loop3: detected capacity change from 0 to 264192 watchdog: BUG: soft lockup - CPU#0 stuck for 24s! [syz-executor.5:8088] Modules linked in: irq event stamp: 27688141 hardirqs last enabled at (27688140): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (27688141): [] sysvec_apic_timer_interrupt+0xf/0xc0 softirqs last enabled at (27671196): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (27671199): [] __irq_exit_rcu+0x11b/0x180 CPU: 0 PID: 8088 Comm: syz-executor.5 Not tainted 6.1.0-rc8-next-20221208 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__orc_find+0x6f/0xf0 Code: 72 4d 4c 89 e0 48 29 e8 48 89 c2 48 c1 e8 3f 48 c1 fa 02 48 01 d0 48 d1 f8 48 8d 5c 85 00 48 89 d8 48 c1 e8 03 42 0f b6 14 38 <48> 89 d8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 50 48 63 03 48 01 RSP: 0018:ffff88806ce095f0 EFLAGS: 00000216 RAX: 1ffffffff0bb7db1 RBX: ffffffff85dbed88 RCX: ffffffff817d3cb1 RDX: 0000000000000000 RSI: ffffffff860ee7a0 RDI: ffffffff85dbed70 RBP: ffffffff85dbed70 R08: ffffffff860ee7a0 R09: ffffffff8608dc6a R10: ffff88806ce09ff8 R11: 0000000000038001 R12: ffffffff85dbeda4 R13: ffffffff85dbed70 R14: ffffffff85dbed70 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fcca34df000 CR3: 000000000dd98000 CR4: 0000000000350ef0 Call Trace: unwind_next_frame+0x2b1/0x2130 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+0x1e1/0x410 __create_object+0x3d/0xc10 __kmem_cache_alloc_node+0x25b/0x400 __kmalloc_node_track_caller+0x43/0xb0 __alloc_skb+0xe9/0x310 __netdev_alloc_skb+0x76/0x3e0 __ieee80211_beacon_get+0x3d9/0x1310 ieee80211_beacon_get_tim+0x99/0x4f0 mac80211_hwsim_beacon_tx+0x1d2/0xab0 __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:preempt_count_add+0x3c/0x150 Code: 00 fc ff df 48 89 c1 53 83 e0 07 89 fb 48 c1 e9 03 83 c0 03 0f b6 14 11 38 d0 7c 08 84 d2 0f 85 e9 00 00 00 8b 15 f4 9b 79 06 <65> 01 1d 35 6d e1 7e 85 d2 75 11 65 8b 05 2a 6d e1 7e 0f b6 c0 3d RSP: 0018:ffff8880472ff578 EFLAGS: 00000297 RAX: 0000000000000003 RBX: 0000000000000001 RCX: 1ffffffff0f376f8 RDX: 0000000000000000 RSI: ffffffff8107f999 RDI: 0000000000000001 RBP: ffff8880472ff668 R08: ffffffff8605d630 R09: ffffffff8605d634 R10: ffffed1008e5fecf R11: ffff8880472ff650 R12: ffff8880472ff6d8 R13: 0000000000000000 R14: ffff8880472ff610 R15: ffff888008441640 unwind_next_frame+0xb0/0x2130 arch_stack_walk+0x87/0xf0 stack_trace_save+0x90/0xd0 kasan_save_stack+0x22/0x50 kasan_set_track+0x25/0x30 kasan_save_free_info+0x2e/0x50 __kasan_slab_free+0x10a/0x190 __kmem_cache_free+0xcf/0x410 __vunmap+0x9b5/0xbf0 __vfree+0x3c/0xd0 vfree+0x66/0xa0 kcov_put+0x2a/0x40 kcov_close+0x10/0x20 __fput+0x263/0xa40 task_work_run+0x174/0x280 do_exit+0xa8e/0x2720 do_group_exit+0xd4/0x2a0 get_signal+0x21b7/0x22f0 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: 0033:0x7fd9fadc9c27 Code: Unable to access opcode bytes at 0x7fd9fadc9bfd. RSP: 002b:00007fd9f833ffa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fd9fadc9c27 RDX: 0000000000000000 RSI: 00000000000001ff RDI: 0000000020000100 RBP: 00007fd9f8340040 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000020000100 R14: 00007fd9f8340000 R15: 0000000000000000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 8108 Comm: syz-executor.1 Not tainted 6.1.0-rc8-next-20221208 #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 b6 b8 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 93 b8 30 03 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 90 90 RSP: 0018:ffff88806cf09818 EFLAGS: 00000046 RAX: ffffffff811169e0 RBX: 0000000000000000 