panic: pool_do_get: shmpl free list modified: page 0xfffffd80635a3000; item addr 0xfffffd80635a3d28; offset 0x0=0x0 != 0x97cf4599f86bc60f Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *153768 63162 0 0 0x4000000 0K syz-executor 288844 12010 0 0x2 0x1 1 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833ab0c5) at panic+0x1e5 sys/kern/subr_prf.c:198 pool_do_get(ffffffff839c0090,1,ffff80002a3f14e8) at pool_do_get+0x597 sys/kern/subr_pool.c:743 pool_get(ffffffff839c0090,1) at pool_get+0x162 sys/kern/subr_pool.c:-1 shmget_allocate_segment(ffff80002a2b6fb0,ffff80002a3f1740,172,ffff80002a3f1690) at shmget_allocate_segment+0x1af sys/kern/sysv_shm.c:-1 sys_shmget(ffff80002a2b6fb0,ffff80002a3f1740,ffff80002a3f1690) at sys_shmget+0x195 sys/kern/sysv_shm.c:482 syscall(ffff80002a3f1740) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a3f1740) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x75cc4dc4570, count: 7 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{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic *cpu0: pool_do_get: shmpl free list modified: page 0xfffffd80635a3000; item addr 0xfffffd80635a3d28; offset 0x0=0x0 != 0x97cf4599f86bc60f ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833ab0c5) at panic+0x1e5 sys/kern/subr_prf.c:198 pool_do_get(ffffffff839c0090,1,ffff80002a3f14e8) at pool_do_get+0x597 sys/kern/subr_pool.c:743 pool_get(ffffffff839c0090,1) at pool_get+0x162 sys/kern/subr_pool.c:-1 shmget_allocate_segment(ffff80002a2b6fb0,ffff80002a3f1740,172,ffff80002a3f1690) at shmget_allocate_segment+0x1af sys/kern/sysv_shm.c:-1 sys_shmget(ffff80002a2b6fb0,ffff80002a3f1740,ffff80002a3f1690) at sys_shmget+0x195 sys/kern/sysv_shm.c:482 syscall(ffff80002a3f1740) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a3f1740) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x75cc4dc4570, count: -8 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80002a3f1310 rbx 0xffffffff837a9ddf cpu_info_full_primary+0x2ddf rdx 0 rcx 0xffff80002a2b6fb0 rax 0xffffffff837a8ff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x79645c0fdf3af7d1 r11 0x133caebd465f2b30 r12 0xffffffff837a9be0 cpu_info_full_primary+0x2be0 r13 0 r14 0 r15 0x1 rip 0xffffffff820653b5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002a3f1300 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=153768 pid=63162 tcnt=3 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003c4667f8,0xffff80002a2b62c8 process=0xffff800039826240 user=0xffff80002a3ec000, vmspace=0xfffffd806b964200 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 61688 318766 39009 0 2 0 syz-executor 36695 409822 93879 0 2 0 syz-executor 36695 432351 93879 0 3 0x4000000 biowait syz-executor 49312 489028 44895 0 2 0 syz-executor 49312 134900 44895 0 3 0x4000080 fsleep syz-executor 63162 120074 24575 0 2 0 syz-executor *63162 153768 24575 0 7 0x4000000 syz-executor 63162 387935 24575 0 3 0x4000080 fsleep syz-executor 7654 51433 60926 0 2 0 syz-executor 7654 24528 60926 0 3 0x4000080 fsleep syz-executor 93879 480179 12010 0 3 0x82 nanoslp syz-executor 44895 444562 12010 0 3 0x82 nanoslp syz-executor 97003 404238 1 0 3 0x100083 ttyin getty 24575 308479 12010 0 3 0x82 nanoslp syz-executor 21855 272619 12010 0 2 0x2 syz-executor 74676 13716 12010 0 3 0x2 biowait syz-executor 60926 351161 12010 0 3 0x82 nanoslp syz-executor 63793 391102 0 0 3 0x14200 bored sosplice 82757 146561 12010 