panic: kernel diagnostic assertion "rn != NULL" failed: file "/syzkaller/managers/multicore/kernel/sys/net/pipex.c", line 459 Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 512828 35409 0 0x2 0 0 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833b604c) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833f1796,ffffffff834107ec,1cb,ffffffff833ad513) at __assert+0x29 sys/kern/subr_prf.c:-1 pipex_unlink_session_locked(ffff80002ebc5bf0) at pipex_unlink_session_locked+0x429 pipex_destroy_all_sessions(ffff8000015ea000) at pipex_destroy_all_sessions+0xd9 pipex_rele_session sys/net/pipex.c:-1 [inline] pipex_destroy_all_sessions(ffff8000015ea000) at pipex_destroy_all_sessions+0xd9 sys/net/pipex.c:151 pppacclose(637e,81,2000,ffff8000fffe2558) at pppacclose+0x16f sys/net/if_pppx.c:1335 spec_close(ffff80003c437240) at spec_close+0x417 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd805de45368,81,fffffd80097fd8f0,ffff8000fffe2558) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd8065012938,ffff8000fffe2558) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd8065012938,ffff8000fffe2558) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd8065012938,ffff8000fffe2558) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd8065012938,ffff8000fffe2558) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff8000fffe2558) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff8000fffe2558,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff8000fffe2558,ffff80003c4375b0,ffff80003c437500) at sys_exit+0x1a sys/kern/kern_exit.c:-1 end trace frame: 0xffff80003c4375a0, 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{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic *cpu1: kernel diagnostic assertion "rn != NULL" failed: file "/syzkaller/managers/multicore/kernel/sys/net/pipex.c", line 459 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833b604c) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833f1796,ffffffff834107ec,1cb,ffffffff833ad513) at __assert+0x29 sys/kern/subr_prf.c:-1 pipex_unlink_session_locked(ffff80002ebc5bf0) at pipex_unlink_session_locked+0x429 pipex_destroy_all_sessions(ffff8000015ea000) at pipex_destroy_all_sessions+0xd9 pipex_rele_session sys/net/pipex.c:-1 [inline] pipex_destroy_all_sessions(ffff8000015ea000) at pipex_destroy_all_sessions+0xd9 sys/net/pipex.c:151 pppacclose(637e,81,2000,ffff8000fffe2558) at pppacclose+0x16f sys/net/if_pppx.c:1335 spec_close(ffff80003c437240) at spec_close+0x417 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd805de45368,81,fffffd80097fd8f0,ffff8000fffe2558) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd8065012938,ffff8000fffe2558) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd8065012938,ffff8000fffe2558) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd8065012938,ffff8000fffe2558) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd8065012938,ffff8000fffe2558) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff8000fffe2558) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff8000fffe2558,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff8000fffe2558,ffff80003c4375b0,ffff80003c437500) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c4375b0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c4375b0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7385bec780f0, count: -16 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80003c437010 rbx 0xffff8000299dee07 rdx 0 rcx 0xffff8000fffe2558 rax 0xffff8000299ddff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xa762cadc4def02d6 r11 0x7899f4db599196c0 r12 0xffff8000299dec08 r13 0 r14 0 r15 0x1 rip 0xffffffff81b22065 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c437000 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=465488 pid=31794 tcnt=0 stat=onproc flags process=1008 proc=2000 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff8000fffe2558 scnt=-1 ecnt=1 forw=0xffffffffffffffff, list=0xffff8000fffe22c0,0xffff8000fffe8a90 process=0xffff8000fffe4020 user=0xffff80003c432000, vmspace=0xfffffd806c98fb88 estcpu=36, cpticks=5, pctcpu=0.0, user=0, sys=2, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 94196 327527 202 0 2 0 syz-executor 94196 392720 202 0 3 0x4000080 fsleep syz-executor 94196 468753 202 0 3 0x4000080 fsleep syz-executor 94196 47671 202 0 3 0x4000080 fsleep syz-executor 48334 38559 34048 0 2 0 syz-executor 48334 87295 34048 0 3 0x4000080 bell syz-executor 48334 32703 34048 0 3 0x4000080 rest syz-executor 79542 275385 63313 0 3 0x80 nanoslp syz-executor 79542 370067 63313 0 3 0x4000080 fsleep syz-executor 79542 23716 63313 0 3 0x4000080 lockf syz-executor 79542 117564 63313 0 3 0x4000080 fsleep syz-executor 79542 446882 63313 0 3 0x4000080 fsleep syz-executor 35332 428662 68620 0 3 0x3000 suspend syz-executor 35332 480933 68620 0 2 0x4081000 syz-executor 68584 158770 74718 0 3 0x3000 suspend syz-executor 68584 302064 74718 0 2 0x4081000 syz-executor 68584 157534 74718 0 3 0x4081000 inode syz-executor 94536 226796 35409 0 3 0x82 nanoslp syz-executor 34048 357561 35409 0 3 0x82 nanoslp syz-executor 41261 295611 35409 0 3 0x2 biowait syz-executor 63313 291860 35409 0 3 0x82 nanoslp syz-executor 68620 207797 35409 0 3 0x82 nanoslp syz-executor 33287 143448 35409 0 3 0x2 biowait syz-executor 202 446030 35409 0 3 0x82 nanoslp syz-executor 74718 74708 35409 0 3 0x82 nanoslp syz-executor 35409 512828 40827 0 7 0x2 syz-executor 40827 52247 5425 0 3 0x10008a sigsusp ksh 5425 246269 43390 0 3 0x98 kqread sshd-session 43390 239132 26348 0 3 0x92 kqread sshd-session 69755 65640 1 0 3 0x100083 ttyopn getty 26348 417998 1 0 3 0x88 kqread sshd 71014 91864 21564 74 3 0x1100092 bpf pflogd 21564 120674 1 0 3 0x80 sbwait pflogd 62203 443354 16001 73 3 0x1100090 kqread syslogd 16001 494952 1 0 3 0x100082 sbwait syslogd 62562 266422 1 0 2 0x100001 resolvd 32708 210602 54773 77 2 0x100012 dhcpleased 71827 78391 54773 77 3 0x100092 kqread dhcpleased 54773 292098 1 0 3 0x80 kqread dhcpleased 20518 156782 0 0 3 0x14200 bored smr 25354 367804 0 0 3 0x14200 pgzero zerothread 30862 255893 0 0 3 0x14200 aiodoned aiodoned 46818 273912 0 0 3 0x14200 syncer update 18880 20572 0 0 3 0x14200 cleaner cleaner 38812 486884 0 0 3 0x14200 reaper reaper 87899 52498 0 0 3 0x14200 pgdaemon pagedaemon 3383 269715 0 0 3 0x14200 bored viomb 55695 74379 0 0 3 0x40014200 acpi0 acpi0 72230 397909 0 0 3 0x40014200 idle1 44539 