watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [syz-executor.3:6803] Modules linked in: irq event stamp: 6039993 hardirqs last enabled at (6039992): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (6039993): [] sysvec_apic_timer_interrupt+0xf/0xc0 softirqs last enabled at (5971344): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (5971347): [] __irq_exit_rcu+0x11b/0x180 CPU: 1 PID: 6803 Comm: syz-executor.3 Not tainted 6.1.0-rc6-next-20221123 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:unwind_next_frame+0x1fd/0x2130 Code: 48 89 54 24 28 48 89 74 24 20 44 89 5c 24 18 e8 29 4e 6a 00 48 8b 54 24 28 48 8b 74 24 20 44 8b 5c 24 18 8b 0c 95 94 84 49 86 <8d> 56 01 48 b8 00 00 00 00 00 fc ff df 48 8d 3c 95 94 84 49 86 49 RSP: 0018:ffff88806cf09698 EFLAGS: 00000246 RAX: 0000000000000007 RBX: 0000000000000001 RCX: 00000000000b4ba5 RDX: 0000000000036014 RSI: 0000000000036014 RDI: ffffffff865704e4 RBP: ffff88806cf09770 R08: ffffffff8646698e R09: ffffffff86466992 R10: ffff88806cf09ff8 R11: 0000000000038001 R12: ffff88806cf09759 R13: ffff88806cf09778 R14: ffff88806cf09718 R15: ffffffff84601449 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005608885bc628 CR3: 000000003dc98000 CR4: 0000000000350ee0 Call Trace: arch_stack_walk+0x87/0xf0 stack_trace_save+0x90/0xd0 kasan_save_stack+0x22/0x50 kasan_set_track+0x25/0x30 __kasan_slab_alloc+0x5c/0x70 kmem_cache_alloc_node+0x1f4/0x420 __alloc_skb+0x21a/0x310 skb_copy+0x13d/0x3d0 mac80211_hwsim_tx_frame_no_nl.isra.0+0xb6d/0x1360 mac80211_hwsim_tx_frame+0x1ee/0x2a0 mac80211_hwsim_beacon_tx+0x566/0xab0 __iterate_interfaces+0x2d3/0x560 ieee80211_iterate_active_interfaces_atomic+0x74/0x180 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x54b/0xba0 hrtimer_run_softirq+0x176/0x350 __do_softirq+0x1c7/0x8f9 __irq_exit_rcu+0x11b/0x180 irq_exit_rcu+0x9/0x30 sysvec_apic_timer_interrupt+0x92/0xc0 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:lock_is_held_type+0xfc/0x130 Code: 80 fd 86 84 e8 b5 0e 00 00 b8 ff ff ff ff 65 0f c1 05 70 59 c3 7b 83 f8 01 75 26 48 f7 04 24 00 02 00 00 74 01 fb 48 83 c4 08 <44> 89 e8 5b 5d 41 5c 41 5d 41 5e 41 5f e9 66 42 02 00 45 31 ed eb RSP: 0018:ffff888046927578 EFLAGS: 00000286 RAX: 0000000000000001 RBX: 0000000000000001 RCX: 0000000000000001 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffffff85608980 R08: 0000000000000006 R09: 00007fb058be7000 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88801e36b580 R13: 0000000000000000 R14: 00000000ffffffff R15: ffff88801e36bee0 __schedule+0x170/0x25d0 preempt_schedule_common+0x45/0xc0 __cond_resched+0x1b/0x30 unmap_page_range+0xd7d/0x2c10 unmap_single_vma+0x190/0x2a0 unmap_vmas+0x226/0x380 exit_mmap+0x158/0x680 mmput+0xd5/0x390 do_exit+0x99b/0x2720 do_group_exit+0xd4/0x2a0 get_signal+0x21a5/0x22e0 arch_do_signal_or_restart+0x79/0x5a0 exit_to_user_mode_prepare+0x131/0x1a0 syscall_exit_to_user_mode+0x1d/0x50 do_syscall_64+0x4c/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7fb05ae44b19 Code: Unable to access opcode bytes at 0x7fb05ae44aef. RSP: 002b:00007fb0583ba188 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: 0000000000000008 RBX: 00007fb05af57f60 RCX: 00007fb05ae44b19 RDX: 0000000000004042 RSI: 0000000020000100 RDI: ffffffffffffff9c RBP: 00007fb05ae9ef6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc5f27520f R14: 00007fb0583ba300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 6806 Comm: syz-executor.4 Not tainted 6.1.0-rc6-next-20221123 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:native_apic_mem_write+0xc/0x20 