loop1: detected capacity change from 0 to 40 watchdog: BUG: soft lockup - CPU#0 stuck for 26s! [syz-executor.5:6798] Modules linked in: irq event stamp: 3761343 hardirqs last enabled at (3761342): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (3761343): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (3699898): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (3699901): [] irq_exit_rcu+0x94/0xc0 CPU: 0 UID: 0 PID: 6798 Comm: syz-executor.5 Not tainted 6.12.0-rc3-next-20241016 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:stack_access_ok+0xe1/0x1d0 Code: c1 ea 03 80 3c 02 00 0f 85 e5 00 00 00 48 8b 73 28 48 89 da 48 89 ef e8 dd 2e f5 ff 85 c0 74 13 31 c0 48 83 c4 08 5b 5d 41 5c <41> 5d 41 5e e9 46 e3 6f 03 48 b8 00 00 00 00 00 fc ff df 48 8d 7b RSP: 0018:ffff88806ce095e0 EFLAGS: 00000282 RAX: ffff88803ddf8001 RBX: 0000000000000001 RCX: 0000000000000001 RDX: ffff88803ddf8001 RSI: ffff88803ddf7f58 RDI: ffff88806ce09678 RBP: ffff88806ce096c0 R08: ffffffff86bee0fa R09: ffff88806ce096a8 R10: 000000000003c001 R11: 00000000000c2f81 R12: ffff88806ce096c8 R13: ffff88803ddf0000 R14: ffff88803ddf7f58 R15: ffff88806ce09668 FS: 00007f4e00572700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000200006c2 CR3: 0000000031ab4000 CR4: 0000000000350ef0 Call Trace: unwind_next_frame+0xdb2/0x2490 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_node_noprof+0x14c/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+0x2cb/0x5d0 ieee80211_iterate_active_interfaces_atomic+0x71/0x1b0 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x1ab/0xa70 hrtimer_run_softirq+0x14c/0x310 handle_softirqs+0x1b1/0x770 irq_exit_rcu+0x94/0xc0 sysvec_apic_timer_interrupt+0x70/0x80 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:rcu_preempt_deferred_qs_irqrestore+0xf7/0xb90 Code: 45 84 ed 75 3b f7 c5 00 02 00 00 75 13 48 83 c4 40 5b 5d 41 5c 41 5d 41 5e 41 5f e9 53 ce 49 03 e8 ae d5 1e 00 fb 48 83 c4 40 <5b> 5d 41 5c 41 5d 41 5e 41 5f e9 3a ce 49 03 e8 95 4f ff ff eb 8f RSP: 0018:ffff88803ddf79f0 EFLAGS: 00000286 RAX: 00000000003196dd RBX: ffff88806ce3c780 RCX: 1ffffffff0c7dda1 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff813aa292 RBP: 0000000000000246 R08: 0000000000000001 R09: 0000000000000001 R10: ffffffff863f274f R11: 00000000000c2f81 R12: ffff88806ce3c791 R13: 0000000000010100 R14: ffff88803db55280 R15: 0000000000000d40 __rcu_read_unlock+0x25f/0x4f0 __is_insn_slot_addr+0x140/0x290 kernel_text_address+0x5b/0xc0 __kernel_text_address+0xd/0x40 unwind_get_return_address+0x59/0xa0 arch_stack_walk+0x9d/0xf0 stack_trace_save+0x8f/0xc0 set_track_prepare+0x36/0x70 __alloc_object+0xf4/0x270 __create_object+0x1d/0x80 kmem_cache_alloc_noprof+0x300/0x3d0 security_inode_alloc+0x3e/0x130 inode_init_always_gfp+0xc27/0xf60 alloc_inode+0x89/0x240 sock_alloc+0x40/0x270 __sock_create+0xc1/0x840 __sys_socket+0x147/0x260 __x64_sys_socket+0x73/0xb0 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f4e02ffcb19 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:00007f4e00572188 EFLAGS: 00000246 ORIG_RAX: 0000000000000029 RAX: ffffffffffffffda RBX: 00007f4e0310ff60 RCX: 00007f4e02ffcb19 RDX: 0000000000000010 RSI: 0000000000000003 RDI: 0000000000000010 RBP: 00007f4e03056f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe362b96df R14: 00007f4e00572300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 6800 Comm: syz-executor.1 Not tainted 6.12.0-rc3-next-20241016 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:lapic_next_deadline+0x25/0x50 Code: 90 90 90 90 90 f3 0f 1e fa 66 0f 1f 44 00 00 0f 31 48 c1 e2 20 b9 e0 06 00 00 48 09 c2 48 8d 04 fa 48 89 c2 48 c1 ea 20 0f 30 <66> 90 31 c0 e9 02 85 72 03 48 89 c6 31 d2 bf e0 06 00 00 e8 73 f9 RSP: 0018:ffff88806cf08f38 EFLAGS: 00000017 RAX: 000000d1fbbe35e0 RBX: 0000000000000000 RCX: 00000000000006e0 RDX: 00000000000000d1 RSI: ffff88806cf282c0 