watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor.0:4840] Modules linked in: irq event stamp: 4784819 hardirqs last enabled at (4784818): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (4784819): [] sysvec_apic_timer_interrupt+0xf/0x90 softirqs last enabled at (4745530): [] __irq_exit_rcu+0xcc/0x110 softirqs last disabled at (4745533): [] __irq_exit_rcu+0xcc/0x110 CPU: 0 PID: 4840 Comm: syz-executor.0 Not tainted 6.3.0-rc1-next-20230308 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:unwind_next_frame+0x1ea/0x22d0 Code: 48 89 54 24 28 48 89 74 24 20 44 89 54 24 18 e8 ec 50 6d 00 48 8b 54 24 28 48 8b 74 24 20 44 8b 54 24 18 8b 0c 95 28 79 4c 86 <8d> 56 01 48 b8 00 00 00 00 00 fc ff df 48 8d 3c 95 28 79 4c 86 49 RSP: 0018:ffff88806ce09700 EFLAGS: 00000246 RAX: 0000000000000003 RBX: ffffffff8360d0c8 RCX: 000000000008abf0 RDX: 00000000000260d0 RSI: 00000000000260d0 RDI: ffffffff8655fc68 RBP: ffff88806ce097c8 R08: 0000000000000001 R09: ffff88806ce097b0 R10: 0000000000038001 R11: 0000000000000001 R12: ffff88806ce097d0 R13: ffff88806ce09770 R14: ffff88806ce097b1 R15: 0000000000000002 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055ae61580fc0 CR3: 00000000159a6000 CR4: 0000000000350ef0 Call Trace: arch_stack_walk+0x87/0xf0 stack_trace_save+0x90/0xd0 set_track_prepare+0x74/0xd0 __create_object+0x3b2/0xc90 kmem_cache_alloc_node+0x21f/0x330 kmalloc_reserve+0x169/0x270 __alloc_skb+0x129/0x330 skb_copy+0x13d/0x3f0 mac80211_hwsim_tx_frame_no_nl.isra.0+0xb08/0x1330 mac80211_hwsim_tx_frame+0x1ee/0x2a0 mac80211_hwsim_beacon_tx+0x567/0xb10 __iterate_interfaces+0x2d3/0x580 ieee80211_iterate_active_interfaces_atomic+0x73/0x1c0 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x54b/0xcb0 hrtimer_run_softirq+0x14c/0x310 __do_softirq+0x258/0x8a2 __irq_exit_rcu+0xcc/0x110 irq_exit_rcu+0x9/0x20 sysvec_apic_timer_interrupt+0x6e/0x90 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:release_pages+0x1a4/0x1040 Code: c6 01 48 83 c5 08 44 89 f6 89 df e8 06 08 e6 ff 44 39 f3 0f 84 f4 07 00 00 e8 18 0d e6 ff 48 89 e8 48 c1 e8 03 42 80 3c 28 00 <0f> 85 65 0c 00 00 48 8b 5d 00 49 89 df 49 83 e7 fc 49 8d 7f 08 48 RSP: 0018:ffff88804561f578 EFLAGS: 00000246 RAX: 1ffff11002c1481e RBX: 00000000000001fe RCX: 0000000000000000 RDX: ffff888045b68000 RSI: ffffffff81655f98 RDI: 0000000000000004 RBP: ffff8880160a40f0 R08: 0000000000000004 R09: 00000000000001fe R10: 000000000000001c R11: 0000000000000001 R12: 0000000000000005 R13: dffffc0000000000 R14: 000000000000001c R15: ffffea0000ea3e00 tlb_batch_pages_flush+0xa8/0x1b0 unmap_page_range+0x1af6/0x2db0 unmap_single_vma+0x19a/0x2b0 unmap_vmas+0x233/0x390 exit_mmap+0x15e/0x960 mmput+0xd5/0x390 do_exit+0x9c6/0x2800 do_group_exit+0xd4/0x2a0 get_signal+0x23c8/0x2450 arch_do_signal_or_restart+0x79/0x590 exit_to_user_mode_prepare+0x122/0x190 syscall_exit_to_user_mode+0x1d/0x50 do_syscall_64+0x4c/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7fbf86c81b19 Code: Unable to access opcode bytes at 0x7fbf86c81aef. RSP: 002b:00007fbf841f7188 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: 0000000000010000 RBX: 00007fbf86d94f60 RCX: 00007fbf86c81b19 RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000003 RBP: 00007fbf86cdbf6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000100000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd1c89011f R14: 00007fbf841f7300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 4864 Comm: syz-executor.5 Not tainted 6.3.0-rc1-next-20230308 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:mark_lock.part.0+0x125/0x2f30 Code: 00 00 4f 8d 34 76 49 c1 e6 06 49 81 c6 e0 5d 78 87 48 b8 00 00 00 00 00 fc ff df 49 8d 7e 50 48 89 fa 48 c1 