loop1: detected capacity change from 0 to 512 EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000. watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [syz-executor.6:5810] Modules linked in: irq event stamp: 2019503 hardirqs last enabled at (2019502): [] _raw_spin_unlock_irqrestore+0x2c/0x50 hardirqs last disabled at (2019503): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2006080): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2006103): [] __irq_exit_rcu+0xc4/0x100 CPU: 1 UID: 0 PID: 5810 Comm: syz-executor.6 Not tainted 6.12.0-rc7-next-20241115 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:mac80211_hwsim_addr_iter+0x88/0x1e0 Code: 7d 1c 4c 89 f6 ba 06 00 00 00 e8 93 b1 46 01 31 ff 89 c5 89 c6 e8 38 c4 17 fe 85 ed 0f 84 fc 00 00 00 e8 fb c0 17 fe 83 c3 01 0f 00 00 00 49 83 c4 08 89 de e8 18 c4 17 fe 83 fb 0f 0f 84 0c RSP: 0018:ffff88806cf099c8 EFLAGS: 00000206 RAX: 0000000000000000 RBX: 0000000000000009 RCX: ffffffff833a407e RDX: ffff888015e23700 RSI: ffffffff833a4005 RDI: 0000000000000005 RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1002c3da70 R10: 0000000000000001 R11: 0001000000000000 R12: ffff8880161ee9f0 R13: ffff8880161ee5f8 R14: ffff88806cf09ac8 R15: 0000000000000001 FS: 00007f09d232b700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fe86657a344 CR3: 00000000166ce000 CR4: 0000000000350ef0 Call Trace: __iterate_interfaces+0x2e0/0x650 ieee80211_iterate_active_interfaces_atomic+0x71/0x1b0 mac80211_hwsim_addr_match+0x128/0x180 mac80211_hwsim_tx_frame_no_nl.isra.0+0xb21/0x1320 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/0xa70 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:qlist_free_all+0x96/0x160 Code: 0f 82 e0 00 00 00 48 c7 c2 00 00 00 80 48 2b 15 c0 c4 f1 03 48 01 ca 48 c1 ea 0c 48 c1 e2 06 48 03 15 9e c4 f1 03 48 8b 72 08 <48> 89 d1 40 f6 c6 01 0f 85 a1 00 00 00 66 90 80 79 33 f5 ba 00 00 RSP: 0018:ffff88803fa87590 EFLAGS: 00000282 RAX: ffff8880169a6818 RBX: ffff8880169a6818 RCX: ffff8880969a6818 RDX: ffffea00005a6980 RSI: ffff888008c4f780 RDI: ffffffff81849d96 RBP: 0000000000000000 R08: 0000000000000001 R09: fffffbfff0fdddf1 R10: ffffffff87eeef8f R11: 0000000000000000 R12: 0000000000000000 R13: ffff88803fa875c8 R14: ffff88800f02bcb8 R15: ffff88800f02bcb8 kasan_quarantine_reduce+0x19f/0x240 __kasan_slab_alloc+0x49/0x70 kmem_cache_alloc_noprof+0x13d/0x3d0 __proc_create+0x2b7/0x8d0 _proc_mkdir+0xb2/0x200 netfilter_net_init+0x215/0x300 ops_init+0x1e1/0x650 setup_net+0x1d7/0x7a0 copy_net_ns+0x2e3/0x6f0 create_new_namespaces+0x3f6/0xaf0 copy_namespaces+0x45c/0x580 copy_process+0x2704/0x8e90 kernel_clone+0xeb/0x850 __do_sys_clone3+0x1d9/0x260 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f09d4db5b19 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:00007f09d232b188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3 RAX: ffffffffffffffda RBX: 00007f09d4ec8f60 RCX: 00007f09d4db5b19 RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020004c00 RBP: 00007f09d4e0ff6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff2a446c5f R14: 00007f09d232b300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 6.12.0-rc7-next-20241115 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:trace_lock_acquire+0x139/0x1b0 Code: 89 e9 48 89 ee e8 97 4e ff ff 58 5a 65 ff 0d d6 7c d4 7e 0f 85 e8 fe ff ff 0f 1f 44 00 00 e9 e5 fe ff ff e8 79 24 0a 00 84 c0 <0f> 85 05 ff ff ff 80 3d 92 b9 0d 05 00 0f 85 f8 fe ff ff c6 05 85 RSP: 0018:ffff88806ce095b0 EFLAGS: 00000202 RAX: 0000000000000001 RBX: 0000000000000000 RCX: ffffffff812f2906 RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff88806ce365d0 RBP: ffffffff85c16180 R08: 0000000000000000 R09: fffffbfff0c7f472 R10: ffffffff863fa397 R11: 00000000000c1e36 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000002 R15: 000000000003a6cc FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000563a26fec3d0 CR3: 000000000f166000 CR4: 0000000000350ef0 Call Trace: lock_acquire+0x32/0xc0 __is_insn_slot_addr+0x3f/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 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 __netdev_alloc_skb+0x7a/0x7c0 __ieee80211_beacon_get+0x3f4/0xfc0 ieee80211_beacon_get_tim+0xa6/0x280 mac80211_hwsim_beacon_tx+0x49b/0x950 __iterate_interfaces+0x2e0/0x650 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+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 29 d0 3d 00 0f 1f 44 00 00 fb f4 e9 7c 2e 02 00 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 RSP: 0018:ffffffff85a07e10 EFLAGS: 00000202 RAX: 0000000000173c83 RBX: 0000000000000000 RCX: ffffffff8484aaf7 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff812b0fca RBP: dffffc0000000000 R08: 0000000000000001 R09: ffffed100d9c6cba R10: ffff88806ce365d3 R11: 0000000000000000 R12: ffffffff863fa390 R13: 1ffffffff0b40fc7 R14: 0000000000000000 R15: 0000000000000000 default_idle_call+0x6d/0xb0 do_idle+0x2fa/0x3b0 cpu_startup_entry+0x4f/0x60 rest_init+0x164/0x290 start_kernel+0x40d/0x530 x86_64_start_reservations+0x18/0x30 x86_64_start_kernel+0xcb/0xe0 common_startup_64+0x12c/0x138 ---------------- Code disassembly (best guess): 0: 7d 1c jge 0x1e 2: 4c 89 f6 mov %r14,%rsi 5: ba 06 00 00 00 mov $0x6,%edx a: e8 93 b1 46 01 callq 0x146b1a2 f: 31 ff xor %edi,%edi 11: 89 c5 mov %eax,%ebp 13: 89 c6 mov %eax,%esi 15: e8 38 c4 17 fe callq 0xfe17c452 1a: 85 ed test %ebp,%ebp 1c: 0f 84 fc 00 00 00 je 0x11e 22: e8 fb c0 17 fe callq 0xfe17c122 27: 83 c3 01 add $0x1,%ebx * 2a: bf 0f 00 00 00 mov $0xf,%edi <-- trapping instruction 2f: 49 83 c4 08 add $0x8,%r12 33: 89 de mov %ebx,%esi 35: e8 18 c4 17 fe callq 0xfe17c452 3a: 83 fb 0f cmp $0xf,%ebx 3d: 0f .byte 0xf 3e: 84 .byte 0x84 3f: 0c .byte 0xc