------------[ cut here ]------------ WARNING: CPU: 0 PID: 4263 at mm/maccess.c:226 copy_from_user_nofault+0x15c/0x1c0 Modules linked in: CPU: 0 PID: 4263 Comm: syz.2.3 Not tainted 5.15.173-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 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: 0000:ffffc900012ef0f0 EFLAGS: 00010246 RAX: ffffffff81aaacec RBX: 0000000000000000 RCX: ffff88802759bb80 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000 RBP: dffffc0000000000 R08: ffffffff81aaabfd R09: ffffed1004eb3771 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 R13: 0000000000000008 R14: 0000000000000000 R15: ffffc900012ef168 FS: 000055557881d500(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b3051aff8 CR3: 0000000023abb000 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_ee60aafa828f4cb7+0x35/0x4b4 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_run4+0x1ea/0x390 kernel/trace/bpf_trace.c:1917 __bpf_trace_mm_page_alloc+0xba/0xe0 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:5486 alloc_slab_page mm/slub.c:1775 [inline] allocate_slab mm/slub.c:1912 [inline] new_slab+0xbb/0x4b0 mm/slub.c:1975 ___slab_alloc+0x6f6/0xe10 mm/slub.c:3008 __slab_alloc mm/slub.c:3095 [inline] slab_alloc_node mm/slub.c:3186 [inline] slab_alloc mm/slub.c:3228 [inline] kmem_cache_alloc+0x18e/0x280 mm/slub.c:3233 skb_clone+0x1bb/0x350 net/core/skbuff.c:1523 dev_queue_xmit_nit+0x2d6/0xae0 net/core/dev.c:2310 xmit_one net/core/dev.c:3612 [inline] dev_hard_start_xmit+0x137/0x7a0 net/core/dev.c:3633 __dev_queue_xmit+0x1c8e/0x32b0 net/core/dev.c:4256 hsr_xmit net/hsr/hsr_forward.c:338 [inline] hsr_forward_do net/hsr/hsr_forward.c:429 [inline] hsr_forward_skb+0x133c/0x1b50 net/hsr/hsr_forward.c:577 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:1108 [inline] sysvec_apic_timer_interrupt+0x52/0xc0 arch/x86/kernel/apic/apic.c:1108 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676 RIP: 0033:0x7fe9e567f7e3 Code: 1f 84 00 00 00 00 00 48 8b 70 f8 48 83 e8 08 48 39 f2 72 f3 48 39 c3 73 3e 48 89 33 48 83 c3 08 48 8b 70 f8 48 89 08 48 8b 0b <49> 8b 14 24 eb bf 48 39 f2 72 97 48 39 f0 73 46 49 89 34 24 48 89 RSP: 002b:00007ffd58b5f600 EFLAGS: 00000216 RAX: 00007fe9e503d1d0 RBX: 00007fe9e5039950 RCX: ffffffff88459c2e RDX: ffffffff8844ddab RSI: ffffffff8844696a RDI: 00007fe9e503dbc0 RBP: 00007fe9e5031620 R08: 00007fe9e50378e8 R09: 00007fe9e594c000 R10: 0000000081a74a5d R11: 0000000000000005 R12: 00007fe9e5031618 R13: 0000000000000017 R14: 00007fe9e5029008 R15: 000000000001085e