx_mbuf sys/dev/pv/if_vio.c:908 [inline] vio_populate_rx_mbufs(ffff80000017b000) at vio_populate_rx_mbufs+0xf9 sys/dev/pv/if_vio.c:951 vio_rx_intr(ffff80000017b050) at vio_rx_intr+0x69 intr_handler(ffff800023199210,ffff800000255c00) at intr_handler+0x8f sys/arch/amd64/amd64/intr.c:529 Xintr_ioapic_edge19_untramp() at Xintr_ioapic_edge19_untramp+0x19f __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x15 inintr sys/dev/kcov.c:438 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x15 sys/dev/kcov.c:99 biowait(fffffd8068f177a8) at biowait+0xa6 sys/kern/vfs_bio.c:1256 bwrite(fffffd8068f177a8) at bwrite+0x1e4 sys/kern/vfs_bio.c:765 ufs_dirremove(fffffd8068eb74e8,fffffd80653c1ee8,800c,1) at ufs_dirremove+0x291 ufs_rmdir(ffff8000231994f8) at ufs_rmdir+0x247 sys/ufs/ufs/ufs_vnops.c:1328 end trace frame: 0xffff800023199560, 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 pool_do_get: mbufpl free list modified: page 0xfffffd8064f04000; item addr 0xfffffd8064f04f00; offset 0x0=0x0 != 0x21d4d2fa273a6e0d ddb{0}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff8226ff35) at panic+0x15c sys/kern/subr_prf.c:207 pool_do_get(ffffffff826668d0,2,ffff800023199018) at pool_do_get+0x439 sys/kern/subr_pool.c:738 pool_get(ffffffff826668d0,2) at pool_get+0xeb sys/kern/subr_pool.c:581 m_clget(0,2,800) at m_clget+0x1c9 m_gethdr sys/kern/uipc_mbuf.c:283 [inline] m_clget(0,2,800) at m_clget+0x1c9 sys/kern/uipc_mbuf.c:400 vio_populate_rx_mbufs(ffff80000017b000) at vio_populate_rx_mbufs+0xf9 vio_add_rx_mbuf sys/dev/pv/if_vio.c:908 [inline] vio_populate_rx_mbufs(ffff80000017b000) at vio_populate_rx_mbufs+0xf9 sys/dev/pv/if_vio.c:951 vio_rx_intr(ffff80000017b050) at vio_rx_intr+0x69 intr_handler(ffff800023199210,ffff800000255c00) at intr_handler+0x8f sys/arch/amd64/amd64/intr.c:529 Xintr_ioapic_edge19_untramp() at Xintr_ioapic_edge19_untramp+0x19f __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x15 inintr sys/dev/kcov.c:438 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x15 sys/dev/kcov.c:99 biowait(fffffd8068f177a8) at biowait+0xa6 sys/kern/vfs_bio.c:1256 bwrite(fffffd8068f177a8) at bwrite+0x1e4 sys/kern/vfs_bio.c:765 ufs_dirremove(fffffd8068eb74e8,fffffd80653c1ee8,800c,1) at ufs_dirremove+0x291 ufs_rmdir(ffff8000231994f8) at ufs_rmdir+0x247 sys/ufs/ufs/ufs_vnops.c:1328 VOP_RMDIR(fffffd8068eb74e8,fffffd80652025b8,ffff8000231995f8) at VOP_RMDIR+0xf8 sys/kern/vfs_vops.c:474 dounlinkat(ffff800020ec7608,ffffff9c,7f7fffff3f90,8) at dounlinkat+0x14c sys/kern/vfs_syscalls.c:1886 syscall(ffff800023199770) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800023199770) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7fffff3f80, count: -18 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff800023198e60 rbx 0xffff800023198f10 rdx 0xffffffff82525ff0 cpu_info_full_primary+0x1ff0 rcx 0xffffffff82525ff0 cpu_info_full_primary+0x1ff0 rax 0xffffffff82525ff0 cpu_info_full_primary+0x1ff0 r8 0xffffffff81f58bef kprintf+0x16f