Date: Sun, 13 Dec 2020 12:52:02 +0000 From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 251803] rctl -a user:test:readiops:throttle=0/user crash the system Message-ID: <bug-251803-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D251803 Bug ID: 251803 Summary: rctl -a user:test:readiops:throttle=3D0/user crash the system Product: Base System Version: 12.2-RELEASE Hardware: amd64 OS: Any Status: New Severity: Affects Only Me Priority: --- Component: kern Assignee: bugs@FreeBSD.org Reporter: chris@cretaforce.gr When I run: rctl -a user:test:readiops:throttle=3D0/user the system crash: Fatal trap 18: integer divide fault while in kernel mode cpuid =3D 4; apic id =3D 04 instruction pointer =3D 0x20:0xffffffff80bb2fb7 stack pointer =3D 0x28:0xfffffe00c5b42200 frame pointer =3D 0x28:0xfffffe00c5b422a0 code segment =3D base 0x0, limit 0xfffff, type 0x1b =3D DPL 0, pres 1, long 1, def32 0, gran 1 processor eflags =3D interrupt enabled, resume, IOPL =3D 0 current process =3D 53057 (bash) trap number =3D 18 panic: integer divide fault cpuid =3D 4 time =3D 1607862919 KDB: stack backtrace: #0 0xffffffff80c0a8f5 at kdb_backtrace+0x65 #1 0xffffffff80bbeb1b at vpanic+0x17b #2 0xffffffff80bbe993 at panic+0x43 #3 0xffffffff8108f911 at trap_fatal+0x391 #4 0xffffffff8108ed97 at trap+0x67 #5 0xffffffff81066f38 at calltrap+0x8 #6 0xffffffff80bb03df at racct_add_buf+0x26f #7 0xffffffff80c6c0ea at breadn_flags+0xda #8 0xffffffff80c70a5f at vfs_bio_getpages+0x33f #9 0xffffffff80ed01a7 at ffs_getpages+0x77 #10 0xffffffff8124911b at VOP_GETPAGES_APV+0x7b #11 0xffffffff80f1c932 at vnode_pager_getpages+0x72 #12 0xffffffff80f13382 at vm_pager_get_pages+0x22 #13 0xffffffff80b78018 at exec_map_first_page+0x2a8 #14 0xffffffff80b76965 at kern_execve+0x2c5 #15 0xffffffff80b7635c at sys_execve+0x4c #16 0xffffffff810904c7 at amd64_syscall+0x387 #17 0xffffffff8106785e at fast_syscall_common+0xf8 Uptime: 3m41s --=20 You are receiving this mail because: You are the assignee for the bug.=
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