syzbot

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kernel BUG at kernel/bpf/arraymap.c:993!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 464 Comm: kworker/1:13 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
Workqueue: events prog_array_map_clear_deferred
RIP: 0010:prog_array_map_poke_run+0x6fb/0x710 kernel/bpf/arraymap.c:993
Code: 95 e9 ff 48 83 c4 58 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 d8 95 e9 ff 0f 0b e9 78 f9 ff ff e8 cc 95 e9 ff 0f 0b e8 c5 95 e9 ff <0f> 0b e8 be 95 e9 ff 0f 0b e8 b7 95 e9 ff 0f 0b 0f 1f 44 00 00 55
RSP: 0018:ffffc90000d97c18 EFLAGS: 00010293
RAX: ffffffff817a0e7b RBX: ffff8881085f5690 RCX: ffff888112f38000
RDX: 0000000000000000 RSI: 00000000fffffff0 RDI: 00000000ffffffea
RBP: ffffc90000d97c98 R08: dffffc0000000000 R09: fffffbfff0c5d4e9
R10: fffffbfff0c5d4e9 R11: 1ffffffff0c5d4e8 R12: 00000000fffffff0
R13: ffff8881204c9180 R14: 0000000000000001 R15: ffff8881204c9100
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c005fd450c CR3: 0000000106fb0000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 fd_array_map_delete_elem+0x14c/0x250 kernel/bpf/arraymap.c:786
 bpf_fd_array_map_clear kernel/bpf/arraymap.c:834 [inline]
 prog_array_map_clear_deferred+0x9e/0x140 kernel/bpf/arraymap.c:1013
 process_one_work+0x6e1/0xba0 kernel/workqueue.c:2301
 worker_thread+0xa6a/0x13b0 kernel/workqueue.c:2447
 kthread+0x346/0x3d0 kernel/kthread.c:313
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
Modules linked in:
---[ end trace 8527deb7c911f4b5 ]---
RIP: 0010:prog_array_map_poke_run+0x6fb/0x710 kernel/bpf/arraymap.c:993
Code: 95 e9 ff 48 83 c4 58 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 d8 95 e9 ff 0f 0b e9 78 f9 ff ff e8 cc 95 e9 ff 0f 0b e8 c5 95 e9 ff <0f> 0b e8 be 95 e9 ff 0f 0b e8 b7 95 e9 ff 0f 0b 0f 1f 44 00 00 55
RSP: 0018:ffffc90000d97c18 EFLAGS: 00010293
RAX: ffffffff817a0e7b RBX: ffff8881085f5690 RCX: ffff888112f38000
RDX: 0000000000000000 RSI: 00000000fffffff0 RDI: 00000000ffffffea
RBP: ffffc90000d97c98 R08: dffffc0000000000 R09: fffffbfff0c5d4e9
R10: fffffbfff0c5d4e9 R11: 1ffffffff0c5d4e8 R12: 00000000fffffff0
R13: ffff8881204c9180 R14: 0000000000000001 R15: ffff8881204c9100
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1f7d3da254 CR3: 000000010a9c9000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400