watchdog: BUG: soft lockup - CPU#1 stuck for 23s! [syz-executor.3:4315] Modules linked in: irq event stamp: 6233599 hardirqs last enabled at (6233598): [] asm_sysvec_apic_timer_interrupt+0x16/0x20 hardirqs last disabled at (6233599): [] sysvec_apic_timer_interrupt+0xb/0xc0 softirqs last enabled at (6145674): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (6145677): [] __irq_exit_rcu+0x11b/0x180 CPU: 1 PID: 4315 Comm: syz-executor.3 Not tainted 6.1.0-rc3-next-20221103 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:queued_spin_lock_slowpath+0x124/0xc80 Code: 00 00 00 65 48 2b 04 25 28 00 00 00 0f 85 cd 0a 00 00 48 81 c4 88 00 00 00 5b 5d 41 5c 41 5d 41 5e 41 5f e9 de 1f 00 00 f3 90 71 ff ff ff 44 8b 74 24 48 41 81 fe 00 01 00 00 0f 84 e5 00 00 RSP: 0018:ffff88806d109a28 EFLAGS: 00000202 RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff843927e7 RDX: fffffbfff0b08249 RSI: 0000000000000004 RDI: ffffffff85841240 RBP: ffffffff85841240 R08: 0000000000000000 R09: ffffffff85841243 R10: fffffbfff0b08248 R11: 0000000000000001 R12: 0000000000000003 R13: fffffbfff0b08248 R14: 0000000000000001 R15: 1ffff1100da21346 FS: 00007efe83c74700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000559c20ec2648 CR3: 0000000016ab4000 CR4: 0000000000350ee0 Call Trace: do_raw_spin_lock+0x1dc/0x260 mac80211_hwsim_tx_frame_no_nl.isra.0+0x6f1/0x1360 mac80211_hwsim_tx_frame+0x1ee/0x2a0 mac80211_hwsim_beacon_tx+0x562/0xab0 __iterate_interfaces+0x2d3/0x560 ieee80211_iterate_active_interfaces_atomic+0x70/0x180 mac80211_hwsim_beacon+0x101/0x200 __hrtimer_run_queues+0x541/0xb50 hrtimer_run_softirq+0x172/0x340 __do_softirq+0x1c3/0x8f5 __irq_exit_rcu+0x11b/0x180 irq_exit_rcu+0x5/0x20 sysvec_apic_timer_interrupt+0x8e/0xc0 asm_sysvec_apic_timer_interrupt+0x16/0x20 RIP: 0010:unwind_next_frame+0x1f9/0x2130 Code: 48 89 54 24 28 48 89 74 24 20 44 89 5c 24 18 e8 4d 33 69 00 48 8b 54 24 28 48 8b 74 24 20 44 8b 5c 24 18 8b 0c 95 94 0d 29 86 <8d> 56 01 48 b8 00 00 00 00 00 fc ff df 48 8d 3c 95 94 0d 29 86 49 RSP: 0018:ffff888042ae7190 EFLAGS: 00000246 RAX: 0000000000000003 RBX: 0000000000000001 RCX: 0000000000005f61 RDX: 000000000000129f RSI: 000000000000129f RDI: ffffffff86295810 RBP: ffff888042ae72b8 R08: 0000000000000000 R09: ffff888042ae7260 R10: ffffed100855ce59 R11: 0000000000036001 R12: ffff888042ae72a1 R13: ffff888042ae72c0 R14: ffff888042ae7260 R15: ffffffff81129f49 __unwind_start+0x50f/0x7c0 arch_stack_walk+0x5f/0xf0 stack_trace_save+0x8c/0xc0 kasan_save_stack+0x1e/0x40 __kasan_record_aux_stack+0x95/0xb0 __call_rcu_common.constprop.0+0x6a/0xa40 __kmem_cache_free+0x91/0x400 __free_slab+0x73/0x100 qlist_free_all+0x6d/0x1a0 kasan_quarantine_reduce+0x192/0x220 __kasan_slab_alloc+0x48/0x70 kmem_cache_alloc+0x1a9/0x3e0 __proc_create+0x2b3/0x8b0 _proc_mkdir+0xae/0x200 proc_net_ns_init+0x261/0x410 ops_init+0xbb/0x680 setup_net+0x40c/0x9d0 copy_net_ns+0x318/0x760 create_new_namespaces+0x3f6/0xb30 copy_namespaces+0x3b3/0x4a0 copy_process+0x29e3/0x7160 kernel_clone+0xe7/0x890 __do_sys_clone3+0x1d5/0x2e0 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7efe866feb19 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:00007efe83c74188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3 RAX: ffffffffffffffda RBX: 00007efe86811f60 RCX: 00007efe866feb19 RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020004c00 RBP: 00007efe86758f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffda09039cf R14: 00007efe83c74300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 4277 Comm: syz-executor.4 Not tainted 6.1.0-rc3-next-20221103 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:mark_lock.part.0+0x0/0x2f70 Code: c7 c7 e0 84 d9 86 e8 0f 1e e3 00 89 c0 e9 08 58 0e 03 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <41> 57 41 56 