panic: pool_do_get: shmpl free list modified: page 0xfffffd806d9ee000; item addr 0xfffffd806d9eebd0; offset 0x40=0x69e5e2a6 Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *462473 31845 32767 0x10 0x4000000 0K syz-executor 437489 36043 32767 0x10 0x4000000 1 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff8344780b) at panic+0x1e5 sys/kern/subr_prf.c:198 pool_do_get(ffffffff83a2ce20,1,ffff800035bc1c98) at pool_do_get+0x5df pool_get(ffffffff83a2ce20,1) at pool_get+0x162 sys/kern/subr_pool.c:-1 shmget_allocate_segment(ffff80003c406a90,ffff800035bc1ef0,85,ffff800035bc1e40) at shmget_allocate_segment+0x1af sys/kern/sysv_shm.c:-1 sys_shmget(ffff80003c406a90,ffff800035bc1ef0,ffff800035bc1e40) at sys_shmget+0x195 sys/kern/sysv_shm.c:484 syscall(ffff800035bc1ef0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800035bc1ef0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x87163264ea0, 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 0xfffffd806d9ee000; item addr 0xfffffd806d9eebd0; offset 0x40=0x69e5e2a6 ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff8344780b) at panic+0x1e5 sys/kern/subr_prf.c:198 pool_do_get(ffffffff83a2ce20,1,ffff800035bc1c98) at pool_do_get+0x5df pool_get(ffffffff83a2ce20,1) at pool_get+0x162 sys/kern/subr_pool.c:-1 shmget_allocate_segment(ffff80003c406a90,ffff800035bc1ef0,85,ffff800035bc1e40) at shmget_allocate_segment+0x1af sys/kern/sysv_shm.c:-1 sys_shmget(ffff80003c406a90,ffff800035bc1ef0,ffff800035bc1e40) at sys_shmget+0x195 sys/kern/sysv_shm.c:484 syscall(ffff800035bc1ef0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800035bc1ef0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x87163264ea0, count: -8 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff800035bc1ac0 rbx 0xffffffff838b4e07 cpu_info_full_primary+0x2e07 rdx 0 rcx 0xffff80003c406a90 rax 0xffffffff838b3ff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x2e1ce296af371cce r11 0x664084847e7442af r12 0xffffffff838b4c08 cpu_info_full_primary+0x2c08 r13 0 r14 0 r15 0x1 rip 0xffffffff826be7f5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff800035bc1ab0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=462473 pid=31845 tcnt=4 stat=onproc flags process=10 proc=4000000 runpri=32, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003c407258,0xffff80003c406570 process=0xffff80003b7f09c0 user=0xffff800035bbc000, vmspace=0xfffffd800f88d030 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 31845 180901 38557 32767 2 0x10 syz-executor *31845 462473 38557 32767 7 0x4000010 syz-executor 31845 487611 38557 32767 2 0x4000010 syz-executor 31845 139992 38557 32767 2 0x4000010 syz-executor 36043 74555 1061 32767 2 0x10 syz-executor 36043 437489 1061 32767 7 0x4000010 syz-executor 36043 59100 1061 32767 3 0x4000090 fsleep syz-executor 36043 282015 1061 32767 3 0x4000090 fsleep syz-executor 74780 150635 85890 32767 3 0x90 nanoslp syz-executor 74780 373280 85890 32767 3 0x4000090 fsleep syz-executor 74780 492028 85890 32767 3 0x4000090 sbwait syz-executor 74780 437902 85890 32767 3 0x4000090 fsleep syz-executor 30546 283918 26334 32767 3 0x90 nanoslp syz-executor 53831 84279 62693 32767 3 0x10 biowait syz-executor 1061 279598 32004 32767 3 0x90 nanoslp syz-executor 33642 65342 96574 32767 3 0x10 getblk syz-executor 1041 484926 60807 32767 3 0x10 getblk syz-executor 87565 105998 70505 32767 3 0x10 biowait syz-executor 38557 370117 43101 32767 3 0x90 nanoslp syz-executor 85890 322749 23599 32767 3 0x90 nanoslp syz-executor 62693 74783 46462 0 3 0x82 wait syz-executor 70505 63250 46462 0 3 0x82 wait syz-executor 43101 286356 46462 0 3 0x82 wait syz-executor 23599 441765 46462 0 3 0x82 wait syz-executor 32004 167622 