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(0xffffffff827e9000, 0xffffffff0000000b, 0, 1) -> e in_delmulti(fffffffeffffffff) at in_delmulti+0x8d sys/netinet/in.c:914 end trace frame: 0xffff800023f14c70, count: 0 ddb{1}> trace in_delmulti(fffffffeffffffff) at in_delmulti+0x8d sys/netinet/in.c:914 in_purgeaddr(ffff800000b01400) at in_purgeaddr+0x156 sys/netinet/in.c:760 in_ifdetach(ffff800000af0800) at in_ifdetach+0x74 sys/netinet/in.c:971 if_setrdomain(ffff800000af0800,6) at if_setrdomain+0x19a sys/net/if.c:1778 ifioctl(fffffd806f690af0,8020699f,ffff800023f14e70,ffff800020e09768) at ifioctl+0x16ad sys/net/if.c:2038 soo_ioctl(fffffd8079d8d020,8020699f,ffff800023f14e70,ffff800020e09768) at soo_ioctl+0x27c sys/kern/sys_socket.c:138 sys_ioctl(ffff800020e09768,ffff800023f14f88,ffff800023f14fd0) at sys_ioctl+0x4a5 syscall(ffff800023f15050) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800023f15050) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x79c38dbabd0, count: -9 ddb{1}> show registers rdi 0x2 rsi 0x3ffff acpi_pdirpa+0x2be67 rbp 0xffff800023f14c20 rbx 0 rdx 0x40000 acpi_pdirpa+0x2be68 rcx 0xffff800021edf000 rax 0xffff800000ad9d80 r8 0xffffffff82208673 rt_ifa_purge+0x153 r9 0x5 r10 0x3 r11 0xc449c6ec37f2826e r12 0 r13 0x3 r14 0xfffffffeffffffff r15 0x1 rip 0xffffffff812f35bd in_delmulti+0x8d cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800023f14bc0 ss 0x10 in_delmulti+0x8d: movl 0xc(%r14),%r15d ddb{1}> show proc PROC (syz-executor.1) pid=81402 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=63, nice=20 forw=0xffffffffffffffff, list=0xffff800020e09eb8,0xffffffff82914340 process=0xffff800020eb7b40 user=0xffff800023f10000, vmspace=0xfffffd807e9c1b90 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 90562 433613 93767 0 3 0x80 fsleep syz-executor.1 *90562 81402 93767 0 7 0x4000000 syz-executor.1 36910 419284 75431 0 3 0x80 fsleep syz-executor.0 36910 4732 75431 0 3 0x4000080 fifow syz-executor.0 50887 256465 0 0 3 0x14200 acct acct 45332 353924 0 0 3 0x14280 nfsidl nfsio 99522 441416 0 0 3 0x14280 nfsidl nfsio 18374 5510 0 0 3 0x14280 nfsidl nfsio 22098 129713 0 0 3 0x14280 nfsidl nfsio 33991 358285 0 0 3 0x14280 nfsidl nfsio 22985 421491 0 0 3 0x14280 nfsidl nfsio 29942 214985 0 0 3 0x14280 nfsidl nfsio 14641 457696 0 0 3 0x14280 nfsidl nfsio 82293 510355 0 0 3 0x14280 nfsidl nfsio 92751 382500 0 0 3 0x14280 nfsidl nfsio 7988 99988 0 0 3 0x14280 nfsidl nfsio 75922 35068 0 0 3 0x14280 nfsidl nfsio 58918 150138 0 0 3 0x14280 nfsidl nfsio 73477 104867 0 0 3 0x14280 nfsidl nfsio 16351 131434 0 0 3 0x14280 nfsidl nfsio 29568 3301 0 0 3 0x14280 nfsidl nfsio 44411 518561 0 0 3 0x14280 nfsidl nfsio 54137 58392 0 0 3 0x14280 nfsidl nfsio 30990 467270 0 0 3 0x14280 nfsidl nfsio 34784 509344 0 0 3 0x14280 