RBP: 00007efc6e50b1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000200001c0 R11: 0000000000000246 R12: 0000000000000001 R13: 00007fff39a7b1af R14: 00007efc6e50b300 R15: 0000000000022000 ------------[ cut here ]------------ WARNING: kernel/printk/printk_ringbuffer.c:1278 at get_data+0x364/0x400, CPU#1: kworker/u10:2/58 Modules linked in: CPU: 1 UID: 0 PID: 58 Comm: kworker/u10:2 Not tainted 6.18.0-rc4-next-20251107 #1 PREEMPT(voluntary) Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Workqueue: events_unbound cfg80211_wiphy_work 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 57 c7 5c 00 e9 a9 fe ff ff e8 7d 1d 1f 00 90 <0f> 0b 90 45 31 e4 e9 3b ff ff ff e8 6c 1d 1f 00 90 0f 0b 90 45 31 RSP: 0018:ffff88806cf086b8 EFLAGS: 00010046 RAX: 0000000080010000 RBX: ffff88806cf087d0 RCX: ffffffff8155afe6 RDX: ffff888009f63780 RSI: ffffffff8155b1b3 RDI: 0000000000000006 RBP: ffff88806cf08798 R08: 000000000000112c R09: 000000c2226e04cf R10: 0000000000000000 R11: 00001cc982000019 R12: ffffffff85d2e610 R13: 00003fffffffffff R14: 0000000000000000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880e5498000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007efc6e50af78 CR3: 000000001d2ee000 CR4: 0000000000350ef0 Call Trace: _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 wake_up_klogd_work_func+0x17c/0x1e0 irq_work_single+0x128/0x260 irq_work_run_list+0x91/0xc0 update_process_times+0x12f/0x210 tick_nohz_handler+0x4ff/0x8c0 __hrtimer_run_queues+0x60f/0xab0 hrtimer_interrupt+0x369/0x830 __sysvec_apic_timer_interrupt+0xbb/0x330 sysvec_apic_timer_interrupt+0x6b/0x80 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:lock_acquire+0x5b/0x2f0 Code: 30 31 c0 eb 4b 65 8b 05 b7 3a 56 06 89 c0 48 0f a3 05 c9 5f 12 05 0f 82 3a 01 00 00 8b 35 01 6a 12 05 85 f6 0f 85 84 00 00 00 <48> 8b 44 24 30 65 48 2b 05 60 3a 56 06 0f 85 6e 02 00 00 48 83 c4 RSP: 0018:ffff888009f3eed8 EFLAGS: 00000206 RAX: 0000000000000001 RBX: 0000000000000000 RCX: a590323f82daba7b RDX: 0000000091b224a7 RSI: 00000000beb27846 RDI: 00000000eae9da32 RBP: ffffffff85e1bcc0 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000002 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000200 unwind_next_frame+0xcd/0x2540 arch_stack_walk+0x86/0xf0 stack_trace_save+0x8e/0xc0 set_track_prepare+0x35/0x70 __alloc_object+0xf0/0x2c0 __create_object+0x1d/0x80 __kmalloc_noprof+0x426/0x680 cfg80211_inform_single_bss_data+0x4e9/0x1bd0 cfg80211_inform_bss_data+0x215/0x34f0 cfg80211_inform_bss_frame_data+0x253/0x6b0 ieee80211_bss_info_update+0x2f5/0xa90 ieee80211_ibss_rx_queued_mgmt+0x18c9/0x2f70 ieee80211_iface_work+0xd52/0x1220 cfg80211_wiphy_work+0x35d/0x490 process_one_work+0x8e1/0x19c0 worker_thread+0x67e/0xe90 kthread+0x3c8/0x740 ret_from_fork+0x67a/0x7a0 ret_from_fork_asm+0x1a/0x30 irq event stamp: 358458 hardirqs last enabled at (358457): [] ___slab_alloc+0x37f/0x11e0 hardirqs last disabled at (358458): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (358434): [] ieee80211_ibss_work+0x2e5/0x1360 softirqs last disabled at (358432): [] ieee80211_ibss_work+0x120/0x1360 ---[ end trace 0000000000000000 ]--- netlink: 8 bytes leftover after parsing attributes in process `syz-executor.0'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor.0'. ---------------- Code disassembly (best guess): 0: 30 31 xor %dh,(%rcx) 2: c0 eb 4b shr $0x4b,%bl 5: 65 8b 05 b7 3a 56 06 mov %gs:0x6563ab7(%rip),%eax # 0x6563ac3 c: 89 c0 mov %eax,%eax e: 48 0f a3 05 c9 5f 12 bt %rax,0x5125fc9(%rip) # 0x5125fdf 15: 05 16: 0f 82 3a 01 00 00 jb 0x156 1c: 8b 35 01 6a 12 05 mov 0x5126a01(%rip),%esi # 0x5126a23 22: 85 f6 test %esi,%esi 24: 0f 85 84 00 00 00 jne 0xae * 2a: 48 8b 44 24 30 mov 0x30(%rsp),%rax <-- trapping instruction 2f: 65 48 2b 05 60 3a 56 sub %gs:0x6563a60(%rip),%rax # 0x6563a97 36: 06 37: 0f 85 6e 02 00 00 jne 0x2ab 3d: 48 rex.W 3e: 83 .byte 0x83 3f: c4 .byte 0xc4