load: 1.90 cmd: load: 1.90 cmd: uvm_fault(0xfffffd807efff2e0, 0xa, 0, 1) -> e kernel: page fault trap, code=0 Stopped at vio_rxeof+0x191: movzwl 0xa(%r15),%eax ddb{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic kernel page fault uvm_fault(0xfffffd807efff2e0, 0xa, 0, 1) -> e vio_rxeof(ffff80000017c000) at vio_rxeof+0x191 sys/dev/pv/if_vio.c:1018 end trace frame: 0xffff800020ec76c0, count: 0 ddb{0}> trace vio_rxeof(ffff80000017c000) at vio_rxeof+0x191 sys/dev/pv/if_vio.c:1018 vio_rx_intr(ffff80000017c050) at vio_rx_intr+0x4d sys/dev/pv/if_vio.c:1056 intr_handler(ffff800020ec7720,ffff800000256b80) at intr_handler+0x8f sys/arch/amd64/amd64/intr.c:536 Xintr_ioapic_edge19_untramp() at Xintr_ioapic_edge19_untramp+0x19f end of kernel end trace frame: 0x470f63ea1b0, count: -4 ddb{0}> show registers rdi 0xc rsi 0xc rbp 0xffff800020ec7660 rbx 0xffff80000017c000 rdx 0 rcx 0xffffffff82742ff0 cpu_info_full_primary+0x1ff0 rax 0xffffffff82742ff0 cpu_info_full_primary+0x1ff0 r8 0x2 r9 0 r10 0xedbe1f6b95bb7cd5 r11 0x89622810109b04ee r12 0xffff800000024c00 r13 0xc r14 0xfffffd806a25ce00 r15 0 rip 0xffffffff815cb8e1 vio_rxeof+0x191 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800020ec75d0 ss 0 vio_rxeof+0x191: movzwl 0xa(%r15),%eax ddb{0}> show proc PROC (syz-executor.0) pid=272575 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff800020ea3ed0,0xffffffff8292fce0 process=0xffff800020e28fb8 user=0xffff800020ec2000, vmspace=0xfffffd807efff2e0 estcpu=36, cpticks=2, pctcpu=0.0 user=0, sys=0, intr=1 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 21670 139924 3550 0 2 0 syz-executor.0 21670 7920 3550 0 7 0x4000000 syz-executor.0 *21670 272575 3550 0 7 0x4000000 syz-executor.0 3550 219640 43522 0 3 0x82 nanosleep syz-executor.0 88489 6412 0 0 3 0x14280 nfsidl nfsio 87630 210062 0 0 3 0x14280 nfsidl nfsio 55178 367913 0 0 3 0x14280 nfsidl nfsio 78982 491322 0 0 3 0x14280 nfsidl nfsio 41952 120823 0 0 3 0x14280 nfsidl nfsio 58201 348876 0 0 3 0x14280 nfsidl nfsio 78480 270442 0 0 3 0x14280 nfsidl nfsio 3586 489645 0 0 3 0x14280 nfsidl nfsio 73845 355745 0 0 3 0x14280 nfsidl nfsio 37369 298104 0 0 3 0x14280 nfsidl nfsio 33359 170999 0 0 3 0x14280 nfsidl nfsio 9630 488681 0 0 3 0x14280 nfsidl nfsio 52437 135109 0 0 3 0x14280 nfsidl nfsio 29804 17937 0 0 3 0x14280 nfsidl nfsio 94860 458684 0 0 3 0x14280 nfsidl nfsio 59165 164607 0 0 3 0x14280 nfsidl nfsio 4924 15949 0 0 3 0x14280 nfsidl nfsio 3340 136862 0 0 3 0x14280 nfsidl nfsio 40076 297880 0 0 3 0x14280 nfsidl nfsio 8784 408215 0 0 3 0x14280 nfsidl nfsio 51146 135552 0 0 3 0x14200 bored sosplice 16215 27792 0 0 3 0x14200 acct acct 36899 293216 43522 0 3 0x2 biowait syz-executor.1 