Code: 1f 00 b8 01 00 00 00 e9 86 24 30 03 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 89 ff 89 b7 00 c0 5f ff 63 24 30 03 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 90 90 RSP: 0018:ffff88806ce09938 EFLAGS: 00000046 RAX: ffffffff81114c10 RBX: 0000000000000000 RCX: ffffffff811242ab RDX: 1ffffffff0a54791 RSI: 0000000000000000 RDI: 00000000000000b0 RBP: ffffffff852a3c80 R08: 0000000000000001 R09: ffff88806ce2828f R10: ffffed100d9c5051 R11: 0000000000000001 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005608885d5fa8 CR3: 000000001ae10000 CR4: 0000000000350ef0 Call Trace: __sysvec_apic_timer_interrupt+0x86/0x500 sysvec_apic_timer_interrupt+0x3f/0xc0 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:queued_spin_lock_slowpath+0x128/0xc80 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:ffff88806ce09a28 EFLAGS: 00000202 RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff8441502b RDX: fffffbfff0b48e8d RSI: 0000000000000004 RDI: ffffffff85a47460 RBP: ffffffff85a47460 R08: 0000000000000000 R09: ffffffff85a47463 R10: fffffbfff0b48e8c R11: 0000000000000001 R12: 0000000000000003 R13: fffffbfff0b48e8c R14: 0000000000000001 R15: 1ffff1100d9c1346 do_raw_spin_lock+0x1e0/0x270 mac80211_hwsim_tx_frame_no_nl.isra.0+0x6f1/0x1360 mac80211_hwsim_tx_frame+0x1ee/0x2a0 mac80211_hwsim_beacon_tx+0x566/0xab0 __iterate_interfaces+0x2d3/0x560 ieee80211_iterate_active_interfaces_atomic+0x74/0x180 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x54b/0xba0 hrtimer_run_softirq+0x176/0x350 __do_softirq+0x1c7/0x8f9 __irq_exit_rcu+0x11b/0x180 irq_exit_rcu+0x9/0x30 sysvec_apic_timer_interrupt+0x92/0xc0 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:lock_acquire+0x1df/0x530 Code: 03 b8 ff ff ff ff 65 0f c1 05 f5 73 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:ffff888045bcf588 EFLAGS: 00000206 RAX: dffffc0000000000 RBX: 1ffff11008b79eb3 RCX: 00000000e1e0f156 RDX: 1ffff11008a20483 RSI: 0000000000000001 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff87634847 R10: fffffbfff0ec6908 R11: 0000000000000001 R12: 0000000000000002 R13: 0000000000000000 R14: ffffffff85608a40 R15: 0000000000000000 folio_memcg_lock+0x3e/0x4a0 page_remove_rmap+0x57/0x620 unmap_page_range+0x1fdf/0x2c10 unmap_single_vma+0x190/0x2a0 unmap_vmas+0x226/0x380 exit_mmap+0x158/0x680 mmput+0xd5/0x390 do_exit+0x99b/0x2720 do_group_exit+0xd4/0x2a0 get_signal+0x21a5/0x22e0 arch_do_signal_or_restart+0x79/0x5a0 exit_to_user_mode_prepare+0x131/0x1a0 syscall_exit_to_user_mode+0x1d/0x50 do_syscall_64+0x4c/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f93ac60eb19 Code: Unable to access opcode bytes at 0x7f93ac60eaef. RSP: 002b:00007f93a9b84188 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: 0000000000000008 RBX: 00007f93ac721f60 RCX: 00007f93ac60eb19 RDX: 0000000000004042 RSI: 0000000020000100 RDI: ffffffffffffff9c RBP: 00007f93ac668f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd257ca71f R14: 00007f93a9b84300 R15: 0000000000022000 ---------------- Code disassembly (best guess): 0: 48 89 54 24 28 mov %rdx,0x28(%rsp) 5: 48 89 74 24 20 mov %rsi,0x20(%rsp) a: 44 89 5c 24 18 mov %r11d,0x18(%rsp) f: e8 29 4e 6a 00 callq 0x6a4e3d 14: 48 8b 54 24 28 mov 0x28(%rsp),%rdx 19: 48 8b 74 24 20 mov 0x20(%rsp),%rsi 1e: 44 8b 5c 24 18 mov 0x18(%rsp),%r11d 23: 8b 0c 95 94 84 49 86 mov -0x79b67b6c(,%rdx,4),%ecx * 2a: 8d 56 01 lea 0x1(%rsi),%edx <-- trapping instruction 2d: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 34: fc ff df 37: 48 8d 3c 95 94 84 49 lea -0x79b67b6c(,%rdx,4),%rdi 3e: 86 3f: 49 rex.WB