313594 0 0 3 0x14200 bored softnet1 44719 348978 0 0 2 0x14200 softnet0 98883 244010 0 0 3 0x14200 bored systqmp 95351 327523 0 0 3 0x14200 bored systq 31281 4110 0 0 3 0x14200 tmoslp softclockmp 8667 496991 0 0 3 0x40014200 tmoslp softclock 98272 50262 0 0 3 0x40014200 idle0 1 278746 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks CPU 0: exclusive mutex &kq->kq_lock r = 0 (0xfffffd807acee0f0) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 mtx_enter+0x4b4 sys/kern/kern_lock.c:487 #2 kqueue_register+0x2c6 sys/kern/kern_event.c:1424 #3 pselregister+0x135 sys/kern/sys_generic.c:760 #4 dopselect+0x456 sys/kern/sys_generic.c:653 #5 sys_pselect+0x25a sys/kern/sys_generic.c:589 #6 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 #7 Xsyscall+0x128 CPU 1: exclusive mutex /syzkaller/managers/multicore/kernel/sys/net/pipex.c:78 r = 0 (0xffffffff838b97f0) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 mtx_enter+0x4b4 sys/kern/kern_lock.c:487 #2 pipex_destroy_all_sessions+0x2f sys/net/pipex.c:144 #3 pppacclose+0x16f sys/net/if_pppx.c:1335 #4 spec_close+0x417 sys/kern/spec_vnops.c:-1 #5 VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 #6 vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] #6 vn_closefile+0x12b sys/kern/vfs_vnops.c:615 #7 fdrop+0x121 sys/kern/kern_descrip.c:1280 #8 closef+0x192 sys/kern/kern_descrip.c:1264 #9 fdfree+0x116 sys/kern/kern_descrip.c:1195 #10 exit1+0x576 sys/kern/kern_exit.c:215 #11 sys_exit+0x1a sys/kern/kern_exit.c:-1 #12 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #12 syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 #13 Xsyscall+0x128 Process 35332 (syz-executor) thread 0xffff8000fffe3cb0 (480933) exclusive rrwlock inode r = 0 (0xfffffd806e932d58) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vn_write+0x18f sys/kern/vfs_vnops.c:405 #6 dofilewritev+0x242 sys/kern/sys_generic.c:380 #7 sys_write+0xa2 sys/kern/sys_generic.c:300 #8 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 #9 Xsyscall+0x128 Process 68584 (syz-executor) thread 0xffff8000fffe94e0 (302064) exclusive rrwlock inode r = 0 (0xfffffd806baecec0) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vn_write+0x18f sys/kern/vfs_vnops.c:405 #6 dofilewritev+0x242 sys/kern/sys_generic.c:380 #7 sys_write+0xa2 sys/kern/sys_generic.c:300 #8 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 #9 Xsyscall+0x128 Process 68584 (syz-executor) thread 0xffff8000fffe8550 (157534) exclusive rrwlock inode r = 0 (0xfffffd806baec7d0) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1 #6 namei+0x7ca sys/kern/vfs_lookup.c:250 #7 dofchownat+0xe7 sys/kern/vfs_syscalls.c:2482 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 #9 Xsyscall+0x128 Process 41261 (syz-executor) thread 0xffff80002a27b4d8 (295611) exclusive rrwlock inode r = 0 (0xfffffd806e964590) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 #4 ufs_ihashins+0x4f ufs_ihash sys/ufs/ufs/ufs_ihash.c:-1 [inline] #4 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:159 #5 ffs_vget+0x187 sys/ufs/ffs/ffs_vfsops.c:1232 #6 ffs_inode_alloc+0x279 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_mkdir+0xfc sys/ufs/ufs/ufs_vnops.c:1112 #8 VOP_MKDIR+0x101 