41 55 41 54 41 89 d4 48 ba 00 00 00 00 00 fc ff df 55 RSP: 0018:ffff88806d0096e8 EFLAGS: 00000046 RAX: 0000000000000001 RBX: ffff888040ae59f0 RCX: 0000000000000001 RDX: 0000000000000008 RSI: ffff888040ae5a18 RDI: ffff888040ae5040 RBP: 0000000000000002 R08: 0000000000000000 R09: dffffc0000000000 R10: fffffbfff0e81d00 R11: 0000000000000001 R12: ffff888040ae5040 R13: ffff888040ae5a18 R14: 0000000000000003 R15: 0000000000000003 FS: 0000000000000000(0000) GS:ffff88806d000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000559c20ef2e08 CR3: 000000000e1de000 CR4: 0000000000350ef0 Call Trace: __lock_acquire+0x896/0x5e70 lock_acquire+0x1a2/0x530 perf_event_output_forward+0xa5/0x280 __perf_event_overflow+0x191/0x540 perf_swevent_hrtimer+0x35d/0x3d0 __hrtimer_run_queues+0x184/0xb50 hrtimer_interrupt+0x315/0x770 __sysvec_apic_timer_interrupt+0x144/0x500 sysvec_apic_timer_interrupt+0x3b/0xc0 asm_sysvec_apic_timer_interrupt+0x16/0x20 RIP: 0010:update_blocked_averages+0x3f0/0x1810 Code: 8b 74 24 18 48 8b 7c 24 28 e8 6c 66 06 00 48 8b 7c 24 78 e8 92 c5 fd ff 48 83 7c 24 20 00 74 06 e8 e5 28 2b 00 fb 48 83 ec 80 <5b> 41 5c 41 5d 41 5e 41 5f 5d e9 11 3f 15 03 48 8b 44 24 78 48 05 RSP: 0018:ffff88806d009f18 EFLAGS: 00000287 RAX: 000000000069b564 RBX: ffff88806d027728 RCX: ffffffff812af13f RDX: 0000000000000000 RSI: 0000000000000101 RDI: 0000000000000000 RBP: ffff88806d009f40 R08: 0000000000000001 R09: ffffffff8740e807 R10: fffffbfff0e81d00 R11: 0000000000000001 R12: 0000000000000000 R13: ffff88806d038878 R14: ffff88806d0389f8 R15: ffff8880080c1000 run_rebalance_domains+0xe8/0x180 __do_softirq+0x1c3/0x8f5 __irq_exit_rcu+0x11b/0x180 irq_exit_rcu+0x5/0x20 sysvec_apic_timer_interrupt+0x8e/0xc0 asm_sysvec_apic_timer_interrupt+0x16/0x20 RIP: 0010:lock_acquire+0x1db/0x530 Code: 03 b8 ff ff ff ff 65 0f c1 05 11 df d6 7e 83 f8 01 0f 85 c8 02 00 00 48 83 7c 24 08 00 74 01 fb 48 b8 00 00 00 00 00 fc ff df <48> 01 c3 48 c7 03 00 00 00 00 48 c7 43 08 00 00 00 00 48 8b 84 24 RSP: 0018:ffff88804249f590 EFLAGS: 00000206 RAX: dffffc0000000000 RBX: 1ffff11008493eb4 RCX: 00000000ebd61952 RDX: 1ffff1100815cb33 RSI: 0000000000000001 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff8740e807 R10: fffffbfff0e81d00 R11: 0000000000000001 R12: 0000000000000002 R13: 0000000000000000 R14: ffffffff85407920 R15: 0000000000000000 folio_memcg_lock+0x3a/0x4a0 page_remove_rmap+0x1e/0x490 unmap_page_range+0x1c46/0x2a50 unmap_single_vma+0x190/0x2a0 unmap_vmas+0x21e/0x370 exit_mmap+0x154/0x680 mmput+0xd1/0x390 do_exit+0x993/0x2720 do_group_exit+0xd0/0x2a0 get_signal+0x2195/0x22d0 arch_do_signal_or_restart+0x75/0x5a0 exit_to_user_mode_prepare+0x131/0x1a0 syscall_exit_to_user_mode+0x19/0x40 do_syscall_64+0x48/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7ff7efc00b19 Code: Unable to access opcode bytes at 0x7ff7efc00aef. RSP: 002b:00007ff7ed176188 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: 0000000000000005 RBX: 00007ff7efd13f60 RCX: 00007ff7efc00b19 RDX: 00000000000026e1 RSI: 00000000200014c0 RDI: ffffffffffffff9c RBP: 00007ff7efc5af6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000062 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff19ac77ff R14: 00007ff7ed176300 R15: 0000000000022000 ---------------- Code disassembly (best guess): 0: 00 00 add %al,(%rax) 2: 00 65 48 add %ah,0x48(%rbp) 5: 2b 04 25 28 00 00 00 sub 0x28,%eax c: 0f 85 cd 0a 00 00 jne 0xadf 12: 48 81 c4 88 00 00 00 add $0x88,%rsp 19: 5b pop %rbx 1a: 5d pop %rbp 1b: 41 5c pop %r12 1d: 41 5d pop %r13 1f: 41 5e pop %r14 21: 41 5f pop %r15 23: e9 de 1f 00 00 jmpq 0x2006 28: f3 90 pause * 2a: e9 71 ff ff ff jmpq 0xffffffa0 <-- trapping instruction 2f: 44 8b 74 24 48 mov 0x48(%rsp),%r14d 34: 41 81 fe 00 01 00 00 cmp $0x100,%r14d 3b: 0f .byte 0xf 3c: 84 e5 test %ah,%ch