panic: receive 1: so ADDR, so_type 3, sb_cc 2878

[syzbot]

Hello,

syzbot found the following crash on:

HEAD commit: f8b03e9c typo
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=12ee25c9e00000
kernel config: https://syzkaller.appspot.com/x/.config?x=fe55924c11e64b0a
dashboard link: https://syzkaller.appspot.com/bug?extid=b1f7c6fa005accbd3d5d

Unfortunately, I don't have any reproducer for this crash yet.

IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+b1f7c6...@syzkaller.appspotmail.com

panic: receive 1: so 0xfffffd805e556000, so_type 3, sb_cc 2878
Stopped at db_enter+0x18: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*138643 15787 0 0 0 0 dhclient
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic(ffffffff821a4f02) at panic+0x15c sys/kern/subr_prf.c:207
soreceive(fffffd805e556000,0,ffff80001d382c98,0,0,ffff80001d382ba4) at soreceive+0x16ac sys/kern/uipc_socket.c:823
soo_read(fffffd80693fe3c0,ffff80001d382c98,0) at soo_read+0x53 sys/kern/sys_socket.c:70
dofilereadv(ffff80001d3494e8,6,ffff80001d382c98,0,ffff80001d382d80) at dofilereadv+0x1a2 sys/kern/sys_generic.c:236
sys_read(ffff80001d3494e8,ffff80001d382d30,ffff80001d382d80) at sys_read+0x83 sys/kern/sys_generic.c:156
syscall(ffff80001d382e00) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7fffff5700, 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.


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[Anton Lindqvist]

#syz dup: panic: receive 1: so ADDR, so_type 3, sb_cc 6586