sys/kern/vfs_vops.c:394 #9 domkdirat+0x179 sys/kern/vfs_syscalls.c:3113 #10 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806ce8f328) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1 #6 namei+0x7ca sys/kern/vfs_lookup.c:250 #7 domkdirat+0x8b sys/kern/vfs_syscalls.c:3098 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 #9 Xsyscall+0x128 Process 33287 (syz-executor) thread 0xffff80002a2622a8 (143448) exclusive rrwlock inode r = 0 (0xfffffd806e975c58) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 #4 ufs_ihashins+0x4f ufs_ihash sys/ufs/ufs/ufs_ihash.c:-1 [inline] #4 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:159 #5 ffs_vget+0x187 sys/ufs/ffs/ffs_vfsops.c:1232 #6 ffs_inode_alloc+0x279 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_mkdir+0xfc sys/ufs/ufs/ufs_vnops.c:1112 #8 VOP_MKDIR+0x101 sys/kern/vfs_vops.c:394 #9 domkdirat+0x179 sys/kern/vfs_syscalls.c:3113 #10 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806cfdf698) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1 #6 namei+0x7ca sys/kern/vfs_lookup.c:250 #7 domkdirat+0x8b sys/kern/vfs_syscalls.c:3098 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 #9 Xsyscall+0x128 Process 44719 (softnet0) thread 0xffff8000ffffe298 (348978) shared rwlock softnet0 r = 0 (0xffff80000002c078) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 taskq_thread+0x12a sys/kern/kern_task.c:442 #2 proc_trampoline+0x10 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11067 12097K 12422K 166960K 12841 0 pcb 17 14K 16K 166960K 252 0 rtable 246 10K 10K 166960K 654 0 pf 36 17K 18K 166960K 93 0 ifaddr 43 7K 7K 166960K 76 0 ifgroup 57 2K 2K 166960K 109 0 sysctl 4 1K 9K 166960K 11 0 counters 74 37K 38K 166960K 506 0 ioctlops 0 0K 4K 166960K 1835 0 iov 0 0K 16K 166960K 24 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1364 86K 86K 166960K 1959 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 13 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 25 0 dirhash 12 2K 2K 166960K 30 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 16 57K 89K 166960K 707 0 sigio 0 0K 0K 166960K 78 0 proc 72 115K 164K 166960K 637 0 subproc 72 4K 4K 166960K 90 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 62 0 in_multi 89 6K 7K 166960K 150 0 ether_multi 1 0K 0K 166960K 13 0 mrt 3 0K 0K 166960K 22 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 85 387K 387K 166960K 85 0 exec 0 0K 1K 166960K 533 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 261 152K 174K 166960K 8026 0 UVM aobj 24 12K 12K 166960K 26 0 pinsyscall 41 82K 104K 166960K 1891 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 55 0 NDP 13 0K 1K 166960K 51 0 temp 54 8673K 8922K 166960K 26547 0 kqueue 13 20K 34K 166960K 126 0 SYN cache 2 16K 16K 166960K 2 0 ddb{1}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 26 0 0 1 0 1 1 0 8 0 rtpcb 120 71 0 68 1 0 1 1 0 8 0 rtentry 176 161 0 59 6 0 6 6 0 8 0 unpcb 144 276 0 258 1 0 1 1 0 8 0 syncache 336 4 0 4 1 1 0 1 0 8 0 tcpcb 736 251 0 247 13 6 7 7 0 8 6 arp 136 27 0 6 1 0 1 1 0 8 0 inpcb 328 780 0 771 18 11 7 7 0 8 6 nd6 152 32 0 9 1 0 1 1 0 8 0 pkpcb 40 4 0 4 3 2 1 1 0 8 1 kcovpl 48 10 0 2 1 0 1 1 0 8 0 ppxss 1192 212 0 210 1 0 1 1 0 8 