0 3 0x2 biowait syz-executor 39009 286501 12010 0 3 0x82 nanoslp syz-executor 12010 288844 44125 0 7 0x3 syz-executor 44125 195215 26069 0 3 0x10008a sigsusp ksh 26069 407067 14553 0 3 0x98 kqread sshd-session 14553 503529 69229 0 3 0x92 kqread sshd-session 69229 146378 1 0 3 0x88 kqread sshd 31652 19302 37481 74 3 0x1100092 bpf pflogd 37481 68916 1 0 3 0x80 sbwait pflogd 89472 280313 87650 73 3 0x1100090 kqread syslogd 87650 412534 1 0 3 0x100082 sbwait syslogd 90429 56808 1 0 3 0x100080 kqread resolvd 5120 285184 19844 77 3 0x100092 kqread dhcpleased 37037 474096 19844 77 3 0x100092 kqread dhcpleased 19844 444734 1 0 3 0x80 kqread dhcpleased 6114 65108 0 0 3 0x14200 pause smr 6639 251638 0 0 2 0x14200 zerothread 91144 472720 0 0 3 0x14200 aiodoned aiodoned 71864 181329 0 0 3 0x14200 syncer update 85672 418054 0 0 3 0x14200 cleaner cleaner 68138 120975 0 0 3 0x14200 reaper reaper 24490 205356 0 0 3 0x14200 pgdaemon pagedaemon 42666 226810 0 0 3 0x14200 bored viomb 78361 221925 0 0 3 0x40014200 acpi0 acpi0 35392 289172 0 0 3 0x40014200 idle1 51384 21281 0 0 3 0x14200 bored softnet7 67204 504219 0 0 3 0x14200 bored softnet6 33044 202505 0 0 3 0x14200 bored softnet5 55267 141857 0 0 3 0x14200 bored softnet4 46047 128477 0 0 3 0x14200 bored softnet3 47026 200213 0 0 3 0x14200 bored softnet2 9560 23076 0 0 3 0x14200 bored softnet1 17458 514867 0 0 3 0x14200 bored softnet0 45372 223654 0 0 3 0x14200 bored systqmp 34396 322151 0 0 3 0x14200 bored systq 95495 484738 0 0 3 0x14200 tmoslp softclockmp 67636 449192 0 0 3 0x40014200 tmoslp softclock 53985 431831 0 0 3 0x40014200 idle0 1 134463 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive mutex shmpl r = 0 (0xffffffff839c00a8) #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_try+0x1ad sys/kern/kern_lock.c:311 #2 mtx_enter+0x62 sys/kern/kern_lock.c:261 #3 pool_get+0x124 sys/kern/subr_pool.c:581 #4 shmget_allocate_segment+0x1af sys/kern/sysv_shm.c:-1 #5 sys_shmget+0x195 sys/kern/sysv_shm.c:482 #6 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 #7 Xsyscall+0x128 Process 36695 (syz-executor) thread 0xffff80003c4667f8 (432351) exclusive rrwlock inode r = 0 (0xfffffd8072a14da8) #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+0xa3 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:748 #9 Xsyscall+0x128 Process 63162 (syz-executor) thread 0xffff80002a2b6fb0 (153768) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff839145a0) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 syscall+0xaf4 mi_syscall sys/sys/syscall_mi.h:175 [inline] #1 syscall+0xaf4 sys/arch/amd64/amd64/trap.c:748 #2 Xsyscall+0x128 exclusive mutex shmpl r = 0 (0xffffffff839c00a8) #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_try+0x1ad sys/kern/kern_lock.c:311 #2 mtx_enter+0x62 sys/kern/kern_lock.c:261 #3 pool_get+0x124 sys/kern/subr_pool.c:581 #4 shmget_allocate_segment+0x1af sys/kern/sysv_shm.c:-1 #5 sys_shmget+0x195 sys/kern/sysv_shm.c:482 #6 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 #7 Xsyscall+0x128 Process 21855 (syz-executor) thread 0xffff80002a3f94f8 (272619) exclusive rwlock vmmaplk r = 0 (0xfffffd8068f338c0) #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 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5168 #3 uvmspace_fork+0x12b sys/uvm/uvm_map.c:3738 #4 process_new+0x577 sys/kern/kern_fork.c:282 #5 fork1+0x3f6 sys/kern/kern_fork.c:-1 #6 