loop5: detected capacity change from 0 to 40 watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [syz-executor.4:7577] Modules linked in: irq event stamp: 7261807 hardirqs last enabled at (7261806): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (7261807): [] sysvec_apic_timer_interrupt+0xf/0x90 softirqs last enabled at (7242612): [] __irq_exit_rcu+0xcc/0x110 softirqs last disabled at (7242615): [] __irq_exit_rcu+0xcc/0x110 CPU: 1 PID: 7577 Comm: syz-executor.4 Not tainted 6.2.0-rc6-next-20230202 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:unwind_next_frame+0x1eb/0x2360 Code: 7c 1e 40 84 f6 74 19 48 89 4c 24 28 44 89 54 24 20 e8 b9 8f 6c 00 48 8b 4c 24 28 44 8b 54 24 20 8d 73 01 8b 0c 8d cc 74 4a 86 <48> ba 00 00 00 00 00 fc ff df 48 8d 3c b5 cc 74 4a 86 49 89 f8 49 RSP: 0018:ffff88806cf095b8 EFLAGS: 00000246 RAX: dffffc0000000000 RBX: 0000000000003b78 RCX: 000000000001134f RDX: 0000000000000007 RSI: 0000000000003b79 RDI: ffffffff864b62ac RBP: ffff88806cf09688 R08: 0000000000000001 R09: ffff88806cf09670 R10: 0000000000038001 R11: 0000000000000001 R12: ffff88806cf09671 R13: ffff88806cf09630 R14: 0000000000000002 R15: ffffffff813b784a FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000561de7c26ff8 CR3: 000000000e1ca000 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+0x59/0x70 kmem_cache_alloc+0x172/0x320 __create_object+0x3c/0xc90 __kmem_cache_alloc_node+0x1ed/0x310 __kmalloc_node_track_caller+0x43/0xb0 __alloc_skb+0xe9/0x310 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:__sanitizer_cov_trace_pc+0x4/0x70 Code: 00 e8 a0 ff ff ff 31 c0 e9 6d 69 fc 02 66 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa <65> 8b 05 8d 2a b8 7e 89 c1 48 8b 34 24 81 e1 00 01 00 00 65 48 8b RSP: 0018:ffff888045b67570 EFLAGS: 00000246 RAX: 0000000000000000 RBX: ffffea0000e9bd00 RCX: ffffffff8165384b RDX: ffff88803c849ac0 RSI: 0000000000000000 RDI: 0000000000000001 RBP: ffff888045b67b18 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000004 R13: dffffc0000000000 R14: 0000000000000000 R15: ffffea0000e9bd80 release_pages+0x174/0x1040 tlb_batch_pages_flush+0xa8/0x1b0 unmap_page_range+0x1aec/0x2da0 unmap_single_vma+0x194/0x2a0 unmap_vmas+0x233/0x390 exit_mmap+0x15b/0x6a0 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+0xeb/0x180 syscall_exit_to_user_mode+0x1d/0x50 do_syscall_64+0x4c/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f1ff9e53b19 Code: Unable to access opcode bytes at 0x7f1ff9e53aef. RSP: 002b:00007f1ff73c9188 EFLAGS: 00000246 ORIG_RAX: 00000000000000e9 RAX: 0000000000000000 RBX: 00007f1ff9f66f60 RCX: 00007f1ff9e53b19 RDX: 0000000000000004 RSI: 0000000000000003 RDI: 0000000000000003 RBP: 00007f1ff9eadf6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000020000100 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc08d45daf R14: 00007f1ff73c9300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 7574 Comm: syz-executor.2 Not tainted 6.2.0-rc6-next-20230202 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:mark_lock.part.0+0x2/0x2f30 Code: ff ff 48 c7 c7 c8 14 d1 85 e8 ea 0b 53 