0 pppxif 1504 1 0 1 1 1 0 1 0 8 0 pffrag 232 7 0 2 1 0 1 1 0 482 0 pffrnode 88 5 0 1 1 0 1 1 0 8 0 pffrent 40 12 0 7 1 0 1 1 0 8 0 pfosfp 40 1428 0 1005 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfrktable 1344 65 0 65 1 1 0 1 0 8 0 pftag 88 1 0 1 1 1 0 1 0 8 0 pfstitem 24 56 0 9 1 0 1 1 0 8 0 pfstkey 128 56 0 9 2 0 2 2 0 8 0 pfstate 448 56 0 9 6 0 6 6 0 8 0 pfrule 1344 23 0 18 2 1 1 2 0 8 0 rttmr 136 8 0 8 2 2 0 1 0 8 0 art_heap8 4096 4 0 0 4 0 4 4 0 8 0 art_heap4 256 730 0 310 34 7 27 31 0 8 0 art_table 40 734 0 310 5 0 5 5 0 8 0 art_node 32 161 0 71 1 0 1 1 0 8 0 sysvmsgpl 40 6 0 5 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 20 0 10 1 0 1 1 0 8 0 shmpl 112 18 0 2 1 0 1 1 0 8 0 dirhash 1024 29 0 12 3 0 3 3 0 8 0 dino2pl 256 2779 0 1268 95 0 95 95 0 8 0 ffsino 296 2779 0 1268 117 0 117 117 0 8 0 nchpl 144 3714 0 2010 64 0 64 64 0 8 0 rtmask 32 3 0 2 2 1 1 1 0 8 0 vnodes 216 3112 0 0 173 0 173 173 0 8 0 namei 1024 12867 0 12864 2 1 1 1 0 8 0 percpumem 16 268 0 216 1 0 1 1 0 8 0 vcpupl 3968 5 0 0 1 0 1 1 0 8 0 vmpool 848 5 0 0 1 0 1 1 0 8 0 kstatmem 264 64 0 36 5 2 3 3 0 8 1 scsiplug 72 4 0 4 3 2 1 1 0 8 1 scxspl 216 15724 0 15722 10 9 1 8 1 8 0 plimitpl 152 102 0 83 1 0 1 1 0 8 0 sigapl 424 1013 0 967 7 1 6 7 0 8 0 knotepl 120 555 0 0 17 0 17 17 0 8 0 kqueuepl 224 267 0 258 6 5 1 5 0 8 0 pipepl 344 195 0 168 6 0 6 6 0 8 3 fdescpl 528 997 0 967 3 0 3 3 0 8 0 filepl 160 5828 0 5604 17 4 13 15 0 8 1 lockfpl 104 204 0 200 1 0 1 1 0 8 0 lockfspl 48 89 0 86 1 0 1 1 0 8 0 sessionpl 144 25 0 16 1 0 1 1 0 8 0 pgrppl 48 42 0 25 1 0 1 1 0 8 0 ucredpl 104 1172 0 1159 1 0 1 1 0 8 0 zombiepl 144 1002 0 999 1 0 1 1 0 8 0 processpl 1232 1013 0 967 5 0 5 5 0 8 0 procpl 664 1953 0 1895 6 0 6 6 0 8 0 sosppl 176 5 0 5 3 2 1 1 0 8 1 sockpl 752 1143 0 1113 22 12 10 10 0 8 6 mcl64k 65536 17 0 0 3 0 3 3 0 8 0 mcl16k 16384 4 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 5 0 0 1 0 1 1 0 8 0 mcl4k 4096 136 0 0 17 0 17 17 0 8 0 mcl2k 2048 41 0 0 5 0 5 5 0 8 0 mtagpl 96 12 0 0 1 0 1 1 0 8 0 mbufpl 256 259 0 0 17 0 17 17 0 8 0 bufpl 280 5692 0 133 398 0 398 398 0 8 0 anonpl 32 10529 0 0 85 0 85 85 0 246 0 amapchunkpl 152 25909 0 25314 42 12 30 32 0 158 5 amappl16 200 1735 0 1354 29 8 21 21 0 8 0 amappl15 192 1 0 1 1 1 0 1 0 8 0 amappl14 184 1 0 1 1 1 0 1 0 8 0 amappl13 176 449 0 448 1 0 1 1 0 8 0 amappl12 168 1382 0 1341 3 1 2 3 0 8 0 amappl11 160 63 0 63 1 1 0 1 0 8 0 amappl10 152 46 0 32 1 0 1 1 0 8 0 amappl9 144 261 0 261 1 1 0 1 0 8 0 amappl8 136 23 0 21 1 0 1 1 0 8 0 amappl7 128 88 0 87 1 0 1 1 0 8 0 amappl6 120 292 0 278 1 0 1 1 0 8 0 amappl5 112 69 0 59 1 0 1 1 0 8 0 amappl4 104 461 0 431 1 0 1 1 0 8 0 amappl3 96 5111 0 4992 5 1 4 4 0 8 0 amappl2 88 562 0 500 2 0 2 2 0 8 0 amappl1 80 11913 0 11331 15 1 14 14 0 8 0 amappl 88 7167 0 6982 5 0 5 5 0 92 0 uvmvnodes 80 131 0 0 3 0 3 3 0 8 0 dma32768 32768 1 0 1 1 1 0 1 0 8 0 dma16384 16384 1 0 1 1 1 0 1 0 8 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma1024 1024 1 0 0 1 0 1 1 0 8 0 dma256 256 6 0 6 1 1 0 1 0 8 0 dma128 128 254 0 254 2 2 0 1 0 8 0 dma64 64 6 0 6 1 1 0 1 0 8 0 dma32 32 8 0 8 2 2 0 1 0 8 0 dma16 16 18 0 17 1 0 1 1 0 8 0 aobjpl 72 25 0 2 1 0 1 1 0 8 0 uaddrrnd 24 997 