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kernel BUG at kernel/bpf/arraymap.c:980!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 29139 Comm: syz.0.8247 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 ac 61 e9 ff 48 83 c4 58 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 98 61 e9 ff 0f 0b e9 78 f9 ff ff e8 8c 61 e9 ff <0f> 0b e8 85 61 e9 ff 0f 0b e8 7e 61 e9 ff 0f 0b e8 77 61 e9 ff 0f
RSP: 0018:ffffc90001a07c10 EFLAGS: 00010293
RAX: ffffffff817b6444 RBX: ffff88811582c590 RCX: ffff888126d03b40
RDX: 0000000000000000 RSI: 00000000fffffff0 RDI: 00000000ffffffea
RBP: ffffc90001a07c90 R08: ffffffff864eaec7 R09: 1ffffffff0c9d5d8
R10: dffffc0000000000 R11: fffffbfff0c9d5d9 R12: ffffffffa0034400
R13: ffff888111ba4c80 R14: 0000000000000001 R15: 00000000fffffff0
FS:  00007f71a30f16c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000001a00 CR3: 000000013fcd1000 CR4: 00000000003506a0
DR0: 0000200000000300 DR1: 0000200000000300 DR2: 0000200000000300
DR3: 0000200000000300 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: 0033:0x7f71a4696e59
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:00007f71a30f1028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f71a490ffa0 RCX: 00007f71a4696e59
RDX: 0000000000000020 RSI: 00002000000004c0 RDI: 0000000000000002
RBP: 00007f71a472cd6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f71a4910038 R14: 00007f71a490ffa0 R15: 00007ffe0c23d7f8
Modules linked in:
---[ end trace 2d6cab91acbe3d20 ]---
RIP: 0010:prog_array_map_poke_run+0x6f4/0x710 kernel/bpf/arraymap.c:980
Code: 61 e9 ff eb 05 e8 ac 61 e9 ff 48 83 c4 58 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 98 61 e9 ff 0f 0b e9 78 f9 ff ff e8 8c 61 e9 ff <0f> 0b e8 85 61 e9 ff 0f 0b e8 7e 61 e9 ff 0f 0b e8 77 61 e9 ff 0f
RSP: 0018:ffffc90001a07c10 EFLAGS: 00010293
RAX: ffffffff817b6444 RBX: ffff88811582c590 RCX: ffff888126d03b40
RDX: 0000000000000000 RSI: 00000000fffffff0 RDI: 00000000ffffffea
RBP: ffffc90001a07c90 R08: ffffffff864eaec7 R09: 1ffffffff0c9d5d8
R10: dffffc0000000000 R11: fffffbfff0c9d5d9 R12: ffffffffa0034400
R13: ffff888111ba4c80 R14: 0000000000000001 R15: 00000000fffffff0
FS:  00007f71a30f16c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000100000000 CR3: 000000013fcd1000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000200000000300 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600