RDI: 000000000000015d RBP: ffff88806cf282c0 R08: 0000000000000001 R09: ffff88803be525b8 R10: 000000000000024f R11: 0000000000000000 R12: 000000000000015d R13: 0000000000000000 R14: 0000000000000000 R15: ffff88806cf2ce00 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055558752bc98 CR3: 000000000b8be000 CR4: 0000000000350ef0 Call Trace: clockevents_program_event+0x248/0x360 tick_program_event+0xa4/0x140 hrtimer_interrupt+0x343/0x750 __sysvec_apic_timer_interrupt+0xc2/0x390 sysvec_apic_timer_interrupt+0x34/0x80 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:_ieee802_11_parse_elems_full+0xa71/0x3ec0 Code: 1e e8 83 29 f3 fc 8b bc 24 b8 00 00 00 4c 89 e2 4c 89 ee e8 71 d2 cc fd 89 84 24 b8 00 00 00 e8 65 29 f3 fc 44 0f b6 74 24 28 04 00 00 00 44 89 f6 e8 22 2c f3 fc 41 80 fe 04 0f 84 c0 fa ff RSP: 0018:ffff88806cf09120 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 00000000000000dd RCX: ffffffff845e5293 RDX: ffff88803be51b80 RSI: ffffffff845e52bb RDI: 0000000000000007 RBP: ffff88801cd4b9bd R08: 0000000000000001 R09: ffffed100d9e123d R10: 0000000000000000 R11: 00000000000c2f81 R12: 0000000000000009 R13: ffff88801cd4b9bc R14: 0000000000000007 R15: dffffc0000000000 ieee802_11_parse_elems_full+0x979/0x15a0 ieee80211_inform_bss+0xf7/0x10b0 cfg80211_inform_single_bss_data+0x7fe/0x1c50 cfg80211_inform_bss_data+0x20f/0x3510 cfg80211_inform_bss_frame_data+0x250/0x690 ieee80211_bss_info_update+0x2f6/0xa90 ieee80211_scan_rx+0x474/0xac0 ieee80211_rx_list+0x21ec/0x2cf0 ieee80211_rx_napi+0xdc/0x3b0 ieee80211_handle_queued_frames+0xd9/0x130 tasklet_action_common+0x235/0x3b0 handle_softirqs+0x1b1/0x770 irq_exit_rcu+0x94/0xc0 sysvec_apic_timer_interrupt+0x70/0x80 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:finish_task_switch.isra.0+0x20f/0x840 Code: 4c 89 ff 48 c7 03 00 00 00 00 e8 9c cf 5e 03 4d 85 e4 75 ba 4c 89 ff e8 ff b5 5e 03 e8 2a dd 33 00 fb 65 48 8b 1d a1 0b de 7e <48> 8d bb c8 14 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 RSP: 0018:ffff88803f5e74e8 EFLAGS: 00000206 RAX: 00000000000f42f3 RBX: ffff88803be51b80 RCX: 1ffffffff0fdcfb2 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff81259b16 RBP: ffff88803f5e7528 R08: 0000000000000001 R09: fffffbfff0fda9d9 R10: ffffffff87ed4ecf R11: ffff888039c6a028 R12: ffff88806cf3b998 R13: ffff888039c69b80 R14: ffff88806cf3b998 R15: ffff88806cf3b980 __schedule+0xd88/0x2f50 __cond_resched+0x45/0x70 unmap_page_range+0x729/0x3530 unmap_single_vma+0x19a/0x2b0 unmap_vmas+0x1f1/0x450 exit_mmap+0x187/0xa30 mmput+0xd5/0x350 do_exit+0x9ae/0x2a30 do_group_exit+0xd3/0x2a0 get_signal+0x219f/0x23d0 arch_do_signal_or_restart+0x81/0x780 syscall_exit_to_user_mode+0x123/0x1e0 do_syscall_64+0xcc/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7feeb27988d7 Code: Unable to access opcode bytes at 0x7feeb27988ad. RSP: 002b:00007feeafd0df48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: 0000000000000000 RBX: 00007feeb27e2970 RCX: 00007feeb27988d7 RDX: 0000000000000005 RSI: 0000000000004c00 RDI: 0000000000000006 RBP: 0000000000000006 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 R13: 0000000000000005 R14: 0000000020000230 R15: 0000000000000002 loop1: detected capacity change from 0 to 40 ---------------- Code disassembly (best guess): 0: c1 ea 03 shr $0x3,%edx 3: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) 7: 0f 85 e5 00 00 00 jne 0xf2 d: 48 8b 73 28 mov 0x28(%rbx),%rsi 11: 48 89 da mov %rbx,%rdx 14: 48 89 ef mov %rbp,%rdi 17: e8 dd 2e f5 ff callq 0xfff52ef9 1c: 85 c0 test %eax,%eax 1e: 74 13 je 0x33 20: 31 c0 xor %eax,%eax 22: 48 83 c4 08 add $0x8,%rsp 26: 5b pop %rbx 27: 5d pop %rbp 28: 41 5c pop %r12 * 2a: 41 5d pop %r13 <-- trapping instruction 2c: 41 5e pop %r14 2e: e9 46 e3 6f 03 jmpq 0x36fe379 33: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 3a: fc ff df 3d: 48 rex.W 3e: 8d .byte 0x8d 3f: 7b .byte 0x7b