WARNING in bpf_base_func

Title	Replies (including bot)	Last reply
Reminder: 36 open syzbot bugs in "net/bpf" subsystem	1 (1)	2019/07/03 06:01
Reminder: 30 open syzbot bugs in "net/bpf" subsystem	1 (1)	2019/06/24 05:01
WARNING in bpf_base_func_proto	0 (1)	2019/05/31 08:54

Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
upstream	WARNING in bpf_base_func_proto (2) trace				2	1826d	1856d	0/28	auto-closed as invalid on 2020/05/28 18:48

upstream

WARNING in bpf_base_func_proto (2) trace

1826d

1856d

0/28

auto-closed as invalid on 2020/05/28 18:48

------------[ cut here ]------------ Could not allocate percpu trace_printk buffer WARNING: CPU: 0 PID: 26679 at kernel/trace/trace.c:3004 alloc_percpu_trace_buffer kernel/trace/trace.c:3004 [inline] WARNING: CPU: 0 PID: 26679 at kernel/trace/trace.c:3004 trace_printk_init_buffers+0x5b/0x60 kernel/trace/trace.c:3018 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 26679 Comm: syz-executor.1 Not tainted 5.2.0-rc1+ #2 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x172/0x1f0 lib/dump_stack.c:113 panic+0x2cb/0x744 kernel/panic.c:218 __warn.cold+0x20/0x4d kernel/panic.c:575 report_bug+0x263/0x2b0 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:179 [inline] fixup_bug arch/x86/kernel/traps.c:174 [inline] do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:272 do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:291 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:986 RIP: 0010:alloc_percpu_trace_buffer kernel/trace/trace.c:3004 [inline] RIP: 0010:trace_printk_init_buffers+0x5b/0x60 kernel/trace/trace.c:3018 Code: ff be 04 00 00 00 bf 04 10 00 00 e8 7f 2a 21 00 48 85 c0 0f 85 8c 35 00 00 e8 91 71 fb ff 48 c7 c7 40 9a 6f 87 e8 03 b7 cd ff <0f> 0b eb c2 90 55 48 89 e5 41 57 49 c7 c7 e0 80 6f 87 41 56 49 89 RSP: 0018:ffff888063fbf6a8 EFLAGS: 00010286 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000008c4e RSI: ffffffff815ac7e6 RDI: ffffed100c7f7ec7 RBP: ffff888063fbf6b8 R08: ffff88809eaea280 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff8771a560 R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000006 bpf_get_trace_printk_proto+0xe/0x20 kernel/trace/bpf_trace.c:335 bpf_base_func_proto net/core/filter.c:5850 [inline] bpf_base_func_proto+0x199/0x1b0 net/core/filter.c:5812 sk_filter_func_proto+0x69/0x90 net/core/filter.c:5921 cg_skb_func_proto+0x43/0xe0 net/core/filter.c:5949 check_helper_call kernel/bpf/verifier.c:3240 [inline] do_check+0x513f/0xa950 kernel/bpf/verifier.c:6765 bpf_check+0x67c8/0x8fb0 kernel/bpf/verifier.c:8261 bpf_prog_load+0xdbe/0x1500 kernel/bpf/syscall.c:1683 __do_sys_bpf+0xe03/0x43d0 kernel/bpf/syscall.c:2813 __se_sys_bpf kernel/bpf/syscall.c:2772 [inline] __x64_sys_bpf+0x73/0xb0 kernel/bpf/syscall.c:2772 do_syscall_64+0xfd/0x680 arch/x86/entry/common.c:301 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x459279 Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f21ef383c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459279 RDX: 0000000000000070 RSI: 0000000020000100 RDI: 0000000000000005 RBP: 000000000075bfc0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f21ef3846d4 R13: 00000000004bf658 R14: 00000000004d09d8 R15: 00000000ffffffff Kernel Offset: disabled Rebooting in 86400 seconds..