nfsidl nfsio 26379 326031 0 0 3 0x14200 bored sosplice 93767 48949 38405 0 3 0x82 nanosleep syz-executor.1 75431 255978 38405 0 3 0x82 nanosleep syz-executor.0 38405 268247 62162 0 3 0x82 thrsleep syz-fuzzer 38405 115954 62162 0 3 0x4000082 nanosleep syz-fuzzer 38405 163695 62162 0 3 0x4000082 nanosleep syz-fuzzer 38405 462381 62162 0 3 0x4000082 thrsleep syz-fuzzer 38405 213586 62162 0 3 0x4000082 thrsleep syz-fuzzer 38405 217415 62162 0 3 0x4000082 thrsleep syz-fuzzer 38405 410792 62162 0 3 0x4000082 kqread syz-fuzzer 38405 411424 62162 0 3 0x4000082 thrsleep syz-fuzzer 62162 183715 63359 0 3 0x10008a pause ksh 63359 251328 77532 0 3 0x92 select sshd 80552 491661 1 0 3 0x100083 ttyin getty 77532 266941 1 0 3 0x80 select sshd 17299 184679 81822 74 3 0x100092 bpf pflogd 81822 131414 1 0 3 0x80 netio pflogd 99448 132778 76309 73 3 0x100090 kqread syslogd 76309 66951 1 0 3 0x100082 netio syslogd 24364 143032 0 0 3 0x14200 bored smr 62088 145415 0 0 3 0x14200 pgzero zerothread 18557 461494 0 0 3 0x14200 aiodoned aiodoned 90027 477706 0 0 3 0x14200 syncer update 52448 278186 0 0 3 0x14200 cleaner cleaner 80072 181674 0 0 3 0x14200 reaper reaper 39450 405710 0 0 3 0x14200 pgdaemon pagedaemon 1867 82736 0 0 3 0x14200 bored crynlk 3463 158849 0 0 3 0x14200 bored crypto 73292 306566 0 0 3 0x40014200 acpi0 acpi0 29677 27046 0 0 3 0x40014200 idle1 64370 285208 0 0 3 0x14200 bored softnet 34724 419760 0 0 3 0x14200 bored systqmp 91317 454262 0 0 3 0x14200 bored systq 18912 125845 0 0 3 0x40014200 bored softclock 85754 220920 0 0 7 0x40014200 idle0 1 118244 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 90562 (syz-executor.1) thread 0xffff800020e09768 (81402) exclusive rwlock netlock r = 0 (0xffffffff827410f8) #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 (0xffffffff82935f10) #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 9521 6363K 10626K 78643K 17322 0 pcb 13 8K 8K 78643K 151 0 rtable 122 10K 11K 78643K 604 0 ifaddr 102 21K 22K 78643K 266 0 sysctl 2 0K 0K 78643K 2 0 counters 43 33K 34K 78643K 83 0 ioctlops 0 0K 4K 78643K 1627 0 iov 0 0K 16K 78643K 83 0 mount 1 1K 1K 78643K 1 0 vnodes 1228 77K 77K 78643K 3131 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 13 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 1K 78643K 251 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1824 197K 290K 78643K 13058 0 file desc 6 17K 25K 78643K 1286 0 sigio 0 0K 0K 78643K 16 0 proc 56 51K 95K 78643K 496 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 73 0 in_multi 88 4K 4K 78643K 196 0 ether_multi 1 0K 0K 78643K 23 0 mrt 0 0K 0K 78643K 3 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 253 0 pfkey data 0 0K 0K 78643K 4 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 212 109K 110K 78643K 4786 0 UVM aobj 