login: panic: pool_do_put: lockfpl: double pool_put: 0xffffff001692bd18
Stopped at db_enter+0xa: popq %rbp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
db_enter() at db_enter+0xa
panic() at panic+0x147
pool_do_put(ffffff001692bd18,ffffffff81ec0850) at pool_do_put+0x2e2
pool_put(ffffff0016933440,ffff80000e3793e8) at pool_put+0x37
lf_advlock(40,ffffff001dc251c8,2,ffff80000e3793e8,ffffffff81df26c0,200000040) a
t lf_advlock+0x270
VOP_ADVLOCK(ffffff0015a96da8,ffff80000e2a3080,3,ffffff001f7ca350,3) at VOP_ADVL
OCK+0x67
closef(ffff80000e2a3080,ffffff001f7ca350) at closef+0xaf
fdfree(ffff80000e27c008) at fdfree+0x98
exit1(ffff80000e3795c0,ffff80000e2a3080,ffff80000e27c008) at exit1+0x226
sys_exit(ffffffff81558913,ffff80000e3794e0,ffff80000e3795c0) at sys_exit+0x13
syscall(0) at syscall+0x3e4
Xsyscall(6,1,0,1,0,7f7ffffed840) at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffed7f0, count: 3
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> trace
db_enter() at db_enter+0xa
panic() at panic+0x147
pool_do_put(ffffff001692bd18,ffffffff81ec0850) at pool_do_put+0x2e2
pool_put(ffffff0016933440,ffff80000e3793e8) at pool_put+0x37
lf_advlock(40,ffffff001dc251c8,2,ffff80000e3793e8,ffffffff81df26c0,200000040) a
t lf_advlock+0x270
VOP_ADVLOCK(ffffff0015a96da8,ffff80000e2a3080,3,ffffff001f7ca350,3) at VOP_ADVL
OCK+0x67
closef(ffff80000e2a3080,ffffff001f7ca350) at closef+0xaf
fdfree(ffff80000e27c008) at fdfree+0x98
exit1(ffff80000e3795c0,ffff80000e2a3080,ffff80000e27c008) at exit1+0x226
sys_exit(ffffffff81558913,ffff80000e3794e0,ffff80000e3795c0) at sys_exit+0x13
syscall(0) at syscall+0x3e4
Xsyscall(6,1,0,1,0,7f7ffffed840) at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffed7f0, count: -12
ddb> show registers
rdi 0xffffffff81e13608 kprintf_mutex
rsi 0x7ffec13f
rbp 0xffff80000e379180
rbx 0xffff80000e379220
rdx 0xc
rcx 0xffffffff81e919f8 rdrand_tmo
rax 0
r8 0xffff80000e379150
r9 0x8080808080808080
r10 0xffff80000e378fb8
r11 0x8
r12 0x3000000008
r13 0xffff80000e379190
r14 0x100
r15 0xffffffff81d3c0f9 owctr_fams+0x285
rip 0xffffffff816dce0a db_enter+0xa
cs 0x8
rflags 0x246
rsp 0xffff80000e379180
ss 0x10
db_enter+0xa: popq %rbp