sd 0:0:0:0: ioctl_internal_command: ILLEGAL REQUEST asc=0x24 ascq=0x0 watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [syz-executor.0:17282] Modules linked in: irq event stamp: 3617631 hardirqs last enabled at (3617630): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (3617631): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (3578582): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (3578587): [] irq_exit_rcu+0x94/0xc0 CPU: 1 UID: 0 PID: 17282 Comm: syz-executor.0 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:unwind_next_frame+0x491/0x2490 Code: 85 48 c7 c0 85 cc ac 85 eb 49 48 c7 c1 c0 cc ac 85 48 ba 00 00 00 00 00 fc ff df 48 8d 41 05 48 89 c6 48 c1 ee 03 0f b6 14 16 <48> 89 c6 83 e6 07 40 38 f2 7f 08 84 d2 0f 85 16 17 00 00 0f b6 51 RSP: 0018:ffff88806cf095b8 EFLAGS: 00000217 RAX: ffffffff86838787 RBX: 0000000000000001 RCX: ffffffff86838782 RDX: 0000000000000000 RSI: 1ffffffff0d070f0 RDI: ffffffff864c2e54 RBP: ffff88806cf09680 R08: ffffffff86838782 R09: ffff88806cf09668 R10: 000000000003c001 R11: 0000000000024b43 R12: ffff88806cf09688 R13: ffff88806cf09670 R14: ffff88806cf09669 R15: ffff88806cf09628 FS: 00007fc25f392700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc261e6e740 CR3: 000000003ed9e000 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_node_noprof+0x14c/0x3e0 kmalloc_reserve+0x189/0x2b0 __alloc_skb+0x162/0x370 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:kernel_text_address+0x1f/0xc0 Code: 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 55 48 89 fd 48 83 ec 08 e8 3f ff ff ff 85 c0 74 0f b8 01 00 00 00 48 83 c4 08 5d 7c 87 62 03 e8 77 25 17 00 84 c0 74 33 48 89 ef e8 3b f5 1b 00 RSP: 0018:ffff88803ddf74d8 EFLAGS: 00000292 RAX: 0000000000000001 RBX: ffffffff813e921f RCX: ffff88803ddf75a8 RDX: 1ffff11007bbeeac RSI: ffff88803ddf75a0 RDI: ffffffff813e921f RBP: ffff88803ddf7560 R08: 0000000000000001 R09: ffff88803ddf7548 R10: 000000000003c001 R11: 0000000000003f0d R12: ffff88803ddf75d0 R13: 0000000000000000 R14: ffff888009fe8000 R15: 0000000000000001 __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_bulk_noprof+0x39d/0x8c0 mas_alloc_nodes+0x347/0x8e0 mas_node_count_gfp+0x106/0x140 mas_preallocate+0x1c1/0x590 __split_vma+0x2f7/0x1000 vma_modify+0x153d/0x20e0 vma_modify_policy+0x1bd/0x250 mbind_range+0x180/0x530 do_mbind+0x794/0xcc0 kernel_mbind+0x1e9/0x200 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fc261e1cb19 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:00007fc25f392188 EFLAGS: 00000246 ORIG_RAX: 00000000000000ed RAX: ffffffffffffffda RBX: 00007fc261f2ff60 RCX: 00007fc261e1cb19 RDX: 0000000000000001 RSI: 0000000000004000 RDI: 0000000020ffa000 RBP: 00007fc261e76f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff3722ee2f R14: 00007fc25f392300 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-rc3-next-20241016 #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:ffff88806ce099f8 EFLAGS: 00000202 RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff84845a6f RDX: fffffbfff0c1a969 RSI: 0000000000000004 RDI: ffffffff860d4b40 RBP: ffffffff860d4b40 R08: 0000000000000000 R09: fffffbfff0c1a968 R10: ffffffff860d4b43 R11: 5050505000000011 R12: 1ffff1100d9c1340 R13: 0000000000000003 R14: fffffbfff0c1a968 R15: ffff88806ce09a30 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fbdfa4353d0 CR3: 000000000b68c000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 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+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: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 69 41 40 00 0f 1f 44 00 00 fb f4 e9 5c 28 02 00 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 RSP: 0018:ffffffff85a07e10 EFLAGS: 00000206 RAX: 00000000000ef795 RBX: 0000000000000000 RCX: ffffffff848238d7 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff812ad1ed RBP: dffffc0000000000 R08: 0000000000000001 R09: ffffed100d9c6c70 R10: ffff88806ce36383 R11: 0000000000000000 R12: ffffffff863f2748 R13: 1ffffffff0b40fc7 R14: 0000000000000000 R15: 0000000000000000 default_idle_call+0x6d/0xb0 do_idle+0x2fd/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 sd 0:0:0:0: ioctl_internal_command: ILLEGAL REQUEST asc=0x24 ascq=0x0 syz_tun: refused to change device tx_queue_len syz_tun: refused to change device tx_queue_len ---------------- Code disassembly (best guess): 0: 85 48 c7 test %ecx,-0x39(%rax) 3: c0 85 cc ac 85 eb 49 rolb $0x49,-0x147a5334(%rbp) a: 48 c7 c1 c0 cc ac 85 mov $0xffffffff85acccc0,%rcx 11: 48 ba 00 00 00 00 00 movabs $0xdffffc0000000000,%rdx 18: fc ff df 1b: 48 8d 41 05 lea 0x5(%rcx),%rax 1f: 48 89 c6 mov %rax,%rsi 22: 48 c1 ee 03 shr $0x3,%rsi 26: 0f b6 14 16 movzbl (%rsi,%rdx,1),%edx * 2a: 48 89 c6 mov %rax,%rsi <-- trapping instruction 2d: 83 e6 07 and $0x7,%esi 30: 40 38 f2 cmp %sil,%dl 33: 7f 08 jg 0x3d 35: 84 d2 test %dl,%dl 37: 0f 85 16 17 00 00 jne 0x1753 3d: 0f .byte 0xf 3e: b6 51 mov $0x51,%dh