loop3: detected capacity change from 0 to 40 watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [syz-executor.6:10773] Modules linked in: irq event stamp: 5199989 hardirqs last enabled at (5199988): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (5199989): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (5152338): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (5152341): [] __irq_exit_rcu+0xc4/0x100 CPU: 0 UID: 0 PID: 10773 Comm: syz-executor.6 Not tainted 6.12.0-next-20241128 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:unwind_next_frame+0x11e0/0x2490 Code: 4c 89 44 24 18 48 89 4c 24 10 e8 fb 46 77 00 4c 8b 44 24 18 48 8b 4c 24 10 e9 18 f4 ff ff 49 8d be 80 00 00 00 e8 40 e4 ff ff <48> 89 ee 48 8b 4c 24 10 48 ba 00 00 00 00 00 fc ff df 48 c1 ee 03 RSP: 0018:ffff88806ce09508 EFLAGS: 00000202 RAX: ffffffff8184b209 RBX: 0000000000000001 RCX: 0000000000000001 RDX: ffff88803cd6fc01 RSI: ffff88803cd6fb78 RDI: ffff88803cd6fbf8 RBP: ffff88806ce095d0 R08: ffffffff86bfd912 R09: ffff88806ce095b8 R10: 000000000003c001 R11: 00000000000c3d3e R12: ffff88806ce095d8 R13: ffff88806ce095c0 R14: ffff88803cd6fb78 R15: ffff88806ce09578 FS: 00007f3c03bac700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000001ab70000 CR4: 0000000000350ef0 Call Trace: arch_stack_walk+0x87/0xf0 stack_trace_save+0x8f/0xc0 kasan_save_stack+0x24/0x50 kasan_save_track+0x14/0x30 __kasan_slab_alloc+0x59/0x70 kmem_cache_alloc_noprof+0x13d/0x3d0 __alloc_object+0x2f/0x270 __create_object+0x1d/0x80 kmem_cache_alloc_node_noprof+0x311/0x3e0 __alloc_skb+0x2ad/0x370 skb_copy+0x1d5/0x3b0 mac80211_hwsim_tx_frame_no_nl.isra.0+0xafb/0x1320 mac80211_hwsim_tx_frame+0x1ee/0x2a0 mac80211_hwsim_beacon_tx+0x546/0x950 __iterate_interfaces+0x2e0/0x650 ieee80211_iterate_active_interfaces_atomic+0x71/0x1b0 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x1ab/0xa80 hrtimer_run_softirq+0x14c/0x310 handle_softirqs+0x1b1/0x770 __irq_exit_rcu+0xc4/0x100 irq_exit_rcu+0x9/0x20 sysvec_apic_timer_interrupt+0x70/0x80 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:__slab_free+0xa9/0x310 Code: 4c 89 ea 4c 89 e6 4c 8b 44 24 20 e8 01 9f ff ff 84 c0 74 9d 4c 89 e8 45 89 f5 49 89 c6 45 84 ed 0f 84 ed 00 00 00 48 8d 65 d8 <5b> 41 5c 41 5d 41 5e 41 5f 5d e9 08 87 02 03 0f 1f 44 00 00 4d 85 RSP: 0018:ffff88803cd6fc28 EFLAGS: 00000286 RAX: ffff888033618128 RBX: 00000000000d0008 RCX: 00000000000d0008 RDX: 00000000000d0009 RSI: ffffea0000cd8600 RDI: 0000000000080000 RBP: ffff88803cd6fc50 R08: ffff888033618378 R09: 00000000000d0008 R10: ffffea0000cd8600 R11: 0000000000000000 R12: ffffea0000cd8600 R13: 0000000000000000 R14: ffff888033618128 R15: ffff888008c4f780 qlist_free_all+0x50/0x160 kasan_quarantine_reduce+0x19f/0x240 __kasan_slab_alloc+0x49/0x70 kmem_cache_alloc_noprof+0x13d/0x3d0 security_inode_alloc+0x3e/0x130 inode_init_always_gfp+0xc94/0xff0 alloc_inode+0x89/0x240 sock_alloc+0x40/0x270 __sock_create+0xc1/0x810 __sys_socket+0x147/0x260 __x64_sys_socket+0x73/0xb0 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3c06657b19 