r9 0x1 r10 0x25 r11 0x5d3b42967906c8ce r12 0x3000000008 r13 0xffff800023198e70 r14 0x104 r15 0x1 rip 0xffffffff817f1e68 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff800023198e50 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor.1) pid=501516 stat=onproc flags process=2 proc=0 pri=81, usrpri=81, nice=20 forw=0xffffffffffffffff, list=0xffff800020e6d118,0xffff800020ec6298 process=0xffff800020ec9b00 user=0xffff800023194000, vmspace=0xfffffd807f0008a0 estcpu=36, cpticks=2, pctcpu=0.12 user=0, sys=0, intr=2 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 40603 164593 0 0 3 0x14200 bored sosplice *52110 501516 88447 0 7 0x2 syz-executor.1 89793 34772 88447 0 3 0x82 piperd syz-executor.0 88447 299860 84159 0 3 0x82 thrsleep syz-fuzzer 88447 158314 84159 0 3 0x4000082 nanosleep syz-fuzzer 88447 236468 84159 0 3 0x4000082 thrsleep syz-fuzzer 88447 80346 84159 0 3 0x4000082 kqread syz-fuzzer 88447 172249 84159 0 3 0x4000082 thrsleep syz-fuzzer 88447 15318 84159 0 3 0x4000082 thrsleep syz-fuzzer 88447 444684 84159 0 3 0x4000082 thrsleep syz-fuzzer 88447 200044 84159 0 3 0x4000082 thrsleep syz-fuzzer 88447 100939 84159 0 2 0x4000002 syz-fuzzer 88447 150041 84159 0 3 0x4000082 thrsleep syz-fuzzer 84159 234787 16182 0 3 0x10008a pause ksh 16182 430108 25882 0 7 0x12 sshd 83716 500038 1 0 3 0x100083 ttyin getty 25882 398687 1 0 3 0x80 select sshd 68477 328577 59670 74 3 0x100092 bpf pflogd 59670 207240 1 0 3 0x80 netio pflogd 73980 290962 60118 73 3 0x100090 kqread syslogd 60118 391444 1 0 3 0x100082 netio syslogd 71681 419427 1 77 3 0x100090 poll dhclient 48563 310110 1 0 3 0x80 poll dhclient 84206 367115 0 0 3 0x14200 bored smr 25685 444456 0 0 2 0x14200 zerothread 92400 356787 0 0 3 0x14200 aiodoned aiodoned 92287 436199 0 0 3 0x14200 syncer update 65303 465208 0 0 3 0x14200 cleaner cleaner 31214 446540 0 0 3 0x14200 reaper reaper 91882 420568 0 0 3 0x14200 pgdaemon pagedaemon 38381 276363 0 0 3 0x14200 bored crynlk 68126 264460 0 0 3 0x14200 bored crypto 151 9473 0 0 3 0x40014200 acpi0 acpi0 38884 255113 0 0 3 0x40014200 idle1 3498 248569 0 0 2 0x14200 softnet 77797 233797 0 0 3 0x14200 bored systqmp 11940 504363 0 0 3 0x14200 bored systq 98106 511694 0 0 3 0x40014200 bored softclock 10403 311774 0 0 3 0x40014200 idle0 1 284756 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks CPU 1: exclusive mutex mbufpl r = 0 (0xffffffff826668e0) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 mtx_enter_try+0x102 #2 mtx_enter+0x4b sys/kern/kern_lock.c:266 #3 pool_get+0xbf sys/kern/subr_pool.c:578 #4 m_copym+0x174 m_get sys/kern/uipc_mbuf.c:250 [inline] #4 m_copym+0x174 sys/kern/uipc_mbuf.c:667 #5 tcp_output+0x15ba sys/netinet/tcp_output.c:673 #6 tcp_usrreq+0xa55 #7 sosend+0x671 sys/kern/uipc_socket.c:549 #8 dofilewritev+0x1b6 sys/kern/sys_generic.c:365 #9 sys_write+0x83 sys/kern/sys_generic.c:285 #10 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #10 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #11 