load: 0.10 cmd: load: 0.10 cmd: uvm_fault(0xfffffd807f000730, 0x0, 0, 1) -> e kernel: page fault trap, code=0 Stopped at ifa_update_broadaddr+0x1f: movzbl 0(%r15),%r12d ddb{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic kernel page fault uvm_fault(0xfffffd807f000730, 0x0, 0, 1) -> e ifa_update_broadaddr(ffff800000ac6000,ffff800000b21c00,ffff8000228fc310) at ifa_update_broadaddr+0x1f sys/net/if.c:3070 end trace frame: 0xffff8000228fc1c0, count: 0 ddb{1}> trace ifa_update_broadaddr(ffff800000ac6000,ffff800000b21c00,ffff8000228fc310) at ifa_update_broadaddr+0x1f sys/net/if.c:3070 in_ioctl(80206913,ffff8000228fc300,ffff800000ac6000,1) at in_ioctl+0x5eb sys/netinet/in.c:320 ifioctl(fffffd80642d8b18,80206913,ffff8000228fc300,ffff800020e09768) at ifioctl+0xe70 sys/net/if.c:2282 soo_ioctl(fffffd80681fabf8,80206913,ffff8000228fc300,ffff800020e09768) at soo_ioctl+0x27c sys/kern/sys_socket.c:138 sys_ioctl(ffff800020e09768,ffff8000228fc418,ffff8000228fc460) at sys_ioctl+0x4a5 syscall(ffff8000228fc4e0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000228fc4e0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xd21eba4acb0, count: -7 ddb{1}> show registers rdi 0xffffffff81c9872b ifa_update_broadaddr+0x1b rsi 0xd8 rbp 0xffff8000228fc120 rbx 0x10 rdx 0xd9 rcx 0xffff8000216f7000 rax 0xffff8000216f7000 r8 0xffffffff81185317 in_ioctl+0x387 r9 0x7 r10 0x3 r11 0xf11e766e20cb6406 r12 0xffff8000228fc310 r13 0 r14 0xffff8000228fc310 r15 0 rip 0xffffffff81c9872f ifa_update_broadaddr+0x1f cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000228fc0e0 ss 0x10 ifa_update_broadaddr+0x1f: movzbl 0(%r15),%r12d ddb{1}> show proc PROC (syz-executor.0) pid=197263 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=56, nice=20 forw=0xffffffffffffffff, list=0xffff800020e09288,0xffffffff828ba3d8 process=0xffff800020e9a400 user=0xffff8000228f7000, vmspace=0xfffffd807f000730 estcpu=6, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 94608 142417 55057 0 7 0 syz-executor.0 *94608 197263 55057 0 7 0x4000000 syz-executor.0 56782 257746 0 0 3 0x14200 bored sosplice 55057 218920 68005 0 3 0x82 nanosleep syz-executor.0 58205 242120 68005 0 3 0x2 biowait syz-executor.1 68005 168525 31504 0 3 0x82 thrsleep syz-fuzzer 68005 484443 31504 0 3 0x4000082 nanosleep syz-fuzzer 68005 58740 31504 0 3 0x4000082 thrsleep syz-fuzzer 68005 478058 31504 0 3 0x4000082 thrsleep syz-fuzzer 68005 168597 31504 0 3 0x4000082 thrsleep syz-fuzzer 68005 63904 31504 0 3 0x4000082 thrsleep syz-fuzzer 68005 420084 31504 0 3 0x4000082 kqread syz-fuzzer 68005 146046 31504 0 3 0x4000082 thrsleep syz-fuzzer 68005 81615 31504 0 3 0x4000082 thrsleep syz-fuzzer 68005 453576 31504 0 3 0x4000082 nanosleep syz-fuzzer 31504 291100 44737 0 3 0x10008a pause ksh 44737 10374 51111 0 3 0x92 select sshd 93846 387514 1 0 3 0x100083 ttyin getty 51111 487204 1 0 3 0x80 select sshd 11859 49774 97397 74 3 0x100092 bpf pflogd 97397 336850 1 0 3 0x80 netio pflogd 28585 129481 18262 73 3 0x100090 kqread syslogd 18262 221176 1 0 3 0x100082 netio syslogd 87165 349666 1 77 3 0x100090 poll dhclient 24526 19057 1 0 3 0x80 poll dhclient 39733 126358 0 0 3 0x14200 bored smr 54073 443397 0 0 3 0x14200 pgzero zerothread 85944 266515 0 0 3 0x14200 aiodoned aiodoned 32823 81776 0 0 3 0x14200 syncer update 67382 79968 0 0 3 0x14200 cleaner cleaner 10990 324941 0 0 3 0x14200 reaper reaper 44523 466085 0 0 3 0x14200 pgdaemon pagedaemon 52849 41354 0 0 3 0x14200 bored crynlk 51961 24120 0 0 3 0x14200 bored crypto 43278 198916 0 0 3 0x40014200 acpi0 acpi0 24862 374384 0 0 3 0x40014200 idle1 98394 481300 0 0 3 0x14200 bored softnet 78952 51090 0 0 3 0x14200 bored systqmp 45870 88812 0 0 3 0x14200 