wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 watchdog: BUG: soft lockup - CPU#0 stuck for 21s! [syz-executor.7:19410] Modules linked in: irq event stamp: 4346023 hardirqs last enabled at (4346022): [] __call_rcu_common.constprop.0+0x699/0xbd0 hardirqs last disabled at (4346023): [] sysvec_apic_timer_interrupt+0xf/0x90 softirqs last enabled at (4332880): [] irq_exit_rcu+0x93/0xc0 softirqs last disabled at (4332883): [] irq_exit_rcu+0x93/0xc0 CPU: 0 PID: 19410 Comm: syz-executor.7 Not tainted 6.5.0-rc4-next-20230801 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__call_rcu_common.constprop.0+0x69e/0xbd0 Code: 3c 02 00 0f 85 6d 04 00 00 48 8b 05 4c e5 29 04 49 03 86 18 01 00 00 49 39 c4 0f 8f 69 02 00 00 e8 57 6f 1c 00 fb 48 83 c4 18 <5b> 5d 41 5c 41 5d 41 5e 41 5f e9 63 f1 24 03 e8 4e 70 1c 00 e9 c2 RSP: 0018:ffff88806ce09c48 EFLAGS: 00000286 RAX: 00000000004250a6 RBX: ffff8880448ffec0 RCX: ffffffff812d4bff RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff81379009 RBP: ffff88806ce3a418 R08: 0000000000000001 R09: fffffbfff0ee7765 R10: ffffffff8773bb2f R11: 0000000000000001 R12: 000000000000034f R13: ffff88806ce3a3e8 R14: ffff88806ce3a300 R15: 0000000000000000 FS: 00007fbfc4d21700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fbfc4d1ff98 CR3: 0000000047520000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: kmem_cache_free+0xc1/0x4d0 kfree_skbmem+0xef/0x1b0 consume_skb+0x126/0x2e0 mac80211_hwsim_tx_frame+0x1f6/0x2a0 mac80211_hwsim_beacon_tx+0x427/0x730 __iterate_interfaces+0x2d3/0x580 ieee80211_iterate_active_interfaces_atomic+0x73/0x1c0 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x59d/0xb60 hrtimer_run_softirq+0x14c/0x310 __do_softirq+0x1b7/0x7d4 irq_exit_rcu+0x93/0xc0 sysvec_apic_timer_interrupt+0x6e/0x90 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:put_cpu_partial+0x107/0x1b0 Code: 39 45 28 75 5e 48 c7 45 28 00 00 00 00 48 c7 c6 b2 9f 81 81 48 89 ef e8 b7 4e ac ff 48 85 db 74 06 e8 8d 5f d2 ff fb 4d 85 f6 <74> 1e 5b 4c 89 f6 5d 4c 89 e7 41 5c 41 5d 41 5e 41 5f e9 12 fa ff RSP: 0018:ffff88804470f540 EFLAGS: 00000246 RAX: 00000000004041d3 RBX: 0000000000000200 RCX: ffffffff812d4bff RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff81819fd3 RBP: ffff88806ce3de60 R08: 0000000000000001 R09: fffffbfff0ee7765 R10: ffffffff8773bb2f R11: 0000000000000001 R12: ffff88800844f780 R13: ffffea00003f83c0 R14: 0000000000000000 R15: 0000000000000002 qlist_free_all+0x6d/0x1a0 kasan_quarantine_reduce+0x199/0x230 __kasan_slab_alloc+0x49/0x70 kmem_cache_alloc+0x17b/0x390 __create_object+0x3c/0xc90 kmem_cache_alloc+0x21f/0x390 __proc_create+0x2b3/0x8b0 proc_create_reg+0xb6/0x180 proc_create_seq_private+0x90/0x180 dev_proc_net_init+0xa8/0x1c0 ops_init+0xbb/0x6b0 setup_net+0x3d9/0x990 copy_net_ns+0x321/0x770 create_new_namespaces+0x3f6/0xb30 copy_namespaces+0x414/0x500 copy_process+0x2b78/0x7320 kernel_clone+0xeb/0x810 __do_sys_clone3+0x1d5/0x250 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x6e/0xd8 RIP: 0033:0x7fbfc77abb19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fbfc4d21188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3 RAX: ffffffffffffffda RBX: 00007fbfc78bef60 RCX: 00007fbfc77abb19 RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020004c00 RBP: 00007fbfc7805f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe8749fdaf R14: 00007fbfc4d21300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 skipped: idling at default_idle+0xf/0x20 hpet: Lost 3 RTC interrupts hpet: Lost 1 RTC interrupts ---------------- Code disassembly (best guess): 0: 3c 02 cmp $0x2,%al 2: 00 0f add %cl,(%rdi) 4: 85 6d 04 test %ebp,0x4(%rbp) 7: 00 00 add %al,(%rax) 9: 48 8b 05 4c e5 29 04 mov 0x429e54c(%rip),%rax # 0x429e55c 10: 49 03 86 18 01 00 00 add 0x118(%r14),%rax 17: 49 39 c4 cmp %rax,%r12 1a: 0f 8f 69 02 00 00 jg 0x289 20: e8 57 6f 1c 00 callq 0x1c6f7c 25: fb sti 26: 48 83 c4 18 add $0x18,%rsp * 2a: 5b pop %rbx <-- trapping instruction 2b: 5d pop %rbp 2c: 41 5c pop %r12 2e: 41 5d pop %r13 30: 41 5e pop %r14 32: 41 5f pop %r15 34: e9 63 f1 24 03 jmpq 0x324f19c 39: e8 4e 70 1c 00 callq 0x1c708c 3e: e9 .byte 0xe9 3f: c2 .byte 0xc2