29 7K 7K 78643K 34 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 128 0 NDP 14 0K 0K 78643K 44 0 temp 138 3869K 3933K 78643K 8916 0 kqueue 3 4K 12K 78643K 32 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 2 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 45 0 45 3 2 1 1 0 8 1 rtentry 112 76 0 40 2 0 2 2 0 8 0 unpcb 120 561 0 550 1 0 1 1 0 8 0 syncache 264 13 0 13 5 5 0 1 0 8 0 tcpqe 32 412 0 412 2 2 0 2 0 8 0 tcpcb 544 335 0 331 4 3 1 2 0 8 0 inpcb 296 2526 0 2519 5 3 2 2 0 8 1 rttmr 72 2 0 2 1 0 1 1 0 8 1 nd6 48 18 0 11 1 0 1 1 0 8 0 pkpcb 40 12 0 12 3 3 0 1 0 8 0 ppxss 1136 4 0 4 3 3 0 1 0 8 0 pffrag 232 3 0 2 3 2 1 1 0 482 0 pffrnode 88 3 0 2 3 2 1 1 0 8 0 pffrent 40 53 0 52 4 3 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 pfrktable 1344 96 0 83 4 2 2 2 0 8 0 pfstitem 24 16 0 13 1 0 1 1 0 8 0 pfstkey 112 16 0 13 1 0 1 1 0 8 0 pfstate 328 16 0 13 2 0 2 2 0 8 0 pfsrctr 152 27 0 27 1 1 0 1 0 8 0 pfrule 1360 50 0 34 4 2 2 2 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 307 0 95 16 0 16 16 0 8 2 art_table 32 309 0 95 2 0 2 2 0 8 0 art_node 16 69 0 40 1 0 1 1 0 8 0 sysvmsgpl 40 25 0 9 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 243 0 233 1 0 1 1 0 8 0 shmpl 112 31 0 5 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 2901 0 1496 90 1 89 89 0 8 0 ffsino 272 2901 0 1496 94 0 94 94 0 8 0 nchpl 144 4738 0 3125 60 0 60 60 0 8 0 uvmvnodes 72 4772 0 0 87 0 87 87 0 8 0 vnodes 208 4772 0 0 252 0 252 252 0 8 0 namei 1024 13882 0 13882 2 1 1 1 0 8 1 percpumem 16 52 0 20 1 0 1 1 0 8 0 vcpupl 1984 10 0 0 2 0 2 2 0 8 0 vmpool 560 10 0 0 1 0 1 1 0 8 0 pfiaddrpl 120 39 0 25 1 0 1 1 0 8 0 scxspl 192 14225 0 14225 11 10 1 7 0 8 1 plimitpl 152 61 0 54 1 0 1 1 0 8 0 sigapl 424 1523 0 1471 8 2 6 7 0 8 0 futexpl 56 31651 0 31649 2 1 1 1 0 8 0 knotepl 112 99 0 79 1 0 1 1 0 8 0 kqueuepl 144 87 0 85 1 0 1 1 0 8 0 pipepl 304 217 0 206 5 3 2 2 0 8 1 fdescpl 496 1486 0 1471 3 0 3 3 0 8 0 filepl 152 9242 0 9149 5 0 5 5 0 8 0 lockfpl 104 151 0 151 2 1 1 1 0 8 1 lockfspl 48 59 0 59 2 1 1 1 0 8 1 sessionpl 112 18 0 9 1 0 1 1 0 8 0 pgrppl 48 32 0 23 1 0 1 1 0 8 0 ucredpl 96 626 0 618 1 0 1 1 0 8 0 zombiepl 144 1471 0 1471 1 0 1 1 0 8 1 processpl 992 1523 0 1471 7 0 7 7 0 8 0 procpl 624 3904 0 3843 6 1 5 6 0 8 0 srpgc 64 2 0 0 1 0 1 1 0 8 0 sosppl 128 12 0 12 5 4 1 1 0 8 1 sockpl 400 3156 0 3140 9 6 3 4 0 8 1 mcl64k 65536 257 0 0 33 10 23 33 0 8 1 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl12k 12288 10 0 0 1 0 1 1 0 8 0 mcl9k 9216 7 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 12 0 0 2 0 2 2 0 8 0 mcl2k2 2112 4 0 0 1 0 1 1 0 8 0 mcl2k 2048 243 0 0 30 0 30 30 0 8 0 mtagpl 96 511 0 0 13 0 13 13 0 8 0 mbufpl 256 1144 0 0 70 0 70 70 0 8 0 bufpl 280 5294 0 133 369 0 369 369 0 8 0 anonpl 16 157127 