------------[ cut here ]------------
WARNING: CPU: 0 PID: 15043 at mm/maccess.c:226 copy_from_user_nofault+0x15c/0x1c0
Modules linked in:
CPU: 0 PID: 15043 Comm: syz-executor Not tainted 5.15.167-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
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 eb c6 d5 ff 48 c7 c0 f2 ff ff ff 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 d4 c6 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:ffffc90000007a08 EFLAGS: 00010246
RAX: ffffffff81aa939c RBX: 0000000000000000 RCX: ffff8880193bd940
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffffff81aa92ad R09: fffffbfff20e2419
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: ffffc90000007a68
FS: 00005555631e8500(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2ccda69130 CR3: 000000006111b000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
bpf_probe_read_user_common kernel/trace/bpf_trace.c:157 [inline]
____bpf_probe_read_user kernel/trace/bpf_trace.c:166 [inline]
bpf_probe_read_user+0x26/0x70 kernel/trace/bpf_trace.c:163
bpf_prog_690f12e098ef46de+0x32/0xfd8
bpf_dispatcher_nop_func include/linux/bpf.h:790 [inline]
__bpf_prog_run include/linux/filter.h:628 [inline]
bpf_prog_run include/linux/filter.h:635 [inline]
__bpf_trace_run kernel/trace/bpf_trace.c:1880 [inline]
bpf_trace_run2+0x19e/0x340 kernel/trace/bpf_trace.c:1917
__bpf_trace_kfree+0x6e/0x90 include/trace/events/kmem.h:118
trace_kfree include/trace/events/kmem.h:118 [inline]
kfree+0x22f/0x270 mm/slub.c:4549
deferred_put_nlk_sk+0x41/0x260 net/netlink/af_netlink.c:733
rcu_do_batch kernel/rcu/tree.c:2523 [inline]
rcu_core+0xa15/0x1650 kernel/rcu/tree.c:2763
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
sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1096
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:kasan_check_range+0x3/0x290 mm/kasan/generic.c:188
Code: 48 89 c7 e8 7f cb 6a 08 31 c0 c3 0f 0b b8 ea ff ff ff c3 0f 0b b8 ea ff ff ff c3 cc cc cc cc cc cc cc cc cc cc cc cc 55 41 57 <41> 56 53 b0 01 48 85 f6 0f 84 9a 01 00 00 48 89 fd 48 01 f5 0f 82
RSP: 0018:ffffc90002e36f10 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000010 RCX: ffffffff81389418
RDX: 0000000000000001 RSI: 0000000000000010 RDI: ffffc90002e37050
RBP: ffffc90002e37050 R08: 0000000000000001 R09: ffffc90002e370f0
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffffffff1cd2db1
R13: 1ffffffff1cd2db1 R14: 0000000000000000 R15: ffffc90002e37000
memset+0x1f/0x40 mm/kasan/shadow.c:44
unwind_next_frame+0xbc8/0x1fa0 arch/x86/kernel/unwind_orc.c:547
arch_stack_walk+0x10d/0x140 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:122
save_stack+0xf6/0x1e0 mm/page_owner.c:119
__set_page_owner+0x37/0x300 mm/page_owner.c:181
prep_new_page mm/page_alloc.c:2426 [inline]
get_page_from_freelist+0x322a/0x33c0 mm/page_alloc.c:4159
__alloc_pages+0x272/0x700 mm/page_alloc.c:5423
__get_free_pages+0x8/0x30 mm/page_alloc.c:5460
kasan_populate_vmalloc_pte+0x2a/0xd0 mm/kasan/shadow.c:266
apply_to_pte_range mm/memory.c:2545 [inline]
apply_to_pmd_range mm/memory.c:2589 [inline]
apply_to_pud_range mm/memory.c:2625 [inline]
apply_to_p4d_range mm/memory.c:2661 [inline]
__apply_to_page_range+0x9bf/0xcc0 mm/memory.c:2695
alloc_vmap_area+0x1875/0x19a0 mm/vmalloc.c:1565
__get_vm_area_node+0x16e/0x2f0 mm/vmalloc.c:2423
__vmalloc_node_range+0xe3/0x8c0 mm/vmalloc.c:3019
vmalloc_user+0x70/0x80 mm/vmalloc.c:3165
kcov_mmap+0x28/0x120 kernel/kcov.c:474
call_mmap include/linux/fs.h:2177 [inline]
mmap_region+0x10e7/0x1670 mm/mmap.c:1791
do_mmap+0x78d/0xe00 mm/mmap.c:1575
vm_mmap_pgoff+0x1ca/0x2d0 mm/util.c:551
ksys_mmap_pgoff+0x559/0x780 mm/mmap.c:1624
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: 0033:0x7fa888d4e033
Code: f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 41 89 ca 41 f7 c1 ff 0f 00 00 75 14 b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 25 c3 0f 1f 40 00 48 c7 c0 a8 ff ff ff 64 c7
RSP: 002b:00007ffff8ec3948 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007fa888f061c8 RCX: 00007fa888d4e033
RDX: 0000000000000003 RSI: 0000000000200000 RDI: 00007fa8881cb000
RBP: 00007fa888f061c8 R08: 00000000000000da R09: 0000000000000000
R10: 0000000000000011 R11: 0000000000000246 R12: 000000000000000c
R13: 0000000000000003 R14: 0000000000000009 R15: 0000000000000000
----------------
Code disassembly (best guess):
0: 48 89 c7 mov %rax,%rdi
3: e8 7f cb 6a 08 call 0x86acb87
8: 31 c0 xor %eax,%eax
a: c3 ret
b: 0f 0b ud2
d: b8 ea ff ff ff mov $0xffffffea,%eax
12: c3 ret
13: 0f 0b ud2
15: b8 ea ff ff ff mov $0xffffffea,%eax
1a: c3 ret
1b: cc int3
1c: cc int3
1d: cc int3
1e: cc int3
1f: cc int3
20: cc int3
21: cc int3
22: cc int3
23: cc int3
24: cc int3
25: cc int3
26: cc int3
27: 55 push %rbp
28: 41 57 push %r15
* 2a: 41 56 push %r14 <-- trapping instruction
2c: 53 push %rbx
2d: b0 01 mov $0x1,%al
2f: 48 85 f6 test %rsi,%rsi
32: 0f 84 9a 01 00 00 je 0x1d2
38: 48 89 fd mov %rdi,%rbp
3b: 48 01 f5 add %rsi,%rbp
3e: 0f .byte 0xf
3f: 82 .byte 0x82