Xsyscall+0x128 Process 52110 (syz-executor.1) thread 0xffff800020ec7608 (501516) exclusive rrwlock inode r = 0 (0xfffffd80653c1f80) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 rw_enter+0x453 sys/kern/kern_rwlock.c:311 #2 rrw_enter+0x88 sys/kern/kern_rwlock.c:462 #3 VOP_LOCK+0x4b sys/kern/vfs_vops.c:603 #4 vn_lock+0x81 sys/kern/vfs_vnops.c:575 #5 vget+0x1c8 sys/kern/vfs_subr.c:671 #6 ufs_ihashget+0x141 sys/ufs/ufs/ufs_ihash.c:119 #7 ffs_vget+0x74 sys/ufs/ffs/ffs_vfsops.c:1329 #8 ufs_lookup+0x14b7 sys/ufs/ufs/ufs_lookup.c:487 #9 VOP_LOOKUP+0x5b sys/kern/vfs_vops.c:90 #10 vfs_lookup+0x7a6 sys/kern/vfs_lookup.c:568 #11 namei+0x63c sys/kern/vfs_lookup.c:249 #12 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1853 #13 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #13 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806b3321a8) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 rw_enter+0x453 sys/kern/kern_rwlock.c:311 #2 rrw_enter+0x88 sys/kern/kern_rwlock.c:462 #3 VOP_LOCK+0x4b sys/kern/vfs_vops.c:603 #4 vn_lock+0x81 sys/kern/vfs_vnops.c:575 #5 vfs_lookup+0xe6 sys/kern/vfs_lookup.c:419 #6 namei+0x63c sys/kern/vfs_lookup.c:249 #7 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1853 #8 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #8 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #9 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 1 (0xffffffff82642ca8) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 syscall+0x400 mi_syscall sys/sys/syscall_mi.h:93 [inline] #1 syscall+0x400 sys/arch/amd64/amd64/trap.c:570 #2 Xsyscall+0x128 Process 16182 (sshd) thread 0xffff800020ed1d50 (430108) exclusive rwlock netlock r = 0 (0xffffffff824a6738) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 solock+0x5a sys/kern/uipc_socket2.c:282 #2 sosend+0x559 sys/kern/uipc_socket.c:537 #3 dofilewritev+0x1b6 sys/kern/sys_generic.c:365 #4 sys_write+0x83 sys/kern/sys_generic.c:285 #5 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #5 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #6 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9512 6421K 6680K 78643K 10961 0 pcb 13 8K 8K 78643K 79 0 rtable 113 3K 3K 78643K 277 0 ifaddr 77 16K 16K 78643K 118 0 counters 43 33K 34K 78643K 55 0 ioctlops 0 0K 4K 78643K 1487 0 iov 0 0K 16K 78643K 63 0 mount 1 1K 1K 78643K 1 0 vnodes 1218 77K 77K 78643K 1341 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 3 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 22 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1823 197K 290K 78643K 12980 0 file desc 4 9K 25K 78643K 281 0 sigio 0 0K 0K 78643K 8 0 proc 62 63K 95K 78643K 464 0 subproc 32 2K 2K 78643K 34 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 1K 78643K 345 0 in_multi 68 3K 3K 78643K 149 0 ether_multi 1 0K 0K 78643K 12 0 mrt 0 0K 0K 78643K 2 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 49 228K 228K 78643K 49 0 exec 0 0K 1K 78643K 229 0 pagedep 1 8K 8K 