ea 03 80 3c 02 00 <0f> 85 58 20 00 00 4c 89 f8 49 23 46 50 0f 84 ba 07 00 00 41 bb 01 RSP: 0018:ffff88806cf093e0 EFLAGS: 00000046 RAX: dffffc0000000000 RBX: 1ffff1100d9e1283 RCX: ffffffff812cb98f RDX: 1ffffffff0ef147e RSI: 0000000000000008 RDI: ffffffff8778a3f0 RBP: ffff8880158eda18 R08: 0000000000000000 R09: ffffffff877859cf R10: fffffbfff0ef0b39 R11: 0000000000000001 R12: 0000000000000000 R13: ffff8880158eda38 R14: ffffffff8778a3a0 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffc10617cd8 CR3: 00000000159a6000 CR4: 0000000000350ee0 Call Trace: __lock_acquire+0x171d/0x6380 lock_acquire.part.0+0xea/0x320 _raw_spin_lock_irq+0x33/0x50 __hrtimer_run_queues+0x1ee/0xcb0 hrtimer_interrupt+0x2ef/0x750 __sysvec_apic_timer_interrupt+0xff/0x4a0 sysvec_apic_timer_interrupt+0x33/0x90 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:queued_spin_lock_slowpath+0x128/0xc50 Code: 00 00 00 65 48 2b 04 25 28 00 00 00 0f 85 d5 09 00 00 48 81 c4 88 00 00 00 5b 5d 41 5c 41 5d 41 5e 41 5f e9 4e 1f 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:ffff88806cf09a28 EFLAGS: 00000202 RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff844b283b RDX: fffffbfff0b4b0c5 RSI: 0000000000000004 RDI: ffffffff85a58620 RBP: ffffffff85a58620 R08: 0000000000000000 R09: ffffffff85a58623 R10: fffffbfff0b4b0c4 R11: 0000000000000001 R12: 0000000000000003 R13: fffffbfff0b4b0c4 R14: 0000000000000001 R15: 1ffff1100d9e1346 do_raw_spin_lock+0x1e0/0x270 mac80211_hwsim_tx_frame_no_nl.isra.0+0x6de/0x1330 mac80211_hwsim_tx_frame+0x1ee/0x2a0 mac80211_hwsim_beacon_tx+0x567/0xb10 __iterate_interfaces+0x2d3/0x580 ieee80211_iterate_active_interfaces_atomic+0x73/0x1c0 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x54b/0xcb0 hrtimer_run_softirq+0x14c/0x310 __do_softirq+0x258/0x8a2 __irq_exit_rcu+0xcc/0x110 irq_exit_rcu+0x9/0x20 sysvec_apic_timer_interrupt+0x6e/0x90 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 56 3c e2 fc 48 89 ef e8 5e b7 e2 fc 80 e7 02 74 06 e8 54 70 07 fd fb 65 ff 0d 94 6a b8 7b <74> 07 5b 5d e9 07 28 00 00 0f 1f 44 00 00 5b 5d e9 fb 27 00 00 0f RSP: 0018:ffff88801d3bf9a8 EFLAGS: 00000246 RAX: 000000000029b639 RBX: 0000000000000283 RCX: ffffffff812cb98f RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff844b1fec RBP: ffffffff856d5940 R08: 0000000000000001 R09: ffffffff877859ef R10: fffffbfff0ef0b3d R11: 0000000000000001 R12: 0000000000000283 R13: ffff88800c94daf8 R14: ffff88800ecba180 R15: 0000000000100000 kmemleak_free+0x18a/0x200 kmem_cache_free+0xb9/0x510 remove_vma+0x123/0x170 exit_mmap+0x317/0x960 mmput+0xd5/0x390 do_exit+0x9c6/0x2800 do_group_exit+0xd4/0x2a0 get_signal+0x23c8/0x2450 arch_do_signal_or_restart+0x79/0x590 exit_to_user_mode_prepare+0x122/0x190 syscall_exit_to_user_mode+0x1d/0x50 do_syscall_64+0x4c/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f4abafd1b19 Code: Unable to access opcode bytes at 0x7f4abafd1aef. RSP: 002b:00007f4ab8526188 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: 0000000000000004 RBX: 00007f4abb0e5020 RCX: 00007f4abafd1b19 RDX: 0000000000004042 RSI: 0000000020000100 RDI: ffffffffffffff9c RBP: 00007f4abb02bf6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc57ef36ef R14: 00007f4ab8526300 R15: 0000000000022000 hpet: Lost 3 RTC interrupts hpet: Lost 4 RTC interrupts ---------------- 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 54 24 18 mov %r10d,0x18(%rsp) f: e8 ec 50 6d 00 callq 0x6d5100 14: 48 8b 54 24 28 mov 0x28(%rsp),%rdx 19: 48 8b 74 24 20 mov 0x20(%rsp),%rsi 1e: 44 8b 54 24 18 mov 0x18(%rsp),%r10d 23: 8b 0c 95 28 79 4c 86 mov -0x79b386d8(,%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 28 79 4c lea -0x79b386d8(,%rdx,4),%rdi 3e: 86 3f: 49 rex.WB