watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [syz-executor.6:30819] Modules linked in: irq event stamp: 2229291 hardirqs last enabled at (2229290): [] ___slab_alloc+0x4f1/0x11d0 hardirqs last disabled at (2229291): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2224332): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2224339): [] __irq_exit_rcu+0xc4/0x100 CPU: 1 UID: 0 PID: 30819 Comm: syz-executor.6 Not tainted 6.13.0-rc3-next-20241218 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:___slab_alloc+0x2ff/0x11d0 Code: 0f 85 a5 08 00 00 49 c7 45 28 00 00 00 00 4c 89 ef 48 8d 35 00 00 00 00 e8 9e f7 ab ff 41 f7 c4 00 02 00 00 0f 85 ed 01 00 00 <48> 8b 45 c8 65 48 2b 04 25 28 00 00 00 0f 85 95 0d 00 00 48 8d 65 RSP: 0018:ffff88806cf09370 EFLAGS: 00000202 RAX: 000000000022042a RBX: ffff88806cf40370 RCX: 1ffffffff0fe1b0a RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff81a44571 RBP: ffff88806cf09440 R08: 0000000000000001 R09: fffffbfff0fdf9e1 R10: ffffffff87efcf0f R11: 0000000000000000 R12: 0000000000000282 R13: ffff88806cf40390 R14: ffff888008c4f780 R15: ffff88801b2e9378 FS: 00007f5f69bfe700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffd9dc75d18 CR3: 000000003b22e000 CR4: 0000000000350ef0 Call Trace: kmem_cache_alloc_noprof+0x228/0x3d0 __alloc_object+0x2f/0x270 __create_object+0x1d/0x80 __kmalloc_noprof+0x37e/0x4b0 cfg80211_inform_single_bss_data+0x4f1/0x1c70 cfg80211_inform_bss_data+0x20f/0x3510 cfg80211_inform_bss_frame_data+0x250/0x6a0 ieee80211_bss_info_update+0x2f6/0xa90 ieee80211_scan_rx+0x474/0xac0 ieee80211_rx_list+0x1e38/0x2840 ieee80211_rx_napi+0xdc/0x3b0 ieee80211_handle_queued_frames+0xd9/0x130 tasklet_action_common+0x235/0x3b0 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:put_cpu_partial+0x10a/0x1b0 Code: 24 28 75 5b 49 c7 44 24 28 00 00 00 00 4c 89 e7 48 8d 35 00 00 00 00 e8 b4 d5 ab ff 4d 85 ed 74 06 e8 4a 64 d5 ff fb 4d 85 f6 <74> 1c 5b 4c 89 f6 48 89 ef 5d 41 5c 41 5d 41 5e e9 c1 fa ff ff 44 RSP: 0018:ffff88803d4afc30 EFLAGS: 00000246 RAX: 000000000021f0d1 RBX: ffffea00001c1240 RCX: 1ffffffff0fe1b0a RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff81a46566 RBP: ffff888008c4f780 R08: 0000000000000001 R09: fffffbfff0fdf9e1 R10: ffffffff87efcf0f R11: 0000000000000000 R12: ffff88806cf40390 R13: 0000000000000200 R14: 0000000000000000 R15: ffff888007049940 qlist_free_all+0x50/0x160 kasan_quarantine_reduce+0x19f/0x240 __kasan_slab_alloc+0x49/0x70 kmem_cache_alloc_noprof+0x13d/0x3d0 security_inode_alloc+0x3e/0x130 inode_init_always_gfp+0xc94/0xff0 alloc_inode+0x89/0x240 sock_alloc+0x40/0x270 __sock_create+0xc1/0x810 __sys_socket+0x147/0x260 __x64_sys_socket+0x73/0xb0 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f5f6c688b19 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:00007f5f69bfe188 EFLAGS: 00000246 ORIG_RAX: 0000000000000029 RAX: ffffffffffffffda RBX: 00007f5f6c79bf60 RCX: 00007f5f6c688b19 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 000000000000000a RBP: 00007f5f6c6e2f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff099e825f R14: 00007f5f69bfe300 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 6.13.0-rc3-next-20241218 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:mark_lock+0x5a/0xed0 Code: 30 a0 88 6e 85 48 c1 eb 03 48 c7 44 24 38 e0 d7 4f 81 48 8d 04 13 c7 00 f1 f1 f1 f1 c7 40 04 00 f2 f2 f2 c7 40 08 00 f2 f2 f2 40 10 00 00 00 f3 c7 40 14 f3 f3 f3 f3 65 48 8b 04 25 28 00 00 RSP: 0018:ffff88806ce097e8 EFLAGS: 00000012 RAX: ffffed100d9c1302 RBX: 1ffff1100d9c1302 RCX: 1ffffffff0c7f1c9 RDX: dffffc0000000000 RSI: ffffffff85a2b2b0 RDI: ffffffff85a2a840 RBP: ffffffff85a2a840 R08: 0000000000000000 R09: 0000000000000001 R10: ffffffff863fc897 R11: 0000000000000001 R12: 0000000000000002 R13: dffffc0000000000 R14: ffffffff85a2b288 R15: 0000000000000286 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f5fa2aa4bd0 CR3: 0000000015fd8000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: mark_held_locks+0x9e/0xe0 lockdep_hardirqs_on_prepare+0x12b/0x3f0 trace_hardirqs_on+0x36/0x40 _raw_spin_unlock_irqrestore+0x2c/0x50 __create_object+0x59/0x80 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/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: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 89 b5 1a 00 0f 1f 44 00 00 fb f4 e9 fc 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: 0000000000230257 RBX: 0000000000000000 RCX: ffffffff84a7ca77 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff814b2f4a RBP: dffffc0000000000 R08: 0000000000000001 R09: ffffed100d9c6c4a R10: ffff88806ce36253 R11: 0000000000000000 R12: ffffffff863fc890 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+0x412/0x540 x86_64_start_reservations+0x18/0x30 x86_64_start_kernel+0xcb/0xe0 common_startup_64+0x12c/0x138 tmpfs: Bad value for 'mpol' tmpfs: Bad value for 'mpol' ---------------- Code disassembly (best guess): 0: 0f 85 a5 08 00 00 jne 0x8ab 6: 49 c7 45 28 00 00 00 movq $0x0,0x28(%r13) d: 00 e: 4c 89 ef mov %r13,%rdi 11: 48 8d 35 00 00 00 00 lea 0x0(%rip),%rsi # 0x18 18: e8 9e f7 ab ff callq 0xffabf7bb 1d: 41 f7 c4 00 02 00 00 test $0x200,%r12d 24: 0f 85 ed 01 00 00 jne 0x217 * 2a: 48 8b 45 c8 mov -0x38(%rbp),%rax <-- trapping instruction 2e: 65 48 2b 04 25 28 00 sub %gs:0x28,%rax 35: 00 00 37: 0f 85 95 0d 00 00 jne 0xdd2 3d: 48 rex.W 3e: 8d .byte 0x8d 3f: 65 gs