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 #7 Xsyscall+0x128 exclusive rwlock vmmaplk r = 0 (0xfffffd806b964e70) #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 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5168 #3 uvmspace_fork+0x44 sys/uvm/uvm_map.c:3729 #4 process_new+0x577 sys/kern/kern_fork.c:282 #5 fork1+0x3f6 sys/kern/kern_fork.c:-1 #6 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 #7 Xsyscall+0x128 Process 74676 (syz-executor) thread 0xffff80003c466560 (13716) exclusive rrwlock inode r = 0 (0xfffffd806a993d98) #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+0xa3 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:748 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806e18a808) #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+0xa3 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:748 #9 Xsyscall+0x128 Process 82757 (syz-executor) thread 0xffff8000ffff27d8 (146561) exclusive rrwlock inode r = 0 (0xfffffd8072a14c80) #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+0xa3 sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vget+0x2a2 sys/kern/vfs_subr.c:693 #6 ufs_ihashget+0x185 sys/ufs/ufs/ufs_ihash.c:98 #7 ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1203 #8 ufs_lookup+0x1a36 sys/ufs/ufs/ufs_lookup.c:478 #9 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x93a sys/kern/vfs_lookup.c:566 #11 namei+0x7ca sys/kern/vfs_lookup.c:250 #12 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1868 #13 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8072a14a30) #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+0xa3 sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vget+0x2a2 sys/kern/vfs_subr.c:693 #6 cache_lookup+0x351 sys/kern/vfs_cache.c:222 #7 ufs_lookup+0x1e3 sys/ufs/ufs/ufs_lookup.c:160 #8 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #9 vfs_lookup+0x93a sys/kern/vfs_lookup.c:566 #10 namei+0x7ca sys/kern/vfs_lookup.c:250 #11 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1868 #12 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #12 syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 #13 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10264 11133K 11853K 166960K 15503 0 pcb 17 18K 20K 166960K 948 0 rtable 207 13K 13K 166960K 891 0 pf 41 19K 67486K 166960K 373 0 ifaddr 39 7K 9K 166960K 214 0 ifgroup 59 2K 3K 166960K 381 0 sysctl 4 1K 9K 166960K 104 0 counters 70 37K 38K 166960K 394 0 ioctlops 0 0K 4K 166960K 2090 0 iov 0 0K 32K 166960K 163 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1712 108K 108K 166960K 4831 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 16K 24K 166960K 43 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 1K 166960K 111 0 dirhash 12 2K 2K 166960K 69 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 16 57K 102K 166960K 3105 0 sigio 1 0K 0K 166960K 108 0 proc 72 115K 164K 166960K 1081 0 subproc 72 4K 4K 166960K 163 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 436 0 in_multi 76 5K 7K 166960K 327 0 ether_multi 1 0K 0K 166960K 28 0 mrt 1 0K 0K 166960K 17 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 271 1208K 1208K 166960K 271 0 exec 0 0K 1K 166960K 993 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 8 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 231 176K 200K 166960K 29865 0 UVM aobj 71 6K 6K 166960K 80 0 pinsyscall 41 82K 104K 166960K 4489 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 