00 e9 04 ff ff ff 0f 1f 44 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 48 89 RSP: 0018:ffff88806ce095d8 EFLAGS: 00000002 RAX: 0000000000000007 RBX: ffff88801a72a50a RCX: ffffffff812c9dff RDX: 0000000000000005 RSI: ffff88801a72a4e8 RDI: ffff88801a729ac0 RBP: 0000000000000060 R08: 0000000000000000 R09: ffffffff8769a94f R10: fffffbfff0ed3529 R11: 0000000000000001 R12: ffff88801a72a4e8 R13: ffff88801a729ac0 R14: 0000000000000001 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f5555d88000 CR3: 000000000e1ca000 CR4: 0000000000350ef0 Call Trace: __lock_acquire+0x17a3/0x63b0 lock_acquire.part.0+0xec/0x320 ktime_get_update_offsets_now+0x9b/0x360 hrtimer_interrupt+0x111/0x750 __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:ffff88806ce09a28 EFLAGS: 00000202 RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff8447a87b RDX: fffffbfff0b48fd1 RSI: 0000000000000004 RDI: ffffffff85a47e80 RBP: ffffffff85a47e80 R08: 0000000000000000 R09: ffffffff85a47e83 R10: fffffbfff0b48fd0 R11: 0000000000000001 R12: 0000000000000003 R13: fffffbfff0b48fd0 R14: 0000000000000001 R15: 1ffff1100d9c1346 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:__sanitizer_cov_trace_pc+0x20/0x70 Code: 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 65 8b 05 8d 2a b8 7e 89 c1 48 8b 34 24 81 e1 00 01 00 00 65 48 8b 14 25 80 89 03 00 00 01 ff 00 74 0e 85 c9 74 35 8b 82 0c 14 00 00 85 c0 74 2b 8b RSP: 0018:ffff8880449cf6b8 EFLAGS: 00000246 RAX: 0000000080000001 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff88801a729ac0 RSI: ffffffff8174c3e3 RDI: 0000000000000001 RBP: ffffea000033ea00 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: ffffea000033ea00 R13: ffff88800e371b60 R14: 0000000000000000 R15: ffffea000033ea00 page_remove_rmap+0x83/0x540 unmap_page_range+0x16c5/0x2da0 unmap_single_vma+0x194/0x2a0 unmap_vmas+0x233/0x390 exit_mmap+0x15b/0x6a0 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+0xeb/0x180 syscall_exit_to_user_mode+0x1d/0x50 do_syscall_64+0x4c/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f0a69f22b19 Code: Unable to access opcode bytes at 0x7f0a69f22aef. RSP: 002b:00007f0a67498188 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: 0000000000000005 RBX: 00007f0a6a035f60 RCX: 00007f0a69f22b19 RDX: 00000000000026e1 RSI: 0000000020000040 RDI: ffffffffffffff9c RBP: 00007f0a69f7cf6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffef2a2c22f R14: 00007f0a67498300 R15: 0000000000022000 Bluetooth: hci7: command 0x0406 tx timeout ---------------- Code disassembly (best guess): 0: 7c 1e jl 0x20 2: 40 84 f6 test %sil,%sil 5: 74 19 je 0x20 7: 48 89 4c 24 28 mov %rcx,0x28(%rsp) c: 44 89 54 24 20 mov %r10d,0x20(%rsp) 11: e8 b9 8f 6c 00 callq 0x6c8fcf 16: 48 8b 4c 24 28 mov 0x28(%rsp),%rcx 1b: 44 8b 54 24 20 mov 0x20(%rsp),%r10d 20: 8d 73 01 lea 0x1(%rbx),%esi 23: 8b 0c 8d cc 74 4a 86 mov -0x79b58b34(,%rcx,4),%ecx * 2a: 48 ba 00 00 00 00 00 movabs $0xdffffc0000000000,%rdx <-- trapping instruction 31: fc ff df 34: 48 8d 3c b5 cc 74 4a lea -0x79b58b34(,%rsi,4),%rdi 3b: 86 3c: 49 89 f8 mov %rdi,%r8 3f: 49 rex.WB