46462 0 3 0x82 wait syz-executor 26334 368607 46462 0 3 0x82 wait syz-executor 96574 326036 46462 0 3 0x82 wait syz-executor 60807 215147 46462 0 3 0x82 wait syz-executor 46462 510749 87169 0 3 0x82 kqread syz-executor 87169 498377 92170 0 3 0x10008a sigsusp ksh 92170 491515 24099 0 3 0x98 kqread sshd-session 24099 465758 43929 0 3 0x92 kqread sshd-session 49964 122967 1 0 3 0x100083 ttyin getty 43929 478445 1 0 3 0x88 kqread sshd 10548 280032 52029 73 3 0x1100090 kqread syslogd 52029 126033 1 0 3 0x100082 sbwait syslogd 81704 474415 1 0 3 0x100080 kqread resolvd 62075 261872 7778 77 3 0x100092 kqread dhcpleased 57396 458789 7778 77 3 0x100092 kqread dhcpleased 7778 279836 1 0 3 0x80 kqread dhcpleased 64864 293532 0 0 3 0x14200 bored smr 73721 62506 0 0 3 0x14200 pgzero zerothread 87057 227802 0 0 3 0x14200 aiodoned aiodoned 75266 334940 0 0 3 0x14200 syncer update 60042 473409 0 0 3 0x14200 cleaner cleaner 49283 45849 0 0 3 0x14200 reaper reaper 46740 149198 0 0 3 0x14200 pgdaemon pagedaemon 85219 210361 0 0 3 0x14200 bored viomb 86140 509400 0 0 3 0x40014200 acpi0 acpi0 95783 114861 0 0 3 0x40014200 idle1 20859 46639 0 0 3 0x14200 bored softnet1 30730 513120 0 0 3 0x14200 bored softnet0 19041 308498 0 0 3 0x14200 bored systqmp 48846 374265 0 0 3 0x14200 bored systq 25240 247401 0 0 3 0x14200 tmoslp softclockmp 5461 338753 0 0 3 0x40014200 tmoslp softclock 97494 310185 0 0 3 0x40014200 idle0 1 400507 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive mutex shmpl r = 0 (0xffffffff83a2ce38) #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 pool_get+0x124 sys/kern/subr_pool.c:585 #3 shmget_allocate_segment+0x1af sys/kern/sysv_shm.c:-1 #4 sys_shmget+0x195 sys/kern/sysv_shm.c:484 #5 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #5 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #6 Xsyscall+0x128 Process 31845 (syz-executor) thread 0xffff80003c406a90 (462473) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff8399aec0) #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:783 #2 Xsyscall+0x128 exclusive mutex shmpl r = 0 (0xffffffff83a2ce38) #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 pool_get+0x124 sys/kern/subr_pool.c:585 #3 shmget_allocate_segment+0x1af sys/kern/sysv_shm.c:-1 #4 sys_shmget+0x195 sys/kern/sysv_shm.c:484 #5 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #5 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #6 Xsyscall+0x128 Process 53831 (syz-executor) thread 0xffff8000397dca80 (84279) exclusive rrwlock inode r = 0 (0xfffffd806e7b16d8) #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:3143 #10 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806d41b8d0) #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:576 #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:3128 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #9 Xsyscall+0x128 Process 33642 (syz-executor) thread 0xffff8000fffefca0 (65342) exclusive rrwlock inode r = 0 (0xfffffd806c6d11e8) #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:576 #5 vget+0x2a2 sys/kern/vfs_subr.c:686 #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+0x98a sys/kern/vfs_lookup.c:567 #11 namei+0x7ca sys/kern/vfs_lookup.c:250 #12 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1887 #13 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806cef98c8) #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:576 #5 vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1 #6 namei+0x7ca sys/kern/vfs_lookup.c:250 #7 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1887 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #9 Xsyscall+0x128 Process 1041 (syz-executor) thread 0xffff8000fffef4d8 (484926) exclusive