watchdog: BUG: soft lockup - CPU#0 stuck for 21s! [syz-executor.0:71645] Modules linked in: irq event stamp: 5371257 hardirqs last enabled at (5371256): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (5371257): [] sysvec_apic_timer_interrupt+0xf/0x90 softirqs last enabled at (5364000): [] irq_exit_rcu+0x93/0xc0 softirqs last disabled at (5364005): [] irq_exit_rcu+0x93/0xc0 CPU: 0 PID: 71645 Comm: syz-executor.0 Not tainted 6.4.0-next-20230703 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__create_object+0x1a8/0xc90 Code: 00 00 00 48 89 f9 19 c0 48 c1 e9 03 83 e0 f0 0f b6 14 11 83 c0 11 84 d2 74 09 80 fa 03 0f 8e 70 09 00 00 49 8d bf 98 00 00 00 <41> 89 47 40 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 RSP: 0018:ffff88806ce09998 EFLAGS: 00000246 RAX: 0000000000000001 RBX: 0000000000000001 RCX: 1ffff110089beea0 RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888044df7558 RBP: 0000000000000280 R08: 0000000000000001 R09: ffffed10089beeaa R10: ffff888044df7553 R11: 0000000000000001 R12: ffff8880472b6d00 R13: 0000000000000000 R14: ffff888044df7508 R15: ffff888044df74c0 FS: 00007fa1c8ce7700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007feaebba1a68 CR3: 00000000145a6000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: kmem_cache_alloc_node+0x238/0x3b0 kmalloc_reserve+0x169/0x270 __alloc_skb+0x129/0x330 skb_copy+0x13d/0x3f0 mac80211_hwsim_tx_frame_no_nl.isra.0+0xb11/0x1330 mac80211_hwsim_tx_frame+0x1ee/0x2a0 mac80211_hwsim_beacon_tx+0x427/0x730 __iterate_interfaces+0x2d3/0x580 ieee80211_iterate_active_interfaces_atomic+0x73/0x1c0 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x59d/0xb60 hrtimer_run_softirq+0x14c/0x310 __do_softirq+0x1b7/0x7d4 irq_exit_rcu+0x93/0xc0 sysvec_apic_timer_interrupt+0x6e/0x90 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:put_cpu_partial+0x107/0x1b0 Code: 39 45 28 75 5e 48 c7 45 28 00 00 00 00 48 c7 c6 b2 cd 80 81 48 89 ef e8 37 f6 ac ff 48 85 db 74 06 e8 3d d9 d2 ff fb 4d 85 f6 <74> 1e 5b 4c 89 f6 5d 4c 89 e7 41 5c 41 5d 41 5e 41 5f e9 12 fa ff RSP: 0018:ffff88803cb07a40 EFLAGS: 00000246 RAX: 000000000051d923 RBX: 0000000000000200 RCX: ffffffff812d217f RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8180cdd3 RBP: ffff88806ce3de20 R08: 0000000000000001 R09: fffffbfff0ef9d65 R10: ffffffff877ceb2f R11: 0000000000000001 R12: ffff88800844f780 R13: ffffea0000ff4680 R14: 0000000000000000 R15: 0000000000000003 qlist_free_all+0x6d/0x1a0 kasan_quarantine_reduce+0x199/0x230 __kasan_slab_alloc+0x49/0x70 kmem_cache_alloc+0x16b/0x370 __create_object+0x3c/0xc90 kmem_cache_alloc_lru+0x2e7/0x680 __d_alloc+0x31/0x9c0 d_alloc_pseudo+0x1d/0x70 alloc_file_pseudo+0xd2/0x260 anon_inode_getfile+0xb4/0x1e0 __do_sys_perf_event_open+0x177e/0x2a60 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x6e/0xd8 RIP: 0033:0x7fa1cb771b19 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:00007fa1c8ce7188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007fa1cb884f60 RCX: 00007fa1cb771b19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000200 RBP: 00007fa1cb7cbf6d R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcaf4f5aef