lo: entered allmulticast mode loop2: detected capacity change from 0 to 256 vfat: Unknown parameter '' loop2: detected capacity change from 0 to 256 vfat: Unknown parameter '' watchdog: BUG: soft lockup - CPU#1 stuck for 26s! [syz-executor.7:17598] Modules linked in: irq event stamp: 2210123 hardirqs last enabled at (2210122): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2210123): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2190686): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2190689): [] __irq_exit_rcu+0xc4/0x100 CPU: 1 UID: 0 PID: 17598 Comm: syz-executor.7 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:unwind_next_frame+0x169/0x2490 Code: 19 00 00 49 8b 4f 58 3c 01 48 83 d9 00 48 85 c9 0f 84 1c 03 00 00 48 81 f9 00 00 00 81 0f 82 12 02 00 00 48 81 f9 00 00 c0 84 <0f> 83 05 02 00 00 44 8b 15 ea ae 69 04 48 89 ce 48 81 ee 00 00 00 RSP: 0018:ffff88806cf09508 EFLAGS: 00000287 RAX: 0000000000000000 RBX: 0000000000000002 RCX: ffffffff848491af RDX: dffffc0000000000 RSI: ffffffff848491b0 RDI: ffff88806cf09578 RBP: ffff88806cf095d0 R08: ffffffff86796afe R09: ffff88806cf095b8 R10: 000000000003c001 R11: 000000000000804d R12: ffff88806cf095d8 R13: ffff88806cf095c0 R14: ffff88806cf095b9 R15: ffff88806cf09578 FS: 00007fc8c40cd700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fccf64c1008 CR3: 000000003f0c8000 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/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+0x79/0x160 Code: ff 48 85 db 0f 84 9c 00 00 00 48 89 d8 4c 89 e5 4d 85 e4 75 ba b9 00 00 00 80 48 01 c1 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 RSP: 0018:ffff888016b67710 EFLAGS: 00000286 RAX: ffff8880420c6600 RBX: ffff8880420c6600 RCX: ffff8880c20c6600 RDX: ffffffff80000000 RSI: ffffea000035c300 RDI: 0000000000080000 RBP: 0000000000000000 R08: ffff88800d70ccc0 R09: 0000000000800032 R10: ffffea000035c300 R11: 0000000000000000 R12: 0000000000000000 R13: ffff888016b67748 R14: ffff88800d70ccc0 R15: ffff88800d70ccc0 kasan_quarantine_reduce+0x19f/0x240 __kasan_kmalloc+0x6f/0x90 __kmalloc_noprof+0x1f7/0x4b0 ops_init+0x77/0x650 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: 0033:0x7fc8c6b57b19 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:00007fc8c40cd188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3 RAX: ffffffffffffffda RBX: 00007fc8c6c6af60 RCX: 00007fc8c6b57b19 RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020004c00 RBP: 00007fc8c6bb1f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffdcec7ff0f R14: 00007fc8c40cd300 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:kasan_check_range+0x161/0x1b0 Code: 49 8d 04 2c 48 85 d2 75 b0 48 89 da 48 29 c2 e9 4c ff ff ff 48 85 d2 74 b6 48 01 ea eb 09 48 83 c0 01 48 39 d0 74 a8 80 38 00 <74> f2 e9 77 ff ff ff b8 01 00 00 00 e9 ee fd fa 02 48 29 c3 48 89 RSP: 0018:ffff88806ce099c0 EFLAGS: 00000246 RAX: fffffbfff0c1b868 RBX: fffffbfff0c1b869 RCX: ffffffff8486d2bf RDX: fffffbfff0c1b869 RSI: 0000000000000004 RDI: ffffffff860dc340 RBP: fffffbfff0c1b868 R08: 0000000000000000 R09: fffffbfff0c1b868 R10: ffffffff860dc343 R11: 5050505001000011 R12: 1ffff1100d9c133d R13: 0000000000000003 R14: fffffbfff0c1b868 R15: ffff88806ce09a18 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000556e5a6ea040 CR3: 0000000019168000 CR4: 0000000000350ef0 Call Trace: queued_spin_lock_slowpath+0xaf/0xb60 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/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: 0000000000161fc1 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: 19 00 sbb %eax,(%rax) 2: 00 49 8b add %cl,-0x75(%rcx) 5: 4f 58 rex.WRXB pop %r8 7: 3c 01 cmp $0x1,%al 9: 48 83 d9 00 sbb $0x0,%rcx d: 48 85 c9 test %rcx,%rcx 10: 0f 84 1c 03 00 00 je 0x332 16: 48 81 f9 00 00 00 81 cmp $0xffffffff81000000,%rcx 1d: 0f 82 12 02 00 00 jb 0x235 23: 48 81 f9 00 00 c0 84 cmp $0xffffffff84c00000,%rcx * 2a: 0f 83 05 02 00 00 jae 0x235 <-- trapping instruction 30: 44 8b 15 ea ae 69 04 mov 0x469aeea(%rip),%r10d # 0x469af21 37: 48 89 ce mov %rcx,%rsi 3a: 48 rex.W 3b: 81 .byte 0x81 3c: ee out %al,(%dx) 3d: 00 00 add %al,(%rax)