rrwlock inode r = 0 (0xfffffd806c6d1a00) #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:576 #5 vget+0x2a2 sys/kern/vfs_subr.c:686 #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+0x98a sys/kern/vfs_lookup.c:567 #11 namei+0x7ca sys/kern/vfs_lookup.c:250 #12 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1887 #13 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806d96e670) #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:576 #5 vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1 #6 namei+0x7ca sys/kern/vfs_lookup.c:250 #7 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1887 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #9 Xsyscall+0x128 Process 87565 (syz-executor) thread 0xffff8000fffee7e0 (105998) exclusive rrwlock inode r = 0 (0xfffffd806e7b1928) #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:576 #5 vget+0x2a2 sys/kern/vfs_subr.c:686 #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+0x98a sys/kern/vfs_lookup.c:567 #11 namei+0x7ca sys/kern/vfs_lookup.c:250 #12 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1887 #13 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806d41b9f8) #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:576 #5 vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1 #6 namei+0x7ca sys/kern/vfs_lookup.c:250 #7 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1887 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #9 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11059 12019K 12034K 166960K 12150 0 pcb 17 12K 12K 166960K 17 0 rtable 241 6K 7K 166960K 354 0 pf 31 16K 16K 166960K 31 0 ifaddr 42 7K 7K 166960K 44 0 ifgroup 50 2K 2K 166960K 50 0 sysctl 3 1K 9K 166960K 7 0 counters 70 37K 37K 166960K 70 0 ioctlops 0 0K 2K 166960K 35 0 iov 0 0K 12K 166960K 9 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1287 81K 81K 166960K 1355 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 3 5K 9K 166960K 6 0 VM map 2 1K 1K 166960K 2 0 sem 9 0K 1K 166960K 14 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 22 81K 125K 166960K 249 0 sigio 0 0K 0K 166960K 4 0 proc 61 115K 147K 166960K 527 0 subproc 72 4K 4K 166960K 72 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 38 0 in_multi 99 7K 7K 166960K 101 0 ether_multi 1 0K 0K 166960K 2 0 mrt 0 0K 0K 166960K 4 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 97 440K 440K 166960K 97 0 exec 0 0K 1K 166960K 371 0 fusefs mount 1 32K 32K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 241 175K 195K 166960K 3979 0 UVM aobj 6 2K 2K 166960K 7 0 pinsyscall 43 86K 113K 166960K 1313 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 5 0 NDP 11 0K 2K 166960K 27 0 temp 38 9078K 9206K 166960K 4262 0 kqueue 13 20K 28K 166960K 50 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 41 0 38 1 0 1 1 0 8 0 rtentry 176 113 0 1 6 0 6 6 0 8 0 unpcb 144 83 0 66 2 0 2 2 0 8 1 syncache 336 4 0 4 1 0 1 1 0 8 1 tcpcb 736 53 0 49 1 0 1 1 0 8 0 arp 136 18 0 0 1 0 1 1 0 8 0 ipq 40 2 0 1 1 0 1 1 0 8 0 ipqe 40 3 0 2 1 0 1 1 0 8 0 inpcb 328 185 0 178 2 0 2 2 0 8 1 ip6q 72 2 0 1 1 0 1 1 0 8 0 ip6af 40 3 0 2 1 0 1 1 0 8 0 nd6 152 26 0 0 1 0 1 1 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 456 0 0 29 0 29 29 0 8 0 art_table 40 457 0 0 5 0 5 5 0 8 0 art_node 32 113 0 11 1 0 1 1 0 8 0 sysvmsgpl 40 2 0 1 1 0 1 1 0 8 0 semapl 112 10 0 3 1 0 1 1 0 8 0 shmpl 112 4 0 1 1 0 1 1 0 8 0 pool(0xffffffff83a2ce20:shmpl): page inconsistency: page 0xfffffd806d9ee000; 31 on list, 3 missing, 35 items per page dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1707 0 245 92 0 92 92 0 8 0 ffsino 296 1707 0 245 113 0 113 113 0 8 0 nchpl 144 2054 0 370 63 0 63 63 0 8 0 vnodes 216 1788 0 0 100 0 100 100 0 