189 0 NDP 13 0K 2K 166960K 155 0 temp 82 8652K 8908K 166960K 176007 0 kqueue 13 20K 30K 166960K 614 0 SYN cache 2 16K 16K 166960K 2 0 ddb{0}> 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 120 433 0 430 7 4 3 3 0 8 2 rtentry 176 261 0 191 5 0 5 5 0 8 0 unpcb 144 1969 0 1952 11 5 6 6 0 8 5 syncache 336 12 0 12 5 5 0 1 0 8 0 tcpqe 32 3 0 3 3 3 0 1 0 8 0 tcpcb 736 938 0 933 23 17 6 7 0 8 5 arp 128 29 0 18 1 0 1 1 0 8 0 inpcb 328 3911 0 3903 38 28 10 12 0 8 8 nd6 144 48 0 37 1 0 1 1 0 8 0 pkpcb 40 28 0 28 5 4 1 1 0 8 1 kcovpl 48 18 0 10 1 0 1 1 0 8 0 mppekey 1024 1 0 1 1 1 0 1 0 8 0 ppxss 1192 123 0 123 4 3 1 1 0 8 1 pppxif 1504 12 0 12 4 4 0 1 0 8 0 pfstscr 40 12 0 10 2 1 1 1 0 8 0 pffrag 232 18 0 8 1 0 1 1 0 482 0 pffrnode 88 15 0 6 1 0 1 1 0 8 0 pffrent 40 27 0 17 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 68 0 68 4 4 0 1 0 8 0 pfanchor 1288 5 0 0 1 0 1 1 0 8 0 pftag 88 1 0 0 1 0 1 1 0 8 0 pfstitem 24 62 0 52 1 0 1 1 0 8 0 pfstkey 128 78 0 66 2 0 2 2 0 8 0 pfstate 384 69 0 60 6 0 6 6 0 8 0 pfrule 1344 42 0 36 2 1 1 2 0 8 0 rttmr 136 3 0 3 2 2 0 1 0 8 0 art_heap8 4096 5 0 1 5 1 4 5 0 8 0 art_heap4 256 1264 0 915 35 13 22 30 0 8 0 art_table 40 1269 0 916 5 0 5 5 0 8 0 art_node 32 258 0 199 1 0 1 1 0 8 0 sysvmsgpl 40 18 0 14 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 105 0 95 1 0 1 1 0 8 0 shmpl 112 77 0 10 2 0 2 2 0 8 0 shmpl: pool(0xffffffff839c0090:shmpl): free list modified: page 0xfffffd80635a3000; item ordinal 0; addr 0xfffffd80635a3d28 (p 0xfffffd80635a3000); offset 0x0=0x0 shmpl: pool(0xffffffff839c0090:shmpl): page inconsistency: page 0xfffffd80635a3000; item ordinal 1; addr 0xb8ec11da08e78fca dirhash 1024 55 0 38 3 0 3 3 0 8 0 dino2pl 256 7285 0 5753 96 0 96 96 0 8 0 ffsino 296 7285 0 5753 119 0 119 119 0 8 0 nchpl 144 11511 0 10947 64 38 26 64 0 8 0 rtmask 32 25 0 25 6 5 1 1 0 8 1 uvmvnodes 80 8207 0 0 168 0 168 168 0 8 0 vnodes 216 8207 0 0 456 0 456 456 0 8 0 namei 1024 42397 0 42396 7 6 1 2 0 8 0 percpumem 16 212 0 162 1 0 1 1 0 8 0 kstatmem 264 242 0 212 7 4 3 3 0 8 0 scsiplug 72 10 0 10 6 5 1 1 0 8 1 scxspl 216 85075 0 85072 13 12 1 8 1 8 0 plimitpl 152 722 0 705 1 0 1 1 0 8 0 sigapl 424 3400 0 3347 7 0 7 7 0 8 0 knotepl 120 788 0 0 23 0 23 23 0 8 0 kqueuepl 224 1329 0 1318 20 15 5 5 0 8 4 pipepl 344 615 0 588 12 8 4 12 0 8 0 fdescpl 528 3369 0 3339 3 0 3 3 0 8 0 filepl 160 25056 0 24841 37 19 18 21 0 8 6 lockfpl 104 1415 0 1413 2 1 1 2 0 8 0 lockfspl 48 628 0 626 1 0 1 1 0 8 0 sessionpl 144 43 0 34 1 0 1 1 0 8 0 pgrppl 48 144 0 127 1 0 1 1 0 8 0 ucredpl 104 4174 0 4161 1 0 1 1 0 8 0 zombiepl 144 3930 0 3930 3 2 1 1 0 8 1 processpl 1248 3400 0 3347 5 0 5 5 0 8 0 procpl 664 8406 0 8348 8 1 7 7 0 8 0 sosppl 168 18 0 18 6 5 1 1 0 8 1 sockpl 752 6426 0 6398 61 49 12 24 0 8 8 mcl64k 65536 8 0 0 1 0 1 1 0 8 0 mcl16k 16384 5 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 112 0 0 14 0 14 14 0 8 0 mcl2k2 2112 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 48 0 0 6 0 6 6 0 8 0 mtagpl 96 25 0 0 1 0 1 1 0 8 0 mbufpl 256 1076 0 0 64 0 64 64 0 8 0 bufpl 280 35760 0 29505 448 0 448 448 0 8 0 anonpl 32 20622 0 0 166 0 166 166 0 246 0 amapchunkpl 152 103392 0 102828 74 35 39 39 0 158 8 amappl16 200 14067 0 13744 144 101 43 50 0 8 8 amappl15 192 18 0 18 2 2 0 1 0 8 0 amappl14 184 158 0 146 1 0 1 1 0 8 0 amappl13 176 8 0 8 2 2 0 1 0 8 0 amappl12 168 4181 0 4152 3 1 2 2 0 8 