mac80211_hwsim hwsim16 wlan1: entered allmulticast mode
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WARNING: kernel/printk/printk_ringbuffer.c:1278 at get_data+0x364/0x400, CPU#0: syz-executor.5/207368
Modules linked in:
CPU: 0 UID: 0 PID: 207368 Comm: syz-executor.5 Not tainted 6.18.0-rc3-next-20251028 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:get_data+0x364/0x400
Code: e8 83 e0 07 83 c0 03 38 d0 0f 8c be fe ff ff 84 d2 0f 84 b6 fe ff ff 48 89 ef e8 47 95 5b 00 e9 a9 fe ff ff e8 3d bb 1e 00 90 <0f> 0b 90 45 31 e4 e9 3b ff ff ff e8 2c bb 1e 00 90 0f 0b 90 45 31
RSP: 0018:ffff88804e58f330 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff88804e58f448 RCX: ffffffff81555756
RDX: ffff8880508ed280 RSI: ffffffff81555923 RDI: 0000000000000006
RBP: ffff88804e58f410 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff85d30650
R13: 00003fffffffffff R14: 0000000000000000 R15: 0000000000000000
FS:  0000555567f08400(0000) GS:ffff8880e53f4000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055555fc84c18 CR3: 0000000050264000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 _prb_read_valid+0x2f3/0x830
 prb_read_valid+0x78/0xa0
 printk_get_next_message+0x10b/0x570
 console_flush_one_record+0x64f/0xb20
 __console_flush_and_unlock+0xb1/0x1d0
 vprintk_emit+0x4c1/0x690
 dev_printk_emit+0xd9/0x120
 __netdev_printk+0x1f3/0x4f0
 netdev_info+0xdb/0x120
 netif_set_allmulti+0x1e3/0x400
 dev_set_allmulti+0xb3/0x170
 packet_dev_mc+0x20d/0x290
 packet_release+0x49f/0xbf0
 __sock_release+0xb3/0x270
 sock_close+0x1c/0x30
 __fput+0x401/0xb50
 fput_close_sync+0x10f/0x240
 __x64_sys_close+0x8f/0x120
 do_syscall_64+0xbf/0x390
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7efd2b8ad72b
Code: 0f 05 48 3d 00 f0 ff ff 77 45 c3 0f 1f 40 00 48 83 ec 18 89 7c 24 0c e8 63 fc ff ff 8b 7c 24 0c 41 89 c0 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 44 89 c7 89 44 24 0c e8 a1 fc ff ff 8b 44
RSP: 002b:00007ffcf94db460 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007efd2b8ad72b
RDX: 00007efd2ba149a0 RSI: ffffffff84c47eac RDI: 0000000000000008
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000001b2d524718
R10: 0000000000000e57 R11: 0000000000000293 R12: 0000000000232c12
R13: 00000000000003e8 R14: 00007efd2ba0df60 R15: 0000000000232bfe
 </TASK>
irq event stamp: 2939
hardirqs last  enabled at (2945): [<ffffffff8154e490>] vprintk_emit+0x650/0x690
hardirqs last disabled at (2950): [<ffffffff8154e421>] vprintk_emit+0x5e1/0x690
softirqs last  enabled at (2764): [<ffffffff813bc26c>] handle_softirqs+0x50c/0x770
softirqs last disabled at (2741): [<ffffffff813bc604>] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---