8 0 namei 1024 6493 0 6492 2 0 2 2 0 8 1 percpumem 16 50 0 0 1 0 1 1 0 8 0 kstatmem 264 25 0 0 2 0 2 2 0 8 0 scxspl 216 6739 0 6737 4 1 3 3 1 8 2 plimitpl 152 45 0 21 2 0 2 2 0 8 1 sigapl 424 536 0 486 7 0 7 7 0 8 0 knotepl 120 528 0 0 16 0 16 16 0 8 0 kqueuepl 224 48 0 38 1 0 1 1 0 8 0 pipepl 344 129 0 102 3 0 3 3 0 8 0 fdescpl 528 520 0 486 4 0 4 4 0 8 0 filepl 160 2200 0 1990 11 0 11 11 0 8 0 lockfpl 104 34 0 32 1 0 1 1 0 8 0 lockfspl 48 15 0 13 1 0 1 1 0 8 0 sessionpl 144 29 0 13 1 0 1 1 0 8 0 pgrppl 48 39 0 15 1 0 1 1 0 8 0 ucredpl 104 252 0 233 1 0 1 1 0 8 0 zombiepl 144 487 0 486 1 0 1 1 0 8 0 processpl 1232 536 0 486 5 0 5 5 0 8 0 procpl 664 734 0 675 7 0 7 7 0 8 1 sosppl 176 2 0 2 1 0 1 1 0 8 1 sockpl 752 309 0 282 5 0 5 5 0 8 1 mcl64k 65536 3 0 0 1 0 1 1 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 112 0 0 14 0 14 14 0 8 0 mcl2k 2048 18 0 0 3 0 3 3 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 187 0 0 12 0 12 12 0 8 0 bufpl 280 2356 0 102 161 0 161 161 0 8 0 anonpl 32 7391 0 0 60 0 60 60 0 246 0 amapchunkpl 152 11558 0 11040 25 0 25 25 0 158 1 amappl16 200 2384 0 2281 14 4 10 14 0 8 4 amappl15 192 20 0 20 1 1 0 1 0 8 0 amappl14 184 404 0 403 1 0 1 1 0 8 0 amappl13 176 115 0 105 1 0 1 1 0 8 0 amappl12 168 748 0 715 2 0 2 2 0 8 0 amappl11 160 28 0 28 1 1 0 1 0 8 0 amappl10 152 59 0 49 1 0 1 1 0 8 0 amappl9 144 259 0 259 1 1 0 1 0 8 0 amappl8 136 97 0 94 1 0 1 1 0 8 0 amappl7 128 180 0 169 1 0 1 1 0 8 0 amappl6 120 157 0 156 1 0 1 1 0 8 0 amappl5 112 105 0 97 1 0 1 1 0 8 0 amappl4 104 254 0 238 1 0 1 1 0 8 0 amappl3 96 2111 0 1990 5 1 4 4 0 8 0 amappl2 88 496 0 445 2 0 2 2 0 8 0 amappl1 80 9894 0 9336 16 0 16 16 0 8 2 amappl 88 3288 0 3113 5 0 5 5 0 92 0 uvmvnodes 80 100 0 0 3 0 3 3 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 128 253 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 72 6 0 1 1 0 1 1 0 8 0 uaddrrnd 24 520 0 486 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 520 0 486 1 0 1 1 0 8 0 vmmpekpl 168 5872 0 5831 2 0 2 2 0 8 0 vmmpepl 168 42117 0 40131 102 0 102 102 0 357 8 vmsppl 488 519 0 486 7 1 6 6 0 8 0 rwobjpl 80 15300 0 14283 25 0 25 25 0 8 2 pdppl 4096 1047 0 972 107 24 83 97 0 8 8 pvpl 32 13914 0 0 114 1 113 113 0 265 0 pmappl 256 519 0 486 4 1 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 275 0 27 8 0 8 8 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(ffffffff8344780b) at panic+0x1e5 sys/kern/subr_prf.c:198 pool_do_get(ffffffff83a2ce20,1,ffff800035bc1c98) at pool_do_get+0x5df pool_get(ffffffff83a2ce20,1) at pool_get+0x162 sys/kern/subr_pool.c:-1 shmget_allocate_segment(ffff80003c406a90,ffff800035bc1ef0,85,ffff800035bc1e40) at shmget_allocate_segment+0x1af sys/kern/sysv_shm.c:-1 sys_shmget(ffff80003c406a90,ffff800035bc1ef0,ffff800035bc1e40) at sys_shmget+0x195 sys/kern/sysv_shm.c:484 syscall(ffff800035bc1ef0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800035bc1ef0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x87163264ea0, count: -8 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff8000299bdff0) 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 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x68 copyout() at copyout+0x64 syscall(ffff80002ff9e080) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002ff9e080) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xa61141659a0, count: 8 ddb{1}> trace x86_ipi_db(ffff8000299bdff0) 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 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x68 copyout() at copyout+0x64 syscall(ffff80002ff9e080) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002ff9e080) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xa61141659a0, count: -7