WARNING in tracing_func

Title	Replies (including bot)	Last reply
WARNING in tracing_func_proto	5 (6)	2020/03/06 06:54

Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
linux-4.19	WARNING in tracing_func_proto				2	523d	523d	0/1	auto-obsoleted due to no activity on 2023/03/24 19:29

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Could not allocate percpu trace_printk buffer
WARNING: CPU: 1 PID: 31332 at kernel/trace/trace.c:3112 alloc_percpu_trace_buffer kernel/trace/trace.c:3112 [inline]
WARNING: CPU: 1 PID: 31332 at kernel/trace/trace.c:3112 trace_printk_init_buffers+0x5b/0x60 kernel/trace/trace.c:3126
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 31332 Comm: syz-executor.5 Not tainted 5.5.0-syzkaller #0
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+0x197/0x210 lib/dump_stack.c:118
 panic+0x2e3/0x75c kernel/panic.c:221
 __warn.cold+0x2f/0x3e kernel/panic.c:582
 report_bug+0x289/0x300 lib/bug.c:195
 fixup_bug arch/x86/kernel/traps.c:176 [inline]
 fixup_bug arch/x86/kernel/traps.c:171 [inline]
 do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:269
 do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:288
 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1027
RIP: 0010:alloc_percpu_trace_buffer kernel/trace/trace.c:3112 [inline]
RIP: 0010:trace_printk_init_buffers+0x5b/0x60 kernel/trace/trace.c:3126
Code: ff be 04 00 00 00 bf 04 10 00 00 e8 af 50 25 00 48 85 c0 0f 85 e8 37 00 00 e8 51 58 fb ff 48 c7 c7 40 77 2f 88 e8 74 b0 cb ff <0f> 0b eb c2 90 55 48 89 e5 41 57 49 c7 c7 40 5e 2f 88 41 56 49 89
RSP: 0018:ffffc900015f7528 EFLAGS: 00010282
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000007b2e RSI: ffffffff815e8ea6 RDI: fffff520002bee97
RBP: ffffc900015f7538 R08: ffff88808cb54440 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff88307ac0
R13: ffffffff88307500 R14: 0000000000000006 R15: ffff8880903a0000
 bpf_get_trace_printk_proto kernel/trace/bpf_trace.c:457 [inline]
 tracing_func_proto.isra.0+0x15c/0x1a0 kernel/trace/bpf_trace.c:813
 raw_tp_prog_func_proto+0x53/0x70 kernel/trace/bpf_trace.c:1171
 check_helper_call+0x123/0x4920 kernel/bpf/verifier.c:4236
 do_check kernel/bpf/verifier.c:8026 [inline]
 do_check_common+0x6811/0x9730 kernel/bpf/verifier.c:9631
 do_check_main kernel/bpf/verifier.c:9695 [inline]
 bpf_check+0x76f0/0xa36e kernel/bpf/verifier.c:10095
 bpf_prog_load+0xea4/0x1820 kernel/bpf/syscall.c:2101
 __do_sys_bpf+0x1521/0x41e0 kernel/bpf/syscall.c:3396
 __se_sys_bpf kernel/bpf/syscall.c:3355 [inline]
 __x64_sys_bpf+0x73/0xb0 kernel/bpf/syscall.c:3355
 do_syscall_64+0xfa/0x790 arch/x86/entry/common.c:294
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45b349
Code: ad b6 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 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fe911c94c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007fe911c956d4 RCX: 000000000045b349
RDX: 0000000000000048 RSI: 0000000020000080 RDI: 0000000000000005
RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 0000000000000064 R14: 00000000004c1b5a R15: 000000000075c07c
Kernel Offset: disabled
Rebooting in 86400 seconds..

Time	Kernel	Commit	Syzkaller	Config	Log	Report	Manager
2020/01/31 09:06	bpf	2577e373bbc0	5ed23f9a	.config	console log	report	ci-upstream-bpf-kasan-gce
2020/01/19 03:54	bpf	1712b2fff8c6	bc8bc756	.config	console log	report	ci-upstream-bpf-kasan-gce
2020/01/14 02:09	net-next-old	428cd5232482	32881205	.config	console log	report	ci-upstream-net-kasan-gce