------------[ cut here ]------------
WARNING: CPU: 0 PID: 4277 at mm/maccess.c:226 copy_from_user_nofault+0x15c/0x1c0
Modules linked in:
CPU: 0 PID: 4277 Comm: syz-executor384 Not tainted 5.15.179-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:copy_from_user_nofault+0x15c/0x1c0 mm/maccess.c:226
Code: db 48 c7 c0 f2 ff ff ff 48 0f 44 c5 eb 0c e8 9b b0 d5 ff 48 c7 c0 f2 ff ff ff 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 84 b0 d5 ff <0f> 0b e9 1e ff ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c ef fe ff
RSP: 0018:ffffc90000007650 EFLAGS: 00010246
RAX: ffffffff81aaec3c RBX: 0000000000000000 RCX: ffff88802608bb80
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffffff81aaeb4d R09: ffffed1004c11771
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: ffffc900000076c8
FS: 000055556ec84380(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002000000000c0 CR3: 0000000072b12000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
bpf_probe_read_user_common kernel/trace/bpf_trace.c:157 [inline]
____bpf_probe_read_compat kernel/trace/bpf_trace.c:281 [inline]
bpf_probe_read_compat+0xe4/0x180 kernel/trace/bpf_trace.c:277
bpf_prog_3d2613b5dfc7747f+0x32/0xbe8
bpf_dispatcher_nop_func include/linux/bpf.h:790 [inline]
__bpf_prog_run include/linux/filter.h:621 [inline]
bpf_prog_run include/linux/filter.h:635 [inline]
__bpf_trace_run kernel/trace/bpf_trace.c:1878 [inline]
bpf_trace_run4+0x2e0/0x390 kernel/trace/bpf_trace.c:1917
__bpf_trace_mm_page_alloc+0xba/0xe0 include/trace/events/kmem.h:201
__traceiter_mm_page_alloc+0x35/0x50 include/trace/events/kmem.h:201
trace_mm_page_alloc include/trace/events/kmem.h:201 [inline]
__alloc_pages+0x6e0/0x700 mm/page_alloc.c:5488
skb_page_frag_refill+0x220/0x4b0 net/core/sock.c:2664
add_recvbuf_mergeable drivers/net/virtio_net.c:1329 [inline]
try_fill_recv+0x49d/0x17d0 drivers/net/virtio_net.c:1370
virtnet_receive drivers/net/virtio_net.c:1484 [inline]
virtnet_poll+0x83a/0x1260 drivers/net/virtio_net.c:1585
__napi_poll+0xc7/0x440 net/core/dev.c:7074
napi_poll net/core/dev.c:7141 [inline]
net_rx_action+0x617/0xda0 net/core/dev.c:7231
handle_softirqs+0x3a7/0x930 kernel/softirq.c:558
__do_softirq kernel/softirq.c:592 [inline]
invoke_softirq kernel/softirq.c:432 [inline]
__irq_exit_rcu+0x157/0x240 kernel/softirq.c:641
irq_exit_rcu+0x5/0x20 kernel/softirq.c:653
common_interrupt+0xb3/0xd0 arch/x86/kernel/irq.c:240
asm_common_interrupt+0x22/0x40 arch/x86/include/asm/idtentry.h:667
RIP: 0010:lock_acquire+0x60/0x4f0 kernel/locking/lockdep.c:5591
Code: 04 25 28 00 00 00 48 89 84 24 00 01 00 00 49 bd 00 00 00 00 00 fc ff df 48 c7 44 24 40 b3 8a b5 41 48 c7 44 24 48 09 81 3b 8c <48> c7 44 24 50 d0 e0 62 81 4c 8d 64 24 40 49 c1 ec 03 48 b8 f1 f1
RSP: 0018:ffffc90002e5eea0 EFLAGS: 00000286
RAX: 6cdfbd7560bdcd00 RBX: 00007f55e510cc29 RCX: 0000000000000002
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8cb1f4e0
RBP: ffffc90002e5f000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88802608bb80
R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff920005cbe1d
rcu_lock_acquire+0x2a/0x30 include/linux/rcupdate.h:312
rcu_read_lock include/linux/rcupdate.h:739 [inline]
is_bpf_text_address+0x1d/0x260 kernel/bpf/core.c:725
kernel_text_address kernel/extable.c:151 [inline]
__kernel_text_address+0x94/0x100 kernel/extable.c:105
unwind_get_return_address+0x49/0x80 arch/x86/kernel/unwind_orc.c:323
arch_stack_walk+0xf3/0x140 arch/x86/kernel/stacktrace.c:26
stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:122
kasan_save_stack mm/kasan/common.c:38 [inline]
kasan_set_track mm/kasan/common.c:46 [inline]
set_alloc_info mm/kasan/common.c:434 [inline]
____kasan_kmalloc+0xba/0xf0 mm/kasan/common.c:513
kasan_kmalloc include/linux/kasan.h:264 [inline]
__kmalloc_node+0x199/0x390 mm/slub.c:4455
kmalloc_node include/linux/slab.h:614 [inline]
kvmalloc_node+0x80/0x140 mm/util.c:619
kvmalloc include/linux/mm.h:805 [inline]
kvzalloc include/linux/mm.h:813 [inline]
bpf_check+0x142/0x12d40 kernel/bpf/verifier.c:14019
bpf_prog_load+0x12b3/0x1b60 kernel/bpf/syscall.c:2345
__sys_bpf+0x343/0x670 kernel/bpf/syscall.c:4648
__do_sys_bpf kernel/bpf/syscall.c:4752 [inline]
__se_sys_bpf kernel/bpf/syscall.c:4750 [inline]
__x64_sys_bpf+0x78/0x90 kernel/bpf/syscall.c:4750
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f55e510cc29
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 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:00007ffec39ef058 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f55e510cc29
RDX: 0000000000000090 RSI: 00002000000000c0 RDI: 0000000000000005
RBP: 0000000000000000 R08: 0000000000000000 R09: 00000000000000a0
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
----------------
Code disassembly (best guess):
0: 04 25 add $0x25,%al
2: 28 00 sub %al,(%rax)
4: 00 00 add %al,(%rax)
6: 48 89 84 24 00 01 00 mov %rax,0x100(%rsp)
d: 00
e: 49 bd 00 00 00 00 00 movabs $0xdffffc0000000000,%r13
15: fc ff df
18: 48 c7 44 24 40 b3 8a movq $0x41b58ab3,0x40(%rsp)
1f: b5 41
21: 48 c7 44 24 48 09 81 movq $0xffffffff8c3b8109,0x48(%rsp)
28: 3b 8c
* 2a: 48 c7 44 24 50 d0 e0 movq $0xffffffff8162e0d0,0x50(%rsp) <-- trapping instruction
31: 62 81
33: 4c 8d 64 24 40 lea 0x40(%rsp),%r12
38: 49 c1 ec 03 shr $0x3,%r12
3c: 48 rex.W
3d: b8 .byte 0xb8
3e: f1 int1
3f: f1 int1