43522 341037 78271 0 3 0x82 thrsleep syz-fuzzer 43522 313057 78271 0 3 0x4000082 nanosleep syz-fuzzer 43522 141317 78271 0 3 0x4000082 thrsleep syz-fuzzer 43522 509052 78271 0 3 0x4000082 thrsleep syz-fuzzer 43522 335675 78271 0 3 0x4000082 thrsleep syz-fuzzer 43522 320588 78271 0 3 0x4000082 thrsleep syz-fuzzer 43522 410239 78271 0 3 0x4000082 thrsleep syz-fuzzer 43522 154276 78271 0 3 0x4000082 thrsleep syz-fuzzer 43522 441984 78271 0 3 0x4000082 thrsleep syz-fuzzer 43522 198397 78271 0 3 0x4000082 kqread syz-fuzzer 78271 340240 91260 0 3 0x10008a pause ksh 91260 138235 28839 0 3 0x92 select sshd 90743 70063 1 0 3 0x100083 ttyin getty 28839 212169 1 0 3 0x80 select sshd 1202 499863 58754 74 3 0x100092 bpf pflogd 58754 33585 1 0 3 0x80 netio pflogd 24281 99437 37672 73 3 0x100090 kqread syslogd 37672 157167 1 0 3 0x100082 netio syslogd 20652 273682 1 77 3 0x100090 poll dhclient 32680 403727 1 0 3 0x80 poll dhclient 43005 175437 0 0 3 0x14200 bored smr 61886 98361 0 0 3 0x14200 pgzero zerothread 83811 290584 0 0 3 0x14200 aiodoned aiodoned 86988 446187 0 0 3 0x14200 syncer update 83275 162667 0 0 3 0x14200 cleaner cleaner 60238 100291 0 0 3 0x14200 reaper reaper 99368 359641 0 0 3 0x14200 pgdaemon pagedaemon 30722 292036 0 0 3 0x14200 bored crynlk 43194 496444 0 0 3 0x14200 bored crypto 21915 307712 0 0 3 0x40014200 acpi0 acpi0 5749 295741 0 0 3 0x40014200 idle1 51125 222653 0 0 3 0x14200 bored softnet 59587 478745 0 0 3 0x14200 bored systqmp 19182 317433 0 0 3 0x14200 bored systq 98851 334738 0 0 3 0x40014200 bored softclock 86057 169083 0 0 3 0x40014200 idle0 1 152585 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 21670 (syz-executor.0) thread 0xffff800020ea4890 (272575) exclusive kernel_lock &kernel_lock r = 1 (0xffffffff828e6a68) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 intr_handler+0x5e sys/arch/amd64/amd64/intr.c:532 #2 Xintr_ioapic_edge19_untramp+0x19f Process 36899 (syz-executor.1) thread 0xffff800020e0ad58 (293216) exclusive rrwlock inode r = 0 (0xfffffd80686fad60) #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 (0xfffffd80686fa2c0) #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 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9505 6411K 6873K 78643K 11275 0 pcb 13 8K 8K 78643K 425 0 rtable 122 8K 10K 78643K 408 0 ifaddr 73 15K 15K 78643K 150 0 sysctl 2 0K 0K 78643K 2 0 counters 43 33K 34K 78643K 63 0 ioctlops 0 0K 4K 78643K 1550 0 iov 0 0K 16K 78643K 47 0 mount 1 1K 1K 78643K 1 0 vnodes 1219 77K 77K 78643K 1429 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 8 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 119 0 dirhash 9 1K 2K 78643K 12 0 ACPI 1824 197K 290K 78643K 