0 967 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 997 0 967 1 0 1 1 0 8 0 vmmpekpl 168 9624 0 9577 3 0 3 3 0 8 0 vmmpepl 168 68241 0 65987 111 7 104 104 0 357 0 vmsppl 488 996 0 967 5 0 5 5 0 8 0 rwobjpl 80 19500 0 18035 34 3 31 31 0 8 0 pdppl 4096 2011 0 1939 108 32 76 83 0 8 4 pvpl 32 18604 0 0 151 0 151 151 0 265 0 pmappl 256 1001 0 967 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 318 0 51 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83896ff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x25 kd_curproc sys/dev/kcov.c:584 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x25 sys/dev/kcov.c:153 __mp_lock(ffffffff839bdc00) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff839bdc00) at __mp_lock+0x1a3 sys/kern/kern_lock.c:173 intr_handler(ffff80002a2d40e0,ffff8000002a3480) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:560 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __sanitizer_cov_trace_cmp8(1,44b82fa09) at __sanitizer_cov_trace_cmp8+0x35 kd_curproc sys/dev/kcov.c:585 [inline] __sanitizer_cov_trace_cmp8(1,44b82fa09) at __sanitizer_cov_trace_cmp8+0x35 sys/dev/kcov.c:212 kqueue_sleep(fffffd807acee0e0,ffff80002a2d4650) at kqueue_sleep+0xe0 TIMESPEC_TO_NSEC sys/sys/time.h:432 [inline] kqueue_sleep(fffffd807acee0e0,ffff80002a2d4650) at kqueue_sleep+0xe0 sys/kern/kern_event.c:1605 kqueue_scan(ffff80002a2d4410,8,ffff80002a2d4310,ffff80002a2d4650,ffff8000ffffc008,ffff80002a2d45bc) at kqueue_scan+0x223 sys/kern/kern_event.c:1663 dopselect(ffff8000ffffc008,35,7eff8e80c1e0,0,0,ffff80002a2d4650,eb391de1af2001e7,ffff80002a2d46f0) at dopselect+0x53e sys/kern/sys_generic.c:691 sys_pselect(ffff8000ffffc008,ffff80002a2d47a0,ffff80002a2d46f0) at sys_pselect+0x25a sys/kern/sys_generic.c:589 syscall(ffff80002a2d47a0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a2d47a0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7eff8e80c190, count: 1 ddb{0}> trace x86_ipi_db(ffffffff83896ff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x25 kd_curproc sys/dev/kcov.c:584 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x25 sys/dev/kcov.c:153 __mp_lock(ffffffff839bdc00) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff839bdc00) at __mp_lock+0x1a3 sys/kern/kern_lock.c:173 intr_handler(ffff80002a2d40e0,ffff8000002a3480) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:560 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __sanitizer_cov_trace_cmp8(1,44b82fa09) at __sanitizer_cov_trace_cmp8+0x35 kd_curproc sys/dev/kcov.c:585 [inline] __sanitizer_cov_trace_cmp8(1,44b82fa09) at __sanitizer_cov_trace_cmp8+0x35 sys/dev/kcov.c:212 kqueue_sleep(fffffd807acee0e0,ffff80002a2d4650) at kqueue_sleep+0xe0 TIMESPEC_TO_NSEC sys/sys/time.h:432 [inline] kqueue_sleep(fffffd807acee0e0,ffff80002a2d4650) at kqueue_sleep+0xe0 sys/kern/kern_event.c:1605 kqueue_scan(ffff80002a2d4410,8,ffff80002a2d4310,ffff80002a2d4650,ffff8000ffffc008,ffff80002a2d45bc) at kqueue_scan+0x223 sys/kern/kern_event.c:1663 dopselect(ffff8000ffffc008,35,7eff8e80c1e0,0,0,ffff80002a2d4650,eb391de1af2001e7,ffff80002a2d46f0) at dopselect+0x53e sys/kern/sys_generic.c:691 sys_pselect(ffff8000ffffc008,ffff80002a2d47a0,ffff80002a2d46f0) at