bored systq 15965 412689 0 0 3 0x40014200 bored softclock 94847 168636 0 0 3 0x40014200 idle0 1 254168 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 94608 (syz-executor.0) thread 0xffff800020e09768 (197263) exclusive rwlock netlock r = 0 (0xffffffff82753c68) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 in_ioctl+0x1f5 #2 ifioctl+0xe70 sys/net/if.c:2282 #3 soo_ioctl+0x27c sys/kern/sys_socket.c:138 #4 sys_ioctl+0x4a5 #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 exclusive kernel_lock &kernel_lock r = 1 (0xffffffff828bb818) #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 Process 58205 (syz-executor.1) thread 0xffff800020dddd48 (242120) exclusive rrwlock inode r = 0 (0xfffffd806b20eb38) #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 ufs_ihashins+0x45 sys/ufs/ufs/ufs_ihash.c:140 #4 ffs_vget+0x13e sys/ufs/ffs/ffs_vfsops.c:1358 #5 ffs_inode_alloc+0x1e2 sys/ufs/ffs/ffs_alloc.c:394 #6 ufs_mkdir+0xf4 sys/ufs/ufs/ufs_vnops.c:1162 #7 VOP_MKDIR+0xc6 sys/kern/vfs_vops.c:450 #8 domkdirat+0x121 sys/kern/vfs_syscalls.c:3051 #9 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #9 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #10 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806b20e3c8) #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 domkdirat+0x75 sys/kern/vfs_syscalls.c:3036 #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{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9546 6616K 7178K 78643K 11800 0 pcb 13 8K 8K 78643K 64 0 rtable 77 4K 8K 78643K 357 0 ifaddr 89 17K 17K 78643K 141 0 counters 43 33K 34K 78643K 49 0 ioctlops 0 0K 4K 78643K 1511 0 iov 0 0K 16K 78643K 52 0 mount 1 1K 1K 78643K 1 0 vnodes 1225 77K 77K 78643K 1532 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 5 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 65 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1824 197K 290K 78643K 13058 0 file desc 5 13K 25K 78643K 356 0 sigio 0 0K 0K 78643K 4 0 proc 62 63K 83K 78643K 487 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 37 0 in_multi 57 3K 3K 78643K 126 0 ether_multi 1 0K 0K 78643K 9 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 43 201K 201K 78643K 43 0 exec 0 0K 1K 78643K 239 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 123 23K 38K 78643K 2151 0 UVM aobj 9 2K 2K 78643K 13 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 40 0 NDP 14 0K 0K 78643K 27 0 temp 120 3863K 3932K 78643K 19498 0 kqueue 3 4K 12K 78643K 28 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 7 0 2 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 37 0 35 1 0 1 1 0 8 0 rtentry 112 67 0 42 2 0 2 2 0 8 0 unpcb 120 169 0 159 1 0 1 1 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 197 0 197 1 1 0 1 0 8 0 tcpcb 544 344 0 339 1 0 1 1 0 8 0 inpcb 296 660 0 652 5 3 2 2 0 8 1 nd6 48 17 0 14 1 0 1 1 0 8 0 pkpcb 40 1 0 1 1 1 0 1 0 8 0 swfcl 56 2 0 0 1 0 1 1 0 8 0 ppxss 1128 1 0 1 1 1 0 1 0 8 0 pfstscr 40 2 0 0 1 0 1 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 8 0 7 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 pfrktable 1344 23 0 21 1 0 1 1 0 8 0 pfstitem 24 28 0 12 1 0 1 1 0 8 0 pfstkey 112 28 0 12 1 0 1 1 0 8 0 pfstate 328 27 0 12 2 0 2 2 0 8 0 pfrule 1360 27 0 19 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 387 0 236 15 3 12 15 0 8 1 art_table 32 388 0 236 2 0 2 2 0 8 0 art_node 16 65 0 45 1 0 1 1 0 8 0 sysvmsgpl 40 11 0 4 1 0 1 1 0 8 0 semupl 112 5 0 5 1 1 0 1 0 8 0 semapl 112 61 0 51 1 0 1 1 0 8 0 shmpl 112 10 0 4 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1870 0 466 89 0 89 89 0 8 0 ffsino 272 1870 0 466 94 0 94 94 0 8 0 nchpl 144 2560 0 963 60 0 60 60 0 8 0 uvmvnodes 72 2182 0 0 