KASAN: vmalloc-out-of-bounds Read in bpf_trace

================================================================== BUG: KASAN: vmalloc-out-of-bounds in __bpf_trace_run kernel/trace/bpf_trace.c:2088 [inline] BUG: KASAN: vmalloc-out-of-bounds in bpf_trace_run7+0x411/0x420 kernel/trace/bpf_trace.c:2130 Read of size 8 at addr ffffc90000e5c030 by task syz-executor460/8508 CPU: 1 PID: 8508 Comm: syz-executor460 Not tainted 5.11.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:79 [inline] dump_stack+0x107/0x163 lib/dump_stack.c:120 print_address_description.constprop.0.cold+0x5/0x2f8 mm/kasan/report.c:230 __kasan_report mm/kasan/report.c:396 [inline] kasan_report.cold+0x79/0xd5 mm/kasan/report.c:413 __bpf_trace_run kernel/trace/bpf_trace.c:2088 [inline] bpf_trace_run7+0x411/0x420 kernel/trace/bpf_trace.c:2130 __bpf_trace_percpu_alloc_percpu+0x1dc/0x220 include/trace/events/percpu.h:10 __traceiter_percpu_alloc_percpu+0x97/0xf0 include/trace/events/percpu.h:10 trace_percpu_alloc_percpu include/trace/events/percpu.h:10 [inline] pcpu_alloc+0xba6/0x16f0 mm/percpu.c:1844 bpf_prog_alloc+0x78/0x250 kernel/bpf/core.c:117 bpf_prog_load+0x656/0x1f40 kernel/bpf/syscall.c:2152 __do_sys_bpf+0x1251/0x4f00 kernel/bpf/syscall.c:4380 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x441659 Code: e8 ac e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 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 8b 09 fc ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007ffebad746f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441659 RDX: 0000000000000078 RSI: 0000000020000200 RDI: 0000000000000005 RBP: 000000000001191b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402470 R13: 0000000000402500 R14: 0000000000000000 R15: 0000000000000000 Memory state around the buggy address: ffffc90000e5bf00: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 ffffc90000e5bf80: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 >ffffc90000e5c000: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 ^ ffffc90000e5c080: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 ffffc90000e5c100: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 ==================================================================

Crashes (8):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Manager	Title
2021/01/20 23:08	bpf-next	7d68e3828842	d4f4eca5	.config	console log	report	syz	C		ci-upstream-bpf-next-kasan-gce	KASAN: vmalloc-out-of-bounds Read in bpf_trace_run7
2021/02/11 07:42	bpf-next	cf2d0a5e788b	a52ee10a	.config	console log	report			info	ci-upstream-bpf-next-kasan-gce	KASAN: vmalloc-out-of-bounds Read in bpf_trace_run7
2021/02/11 04:09	net-next-old	dc9d87581d46	a52ee10a	.config	console log	report			info	ci-upstream-net-kasan-gce	KASAN: vmalloc-out-of-bounds Read in bpf_trace_run7
2021/02/11 03:53	bpf-next	cf2d0a5e788b	a52ee10a	.config	console log	report			info	ci-upstream-bpf-next-kasan-gce	KASAN: vmalloc-out-of-bounds Read in bpf_trace_run7
2021/02/06 07:07	bpf-next	23a2d70c7a2f	23a562df	.config	console log	report			info	ci-upstream-bpf-next-kasan-gce	KASAN: vmalloc-out-of-bounds Read in bpf_trace_run7
2021/01/21 20:11	bpf-next	b452ee005a91	d4f4eca5	.config	console log	report			info	ci-upstream-bpf-next-kasan-gce	KASAN: vmalloc-out-of-bounds Read in bpf_trace_run7
2021/01/13 11:33	bpf-next	7c7a80ea5e3f	a945f0a3	.config	console log	report			info	ci-upstream-bpf-next-kasan-gce
2020/12/29 12:45	bpf-next	00a279e42f67	8259d56c	.config	console log	report			info	ci-upstream-bpf-next-kasan-gce

Crashes (8):

Time

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