78643K 1 0 inodedep 1 32K 32K 78643K 1 0 newblk 1 0K 0K 78643K 1 0 VM swap 7 26K 26K 78643K 7 0 UVM amap 136 56K 56K 78643K 1801 0 UVM aobj 8 2K 2K 78643K 8 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 80 0 NDP 11 0K 0K 78643K 21 0 temp 96 3042K 3106K 78643K 6738 0 kqueue 3 4K 9K 78643K 19 0 SYN cache 2 16K 16K 78643K 2 0 ddb{0}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 7 0 0 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 34 0 32 1 0 1 1 0 8 0 rtentry 112 53 0 5 2 0 2 2 0 8 0 unpcb 120 245 0 235 1 0 1 1 0 8 0 syncache 264 6 0 6 2 2 0 1 0 8 0 tcpqe 32 79 0 79 1 1 0 1 0 8 0 tcpcb 544 260 0 255 2 1 1 2 0 8 0 inpcb 280 735 0 727 2 0 2 2 0 8 1 rttmr 72 1 0 1 1 1 0 1 0 8 0 nd6 48 7 0 1 1 0 1 1 0 8 0 pkpcb 40 2 0 2 1 1 0 1 0 8 0 pffrag 232 3 0 2 2 1 1 1 0 482 0 pffrnode 88 3 0 2 2 1 1 1 0 8 0 pffrent 40 12 0 11 2 1 1 1 0 8 0 pfosfp 40 846 0 423 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfstitem 24 41 0 11 1 0 1 1 0 8 0 pfstkey 112 41 0 11 1 0 1 1 0 8 0 pfstate 328 41 0 11 3 0 3 3 0 8 0 pfrule 1360 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 218 0 12 14 0 14 14 0 8 0 art_table 32 220 0 12 2 0 2 2 0 8 0 art_node 16 52 0 8 1 0 1 1 0 8 0 sysvmsgpl 40 10 0 3 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 18 0 8 1 0 1 1 0 8 0 shmpl 112 6 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1803 0 396 89 0 89 89 0 8 0 ffsino 272 1803 0 396 95 0 95 95 0 8 0 nchpl 144 2402 0 794 60 0 60 60 0 8 0 uvmvnodes 72 1926 0 0 36 0 36 36 0 8 0 vnodes 208 1926 0 0 102 0 102 102 0 8 0 namei 1024 6396 0 6396 1 0 1 1 0 8 1 percpumem 16 38 0 6 1 0 1 1 0 8 0 vcpupl 1984 4 0 0 1 0 1 1 0 8 0 vmpool 560 7 0 3 1 0 1 1 0 8 0 scxspl 192 6900 0 6899 7 6 1 6 0 8 0 plimitpl 152 33 0 25 1 0 1 1 0 8 0 sigapl 424 497 0 466 4 0 4 4 0 8 0 futexpl 56 4930 0 4930 1 0 1 1 0 8 1 knotepl 112 79 0 60 1 0 1 1 0 8 0 kqueuepl 144 36 0 34 1 0 1 1 0 8 0 pipelkpl 48 100 0 90 1 0 1 1 0 8 0 pipepl 120 200 0 181 1 0 1 1 0 8 0 fdescpl 496 481 0 466 3 0 3 3 0 8 0 filepl 152 2975 0 2875 5 0 5 5 0 8 1 lockfpl 104 63 0 62 1 0 1 1 0 8 0 lockfspl 48 26 0 25 1 0 1 1 0 8 0 sessionpl 112 18 0 7 1 0 1 1 0 8 0 pgrppl 48 22 0 11 1 0 1 1 0 8 0 ucredpl 96 235 0 226 1 0 1 1 0 8 0 zombiepl 144 466 0 466 1 0 1 1 0 8 1 processpl 984 497 0 466 5 0 5 5 0 8 0 procpl 624 1013 0 973 4 0 4 4 0 8 0 sosppl 128 2 0 2 1 1 0 1 0 8 0 sockpl 400 1017 0 997 5 1 4 4 0 8 1 mcl64k 65536 8 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl12k 12288 2 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 5 0 0 1 0 1 1 0 8 0 mcl2k 2048 166 0 0 20 0 20 20 0 8 0 mtagpl 80 13 0 0 1 0 1 1 0 8 0 mbufpl 256 239 0 0 14 0 14 14 0 8 0 mbufpl: pool(0xffffffff826668d0:mbufpl): free list modified: page 0xfffffd8064f04000; item ordinal 0; addr 0xfffffd8064f04f00 (p 0xfffffd8068ee3000); offset 0x0=0x0 pool(mbufpl): free list modified: page 0xfffffd8064f04000; item ordinal 0; addr 0xfffffd8064f04f00 (p 0xfffffd8068ee3000); offset 0x0=0x0 mbufpl: pool(0xffffffff826668d0:mbufpl): page