R14: 00007fa1c8ce7300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 0 Comm: swapper/1 Not tainted 6.4.0-next-20230703 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:queued_spin_lock_slowpath+0x128/0xb20 Code: 00 00 00 65 48 2b 04 25 28 00 00 00 0f 85 5c 09 00 00 48 81 c4 88 00 00 00 5b 5d 41 5c 41 5d 41 5e 41 5f e9 5a 21 00 00 f3 90 71 ff ff ff 44 8b 74 24 48 41 81 fe 00 01 00 00 0f 84 e4 00 00 RSP: 0018:ffff88806cf09a38 EFLAGS: 00000202 RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff84550eab RDX: fffffbfff0b4cb09 RSI: 0000000000000004 RDI: ffffffff85a65840 RBP: ffffffff85a65840 R08: 0000000000000000 R09: fffffbfff0b4cb08 R10: ffffffff85a65843 R11: 0000000000000001 R12: 0000000000000003 R13: fffffbfff0b4cb08 R14: 0000000000000001 R15: 1ffff1100d9e1348 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000559434ca1c68 CR3: 000000000f43a000 CR4: 0000000000350ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: do_raw_spin_lock+0x1e0/0x270 mac80211_hwsim_tx_frame_no_nl.isra.0+0x6e7/0x1330 mac80211_hwsim_tx_frame+0x1ee/0x2a0 mac80211_hwsim_beacon_tx+0x427/0x730 __iterate_interfaces+0x2d3/0x580 ieee80211_iterate_active_interfaces_atomic+0x73/0x1c0 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x59d/0xb60 hrtimer_run_softirq+0x14c/0x310 __do_softirq+0x1b7/0x7d4 irq_exit_rcu+0x93/0xc0 sysvec_apic_timer_interrupt+0x6e/0x90 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:default_idle+0xf/0x20 Code: 4c 01 c7 4c 29 c2 e9 72 ff ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa eb 07 0f 00 2d c3 a2 2f 00 fb f4 e9 db 56 02 00 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 RSP: 0018:ffff888008e0fe70 EFLAGS: 00000202 RAX: 0000000000712e8f RBX: 0000000000000001 RCX: ffffffff8452ca0e RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8128bd35 RBP: dffffc0000000000 R08: 0000000000000001 R09: ffffed100d9e69f8 R10: ffff88806cf34fc3 R11: 0000000000000001 R12: ffffffff85d408d0 R13: 1ffff110011c1fd3 R14: 0000000000000000 R15: 0000000000000000 default_idle_call+0x67/0xa0 do_idle+0x305/0x3c0 cpu_startup_entry+0x18/0x20 start_secondary+0x1ba/0x210 secondary_startup_64_no_verify+0x179/0x17b hpet: Lost 6 RTC interrupts hpet: Lost 2 RTC interrupts hpet: Lost 1 RTC interrupts netlink: 168 bytes leftover after parsing attributes in process `syz-executor.0'. netlink: 168 bytes leftover after parsing attributes in process `syz-executor.0'. netlink: 168 bytes leftover after parsing attributes in process `syz-executor.0'. ---------------- Code disassembly (best guess): 0: 00 00 add %al,(%rax) 2: 00 48 89 add %cl,-0x77(%rax) 5: f9 stc 6: 19 c0 sbb %eax,%eax 8: 48 c1 e9 03 shr $0x3,%rcx c: 83 e0 f0 and $0xfffffff0,%eax f: 0f b6 14 11 movzbl (%rcx,%rdx,1),%edx 13: 83 c0 11 add $0x11,%eax 16: 84 d2 test %dl,%dl 18: 74 09 je 0x23 1a: 80 fa 03 cmp $0x3,%dl 1d: 0f 8e 70 09 00 00 jle 0x993 23: 49 8d bf 98 00 00 00 lea 0x98(%r15),%rdi * 2a: 41 89 47 40 mov %eax,0x40(%r15) <-- trapping instruction 2e: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 35: fc ff df 38: 48 89 fa mov %rdi,%rdx 3b: 48 c1 ea 03 shr $0x3,%rdx 3f: 80 .byte 0x80