sys_pselect+0x25a sys/kern/sys_generic.c:589 syscall(ffff80002a2d47a0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a2d47a0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7eff8e80c190, count: -14 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x25: addq $0x8,%rsp db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833b604c) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833f1796,ffffffff834107ec,1cb,ffffffff833ad513) at __assert+0x29 sys/kern/subr_prf.c:-1 pipex_unlink_session_locked(ffff80002ebc5bf0) at pipex_unlink_session_locked+0x429 pipex_destroy_all_sessions(ffff8000015ea000) at pipex_destroy_all_sessions+0xd9 pipex_rele_session sys/net/pipex.c:-1 [inline] pipex_destroy_all_sessions(ffff8000015ea000) at pipex_destroy_all_sessions+0xd9 sys/net/pipex.c:151 pppacclose(637e,81,2000,ffff8000fffe2558) at pppacclose+0x16f sys/net/if_pppx.c:1335 spec_close(ffff80003c437240) at spec_close+0x417 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd805de45368,81,fffffd80097fd8f0,ffff8000fffe2558) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd8065012938,ffff8000fffe2558) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd8065012938,ffff8000fffe2558) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd8065012938,ffff8000fffe2558) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd8065012938,ffff8000fffe2558) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff8000fffe2558) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff8000fffe2558,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff8000fffe2558,ffff80003c4375b0,ffff80003c437500) at sys_exit+0x1a sys/kern/kern_exit.c:-1 end trace frame: 0xffff80003c4375a0, count: 0 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833b604c) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833f1796,ffffffff834107ec,1cb,ffffffff833ad513) at __assert+0x29 sys/kern/subr_prf.c:-1 pipex_unlink_session_locked(ffff80002ebc5bf0) at pipex_unlink_session_locked+0x429 pipex_destroy_all_sessions(ffff8000015ea000) at pipex_destroy_all_sessions+0xd9 pipex_rele_session sys/net/pipex.c:-1 [inline] pipex_destroy_all_sessions(ffff8000015ea000) at pipex_destroy_all_sessions+0xd9 sys/net/pipex.c:151 pppacclose(637e,81,2000,ffff8000fffe2558) at pppacclose+0x16f sys/net/if_pppx.c:1335 spec_close(ffff80003c437240) at spec_close+0x417 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd805de45368,81,fffffd80097fd8f0,ffff8000fffe2558) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd8065012938,ffff8000fffe2558) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd8065012938,ffff8000fffe2558) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd8065012938,ffff8000fffe2558) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd8065012938,ffff8000fffe2558) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff8000fffe2558) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff8000fffe2558,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff8000fffe2558,ffff80003c4375b0,ffff80003c437500) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c4375b0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c4375b0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7385bec780f0, count: -16