Hello,
syzbot found the following crash on:
HEAD commit: 5446f43e Pull in r360099 from upstream llvm trunk (by Eli ..
git tree: freebsd
console output:
https://syzkaller.appspot.com/x/log.txt?x=10d7bf58a00000
dashboard link:
https://syzkaller.appspot.com/bug?extid=c9b6206303bf47bac87e
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+c9b620...@syzkaller.appspotmail.com
panic: Most recently used by tty
cpuid = 0
time = 100
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame
0xfffffe0024ba8690
vpanic() at vpanic+0x1e0/frame 0xfffffe0024ba86f0
panic() at panic+0x43/frame 0xfffffe0024ba8750
mtrash_ctor() at mtrash_ctor+0xed/frame 0xfffffe0024ba8790
uma_zalloc_arg() at uma_zalloc_arg+0x1036/frame 0xfffffe0024ba8840
malloc() at malloc+0xe1/frame 0xfffffe0024ba88b0
tty_alloc_mutex() at tty_alloc_mutex+0x22c/frame 0xfffffe0024ba88e0
pts_alloc() at pts_alloc+0x179/frame 0xfffffe0024ba8930
sys_posix_openpt() at sys_posix_openpt+0x94/frame 0xfffffe0024ba8970
ia32_syscall() at ia32_syscall+0x452/frame 0xfffffe0024ba8ab0
int0x80_syscall_common() at int0x80_syscall_common+0x9c/frame 0xa
KDB: enter: panic
[ thread pid 2923 tid 100932 ]
Stopped at kdb_enter+0x6a: movq $0,kdb_why
---
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