RCX: ffffffff811262ab RDX: 1ffffffff0a54d91 RSI: 0000000000000000 RDI: 00000000000000b0 RBP: ffffffff852a6c80 R08: 0000000000000001 R09: ffff88806cf2828f R10: ffffed100d9e5051 R11: 0000000000000001 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2dbff7c000 CR3: 000000000dd98000 CR4: 0000000000350ee0 Call Trace: __sysvec_apic_timer_interrupt+0x86/0x500 sysvec_apic_timer_interrupt+0x3f/0xc0 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:stack_trace_consume_entry+0xf/0x170 Code: 52 fd ff ff e8 02 87 07 03 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 48 b8 00 00 00 00 00 fc ff df 55 <53> 48 89 fb 48 83 c7 10 48 89 fa 48 c1 ea 03 48 83 ec 08 0f b6 04 RSP: 0018:ffff88806cf09900 EFLAGS: 00000282 RAX: dffffc0000000000 RBX: ffffffff81385470 RCX: ffff88806cf099b0 RDX: 1ffff1100d9e132d RSI: ffffffff81385720 RDI: ffff88806cf099d8 RBP: ffff88806cf099a8 R08: ffffffff860418bc R09: ffffffff860418c0 R10: ffffed100d9e132f R11: ffff88806cf09950 R12: ffff88806cf099d8 R13: 0000000000000000 R14: ffff888048653580 R15: ffff888018f10d80 arch_stack_walk+0x77/0xf0 stack_trace_save+0x90/0xd0 __create_object+0x389/0xc10 kmem_cache_alloc_node+0x283/0x420 __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:kasan_quarantine_put+0x91/0x1f0 Code: c7 45 00 00 00 00 00 48 03 58 10 48 89 58 10 48 81 fb 00 00 10 00 77 63 41 bc 01 00 00 00 4d 85 ed 74 43 e8 61 f2 d2 ff fb 5b <44> 89 e0 5d 41 5c 41 5d 41 5e e9 c4 ad c4 02 e8 0b f1 d2 ff 48 c7 RSP: 0018:ffff888047a3f408 EFLAGS: 00000202 RAX: 0000000001798fa7 RBX: ffff88801df85800 RCX: ffffffff812b8edf RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffff88801df85800 R08: 0000000000000001 R09: ffffffff8762e8cf R10: fffffbfff0ec5d19 R11: 0000000000000001 R12: 0000000000000001 R13: 0000000000000200 R14: 0000000000000002 R15: ffff888008441c80 __kmem_cache_free+0xcf/0x410 skb_release_data+0x6d8/0x810 consume_skb+0xcb/0x170 netlink_broadcast+0x359/0xd90 nlmsg_notify+0x93/0x290 rtmsg_ifa+0x1ba/0x290 __inet_del_ifa+0x401/0xf70 inetdev_event+0x56d/0x1690 raw_notifier_call_chain+0xb7/0x110 call_netdevice_notifiers_info+0xb5/0x130 unregister_netdevice_many_notify+0x8f4/0x15e0 unregister_netdevice_queue+0x209/0x2c0 __tun_detach+0xf59/0x1240 tun_chr_close+0xc8/0x230 __fput+0x263/0xa40 task_work_run+0x174/0x280 do_exit+0xa8e/0x2720 do_group_exit+0xd4/0x2a0 get_signal+0x21b7/0x22f0 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: 0033:0x7fba18242b19 Code: Unable to access opcode bytes at 0x7fba18242aef. RSP: 002b:00007fba15797188 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: 0000000000000220 RBX: 00007fba18356020 RCX: 00007fba18242b19 RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000004 RBP: 00007fba1829cf6d R08: 0000000000000000 R09: 0000000000000000 R10: 00000000fffffdef R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc83249dff R14: 00007fba15797300 R15: 0000000000022000 ---------------- Code disassembly (best guess): 0: 72 4d jb 0x4f 2: 4c 89 e0 mov %r12,%rax 5: 48 29 e8 sub %rbp,%rax 8: 48 89 c2 mov %rax,%rdx b: 48 c1 e8 3f shr $0x3f,%rax f: 48 c1 fa 02 sar $0x2,%rdx 13: 48 01 d0 add %rdx,%rax 16: 48 d1 f8 sar %rax 19: 48 8d 5c 85 00 lea 0x0(%rbp,%rax,4),%rbx 1e: 48 89 d8 mov %rbx,%rax 21: 48 c1 e8 03 shr $0x3,%rax 25: 42 0f b6 14 38 movzbl (%rax,%r15,1),%edx * 2a: 48 89 d8 mov %rbx,%rax <-- trapping instruction 2d: 83 e0 07 and $0x7,%eax 30: 83 c0 03 add $0x3,%eax 33: 38 d0 cmp %dl,%al 35: 7c 04 jl 0x3b 37: 84 d2 test %dl,%dl 39: 75 50 jne 0x8b 3b: 48 63 03 movslq (%rbx),%rax 3e: 48 rex.W 3f: 01 .byte 0x1