inconsistency: page 0xfffffd8064f04000; item ordinal 1; addr 0x2c50af73cbbfa988 bufpl 280 4097 0 134 284 0 284 284 0 8 0 anonpl 16 60097 0 46758 79 2 77 77 0 124 17 amapchunkpl 152 2473 0 2326 8 0 8 8 0 158 0 amappl16 192 2500 0 1695 53 4 49 53 0 8 8 amappl15 184 1 0 0 1 0 1 1 0 8 0 amappl14 176 23 0 19 1 0 1 1 0 8 0 amappl13 168 33 0 31 1 0 1 1 0 8 0 amappl12 160 12 0 7 2 1 1 1 0 8 0 amappl11 152 52 0 37 1 0 1 1 0 8 0 amappl10 144 77 0 71 1 0 1 1 0 8 0 amappl9 136 389 0 387 1 0 1 1 0 8 0 amappl8 128 368 0 330 2 0 2 2 0 8 0 amappl7 120 181 0 167 1 0 1 1 0 8 0 amappl6 112 27 0 23 2 1 1 1 0 8 0 amappl5 104 380 0 363 1 0 1 1 0 8 0 amappl4 96 493 0 462 1 0 1 1 0 8 0 amappl3 88 110 0 105 1 0 1 1 0 8 0 amappl2 80 2866 0 2805 2 0 2 2 0 8 0 amappl1 72 20375 0 19946 23 13 10 18 0 8 0 amappl 80 1266 0 1221 2 0 2 2 0 84 0 dma4096 4096 1 0 1 1 1 0 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 64 7 0 0 1 0 1 1 0 8 0 uaddrrnd 24 488 0 469 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 488 0 469 1 0 1 1 0 8 0 vmmpekpl 168 7444 0 7412 2 0 2 2 0 8 0 vmmpepl 168 64620 0 62743 123 25 98 105 0 357 11 vmsppl 368 487 0 469 2 0 2 2 0 8 0 pdppl 4096 984 0 942 6 0 6 6 0 8 0 pvpl 32 193979 0 177567 189 2 187 187 0 265 41 pmappl 232 487 0 469 2 0 2 2 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 265 0 5 8 0 8 8 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff8226ff35) at panic+0x15c sys/kern/subr_prf.c:207 pool_do_get(ffffffff826668d0,2,ffff800023199018) at pool_do_get+0x439 sys/kern/subr_pool.c:738 pool_get(ffffffff826668d0,2) at pool_get+0xeb sys/kern/subr_pool.c:581 m_clget(0,2,800) at m_clget+0x1c9 m_gethdr sys/kern/uipc_mbuf.c:283 [inline] m_clget(0,2,800) at m_clget+0x1c9 sys/kern/uipc_mbuf.c:400 vio_populate_rx_mbufs(ffff80000017b000) at vio_populate_rx_mbufs+0xf9 vio_add_rx_mbuf sys/dev/pv/if_vio.c:908 [inline] vio_populate_rx_mbufs(ffff80000017b000) at vio_populate_rx_mbufs+0xf9 sys/dev/pv/if_vio.c:951 vio_rx_intr(ffff80000017b050) at vio_rx_intr+0x69 intr_handler(ffff800023199210,ffff800000255c00) at intr_handler+0x8f sys/arch/amd64/amd64/intr.c:529 Xintr_ioapic_edge19_untramp() at Xintr_ioapic_edge19_untramp+0x19f __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x15 inintr sys/dev/kcov.c:438 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x15 sys/dev/kcov.c:99 biowait(fffffd8068f177a8) at biowait+0xa6 sys/kern/vfs_bio.c:1256 bwrite(fffffd8068f177a8) at bwrite+0x1e4 sys/kern/vfs_bio.c:765 ufs_dirremove(fffffd8068eb74e8,fffffd80653c1ee8,800c,1) at ufs_dirremove+0x291 ufs_rmdir(ffff8000231994f8) at ufs_rmdir+0x247 sys/ufs/ufs/ufs_vnops.c:1328 VOP_RMDIR(fffffd8068eb74e8,fffffd80652025b8,ffff8000231995f8) at VOP_RMDIR+0xf8 sys/kern/vfs_vops.c:474 dounlinkat(ffff800020ec7608,ffffff9c,7f7fffff3f90,8) at dounlinkat+0x14c sys/kern/vfs_syscalls.c:1886 syscall(ffff800023199770) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800023199770) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7fffff3f80, count: -18 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp x86_ipi_db(ffff800020e00ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:352 x86_ipi_handler() at x86_ipi_handler+0xc6 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 x86_bus_space_io_write_1(3f8,0,d) at x86_bus_space_io_write_1+0x45 sys/arch/amd64/amd64/bus_space.c:759 comcnputc(800,d) at comcnputc+0x131 bus_space_barrier machine/bus.h:481 [inline] comcnputc(800,d) at comcnputc+0x131 sys/dev/ic/com.c:1254 kputchar(a,5,0) at kputchar+0x219 sys/kern/subr_prf.c:343 kprintf() at kprintf+0x15c sys/kern/subr_prf.c:700 printf(ffffffff8225255a) at printf+0x74 sys/kern/subr_prf.c:506 panic(ffffffff8226ff35) at panic+0x129 sys/kern/subr_prf.c:202 pool_do_get(ffffffff826668d0,2,ffff800020e8cb28) at pool_do_get+0x439 sys/kern/subr_pool.c:738 pool_get(ffffffff826668d0,2) at pool_get+0xeb sys/kern/subr_pool.c:581 m_copym(fffffd806f326700,3524,580,2) at m_copym+0x174 m_get sys/kern/uipc_mbuf.c:250 [inline] m_copym(fffffd806f326700,3524,580,2) at m_copym+0x174 sys/kern/uipc_mbuf.c:667 tcp_output(ffff800000a0c760) at tcp_output+0x15ba sys/netinet/tcp_output.c:673 tcp_usrreq(fffffd806eb42648,9,fffffd8069df1e00,0,0,ffff800020ed1d50) at tcp_usrreq+0xa55 end trace frame: 0xffff800020e8cf40, count: 0 ddb{1}> trace x86_ipi_db(ffff800020e00ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:352 x86_ipi_handler() at x86_ipi_handler+0xc6 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 x86_bus_space_io_write_1(3f8,0,d) at x86_bus_space_io_write_1+0x45 sys/arch/amd64/amd64/bus_space.c:759 comcnputc(800,d) at comcnputc+0x131 bus_space_barrier machine/bus.h:481 [inline] comcnputc(800,d) at comcnputc+0x131 sys/dev/ic/com.c:1254 kputchar(a,5,0) at kputchar+0x219 sys/kern/subr_prf.c:343 kprintf() at kprintf+0x15c sys/kern/subr_prf.c:700 printf(ffffffff8225255a) at printf+0x74 sys/kern/subr_prf.c:506 panic(ffffffff8226ff35) at panic+0x129 sys/kern/subr_prf.c:202 pool_do_get(ffffffff826668d0,2,ffff800020e8cb28) at pool_do_get+0x439 sys/kern/subr_pool.c:738 pool_get(ffffffff826668d0,2) at pool_get+0xeb sys/kern/subr_pool.c:581 m_copym(fffffd806f326700,3524,580,2) at m_copym+0x174 m_get sys/kern/uipc_mbuf.c:250 [inline] m_copym(fffffd806f326700,3524,580,2) at m_copym+0x174 sys/kern/uipc_mbuf.c:667 tcp_output(ffff800000a0c760) at tcp_output+0x15ba sys/netinet/tcp_output.c:673 tcp_usrreq(fffffd806eb42648,9,fffffd8069df1e00,0,0,ffff800020ed1d50) at tcp_usrreq+0xa55 sosend(fffffd806eb42648,0,ffff800020e8d008,0,0,80) at sosend+0x671 sys/kern/uipc_socket.c:549 dofilewritev(ffff800020ed1d50,4,ffff800020e8d008,0,ffff800020e8d0f0) at dofilewritev+0x1b6 sys/kern/sys_generic.c:365 sys_write(ffff800020ed1d50,ffff800020e8d0a0,ffff800020e8d0f0) at sys_write+0x83 sys/kern/sys_generic.c:285 syscall(ffff800020e8d170) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800020e8d170) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffbad60, count: -19