login: ukernel: page fault trap, code=0 Stopped at in_delmulti+0x8d: movl 0xc(%r14),%r15d ddb{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic kernel page fault uvm_fault(0xfffffd807efff8a0, 0x81000b, 0, 1) -> e in_delmulti(80ffff) at in_delmulti+0x8d sys/netinet/in.c:914 end trace frame: 0xffff800021edb0e0, count: 0 ddb{1}> trace in_delmulti(80ffff) at in_delmulti+0x8d sys/netinet/in.c:914 in_purgeaddr(ffff800000b24400) at in_purgeaddr+0x156 sys/netinet/in.c:760 in_ifdetach(ffff800000af4000) at in_ifdetach+0x74 sys/netinet/in.c:971 if_setrdomain(ffff800000af4000,6) at if_setrdomain+0x19a sys/net/if.c:1778 ifioctl(fffffd806420c038,8020699f,ffff800021edb2e0,ffff800020e98b08) at ifioctl+0x16ad sys/net/if.c:2038 soo_ioctl(fffffd8063ff78f0,8020699f,ffff800021edb2e0,ffff800020e98b08) at soo_ioctl+0x27c sys/kern/sys_socket.c:138 sys_ioctl(ffff800020e98b08,ffff800021edb3f8,ffff800021edb440) at sys_ioctl+0x4a5 syscall(ffff800021edb4c0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800021edb4c0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe9498176310, count: -9 ddb{1}> show registers rdi 0xffff8000230f2000 rsi 0x25ddc acpi_pdirpa+0x11c44 rbp 0xffff800021edb090 rbx 0 rdx 0xffff8000230f2000 rcx 0x25ddb acpi_pdirpa+0x11c43 rax 0xffffffff819aa3cd in_delmulti+0x8d r8 0xffff800000b24400 r9 0xffffffff81968e83 rt_ifa_purge+0x153 r10 0x5 r11 0x1603a8b7bab9c60a r12 0 r13 0x3 r14 0x80ffff acpi_pdirpa+0x7fbe67 r15 0x1 rip 0xffffffff819aa3cd in_delmulti+0x8d cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800021edb030 ss 0x10 in_delmulti+0x8d: movl 0xc(%r14),%r15d ddb{1}> show proc PROC (syz-executor.1) pid=9099 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff800020e97038,0xffffffff828f12a8 process=0xffff800022cea408 user=0xffff800021ed6000, vmspace=0xfffffd807efff8a0 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 39325 340109 93717 0 2 0 syz-executor.1 *39325 9099 93717 0 7 0x4000000 syz-executor.1 99036 303307 0 0 3 0x14200 acct acct 79277 179160 0 0 3 0x14200 bored sosplice 4972 200673 0 0 3 0x14280 nfsidl nfsio 68763 383594 0 0 3 0x14280 nfsidl nfsio 35812 86006 0 0 3 0x14280 nfsidl nfsio 46410 502797 0 0 3 0x14280 nfsidl nfsio 75256 134694 0 0 3 0x14280 nfsidl nfsio 7566 160258 0 0 3 0x14280 nfsidl nfsio 16494 99304 0 0 3 0x14280 nfsidl nfsio 4107 452804 0 0 3 0x14280 nfsidl nfsio 66868 127853 0 0 3 0x14280 nfsidl nfsio 84708 416434 0 0 3 0x14280 nfsidl nfsio 68421 373607 0 0 3 0x14280 nfsidl nfsio 69174 109103 0 0 3 0x14280 nfsidl nfsio 13051 404271 0 0 3 0x14280 nfsidl nfsio 50594 273828 0 0 3 0x14280 nfsidl nfsio 51849 486446 0 0 3 0x14280 nfsidl nfsio 27504 425459 0 0 3 0x14280 nfsidl nfsio 99860 348892 0 0 3 0x14280 nfsidl nfsio 56212 262701 0 0 3 0x14280 nfsidl nfsio 34550 514805 0 0 3 0x14280 nfsidl nfsio 81701 423164 0 0 3 0x14280 nfsidl nfsio 93717 340008 39640 0 3 0x82 nanosleep syz-executor.1 14587 124267 39640 0 3 0x82 nanosleep syz-executor.0 39640 198449 73933 0 3 0x82 thrsleep syz-fuzzer 