------------[ cut here ]------------
WARNING: CPU: 0 PID: 3593 at mm/maccess.c:226 copy_from_user_nofault+0x15c/0x1c0
Modules linked in:
CPU: 0 PID: 3593 Comm: syz-executor Not tainted 5.15.168-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 fb c7 d5 ff 48 c7 c0 f2 ff ff ff 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 e4 c7 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: ffffffff81aaab4c RBX: 0000000000000000 RCX: ffff8880181ad940
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffffff81aaaa5d R09: fffffbfff20ec621
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: 0000000000000008 R14: 0000000000000000 R15: ffffc90000007a68
FS: 000055556a61b500(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000066a85000 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_user kernel/trace/bpf_trace.c:166 [inline]
bpf_probe_read_user+0x26/0x70 kernel/trace/bpf_trace.c:163
bpf_prog_d20f016a5d369cb4+0x35/0x12c
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_run3+0x1d1/0x380 kernel/trace/bpf_trace.c:1918
__bpf_trace_kmem_cache_free+0x99/0xc0 include/trace/events/kmem.h:138
trace_kmem_cache_free include/trace/events/kmem.h:138 [inline]
kmem_cache_free+0x1ce/0x1f0 mm/slub.c:3516
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
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1096 [inline]
sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1096
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:unwind_next_frame+0xb76/0x1fa0 arch/x86/kernel/unwind_orc.c:545
Code: 8b 6c 24 08 74 12 48 89 ef e8 36 99 91 00 48 b9 00 00 00 00 00 fc ff df 48 89 5d 00 48 8b 44 24 48 80 3c 08 00 48 8b 5c 24 40 <4c> 8b 74 24 10 74 12 48 89 df e8 0b 99 91 00 48 b9 00 00 00 00 00
RSP: 0018:ffffc90002d76908 EFLAGS: 00000246
RAX: 1ffff920005aed3f RBX: ffffc90002d769f8 RCX: dffffc0000000000
RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffffc90002d76d70
RBP: ffffc90002d76a08 R08: 0000000000000008 R09: ffffc90002d76ab0
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffffffff1cd51e7
R13: 1ffffffff1cd51e7 R14: ffffc90002d70000 R15: ffffc90002d769c0
arch_stack_walk+0x10d/0x140 arch/x86/kernel/stacktrace.c:25
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]
__vmalloc_area_node mm/vmalloc.c:2910 [inline]
__vmalloc_node_range+0x2e2/0x8c0 mm/vmalloc.c:3029
__vmalloc_node mm/vmalloc.c:3079 [inline]
vzalloc+0x75/0x80 mm/vmalloc.c:3149
alloc_counters+0xcf/0x7c0 net/ipv4/netfilter/ip_tables.c:800
copy_entries_to_user net/ipv4/netfilter/ip_tables.c:822 [inline]
get_entries net/ipv4/netfilter/ip_tables.c:1023 [inline]
do_ipt_get_ctl+0xead/0x1880 net/ipv4/netfilter/ip_tables.c:1669
nf_getsockopt+0x28e/0x2b0 net/netfilter/nf_sockopt.c:116
ip_getsockopt+0x15be/0x2450 net/ipv4/ip_sockglue.c:1797
tcp_getsockopt+0x25a/0x6fe0 net/ipv4/tcp.c:4313
__sys_getsockopt+0x2a6/0x550 net/socket.c:2247
__do_sys_getsockopt net/socket.c:2262 [inline]
__se_sys_getsockopt net/socket.c:2259 [inline]
__x64_sys_getsockopt+0xb1/0xc0 net/socket.c:2259
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: 0033:0x7faa27a88d3a
Code: ff c3 66 0f 1f 44 00 00 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb b8 0f 1f 44 00 00 49 89 ca b8 37 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 06 c3 0f 1f 44 00 00 48 c7 c2 a8 ff ff ff f7
RSP: 002b:00007ffc3d520ba8 EFLAGS: 00000212 ORIG_RAX: 0000000000000037
RAX: ffffffffffffffda RBX: 00007ffc3d520c30 RCX: 00007faa27a88d3a
RDX: 0000000000000041 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 0000000000000003 R08: 00007ffc3d520bcc R09: 00007ffc3d520fe7
R10: 00007ffc3d520c30 R11: 0000000000000212 R12: 00007faa27c12bc0
R13: 00007ffc3d520bcc R14: 0000000000000000 R15: 00007faa27c14000
----------------
Code disassembly (best guess):
0: 8b 6c 24 08 mov 0x8(%rsp),%ebp
4: 74 12 je 0x18
6: 48 89 ef mov %rbp,%rdi
9: e8 36 99 91 00 call 0x919944
e: 48 b9 00 00 00 00 00 movabs $0xdffffc0000000000,%rcx
15: fc ff df
18: 48 89 5d 00 mov %rbx,0x0(%rbp)
1c: 48 8b 44 24 48 mov 0x48(%rsp),%rax
21: 80 3c 08 00 cmpb $0x0,(%rax,%rcx,1)
25: 48 8b 5c 24 40 mov 0x40(%rsp),%rbx
* 2a: 4c 8b 74 24 10 mov 0x10(%rsp),%r14 <-- trapping instruction
2f: 74 12 je 0x43
31: 48 89 df mov %rbx,%rdi
34: e8 0b 99 91 00 call 0x919944
39: 48 rex.W
3a: b9 00 00 00 00 mov $0x0,%ecx