1TITLE: Fatal trap 12: page fault while in kernel mode in sctp_sosend 2 3Fatal trap 12: page fault while in kernel mode 4cpuid = 3; apic id = 03 5fault virtual address = 0xfffff7ffb48e19a8 6fault code = supervisor read data, page not present 7instruction pointer = 0x20:0xffffffff80edd52a 8stack pointer = 0x28:0xfffffe009524a7a0 9frame pointer = 0x28:0xfffffe009524a7a0 10code segment = base 0x0, limit 0xfffff, type 0x1b 11 = DPL 0, pres 1, long 1, def32 0, gran 1 12processor eflags = interrupt enabled, resume, IOPL = 0 13current process = 40394 (syz-executor1) 14trap number = 12 15panic: page fault 16cpuid = 3 17KDB: stack backtrace: 18#0 0xffffffff80aada97 at kdb_backtrace+0x67 19#1 0xffffffff80a6bb76 at vpanic+0x186 20#2 0xffffffff80a6b9e3 at panic+0x43 21#3 0xffffffff80edf832 at trap_fatal+0x322 22#4 0xffffffff80edf889 at trap_pfault+0x49 23#5 0xffffffff80edf0c6 at trap+0x286 24#6 0xffffffff80ec3641 at calltrap+0x8 25#7 0xffffffff80ae96e1 at m_copydata+0x61 26#8 0xffffffff80c05ba7 at sctp_sosend+0x157 27#9 0xffffffff80afa411 at kern_sendit+0x291 28#10 0xffffffff80afa773 at sendit+0x1a3 29#11 0xffffffff80afa831 at sys_sendmsg+0x61 30#12 0xffffffff80ee0394 at amd64_syscall+0x6c4 31#13 0xffffffff80ec392b at Xfast_syscall+0xfb 32