syzbot

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Could not allocate percpu trace_printk buffer
WARNING: CPU: 0 PID: 9764 at kernel/trace/trace.c:2847 alloc_percpu_trace_buffer kernel/trace/trace.c:2847 [inline]
WARNING: CPU: 0 PID: 9764 at kernel/trace/trace.c:2847 trace_printk_init_buffers+0x55/0x60 kernel/trace/trace.c:2861
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 9764 Comm: syz-executor.3 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 panic+0x26a/0x50e kernel/panic.c:186
 __warn.cold+0x20/0x5a kernel/panic.c:541
 report_bug+0x262/0x2b0 lib/bug.c:183
 fixup_bug arch/x86/kernel/traps.c:178 [inline]
 fixup_bug arch/x86/kernel/traps.c:173 [inline]
 do_error_trap+0x1d7/0x310 arch/x86/kernel/traps.c:296
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1038
RIP: 0010:alloc_percpu_trace_buffer kernel/trace/trace.c:2847 [inline]
RIP: 0010:trace_printk_init_buffers+0x55/0x60 kernel/trace/trace.c:2861
Code: ff be 04 00 00 00 bf 04 10 00 00 e8 35 1e 21 00 48 85 c0 0f 85 44 52 8d 06 e8 d7 93 fb ff 48 c7 c7 40 65 6e 88 e8 b0 cb 8b 06 <0f> 0b eb c4 0f 1f 80 00 00 00 00 41 57 49 bf 00 00 00 00 00 fc ff
RSP: 0018:ffff888041227898 EFLAGS: 00010286
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 000000000000c9e6 RSI: ffffffff814dff01 RDI: ffffed1008244f05
RBP: 0000000000000006 R08: 0000000000000000 R09: 00000000000009f5
R10: 0000000000000006 R11: 0000000000000000 R12: ffffffff886f5140
R13: ffff8880abea2040 R14: ffff88804121c000 R15: 0000000000000006
 bpf_get_trace_printk_proto kernel/trace/bpf_trace.c:290 [inline]
 tracing_func_proto.constprop.0+0xf6/0x140 kernel/trace/bpf_trace.c:575
 raw_tp_prog_func_proto+0x48/0x60 kernel/trace/bpf_trace.c:917
 check_helper_call+0x104/0x1b70 kernel/bpf/verifier.c:2516
 do_check kernel/bpf/verifier.c:5425 [inline]
 bpf_check+0x78a5/0x9cc0 kernel/bpf/verifier.c:6508
 bpf_prog_load+0xcce/0x1230 kernel/bpf/syscall.c:1450
 __do_sys_bpf kernel/bpf/syscall.c:2423 [inline]
 __se_sys_bpf+0xf22/0x3a20 kernel/bpf/syscall.c:2384
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fddc59090d9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fddc3e39168 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007fddc5a29120 RCX: 00007fddc59090d9
RDX: 0000000000000048 RSI: 0000000020000080 RDI: 0000000000000005
RBP: 00007fddc5964ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc2643314f R14: 00007fddc3e39300 R15: 0000000000022000
Kernel Offset: disabled
Rebooting in 86400 seconds..