watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [syz-executor.6:18673] Modules linked in: irq event stamp: 2334401 hardirqs last enabled at (2334400): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2334401): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2315912): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2315933): [] __irq_exit_rcu+0xc4/0x100 CPU: 1 UID: 0 PID: 18673 Comm: syz-executor.6 Not tainted 6.13.0-rc2-next-20241211 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:___slab_alloc+0x1b5/0x11d0 Code: 11 9d d5 ff fb 48 83 7b 18 00 0f 84 7d 0c 00 00 48 8d 05 00 00 00 00 48 89 85 60 ff ff ff 48 89 d8 4c 89 f3 49 89 c6 9c 41 5c 4c 89 e0 25 00 02 00 00 48 89 85 58 ff ff ff 0f 85 2c 03 00 00 RSP: 0018:ffff88806cf09880 EFLAGS: 00000286 RAX: ffff88806cf40370 RBX: ffff888008c4f780 RCX: 1ffffffff0fdfea6 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff81a4515f RBP: ffff88806cf09950 R08: 0000000000000001 R09: fffffbfff0fddde1 R10: ffffffff87eeef0f R11: ffff88806cf40390 R12: 0000000000000286 R13: 00000000ffffffff R14: ffff88806cf40370 R15: ffffea0000383780 FS: 00007fc2cc87c700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc2cf35aad8 CR3: 000000003da0c000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: kmem_cache_alloc_noprof+0x228/0x3d0 __alloc_object+0x2f/0x270 __create_object+0x1d/0x80 kmem_cache_alloc_node_noprof+0x311/0x3e0 __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/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:_raw_spin_unlock_irqrestore+0x34/0x50 Code: c7 18 53 48 89 f3 48 8b 74 24 10 e8 e6 ad a8 fc 48 89 ef e8 4e 1c a9 fc 80 e7 02 74 06 e8 44 76 d2 fc fb 65 ff 0d d4 2e 5c 7b <74> 07 5b 5d e9 a3 1e 00 00 0f 1f 44 00 00 5b 5d e9 97 1e 00 00 0f RSP: 0018:ffff88803e7cf9b0 EFLAGS: 00000246 RAX: 000000000023569b RBX: 0000000000000246 RCX: 1ffffffff0fdfea6 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff84a7782c RBP: ffff888008c4e900 R08: 0000000000000001 R09: fffffbfff0fddde1 R10: ffffffff87eeef0f R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: ffff888008c4f780 R15: 0000000000000246 __put_partials+0xc4/0x110 qlist_free_all+0x50/0x160 kasan_quarantine_reduce+0x19f/0x240 __kasan_slab_alloc+0x49/0x70 kmem_cache_alloc_node_noprof+0x14c/0x3e0 copy_process+0x440/0x70e0 kernel_clone+0xeb/0x850 __do_sys_clone3+0x1d9/0x260 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fc2cf306b19 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:00007fc2cc87c188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3 RAX: ffffffffffffffda RBX: 00007fc2cf419f60 RCX: 00007fc2cf306b19 RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020000380 RBP: 00007fc2cf360f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd4765c51f R14: 00007fc2cc87c300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 18691 Comm: apt-get Not tainted 6.13.0-rc2-next-20241211 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:mtree_range_walk+0x25b/0xb90 Code: d4 fc be ff ff ff ff 4c 89 f7 e8 00 e7 07 00 31 ff 89 c3 89 c6 e8 25 81 d4 fc 85 db 75 1d e8 ec 7d d4 fc e8 17 f3 ba fc 31 ff <89> c3 89 c6 e8 0c 81 d4 fc 85 db 0f 84 f4 04 00 00 e8 cf 7d d4 fc RSP: 0000:ffff888028e67c78 EFLAGS: 00000246 RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000001 RDX: 0000000000000000 RSI: ffffffff85c16180 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000001 R09: fffffbfff0fddddc R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880407bb61c R13: 0000000000000000 R14: ffff88802f695760 R15: 00007fe4cfe21fff FS: 00007fe4cf941800(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fe4cf30b004 CR3: 000000004053e000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: mas_walk+0x4b7/0x8a0 lock_vma_under_rcu+0x290/0x850 do_user_addr_fault+0x4aa/0xf10 exc_page_fault+0x9c/0x1a0 asm_exc_page_fault+0x26/0x30 RIP: 0033:0x7fe4d038b4b3 Code: 00 49 ba a3 8b 2e ba e8 a2 8b 2e 49 c1 f8 03 4d 0f af c2 4c 8b 97 e8 00 00 00 45 89 45 04 45 8b 42 28 45 8d 58 01 45 89 5a 28 <45> 89 45 10 40 84 f6 0f 84 80 00 00 00 4d 8b 07 41 8b 40 14 48 8d RSP: 002b:00007fff1dbc4420 EFLAGS: 00010a13 RAX: 00007fe4ce149820 RBX: 0000000000026e01 RCX: 00000000000fb199 RDX: 000000000001dc82 RSI: 0000000000000001 RDI: 000055e505b24cd0 RBP: 00007fff1dbc4450 R08: 0000000000036e85 R09: 00007fe4cdf6d000 R10: 00007fe4cdf6d000 R11: 0000000000036e86 R12: 000055e505a9c3f0 R13: 00007fe4cf30aff4 R14: 0000000000000000 R15: 00007fff1dbc4570 ---------------- Code disassembly (best guess): 0: 11 9d d5 ff fb 48 adc %ebx,0x48fbffd5(%rbp) 6: 83 7b 18 00 cmpl $0x0,0x18(%rbx) a: 0f 84 7d 0c 00 00 je 0xc8d 10: 48 8d 05 00 00 00 00 lea 0x0(%rip),%rax # 0x17 17: 48 89 85 60 ff ff ff mov %rax,-0xa0(%rbp) 1e: 48 89 d8 mov %rbx,%rax 21: 4c 89 f3 mov %r14,%rbx 24: 49 89 c6 mov %rax,%r14 27: 9c pushfq 28: 41 5c pop %r12 * 2a: fa cli <-- trapping instruction 2b: 4c 89 e0 mov %r12,%rax 2e: 25 00 02 00 00 and $0x200,%eax 33: 48 89 85 58 ff ff ff mov %rax,-0xa8(%rbp) 3a: 0f 85 2c 03 00 00 jne 0x36c