0 amappl11 160 51 0 37 1 0 1 1 0 8 0 amappl10 152 38 0 36 1 0 1 1 0 8 0 amappl9 144 248 0 248 1 1 0 1 0 8 0 amappl8 136 23 0 20 1 0 1 1 0 8 0 amappl7 128 140 0 128 1 0 1 1 0 8 0 amappl6 120 289 0 285 1 0 1 1 0 8 0 amappl5 112 165 0 155 1 0 1 1 0 8 0 amappl4 104 355 0 336 1 0 1 1 0 8 0 amappl3 96 20972 0 20873 5 1 4 4 0 8 0 amappl2 88 891 0 821 2 0 2 2 0 8 0 amappl1 80 23130 0 22540 16 1 15 15 0 8 0 amappl 88 28492 0 28336 5 0 5 5 0 92 0 dma65536 65536 1 0 1 1 1 0 1 0 8 0 dma32768 32768 1 0 1 1 1 0 1 0 8 0 dma8192 8192 1 0 1 1 1 0 1 0 8 0 dma4096 4096 2 0 2 2 2 0 1 0 8 0 dma2048 2048 1 0 1 1 1 0 1 0 8 0 dma1024 1024 3 0 2 1 0 1 1 0 8 0 dma256 256 7 0 7 2 2 0 1 0 8 0 dma128 128 256 0 256 4 4 0 1 0 8 0 dma64 64 7 0 7 2 2 0 1 0 8 0 dma32 32 9 0 9 3 2 1 1 0 8 1 dma16 16 19 0 18 1 0 1 1 0 8 0 aobjpl 72 79 0 9 2 0 2 2 0 8 0 uaddrrnd 24 3369 0 3339 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 3369 0 3339 1 0 1 1 0 8 0 vmmpekpl 168 26175 0 26133 3 0 3 3 0 8 0 vmmpepl 168 220247 0 218032 185 54 131 131 0 357 6 vmsppl 488 3368 0 3339 5 0 5 5 0 8 0 rwobjpl 80 66647 0 57150 202 2 200 200 0 8 0 pdppl 4096 6746 0 6678 118 44 74 84 0 8 6 pvpl 32 31909 0 0 258 1 257 257 0 265 0 pmappl 256 3368 0 3339 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 392 0 95 9 0 9 9 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833ab0c5) at panic+0x1e5 sys/kern/subr_prf.c:198 pool_do_get(ffffffff839c0090,1,ffff80002a3f14e8) at pool_do_get+0x597 sys/kern/subr_pool.c:743 pool_get(ffffffff839c0090,1) at pool_get+0x162 sys/kern/subr_pool.c:-1 shmget_allocate_segment(ffff80002a2b6fb0,ffff80002a3f1740,172,ffff80002a3f1690) at shmget_allocate_segment+0x1af sys/kern/sysv_shm.c:-1 sys_shmget(ffff80002a2b6fb0,ffff80002a3f1740,ffff80002a3f1690) at sys_shmget+0x195 sys/kern/sysv_shm.c:482 syscall(ffff80002a3f1740) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a3f1740) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x75cc4dc4570, count: -8 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff8000299edff0) 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 __mp_lock(ffffffff83914398) at __mp_lock+0x199 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff83914398) at __mp_lock+0x199 sys/kern/kern_lock.c:165 ktrsysret(ffff80002a2b8018,3,0,ffff80002a30d120) at ktrsysret+0xde ktrwrite2 sys/kern/kern_ktrace.c:-1 [inline] ktrsysret(ffff80002a2b8018,3,0,ffff80002a30d120) at ktrsysret+0xde sys/kern/kern_ktrace.c:209 syscall(ffff80002a30d1d0) at syscall+0xa50 mi_syscall_return sys/sys/syscall_mi.h:204 [inline] syscall(ffff80002a30d1d0) at syscall+0xa50 sys/arch/amd64/amd64/trap.c:769 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x772489305330, count: 8 ddb{1}> trace x86_ipi_db(ffff8000299edff0) 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 __mp_lock(ffffffff83914398) at __mp_lock+0x199 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff83914398) at __mp_lock+0x199 sys/kern/kern_lock.c:165 ktrsysret(ffff80002a2b8018,3,0,ffff80002a30d120) at ktrsysret+0xde ktrwrite2 sys/kern/kern_ktrace.c:-1 [inline] ktrsysret(ffff80002a2b8018,3,0,ffff80002a30d120) at ktrsysret+0xde sys/kern/kern_ktrace.c:209 syscall(ffff80002a30d1d0) at syscall+0xa50 mi_syscall_return sys/sys/syscall_mi.h:204 [inline] syscall(ffff80002a30d1d0) at syscall+0xa50 sys/arch/amd64/amd64/trap.c:769 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x772489305330, count: -7