39640 370102 73933 0 3 0x4000082 thrsleep syz-fuzzer 39640 100402 73933 0 3 0x4000082 thrsleep syz-fuzzer 39640 262650 73933 0 3 0x4000082 thrsleep syz-fuzzer 39640 178413 73933 0 3 0x4000082 thrsleep syz-fuzzer 39640 480833 73933 0 3 0x4000082 thrsleep syz-fuzzer 39640 61295 73933 0 3 0x4000082 kqread syz-fuzzer 39640 115511 73933 0 3 0x4000082 thrsleep syz-fuzzer 73933 418478 19827 0 3 0x10008a pause ksh 19827 51753 81401 0 3 0x92 select sshd 62851 203485 1 0 3 0x100083 ttyin getty 81401 152694 1 0 3 0x80 select sshd 61887 97636 25081 74 3 0x100092 bpf pflogd 25081 28687 1 0 3 0x80 netio pflogd 26321 512952 80655 73 3 0x100090 kqread syslogd 80655 199323 1 0 3 0x100082 netio syslogd 93787 79622 1 77 7 0x100090 dhclient 19114 520970 1 0 3 0x80 poll dhclient 68462 103021 0 0 3 0x14200 bored smr 97861 352528 0 0 2 0x14200 zerothread 6998 127754 0 0 3 0x14200 aiodoned aiodoned 79981 221088 0 0 3 0x14200 syncer update 91484 343830 0 0 3 0x14200 cleaner cleaner 47621 372905 0 0 3 0x14200 reaper reaper 69143 141276 0 0 3 0x14200 pgdaemon pagedaemon 30612 370914 0 0 3 0x14200 bored crynlk 73863 411936 0 0 3 0x14200 bored crypto 115 339905 0 0 3 0x40014200 acpi0 acpi0 97449 486888 0 0 3 0x40014200 idle1 90217 210127 0 0 3 0x14200 bored softnet 66302 395349 0 0 2 0x14200 systqmp 71417 78635 0 0 3 0x14200 bored systq 23712 426113 0 0 3 0x40014200 bored softclock 53948 113325 0 0 3 0x40014200 idle0 1 24052 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 39325 (syz-executor.1) thread 0xffff800020e98b08 (9099) exclusive rwlock netlock r = 0 (0xffffffff826f8418) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 ifioctl+0x16a0 sys/net/if.c:2038 #2 soo_ioctl+0x27c sys/kern/sys_socket.c:138 #3 sys_ioctl+0x4a5 #4 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #4 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #5 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 1 (0xffffffff828ecbf8) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 soo_ioctl+0x26a sys/kern/sys_socket.c:138 #2 sys_ioctl+0x4a5 #3 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #3 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #4 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9492 6405K 6917K 78643K 11015 0 pcb 13 8K 8K 78643K 33 0 rtable 85 3K 7K 78643K 288 0 ifaddr 60 12K 13K 78643K 86 0 sysctl 2 0K 0K 78643K 2 0 counters 43 33K 34K 78643K 45 0 ioctlops 0 0K 4K 78643K 1514 0 iov 0 0K 12K 78643K 11 0 mount 1 1K 1K 78643K 1 0 vnodes 1217 76K 77K 78643K 1390 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 9K 78643K 7 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 1K 78643K 76 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1824 197K 290K 78643K 13058 0 file desc 5 13K 25K 78643K 275 0 proc 62 63K 95K 78643K 455 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 0K 78643K 13 0 in_multi 39 2K 2K 78643K 67 0 ether_multi 1 0K 0K 78643K 3 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 61 281K 281K 78643K 61 0 exec 