====================================== | [ 670.983853] #PF: supervisor read access in kernel mode | [ 670.983900] #PF: error_code(0x0000) - not-present page | [ 670.983940] PGD d8a4067 P4D d8a4067 PUD ca2e067 PMD 0 | [ 670.983985] Oops: Oops: 0000 [#1] PREEMPT SMP NOPTI [ 670.984106] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 670.984158] RIP: 0010:ets_class_leaf (net/sched/sch_ets.c:273) sch_ets [ 670.984203] Code: f6 74 25 8b 87 a0 01 00 00 48 39 c6 73 1a 48 8d 44 b6 fb 48 c1 e0 04 48 8d 84 07 c0 01 00 00 48 8b 40 10 c3 cc cc cc cc 31 c0 <48> 8b 40 10 c3 cc cc cc cc 66 90 90 90 90 90 90 90 90 90 90 90 90 All code ======== 0: f6 74 25 8b divb -0x75(%rbp,%riz,1) 4: 87 a0 01 00 00 48 xchg %esp,0x48000001(%rax) a: 39 c6 cmp %eax,%esi c: 73 1a jae 0x28 e: 48 8d 44 b6 fb lea -0x5(%rsi,%rsi,4),%rax 13: 48 c1 e0 04 shl $0x4,%rax 17: 48 8d 84 07 c0 01 00 lea 0x1c0(%rdi,%rax,1),%rax 1e: 00 1f: 48 8b 40 10 mov 0x10(%rax),%rax 23: c3 ret 24: cc int3 25: cc int3 26: cc int3 27: cc int3 28: 31 c0 xor %eax,%eax 2a:* 48 8b 40 10 mov 0x10(%rax),%rax <-- trapping instruction 2e: c3 ret 2f: cc int3 30: cc int3 31: cc int3 32: cc int3 33: 66 90 xchg %ax,%ax 35: 90 nop 36: 90 nop 37: 90 nop 38: 90 nop 39: 90 nop 3a: 90 nop 3b: 90 nop 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop Code starting with the faulting instruction =========================================== 0: 48 8b 40 10 mov 0x10(%rax),%rax 4: c3 ret 5: cc int3 6: cc int3 7: cc int3 8: cc int3 9: 66 90 xchg %ax,%ax b: 90 nop c: 90 nop d: 90 nop e: 90 nop f: 90 nop 10: 90 nop 11: 90 nop 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop [ 670.984333] RSP: 0018:ffffaf75407ef9e0 EFLAGS: 00010246 [ 670.984385] RAX: 0000000000000000 RBX: ffffaf75407efb60 RCX: 0000000000000002 [ 670.984443] RDX: 0000000000000000 RSI: 0000000000000003 RDI: ffff908201fe8000 [ 670.984500] RBP: ffff908201fe8000 R08: 0000000000000438 R09: ffffaf75407efb60 [ 670.984558] R10: ffffaf75407efa08 R11: 0000000000000011 R12: ffff90820637b800 [ 670.984618] R13: 0000000000100003 R14: ffffffff9072a340 R15: ffff908201f4d000 [ 670.984695] FS: 00007f1b99582800(0000) GS:ffff90823ec00000(0000) knlGS:0000000000000000 [ 670.984751] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 670.984815] CR2: 0000000000000010 CR3: 0000000008952001 CR4: 0000000000772ef0 [ 670.984874] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 670.984955] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 670.985029] PKRU: 55555554 [ 670.985046] Call Trace: [ 670.985065] [ 670.985088] ? __die (arch/x86/kernel/dumpstack.c:421 arch/x86/kernel/dumpstack.c:434) [ 670.985125] ? page_fault_oops (arch/x86/mm/fault.c:715) [ 670.985157] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:37 ./arch/x86/include/asm/irqflags.h:92 arch/x86/mm/fault.c:1489 arch/x86/mm/fault.c:1539) [ 670.985189] ? asm_exc_page_fault (./arch/x86/include/asm/idtentry.h:623) [ 670.985234] ? ets_class_leaf (net/sched/sch_ets.c:273) sch_ets [ 670.985283] tc_modify_qdisc (net/sched/sch_api.c:1642) [ 670.985322] rtnetlink_rcv_msg (net/core/rtnetlink.c:6920) [ 670.985355] ? get_page_from_freelist (mm/page_alloc.c:1039 mm/page_alloc.c:1556 mm/page_alloc.c:1566 mm/page_alloc.c:3476) [ 670.985394] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6814) [ 670.985435] netlink_rcv_skb (net/netlink/af_netlink.c:2543) [ 670.985467] netlink_unicast (net/netlink/af_netlink.c:1322 net/netlink/af_netlink.c:1348) [ 670.985499] netlink_sendmsg (net/netlink/af_netlink.c:1892) [ 670.985535] ____sys_sendmsg (net/socket.c:713 net/socket.c:728 net/socket.c:2596) [ 670.985582] ? copy_msghdr_from_user (net/socket.c:2536) [ 670.985623] ___sys_sendmsg (net/socket.c:2652) [ 670.985654] ? ___sys_recvmsg (net/socket.c:2861) [ 670.985680] __sys_sendmsg (net/socket.c:2682) [ 670.985706] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 670.985739] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 670.985780] RIP: 0033:0x7f1b998aa9a7 [ 670.985812] Code: 0a 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0a 00 or (%rax),%al 2: f7 d8 neg %eax 4: 64 89 02 mov %eax,%fs:(%rdx) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 670.985965] RSP: 002b:00007ffff270f088 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 670.986024] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f1b998aa9a7 [ 670.986076] RDX: 0000000000000000 RSI: 00007ffff270f0f0 RDI: 0000000000000005 [ 670.986128] RBP: 000000000047d8c0 R08: 0000000000000014 R09: 0000000000000000 [ 670.986203] R10: 00007f1b99763708 R11: 0000000000000246 R12: 00007ffff271f3d0 Finger prints: ets_class_leaf:tc_modify_qdisc:rtnetlink_rcv_msg:netlink_rcv_skb:netlink_unicast