------------[ cut here ]------------ kernel BUG at kernel/bpf/arraymap.c:980! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 21716 Comm: syz.4.6004 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 RIP: 0010:prog_array_map_poke_run+0x6f4/0x710 kernel/bpf/arraymap.c:980 Code: 61 e9 ff eb 05 e8 8c 61 e9 ff 48 83 c4 58 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 78 61 e9 ff 0f 0b e9 78 f9 ff ff e8 6c 61 e9 ff <0f> 0b e8 65 61 e9 ff 0f 0b e8 5e 61 e9 ff 0f 0b e8 57 61 e9 ff 0f RSP: 0018:ffffc900010b7c10 EFLAGS: 00010293 RAX: ffffffff817b6724 RBX: ffff88810ff7d190 RCX: ffff888146318000 RDX: 0000000000000000 RSI: 00000000fffffff0 RDI: 00000000ffffffea RBP: ffffc900010b7c90 R08: ffffffff864eaec7 R09: 1ffffffff0c9d5d8 R10: dffffc0000000000 R11: fffffbfff0c9d5d9 R12: ffffffffa003cb00 R13: ffff8881262e6980 R14: 0000000000000001 R15: 00000000fffffff0 FS: 00007f3d947866c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000020000000f000 CR3: 000000010c5bb000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: bpf_fd_array_map_update_elem+0x21f/0x330 kernel/bpf/arraymap.c:763 bpf_map_update_value+0xb4/0x430 kernel/bpf/syscall.c:187 map_update_elem+0x4a1/0x5e0 kernel/bpf/syscall.c:1139 __do_sys_bpf kernel/bpf/syscall.c:4423 [inline] __se_sys_bpf+0x3e0/0x740 kernel/bpf/syscall.c:4391 __x64_sys_bpf+0x7b/0x90 kernel/bpf/syscall.c:4391 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f3d95d2be59 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f3d94786028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f3d95fa4fa0 RCX: 00007f3d95d2be59 RDX: 0000000000000020 RSI: 0000200000000040 RDI: 0000000000000002 RBP: 00007f3d95dc1d6f R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f3d95fa5038 R14: 00007f3d95fa4fa0 R15: 00007fff504407d8 Modules linked in: ---[ end trace 893acca95e733fce ]--- RIP: 0010:prog_array_map_poke_run+0x6f4/0x710 kernel/bpf/arraymap.c:980 Code: 61 e9 ff eb 05 e8 8c 61 e9 ff 48 83 c4 58 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 78 61 e9 ff 0f 0b e9 78 f9 ff ff e8 6c 61 e9 ff <0f> 0b e8 65 61 e9 ff 0f 0b e8 5e 61 e9 ff 0f 0b e8 57 61 e9 ff 0f RSP: 0018:ffffc900010b7c10 EFLAGS: 00010293 RAX: ffffffff817b6724 RBX: ffff88810ff7d190 RCX: ffff888146318000 RDX: 0000000000000000 RSI: 00000000fffffff0 RDI: 00000000ffffffea RBP: ffffc900010b7c90 R08: ffffffff864eaec7 R09: 1ffffffff0c9d5d8 R10: dffffc0000000000 R11: fffffbfff0c9d5d9 R12: ffffffffa003cb00 R13: ffff8881262e6980 R14: 0000000000000001 R15: 00000000fffffff0 FS: 00007f3d947866c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff4341472f8 CR3: 000000010c5bb000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600