------------[ cut here ]------------
WARNING: CPU: 0 PID: 4850 at net/core/skbuff.c:1216 __sk_skb_reason_drop net/core/skbuff.c:1216 [inline]
WARNING: CPU: 0 PID: 4850 at net/core/skbuff.c:1216 sk_skb_reason_drop+0x9c/0x174 net/core/skbuff.c:1241
Modules linked in:
CPU: 0 UID: 0 PID: 4850 Comm: syz.1.567 Not tainted 6.12.0-syzkaller-10553-gb86545e02e8c #0
Hardware name: linux,dummy-virt (DT)
pstate: 20000005 (nzCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __sk_skb_reason_drop net/core/skbuff.c:1216 [inline]
pc : sk_skb_reason_drop+0x9c/0x174 net/core/skbuff.c:1241
lr : instrument_atomic_read_write include/linux/instrumented.h:96 [inline]
lr : atomic_fetch_sub_release include/linux/atomic/atomic-instrumented.h:400 [inline]
lr : __refcount_sub_and_test include/linux/refcount.h:264 [inline]
lr : __refcount_dec_and_test include/linux/refcount.h:307 [inline]
lr : refcount_dec_and_test include/linux/refcount.h:325 [inline]
lr : skb_unref include/linux/skbuff.h:1233 [inline]
lr : __sk_skb_reason_drop net/core/skbuff.c:1213 [inline]
lr : sk_skb_reason_drop+0x3c/0x174 net/core/skbuff.c:1241
sp : ffff8000a0e56f30
x29: ffff8000a0e56f30 x28: 0000000000000000 x27: ffff00001869017e
x26: ffff00001616e488 x25: ffff00001616e418 x24: 1fffe00002c2dc8f
x23: ffff00001616e49c x22: 0000000000000000 x21: ffff8000848a0ab8
x20: 00000000ffffffea x19: ffff00001616e3c0 x18: 000000009be2c94c
x17: ffff80008469dfe0 x16: 0000000000000000 x15: 1fffe000029f4514
x14: 1ffff000110e6efc x13: ffff000014fa28c0 x12: ffff600002c2dc94
x11: 1fffe00002c2dc93 x10: ffff600002c2dc93 x9 : dfff800000000000
x8 : ffff00001616e49f x7 : 0000000000000001 x6 : ffff600002c2dc93
x5 : ffff00001616e49c x4 : ffff00001616e49c x3 : 0000000000000000
x2 : 0000000000000000 x1 : 0000000000000001 x0 : 000000000000ffff
Call trace:
 __sk_skb_reason_drop net/core/skbuff.c:1216 [inline] (P)
 sk_skb_reason_drop+0x9c/0x174 net/core/skbuff.c:1241 (P)
 instrument_atomic_read_write include/linux/instrumented.h:96 [inline] (L)
 atomic_fetch_sub_release include/linux/atomic/atomic-instrumented.h:400 [inline] (L)
 __refcount_sub_and_test include/linux/refcount.h:264 [inline] (L)
 __refcount_dec_and_test include/linux/refcount.h:307 [inline] (L)
 refcount_dec_and_test include/linux/refcount.h:325 [inline] (L)
 skb_unref include/linux/skbuff.h:1233 [inline] (L)
 __sk_skb_reason_drop net/core/skbuff.c:1213 [inline] (L)
 sk_skb_reason_drop+0x3c/0x174 net/core/skbuff.c:1241 (L)
 kfree_skb_reason include/linux/skbuff.h:1263 [inline]
 ip_rcv_finish_core.constprop.0+0xb48/0x1a08 net/ipv4/ip_input.c:424
 ip_list_rcv_finish net/ipv4/ip_input.c:610 [inline]
 ip_sublist_rcv+0x1ec/0x6cc net/ipv4/ip_input.c:636
 ip_list_rcv+0x248/0x388 net/ipv4/ip_input.c:670
 __netif_receive_skb_list_ptype net/core/dev.c:5715 [inline]
 __netif_receive_skb_list_core+0x3a8/0x66c net/core/dev.c:5762
 __netif_receive_skb_list net/core/dev.c:5814 [inline]
 netif_receive_skb_list_internal+0x4e8/0xa04 net/core/dev.c:5905
 netif_receive_skb_list+0x4c/0x4e4 net/core/dev.c:5957
 xdp_recv_frames net/bpf/test_run.c:280 [inline]
 xdp_test_run_batch.constprop.0+0x1168/0x17e4 net/bpf/test_run.c:361
 bpf_test_run_xdp_live+0x26c/0x388 net/bpf/test_run.c:390
 bpf_prog_test_run_xdp+0x560/0x1634 net/bpf/test_run.c:1318
 bpf_prog_test_run kernel/bpf/syscall.c:4402 [inline]
 __sys_bpf+0xe6c/0x306c kernel/bpf/syscall.c:5808
 __do_sys_bpf kernel/bpf/syscall.c:5897 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5895 [inline]
 __arm64_sys_bpf+0x70/0xa4 kernel/bpf/syscall.c:5895
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x6c/0x258 arch/arm64/kernel/syscall.c:49
 el0_svc_common.constprop.0+0xac/0x230 arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x40/0x58 arch/arm64/kernel/syscall.c:151
 el0_svc+0x50/0x180 arch/arm64/kernel/entry-common.c:744
 el0t_64_sync_handler+0x10c/0x138 arch/arm64/kernel/entry-common.c:762
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600
irq event stamp: 959
hardirqs last  enabled at (958): [<ffff8000801af100>] __local_bh_enable_ip+0x180/0x4a4 kernel/softirq.c:387
hardirqs last disabled at (959): [<ffff8000852ec8c0>] el1_dbg+0x24/0x9c arch/arm64/kernel/entry-common.c:488
softirqs last  enabled at (568): [<ffff800080578abc>] spin_unlock_bh include/linux/spinlock.h:396 [inline]
softirqs last  enabled at (568): [<ffff800080578abc>] bpf_ksym_add+0x260/0x390 kernel/bpf/core.c:665
softirqs last disabled at (620): [<ffff800084697dd4>] xdp_test_run_batch.constprop.0+0xdc/0x17e4 net/bpf/test_run.c:298
---[ end trace 0000000000000000 ]---