------------[ cut here ]------------
WARNING: CPU: 1 PID: 4476 at mm/maccess.c:226 copy_from_user_nofault+0x15c/0x1c0
Modules linked in:
CPU: 1 PID: 4476 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:ffffc90000dd0708 EFLAGS: 00010246
RAX: ffffffff81aaab4c RBX: 0000000000000000 RCX: ffff888022483b80
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffffff81aaaa5d R09: fffffbfff20ec621
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: ffffc90000dd0768
FS:  000055558d1ab500(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32e1fffc CR3: 00000000666db000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 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_7e47b8e39696360c+0x32/0x56c
 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
 kfree_skb include/linux/skbuff.h:1118 [inline]
 hsr_forward_skb+0x1725/0x1b50 net/hsr/hsr_forward.c:587
 send_hsr_supervision_frame+0x540/0xad0 net/hsr/hsr_device.c:326
 hsr_announce+0x176/0x300 net/hsr/hsr_device.c:382
 call_timer_fn+0x16d/0x560 kernel/time/timer.c:1451
 expire_timers kernel/time/timer.c:1496 [inline]
 __run_timers+0x67c/0x890 kernel/time/timer.c:1767
 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1780
 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
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:__orc_find arch/x86/kernel/unwind_orc.c:50 [inline]
RIP: 0010:orc_find arch/x86/kernel/unwind_orc.c:178 [inline]
RIP: 0010:unwind_next_frame+0x4f6/0x1fa0 arch/x86/kernel/unwind_orc.c:448
Code: 8b 1b 48 85 db 0f 84 af 0f 00 00 48 83 c3 60 e9 56 03 00 00 a9 00 04 00 00 0f 84 a7 11 00 00 e9 bc 11 00 00 49 89 fc 49 89 fe <48> 89 e8 4c 29 f0 48 89 c1 48 c1 f9 02 48 c1 e8 3f 48 01 c8 48 83
RSP: 0018:ffffc90003007228 EFLAGS: 00000246
RAX: ffffffff8dfdec70 RBX: ffffffff8dfdec74 RCX: ffffffff8dfdec78
RDX: dffffc0000000000 RSI: ffffffff8e697fd8 RDI: ffffffff8dfdec70
RBP: ffffffff8dfdec70 R08: 0000000000000003 R09: ffffc900030073d0
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffff8dfdec70
R13: ffffffff81bb4428 R14: ffffffff8dfdec70 R15: ffffc900030072e0
 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
 vm_area_alloc_pages mm/vmalloc.c:2868 [inline]
 __vmalloc_area_node mm/vmalloc.c:2924 [inline]
 __vmalloc_node_range+0x5ab/0x8c0 mm/vmalloc.c:3029
 vmalloc_user+0x70/0x80 mm/vmalloc.c:3165
 kcov_mmap+0x28/0x120 kernel/kcov.c:474
 call_mmap include/linux/fs.h:2179 [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: 0033:0x7f0fc4dcd033
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:00007ffe085ad0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007f0fc4f84f40 RCX: 00007f0fc4dcd033
RDX: 0000000000000003 RSI: 0000000000800000 RDI: 00007f0fc3a48000
RBP: 00007f0fc4f85a38 R08: 00000000000000d7 R09: 0000000000000000
R10: 0000000000000011 R11: 0000000000000246 R12: 000000000000000c
R13: 0000000000000003 R14: 0000000000000009 R15: 0000000000000000
 </TASK>
----------------
Code disassembly (best guess):
   0:	8b 1b                	mov    (%rbx),%ebx
   2:	48 85 db             	test   %rbx,%rbx
   5:	0f 84 af 0f 00 00    	je     0xfba
   b:	48 83 c3 60          	add    $0x60,%rbx
   f:	e9 56 03 00 00       	jmp    0x36a
  14:	a9 00 04 00 00       	test   $0x400,%eax
  19:	0f 84 a7 11 00 00    	je     0x11c6
  1f:	e9 bc 11 00 00       	jmp    0x11e0
  24:	49 89 fc             	mov    %rdi,%r12
  27:	49 89 fe             	mov    %rdi,%r14
* 2a:	48 89 e8             	mov    %rbp,%rax <-- trapping instruction
  2d:	4c 29 f0             	sub    %r14,%rax
  30:	48 89 c1             	mov    %rax,%rcx
  33:	48 c1 f9 02          	sar    $0x2,%rcx
  37:	48 c1 e8 3f          	shr    $0x3f,%rax
  3b:	48 01 c8             	add    %rcx,%rax
  3e:	48                   	rex.W
  3f:	83                   	.byte 0x83