------------[ cut here ]------------
WARNING: CPU: 0 PID: 4300 at mm/maccess.c:226 copy_from_user_nofault+0x15c/0x1c0
Modules linked in:
CPU: 0 PID: 4300 Comm: syz.0.19 Not tainted 5.15.173-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 cb c6 d5 ff 48 c7 c0 f2 ff ff ff 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 b4 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:ffffc90000007970 EFLAGS: 00010246
RAX: ffffffff81aaacec RBX: 0000000000000000 RCX: ffff88802b965940
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffffff81aaabfd R09: ffffed100572cb29
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: ffffc900000079e8
FS:  00007f86ffde96c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c2fb7bd CR3: 00000000737c4000 CR4: 00000000003506f0
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_compat kernel/trace/bpf_trace.c:281 [inline]
 bpf_probe_read_compat+0xe4/0x180 kernel/trace/bpf_trace.c:277
 bpf_prog_3d2613b5dfc7747f+0x32/0x750
 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:1878 [inline]
 bpf_trace_run2+0x19e/0x340 kernel/trace/bpf_trace.c:1915
 __bpf_trace_kfree+0x6e/0x90 include/trace/events/kmem.h:118
 __traceiter_kfree+0x26/0x40 include/trace/events/kmem.h:118
 trace_kfree include/trace/events/kmem.h:118 [inline]
 kfree+0x22f/0x270 mm/slub.c:4549
 ip_dst_metrics_put include/net/ip.h:516 [inline]
 ip6_dst_destroy+0x86/0x400 net/ipv6/route.c:360
 dst_destroy+0xc3/0x2f0 net/core/dst.c:112
 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:1108 [inline]
 sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1108
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:should_fail+0x1/0x4c0 lib/fault-inject.c:104
Code: c1 03 38 c1 0f 8c b4 fe ff ff 4c 89 ef e8 37 29 a3 fd e9 a7 fe ff ff e8 bd 4b 0d 06 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 55 <41> 57 41 56 41 55 41 54 53 48 83 ec 18 49 89 f6 49 89 ff 49 bd 00
RSP: 0018:ffffc90002e17838 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000100000 RCX: ffff88802b965940
RDX: ffff88802b965940 RSI: 0000000000000040 RDI: ffffffff8c9f5c40
RBP: 0000000000400cc0 R08: dffffc0000000000 R09: fffffbfff1bd2d3e
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888017042780
R13: ffff888017042780 R14: ffffc90002e17890 R15: 0000000000000001
 should_failslab+0x5/0x20 mm/slab_common.c:1344
 slab_pre_alloc_hook+0x53/0xc0 mm/slab.h:494
 slab_alloc_node mm/slub.c:3134 [inline]
 slab_alloc mm/slub.c:3228 [inline]
 kmem_cache_alloc_trace+0x49/0x290 mm/slub.c:3245
 kmalloc include/linux/slab.h:591 [inline]
 alloc_fdtable+0xab/0x280 fs/file.c:128
 dup_fd+0x92e/0xc70 fs/file.c:336
 copy_files+0x72/0xe0 kernel/fork.c:1564
 copy_process+0x16ba/0x3ef0 kernel/fork.c:2193
 kernel_clone+0x210/0x960 kernel/fork.c:2603
 __do_sys_clone3 kernel/fork.c:2878 [inline]
 __se_sys_clone3+0x3e1/0x430 kernel/fork.c:2862
 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: 0033:0x7f8701971719
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f86ffde8f08 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3
RAX: ffffffffffffffda RBX: 0000000000000058 RCX: 00007f8701971719
RDX: 00007f86ffde8f20 RSI: 0000000000000058 RDI: 00007f86ffde8f20
RBP: 00007f87019e475e R08: 0000000000000000 R09: 0000000000000058
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f8701b28f80 R15: 00007ffd4f8558c8
 </TASK>
----------------
Code disassembly (best guess), 2 bytes skipped:
   0:	38 c1                	cmp    %al,%cl
   2:	0f 8c b4 fe ff ff    	jl     0xfffffebc
   8:	4c 89 ef             	mov    %r13,%rdi
   b:	e8 37 29 a3 fd       	call   0xfda32947
  10:	e9 a7 fe ff ff       	jmp    0xfffffebc
  15:	e8 bd 4b 0d 06       	call   0x60d4bd7
  1a:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  21:	00 00 00
  24:	0f 1f 00             	nopl   (%rax)
  27:	55                   	push   %rbp
* 28:	41 57                	push   %r15 <-- trapping instruction
  2a:	41 56                	push   %r14
  2c:	41 55                	push   %r13
  2e:	41 54                	push   %r12
  30:	53                   	push   %rbx
  31:	48 83 ec 18          	sub    $0x18,%rsp
  35:	49 89 f6             	mov    %rsi,%r14
  38:	49 89 ff             	mov    %rdi,%r15
  3b:	49                   	rex.WB
  3c:	bd                   	.byte 0xbd