------------[ cut here ]------------ WARNING: CPU: 1 PID: 19070 at include/linux/skbuff.h:2738 pskb_may_pull_reason include/linux/skbuff.h:2738 [inline] WARNING: CPU: 1 PID: 19070 at include/linux/skbuff.h:2738 pskb_may_pull include/linux/skbuff.h:2754 [inline] WARNING: CPU: 1 PID: 19070 at include/linux/skbuff.h:2738 skb_ensure_writable+0x2ef/0x440 net/core/skbuff.c:6100 Modules linked in: CPU: 1 PID: 19070 Comm: syz-executor.3 Not tainted 6.10.0-rc2-syzkaller-00249-gbe27b8965297 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 RIP: 0010:pskb_may_pull_reason include/linux/skbuff.h:2738 [inline] RIP: 0010:pskb_may_pull include/linux/skbuff.h:2754 [inline] RIP: 0010:skb_ensure_writable+0x2ef/0x440 net/core/skbuff.c:6100 Code: e8 f6 ce 42 f8 4c 89 ef 31 f6 31 d2 b9 20 08 00 00 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d e9 17 03 fe ff e8 d2 ce 42 f8 90 <0f> 0b 90 e9 3e fd ff ff 44 89 f7 44 89 e6 e8 7e d0 42 f8 45 39 e6 RSP: 0018:ffffc9000da2f8f8 EFLAGS: 00010283 RAX: ffffffff895357ae RBX: ffff88802b062dc0 RCX: 0000000000040000 RDX: ffffc90012b51000 RSI: 000000000000081e RDI: 000000000000081f RBP: 00000000fffffffe R08: ffffffff895354e7 R09: 1ffffffff1f5aa15 R10: dffffc0000000000 R11: ffffffffa00008d8 R12: 00000000fffffffe R13: ffff88802b062dc0 R14: ffffc9000f0b9030 R15: dffffc0000000000 FS: 00007fce96f3b6c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b33122000 CR3: 0000000068ce4000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __bpf_try_make_writable net/core/filter.c:1668 [inline] bpf_try_make_writable net/core/filter.c:1674 [inline] ____bpf_skb_pull_data net/core/filter.c:1865 [inline] bpf_skb_pull_data+0x7c/0x230 net/core/filter.c:1854 bpf_prog_12bd3c84cb9ccb12+0x1d/0x1f bpf_dispatcher_nop_func include/linux/bpf.h:1243 [inline] __bpf_prog_run include/linux/filter.h:682 [inline] bpf_prog_run include/linux/filter.h:698 [inline] bpf_test_run+0x640/0x910 net/bpf/test_run.c:425 bpf_prog_test_run_skb+0xafa/0x13a0 net/bpf/test_run.c:1072 bpf_prog_test_run+0x33a/0x3b0 kernel/bpf/syscall.c:4292 __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5706 __do_sys_bpf kernel/bpf/syscall.c:5795 [inline] __se_sys_bpf kernel/bpf/syscall.c:5793 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5793 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fce9627cf29 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fce96f3b0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007fce963b3f80 RCX: 00007fce9627cf29 RDX: 0000000000000048 RSI: 00000000200002c0 RDI: 000000000000000a RBP: 00007fce962ec074 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fce963b3f80 R15: 00007ffe0cfd41a8