syzbot


panic: map ADDR end = ADDR, next->start = 0

Status: auto-closed as invalid on 2019/12/27 21:10
Reported-by: syzbot+8b9625ac264972940dee@syzkaller.appspotmail.com
First crash: 1350d, last: 1350d

Sample crash report:
panic: map 0xfffff80012cb9000 end = 28401000, next->start = 0
cpuid = 1
time = 1569704935
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe00244ae190
vpanic() at vpanic+0x1e0/frame 0xfffffe00244ae1f0
panic() at panic+0x43/frame 0xfffffe00244ae250
_vm_map_assert_consistent() at _vm_map_assert_consistent+0x226/frame 0xfffffe00244ae2b0
vm_map_lookup_entry() at vm_map_lookup_entry+0x374/frame 0xfffffe00244ae330
vm_map_lookup() at vm_map_lookup+0x13e/frame 0xfffffe00244ae430
vm_fault() at vm_fault+0x7b/frame 0xfffffe00244ae5c0
vm_fault_trap() at vm_fault_trap+0xd7/frame 0xfffffe00244ae620
trap_pfault() at trap_pfault+0x404/frame 0xfffffe00244ae6a0
trap() at trap+0x44f/frame 0xfffffe00244ae7c0
calltrap() at calltrap+0x8/frame 0xfffffe00244ae7c0
--- trap 0xc, rip = 0xffffffff818877b7, rsp = 0xfffffe00244ae890, rbp = 0xfffffe00244ae890 ---
copyin_nosmap_erms() at copyin_nosmap_erms+0x187/frame 0xfffffe00244ae890
freebsd32_sendmsg() at freebsd32_sendmsg+0x4bf/frame 0xfffffe00244ae970
ia32_syscall() at ia32_syscall+0x46a/frame 0xfffffe00244aeab0
int0x80_syscall_common() at int0x80_syscall_common+0x9c/frame 0x8142fef
KDB: enter: panic
[ thread pid 4344 tid 100533 ]
Stopped at      kdb_enter+0x6a: movq    $0,kdb_why

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets Manager Title
2019/09/28 21:09 freebsd 4ed8c797237c eb6b9855 console log report ci-freebsd-i386
* Struck through repros no longer work on HEAD.