0 0K 1K 78643K 218 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 186 62K 63K 78643K 1878 0 UVM aobj 14 4K 4K 78643K 21 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 24 0 NDP 9 0K 0K 78643K 14 0 temp 94 3855K 3919K 78643K 2673 0 kqueue 3 4K 24K 78643K 21 0 SYN cache 2 16K 16K 78643K 2 0 ddb{1}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 8 0 4 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 38 0 36 1 0 1 1 0 8 0 rtentry 112 56 0 25 2 0 2 2 0 8 0 unpcb 120 88 0 77 1 0 1 1 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 1281 0 1281 1 1 0 1 0 8 0 tcpcb 544 60 0 54 2 0 2 2 0 8 1 inpcb 296 315 0 305 4 2 2 2 0 8 1 nd6 48 9 0 3 1 0 1 1 0 8 0 swfcl 56 2 0 0 1 0 1 1 0 8 0 ppxss 1136 1 0 1 1 1 0 1 0 8 0 pfstscr 40 4 0 4 2 2 0 1 0 8 0 pffrag 232 1 0 1 1 1 0 1 0 482 0 pffrnode 88 1 0 1 1 1 0 1 0 8 0 pffrent 40 4 0 4 2 2 0 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 pfrktable 1344 16 0 16 1 1 0 1 0 8 0 pftag 88 1 0 0 1 0 1 1 0 8 0 pfstitem 24 33 0 13 1 0 1 1 0 8 0 pfstkey 112 39 0 19 1 0 1 1 0 8 0 pfstate 328 35 0 15 3 0 3 3 0 8 0 pfrule 1360 27 0 18 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 229 0 76 12 0 12 12 0 8 1 art_table 32 230 0 76 2 0 2 2 0 8 0 art_node 16 55 0 26 1 0 1 1 0 8 0 sysvmsgpl 40 6 0 1 1 0 1 1 0 8 0 semupl 112 5 0 5 1 1 0 1 0 8 0 semapl 112 68 0 58 1 0 1 1 0 8 0 shmpl 112 18 0 7 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1763 0 362 88 0 88 88 0 8 0 ffsino 272 1763 0 362 95 1 94 94 0 8 0 nchpl 144 2311 0 704 60 0 60 60 0 8 0 uvmvnodes 72 1913 0 0 35 0 35 35 0 8 0 vnodes 208 1913 0 0 101 0 101 101 0 8 0 namei 1024 6783 0 6783 4 3 1 1 0 8 1 percpumem 16 33 0 1 1 0 1 1 0 8 0 vcpupl 1984 2 0 0 1 0 1 1 0 8 0 vmpool 560 2 0 0 1 0 1 1 0 8 0 pfiaddrpl 120 4 0 4 1 1 0 1 0 8 0 scxspl 192 7150 0 7150 9 8 1 7 0 8 1 plimitpl 152 31 0 22 1 0 1 1 0 8 0 sigapl 424 512 0 459 7 0 7 7 0 8 1 futexpl 56 3319 0 3319 3 2 1 1 0 8 1 knotepl 112 113 0 93 2 1 1 2 0 8 0 kqueuepl 144 34 0 32 1 0 1 1 0 8 0 pipepl 304 107 0 96 4 2 2 2 0 8 1 fdescpl 496 475 0 459 3 0 3 3 0 8 0 filepl 152 2892 0 2786 7 2 5 5 0 8 0 lockfpl 104 36 0 35 1 0 1 1 0 8 0 lockfspl 48 15 0 14 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 96 715 0 706 1 0 1 1 0 8 0 zombiepl 144 459 0 458 2 1 1 1 0 8 0 processpl 992 512 0 458 8 1 7 7 0 8 0 procpl 624 1056 0 994 8 2 6 6 0 8 0 srpgc 64 2 0 0 1 0 1 1 0 8 0 sosppl 128 3 0 3 1 0 1 1 0 8 1 sockpl 400 442 0 419 8 5 3 4 0 8 0 mcl64k 65536 5 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl12k 12288 3 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 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 264 0 0 32 0 32 32 0 8 0 mtagpl 96 39 0 0 1 0 1 1 0 8 0 mbufpl 256 266 0 0 16 0 16 16 0 8 0 bufpl 280 3635 0 129 251 0 251 251 0 8 0 anonpl 16 65778 0 47717 99 9 90 90 0 124 12 amapchunkpl 152 2798 0 2470 19 4 15 19 0 158 0 amappl16 192 2226 0 1360 56 4 52 56 0 8 8 amappl15 184 132 0 130 2 1 1 1 0 8 0 amappl14 176 13 0 9 1 0 1 1 0 8 0 amappl13 168 28 0 25 