0 138656 122 44 78 91 0 124 0 amapchunkpl 152 7946 0 7659 29 16 13 19 0 158 0 amappl16 192 6751 0 5863 84 39 45 56 0 8 0 amappl15 184 680 0 678 1 0 1 1 0 8 0 amappl14 176 24 0 19 1 0 1 1 0 8 0 amappl13 168 603 0 598 1 0 1 1 0 8 0 amappl12 160 9 0 7 1 0 1 1 0 8 0 amappl11 152 55 0 44 1 0 1 1 0 8 0 amappl10 144 704 0 698 1 0 1 1 0 8 0 amappl9 136 366 0 365 1 0 1 1 0 8 0 amappl8 128 425 0 351 3 0 3 3 0 8 0 amappl7 120 799 0 783 1 0 1 1 0 8 0 amappl6 112 26 0 21 1 0 1 1 0 8 0 amappl5 104 1383 0 1369 1 0 1 1 0 8 0 amappl4 96 1071 0 1041 1 0 1 1 0 8 0 amappl3 88 141 0 134 1 0 1 1 0 8 0 amappl2 80 10967 0 10894 2 0 2 2 0 8 0 amappl1 72 50146 0 49703 23 13 10 18 0 8 0 amappl 80 4197 0 4112 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 33 0 5 1 0 1 1 0 8 0 uaddrrnd 24 1496 0 1471 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1496 0 1471 1 0 1 1 0 8 0 vmmpekpl 168 13099 0 13058 2 0 2 2 0 8 0 vmmpepl 168 193035 0 190840 143 46 97 118 0 357 1 vmsppl 368 1495 0 1471 3 0 3 3 0 8 0 pdppl 4096 2999 0 2952 7 0 7 7 0 8 0 pvpl 32 458623 0 436842 272 75 197 213 0 265 20 pmappl 232 1495 0 1471 3 1 2 2 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 379 0 26 11 0 11 11 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp ddb{0}> trace x86_ipi_db(ffffffff82779ff0) 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 __sanitizer_cov_trace_cmp4(10ca27,10ca28) at __sanitizer_cov_trace_cmp4+0x10 sys/dev/kcov.c:134 __mp_lock(ffffffff82935d08) at __mp_lock+0x139 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82935d08) at __mp_lock+0x139 sys/kern/kern_lock.c:147 intr_handler(ffff800020d91c70,ffff80000065bd80) at intr_handler+0x5e sys/arch/amd64/amd64/intr.c:532 Xintr_ioapic_edge4_untramp() at Xintr_ioapic_edge4_untramp+0x19f acpicpu_idle() at acpicpu_idle+0x331 sys/dev/acpi/acpicpu.c:1187 sched_idle(ffffffff82779ff0) at sched_idle+0x3f7 sys/kern/kern_sched.c:178 end trace frame: 0x0, count: -9 ddb{0}> machine ddbcpu 1 Stopped at in_delmulti+0x8d: movl 0xc(%r14),%r15d ddb{1}> trace in_delmulti(fffffffeffffffff) at in_delmulti+0x8d sys/netinet/in.c:914 in_purgeaddr(ffff800000b01400) at in_purgeaddr+0x156 sys/netinet/in.c:760 in_ifdetach(ffff800000af0800) at in_ifdetach+0x74 sys/netinet/in.c:971 if_setrdomain(ffff800000af0800,6) at if_setrdomain+0x19a sys/net/if.c:1778 ifioctl(fffffd806f690af0,8020699f,ffff800023f14e70,ffff800020e09768) at ifioctl+0x16ad sys/net/if.c:2038 soo_ioctl(fffffd8079d8d020,8020699f,ffff800023f14e70,ffff800020e09768) at soo_ioctl+0x27c sys/kern/sys_socket.c:138 sys_ioctl(ffff800020e09768,ffff800023f14f88,ffff800023f14fd0) at sys_ioctl+0x4a5 syscall(ffff800023f15050) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800023f15050) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x79c38dbabd0, count: -9