40 0 40 40 0 8 0 vnodes 208 2182 0 0 115 0 115 115 0 8 0 namei 1024 7032 0 7031 3 2 1 1 0 8 0 percpumem 16 35 0 3 1 0 1 1 0 8 0 pfiaddrpl 120 7 0 6 1 0 1 1 0 8 0 scxspl 192 7826 0 7825 9 8 1 7 0 8 0 plimitpl 152 30 0 22 1 0 1 1 0 8 0 sigapl 424 572 0 540 4 0 4 4 0 8 0 futexpl 56 5448 0 5448 3 2 1 1 0 8 1 knotepl 112 95 0 76 1 0 1 1 0 8 0 kqueuepl 144 64 0 62 1 0 1 1 0 8 0 pipepl 304 125 0 115 4 2 2 2 0 8 1 fdescpl 496 556 0 540 3 0 3 3 0 8 0 filepl 152 3283 0 3181 6 1 5 5 0 8 1 lockfpl 104 120 0 119 1 0 1 1 0 8 0 lockfspl 48 35 0 34 1 0 1 1 0 8 0 sessionpl 112 18 0 7 1 0 1 1 0 8 0 pgrppl 48 24 0 13 1 0 1 1 0 8 0 ucredpl 96 265 0 256 1 0 1 1 0 8 0 zombiepl 144 540 0 540 1 0 1 1 0 8 1 processpl 992 572 0 540 5 0 5 5 0 8 0 procpl 624 1363 0 1321 4 0 4 4 0 8 0 srpgc 64 2 0 2 1 1 0 1 0 8 0 sosppl 128 9 0 9 3 2 1 1 0 8 1 sockpl 400 872 0 852 7 3 4 4 0 8 1 mcl64k 65536 9 0 0 2 0 2 2 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl12k 12288 6 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 8 0 0 1 0 1 1 0 8 0 mcl2k2 2112 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 249 0 0 31 0 31 31 0 8 0 mtagpl 96 137 0 0 4 0 4 4 0 8 0 mbufpl 256 388 0 0 23 0 23 23 0 8 0 bufpl 280 4369 0 140 303 0 303 303 0 8 0 anonpl 16 61781 0 44621 71 1 70 70 0 124 0 amapchunkpl 152 3328 0 3166 22 1 21 21 0 158 13 amappl16 192 2137 0 1225 48 1 47 47 0 8 1 amappl15 184 170 0 167 2 1 1 1 0 8 0 amappl14 176 25 0 22 1 0 1 1 0 8 0 amappl13 168 184 0 180 1 0 1 1 0 8 0 amappl12 160 161 0 157 2 1 1 1 0 8 0 amappl11 152 58 0 43 1 0 1 1 0 8 0 amappl10 144 187 0 179 1 0 1 1 0 8 0 amappl9 136 388 0 387 1 0 1 1 0 8 0 amappl8 128 358 0 323 2 0 2 2 0 8 0 amappl7 120 287 0 273 1 0 1 1 0 8 0 amappl6 112 23 0 20 1 0 1 1 0 8 0 amappl5 104 458 0 441 1 0 1 1 0 8 0 amappl4 96 493 0 466 1 0 1 1 0 8 0 amappl3 88 118 0 113 1 0 1 1 0 8 0 amappl2 80 3620 0 3549 2 0 2 2 0 8 0 amappl1 72 22006 0 21568 23 13 10 18 0 8 0 amappl 80 1621 0 1575 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 12 0 4 1 0 1 1 0 8 0 uaddrrnd 24 556 0 540 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 556 0 540 1 0 1 1 0 8 0 vmmpekpl 168 8177 0 8145 2 0 2 2 0 8 0 vmmpepl 168 74828 0 72754 121 24 97 111 0 357 3 vmsppl 368 555 0 540 2 0 2 2 0 8 0 pdppl 4096 1119 0 1080 8 2 6 6 0 8 1 pvpl 32 204329 0 184026 175 6 169 169 0 265 4 pmappl 232 555 0 540 2 1 1 2 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 290 0 13 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(ffffffff826ebff0) 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_pc() at __sanitizer_cov_trace_pc+0x36 kd_curproc sys/dev/kcov.c:411 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x36 sys/dev/kcov.c:79 intr_handler(ffff800020ee80a0,ffff80000004a400) at intr_handler+0x5e sys/arch/amd64/amd64/intr.c:532 Xintr_ioapic_edge17_untramp() at Xintr_ioapic_edge17_untramp+0x19f end of kernel end trace frame: 0x7f7ffffd5030, count: -6 ddb{0}> machine ddbcpu 1 Stopped at ifa_update_broadaddr+0x1f: movzbl 0(%r15),%r12d ddb{1}> trace ifa_update_broadaddr(ffff800000ac6000,ffff800000b21c00,ffff8000228fc310) at ifa_update_broadaddr+0x1f sys/net/if.c:3070 in_ioctl(80206913,ffff8000228fc300,ffff800000ac6000,1) at in_ioctl+0x5eb sys/netinet/in.c:320 ifioctl(fffffd80642d8b18,80206913,ffff8000228fc300,ffff800020e09768) at ifioctl+0xe70 sys/net/if.c:2282 soo_ioctl(fffffd80681fabf8,80206913,ffff8000228fc300,ffff800020e09768) at soo_ioctl+0x27c sys/kern/sys_socket.c:138 sys_ioctl(ffff800020e09768,ffff8000228fc418,ffff8000228fc460) at sys_ioctl+0x4a5 syscall(ffff8000228fc4e0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000228fc4e0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xd21eba4acb0, count: -7