1 0 1 1 0 8 0 amappl12 160 26 0 20 1 0 1 1 0 8 0 amappl11 152 56 0 41 1 0 1 1 0 8 0 amappl10 144 19 0 14 1 0 1 1 0 8 0 amappl9 136 480 0 477 1 0 1 1 0 8 0 amappl8 128 505 0 444 3 0 3 3 0 8 0 amappl7 120 117 0 104 1 0 1 1 0 8 0 amappl6 112 32 0 26 1 0 1 1 0 8 0 amappl5 104 368 0 351 1 0 1 1 0 8 0 amappl4 96 487 0 460 1 0 1 1 0 8 0 amappl3 88 129 0 121 1 0 1 1 0 8 0 amappl2 80 2980 0 2909 2 0 2 2 0 8 0 amappl1 72 22769 0 22330 23 13 10 18 0 8 0 amappl 80 1342 0 1250 3 0 3 3 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 20 0 7 1 0 1 1 0 8 0 uaddrrnd 24 477 0 459 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 477 0 459 1 0 1 1 0 8 0 vmmpekpl 168 7421 0 7378 4 1 3 3 0 8 0 vmmpepl 168 68337 0 66228 136 32 104 114 0 357 6 vmsppl 368 476 0 459 2 0 2 2 0 8 0 pdppl 4096 961 0 920 7 1 6 6 0 8 0 pvpl 32 211526 0 190230 221 11 210 210 0 265 28 pmappl 232 476 0 459 2 0 2 2 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 286 0 15 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp ddb{0}> trace x86_ipi_db(ffffffff82713ff0) 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(ffffffff828ec9f0) at __mp_lock+0x127 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff828ec9f0) at __mp_lock+0x127 sys/kern/kern_lock.c:147 __mp_acquire_count(ffffffff828ec9f0,2) at __mp_acquire_count+0x51 sys/kern/kern_lock.c:227 mi_switch() at mi_switch+0x392 sys/kern/sched_bsd.c:435 sleep_finish(ffff800020e18800,1) at sleep_finish+0x113 sys/kern/kern_synch.c:418 sleep_finish_all(ffff800020e18800,1) at sleep_finish_all+0x32 sleep_finish_timeout sys/kern/kern_synch.c:447 [inline] sleep_finish_all(ffff800020e18800,1) at sleep_finish_all+0x32 sys/kern/kern_synch.c:393 tsleep(ffffffff828ead60,118,ffffffff8246bced,ccccc78) at tsleep+0x1cc sys/kern/kern_synch.c:155 doppoll(ffff800020ddc758,7f7fffff39d0,3,ffff800020e18998,0,ffff800020e18a50) at doppoll+0x57e sys/kern/sys_generic.c:968 sys_poll(ffff800020ddc758,ffff800020e18a00,ffff800020e18a50) at sys_poll+0xa6 syscall(ffff800020e18ad0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800020e18ad0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7fffff39b0, count: -13 ddb{0}> machine ddbcpu 1 Stopped at in_delmulti+0x8d: movl 0xc(%r14),%r15d ddb{1}> trace in_delmulti(80ffff) at in_delmulti+0x8d sys/netinet/in.c:914 in_purgeaddr(ffff800000b24400) at in_purgeaddr+0x156 sys/netinet/in.c:760 in_ifdetach(ffff800000af4000) at in_ifdetach+0x74 sys/netinet/in.c:971 if_setrdomain(ffff800000af4000,6) at if_setrdomain+0x19a sys/net/if.c:1778 ifioctl(fffffd806420c038,8020699f,ffff800021edb2e0,ffff800020e98b08) at ifioctl+0x16ad sys/net/if.c:2038 soo_ioctl(fffffd8063ff78f0,8020699f,ffff800021edb2e0,ffff800020e98b08) at soo_ioctl+0x27c sys/kern/sys_socket.c:138 sys_ioctl(ffff800020e98b08,ffff800021edb3f8,ffff800021edb440) at sys_ioctl+0x4a5 syscall(ffff800021edb4c0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800021edb4c0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe9498176310, count: -9