13058 0 file desc 5 13K 25K 78643K 498 0 sigio 0 0K 0K 78643K 1 0 proc 61 63K 95K 78643K 522 0 subproc 32 2K 2K 78643K 51 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 38 0 in_multi 42 2K 2K 78643K 110 0 ether_multi 1 0K 0K 78643K 9 0 mrt 0 0K 0K 78643K 1 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 55 254K 254K 78643K 55 0 exec 0 0K 1K 78643K 245 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 125 87K 88K 78643K 2577 0 UVM aobj 25 3K 3K 78643K 25 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 52 0 NDP 11 0K 0K 78643K 35 0 temp 114 3874K 3940K 78643K 7360 0 kqueue 3 4K 14K 78643K 36 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 8 0 2 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 33 0 31 1 0 1 1 0 8 0 rtentry 112 74 0 33 3 1 2 2 0 8 0 unpcb 120 669 0 659 1 0 1 1 0 8 0 syncache 264 7 0 7 3 3 0 1 0 8 0 tcpqe 32 147 0 147 1 1 0 1 0 8 0 tcpcb 544 151 0 146 3 2 1 2 0 8 0 inpcb 296 1038 0 1021 4 2 2 2 0 8 0 nd6 48 18 0 14 1 0 1 1 0 8 0 pkpcb 40 6 0 6 2 1 1 1 0 8 1 ppxss 1136 3 0 3 2 2 0 1 0 8 0 pffrag 232 1 0 1 1 0 1 1 0 482 1 pffrnode 88 1 0 1 1 0 1 1 0 8 1 pffrent 40 45 0 45 1 0 1 1 0 8 1 pfosfp 40 846 0 423 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfrktable 1344 19 0 12 1 0 1 1 0 8 0 pftag 88 1 0 0 1 0 1 1 0 8 0 pfqueue 264 2 0 0 1 0 1 1 0 8 0 pfstitem 24 55 0 23 1 0 1 1 0 8 0 pfstkey 112 55 0 23 1 0 1 1 0 8 0 pfstate 328 55 0 23 3 0 3 3 0 8 0 pfrule 1360 28 0 19 2 1 1 2 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 339 0 147 15 3 12 13 0 8 0 art_table 32 341 0 147 2 0 2 2 0 8 0 art_node 16 73 0 35 1 0 1 1 0 8 0 sysvmsgpl 40 23 0 10 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 117 0 107 1 0 1 1 0 8 0 shmpl 112 22 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 10 3 0 3 3 0 8 1 dino2pl 256 2015 0 612 90 1 89 89 0 8 0 ffsino 272 2015 0 612 95 1 94 94 0 8 0 nchpl 144 2891 0 1294 60 0 60 60 0 8 0 uvmvnodes 72 2221 0 0 41 0 41 41 0 8 0 vnodes 208 2221 0 0 117 0 117 117 0 8 0 namei 1024 7967 0 7967 4 3 1 1 0 8 1 percpumem 16 42 0 10 1 0 1 1 0 8 0 vcpupl 1984 6 0 0 1 0 1 1 0 8 0 vmpool 560 8 0 2 2 1 1 1 0 8 0 pfiaddrpl 120 6 0 2 1 0 1 1 0 8 0 scxspl 192 8975 0 8973 10 9 1 7 0 8 0 plimitpl 152 58 0 50 1 0 1 1 0 8 0 sigapl 424 732 0 679 7 0 7 7 0 8 1 futexpl 56 7785 0 7785 3 2 1 1 0 8 1 knotepl 112 114 0 95 1 0 1 1 0 8 0 kqueuepl 144 75 0 73 1 0 1 1 0 8 0 pipepl 304 149 0 139 3 1 2 2 0 8 1 fdescpl 496 695 0 679 3 0 3 3 0 8 0 filepl 152 4521 0 4415 6 1 5 5 0 8 0 lockfpl 104 89 0 88 1 0 1 1 0 8 0 lockfspl 48 26 0 25 1 0 1 1 0 8 0 sessionpl 112 19 0 8 1 0 1 1 0 8 0 pgrppl 48 23 0 12 1 0 1 1 0 8 0 ucredpl 96 381 0 372 1 0 1 1 0 8 0 zombiepl 144 679 0 679 2 1 1 1 