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:00007f3c03bac188 EFLAGS: 00000246 ORIG_RAX: 0000000000000029 RAX: ffffffffffffffda RBX: 00007f3c0676b020 RCX: 00007f3c06657b19 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 000000000000000a RBP: 00007f3c066b1f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffbd5e940f R14: 00007f3c03bac300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted 6.12.0-next-20241128 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:queued_spin_lock_slowpath+0x242/0xb60 Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 85 08 00 00 b8 01 00 00 00 66 89 45 00 e9 bf fe ff ff 89 44 24 38 f3 90 5b fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 RSP: 0018:ffff88806cf099e0 EFLAGS: 00000202 RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff848722cf RDX: fffffbfff0c1b789 RSI: 0000000000000004 RDI: ffffffff860dbc40 RBP: ffffffff860dbc40 R08: 0000000000000000 R09: fffffbfff0c1b788 R10: ffffffff860dbc43 R11: 5050505001000011 R12: 1ffff1100d9e133d R13: 0000000000000003 R14: fffffbfff0c1b788 R15: ffff88806cf09a18 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f5ebba23010 CR3: 000000001a8d4000 CR4: 0000000000350ef0 Call Trace: do_raw_spin_lock+0x1de/0x270 mac80211_hwsim_tx_frame_no_nl.isra.0+0x6d1/0x1320 mac80211_hwsim_tx_frame+0x1ee/0x2a0 mac80211_hwsim_beacon_tx+0x546/0x950 __iterate_interfaces+0x2e0/0x650 ieee80211_iterate_active_interfaces_atomic+0x71/0x1b0 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x1ab/0xa80 hrtimer_run_softirq+0x14c/0x310 handle_softirqs+0x1b1/0x770 __irq_exit_rcu+0xc4/0x100 irq_exit_rcu+0x9/0x20 sysvec_apic_timer_interrupt+0x70/0x80 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:default_idle+0x1e/0x30 Code: 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 0f 1f 44 00 00 eb 0c 0f 1f 44 00 00 0f 00 2d d9 80 3d 00 0f 1f 44 00 00 fb f4 e9 6c 2e 02 00 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 RSP: 0018:ffff8880096cfe68 EFLAGS: 00000206 RAX: 0000000000246fa5 RBX: 0000000000000001 RCX: ffffffff8484fb07 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff812b110a RBP: dffffc0000000000 R08: 0000000000000001 R09: ffffed100d9e6cba R10: ffff88806cf365d3 R11: 0000000000000000 R12: ffffffff863f9f10 R13: 1ffff110012d9fd2 R14: 0000000000000000 R15: 0000000000000000 default_idle_call+0x6d/0xb0 do_idle+0x2fa/0x3b0 cpu_startup_entry+0x4f/0x60 start_secondary+0x1c1/0x220 common_startup_64+0x12c/0x138 ---------------- Code disassembly (best guess): 0: 4c 89 44 24 18 mov %r8,0x18(%rsp) 5: 48 89 4c 24 10 mov %rcx,0x10(%rsp) a: e8 fb 46 77 00 callq 0x77470a f: 4c 8b 44 24 18 mov 0x18(%rsp),%r8 14: 48 8b 4c 24 10 mov 0x10(%rsp),%rcx 19: e9 18 f4 ff ff jmpq 0xfffff436 1e: 49 8d be 80 00 00 00 lea 0x80(%r14),%rdi 25: e8 40 e4 ff ff callq 0xffffe46a * 2a: 48 89 ee mov %rbp,%rsi <-- trapping instruction 2d: 48 8b 4c 24 10 mov 0x10(%rsp),%rcx 32: 48 ba 00 00 00 00 00 movabs $0xdffffc0000000000,%rdx 39: fc ff df 3c: 48 c1 ee 03 shr $0x3,%rsi