0 8 1 processpl 992 732 0 679 8 1 7 7 0 8 0 procpl 624 1776 0 1712 7 1 6 6 0 8 0 srpgc 64 2 0 2 1 1 0 1 0 8 0 sosppl 128 5 0 5 2 1 1 1 0 8 1 sockpl 400 1752 0 1723 8 4 4 4 0 8 0 mcl64k 65536 10 0 0 2 0 2 2 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl12k 12288 9 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 6 0 0 1 0 1 1 0 8 0 mcl2k 2048 211 0 0 26 0 26 26 0 8 0 mtagpl 96 43 0 0 2 0 2 2 0 8 0 mbufpl 256 314 0 0 18 0 18 18 0 8 0 bufpl 280 4413 0 134 306 0 306 306 0 8 0 anonpl 16 81055 0 64393 79 3 76 76 0 124 7 amapchunkpl 152 4135 0 3981 11 0 11 11 0 158 3 amappl16 192 2964 0 2062 48 2 46 46 0 8 0 amappl15 184 1 0 0 1 0 1 1 0 8 0 amappl14 176 182 0 177 1 0 1 1 0 8 0 amappl13 168 35 0 32 1 0 1 1 0 8 0 amappl12 160 104 0 100 1 0 1 1 0 8 0 amappl11 152 67 0 50 1 0 1 1 0 8 0 amappl10 144 14 0 11 1 0 1 1 0 8 0 amappl9 136 600 0 598 1 0 1 1 0 8 0 amappl8 128 578 0 544 2 0 2 2 0 8 0 amappl7 120 125 0 112 1 0 1 1 0 8 0 amappl6 112 24 0 20 1 0 1 1 0 8 0 amappl5 104 688 0 671 1 0 1 1 0 8 0 amappl4 96 499 0 472 1 0 1 1 0 8 0 amappl3 88 274 0 268 1 0 1 1 0 8 0 amappl2 80 4562 0 4492 2 0 2 2 0 8 0 amappl1 72 29553 0 29100 23 13 10 18 0 8 0 amappl 80 2028 0 1978 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 24 0 0 1 0 1 1 0 8 0 uaddrrnd 24 703 0 681 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 703 0 681 1 0 1 1 0 8 0 vmmpekpl 168 9524 0 9483 2 0 2 2 0 8 0 vmmpepl 168 96047 0 93954 148 23 125 126 0 357 29 vmsppl 368 702 0 681 3 0 3 3 0 8 1 pdppl 4096 1413 0 1368 7 1 6 6 0 8 0 pvpl 32 262596 0 242895 194 13 181 181 0 265 16 pmappl 232 702 0 681 3 1 2 2 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 290 0 19 8 0 8 8 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace vio_rxeof(ffff80000017c000) at vio_rxeof+0x191 sys/dev/pv/if_vio.c:1018 vio_rx_intr(ffff80000017c050) at vio_rx_intr+0x4d sys/dev/pv/if_vio.c:1056 intr_handler(ffff800020ec7720,ffff800000256b80) at intr_handler+0x8f sys/arch/amd64/amd64/intr.c:536 Xintr_ioapic_edge19_untramp() at Xintr_ioapic_edge19_untramp+0x19f end of kernel end trace frame: 0x470f63ea1b0, count: -4 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp ddb{1}> trace x86_ipi_db(ffff800020d70ff0) 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 __mp_lock(ffffffff828e6860) at __mp_lock+0x120 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff828e6860) at __mp_lock+0x120 sys/kern/kern_lock.c:147 sys_futex(ffff800020ea3ed0,ffff800021ed7200,ffff800021ed7250) at sys_futex+0xf6 sys/kern/sys_futex.c:109 syscall(ffff800021ed72d0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800021ed72d0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x470613a4470, count: -7