watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor.7:4337] Modules linked in: irq event stamp: 3384919 hardirqs last enabled at (3384918): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (3384919): [] sysvec_apic_timer_interrupt+0xf/0xc0 softirqs last enabled at (3380960): [] irq_exit_rcu+0x11f/0x190 softirqs last disabled at (3380963): [] irq_exit_rcu+0x11f/0x190 CPU: 0 PID: 4337 Comm: syz-executor.7 Not tainted 6.2.0-rc4-next-20230116 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:unwind_next_frame+0x15e3/0x2130 Code: c1 ea 03 80 3c 02 00 0f 85 df 05 00 00 49 8d 7e 10 49 8b 6e 08 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 <0f> 85 b2 05 00 00 49 8b 46 10 48 39 dd 0f 87 8d f7 ff ff 48 39 d8 RSP: 0018:ffff88806ce096f0 EFLAGS: 00000246 RAX: dffffc0000000000 RBX: ffff88806ce09868 RCX: 0000000000000002 RDX: 1ffff1100d9c12fa RSI: ffff88806ce09858 RDI: ffff88806ce097d0 RBP: ffff88806ce02000 R08: ffffffff8604de84 R09: ffffffff8604de88 R10: fffffbfff0ba218a R11: ffff88806ce09800 R12: ffff88806ce09801 R13: ffff88806ce09820 R14: ffff88806ce097c0 R15: 0000000000000001 FS: 00007f02dd14e700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055bcc51a0ad8 CR3: 0000000041f92000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: __unwind_start+0x513/0x7c0 arch_stack_walk+0x63/0xf0 stack_trace_save+0x90/0xd0 kasan_save_stack+0x22/0x50 kasan_set_track+0x25/0x30 __kasan_kmalloc+0x7f/0x90 __kmalloc_node_track_caller+0x53/0xb0 __alloc_skb+0xe9/0x310 __netdev_alloc_skb+0x76/0x3e0 __ieee80211_beacon_get+0x3d9/0x13c0 ieee80211_beacon_get_tim+0x99/0x540 mac80211_hwsim_beacon_tx+0x1d2/0xb10 __iterate_interfaces+0x2d3/0x580 ieee80211_iterate_active_interfaces_atomic+0x73/0x1c0 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x54b/0xcb0 hrtimer_run_softirq+0x176/0x350 __do_softirq+0x274/0x8ff irq_exit_rcu+0x11f/0x190 sysvec_apic_timer_interrupt+0x92/0xc0 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:unwind_next_frame+0x35f/0x2130 Code: 00 fc ff df 4d 8d 48 04 4c 89 ca 48 c1 ea 03 0f b6 04 02 4c 89 ca 83 e2 07 38 d0 7f 08 84 c0 0f 85 e4 14 00 00 41 0f b6 40 04 0f 0f 85 a2 01 00 00 48 b8 00 00 00 00 00 fc ff df 49 8d 78 05 RSP: 0018:ffff8880455b7588 EFLAGS: 00000246 RAX: 0000000000000015 RBX: 0000000000000001 RCX: ffffffff8442c674 RDX: 0000000000000006 RSI: ffffffff8647148a RDI: ffffffff8601713c RBP: ffff8880455b7660 R08: ffffffff8647148a R09: ffffffff8647148e R10: fffffbfff0ba218a R11: 0000000000038001 R12: ffff8880455b7649 R13: ffff8880455b7668 R14: ffff8880455b7608 R15: ffffffff8442c674 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+0x172/0x300 __create_object+0x3d/0xc40 kmemleak_alloc_percpu+0xa5/0x140 pcpu_alloc+0x7ec/0x10d0 __percpu_counter_init+0x111/0x2e0 mm_init+0x803/0xc50 copy_process+0x3aec/0x7390 kernel_clone+0xeb/0x8c0 __do_sys_fork+0x80/0xc0 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f02dfbd8b19 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:00007f02dd14e188 EFLAGS: 00000246 ORIG_RAX: 0000000000000039 RAX: ffffffffffffffda RBX: 00007f02dfcebf60 RCX: 00007f02dfbd8b19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007f02dfc32f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd6dbafa2f R14: 00007f02dd14e300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 4341 Comm: syz-executor.5 Not tainted 6.2.0-rc4-next-20230116 #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:ffff88806cf09670 EFLAGS: 00000213 RAX: 1ffffffff0bed116 RBX: ffffffff85f688b4 RCX: ffffffff834d2768 RDX: 0000000000000000 RSI: ffffffff8636b7be RDI: ffffffff85f688b4 RBP: ffffffff85f688b4 R08: ffffffff8636b7be R09: ffffffff860e4aca R10: fffffbfff0ecb131 R11: 0000000000038001 R12: ffffffff85f688b4 R13: ffffffff85f688b4 R14: ffffffff85f688b4 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f23fdeb4360 CR3: 0000000009468000 CR4: 0000000000350ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 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_kmalloc+0x7f/0x90 __kmalloc_node_track_caller+0x53/0xb0 __alloc_skb+0xe9/0x310 skb_copy+0x13d/0x3d0 mac80211_hwsim_tx_frame_no_nl.isra.0+0xb6d/0x1360 mac80211_hwsim_tx_frame+0x1ee/0x2a0 mac80211_hwsim_beacon_tx+0x566/0xb10 __iterate_interfaces+0x2d3/0x580 ieee80211_iterate_active_interfaces_atomic+0x73/0x1c0 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x54b/0xcb0 hrtimer_run_softirq+0x176/0x350 __do_softirq+0x274/0x8ff irq_exit_rcu+0x11f/0x190 sysvec_apic_timer_interrupt+0x92/0xc0 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:__sanitizer_cov_trace_pc+0x3b/0x70 Code: 81 e1 00 01 00 00 65 48 8b 14 25 80 89 03 00 a9 00 01 ff 00 74 0e 85 c9 74 35 8b 82 14 14 00 00 85 c0 74 2b 8b 82 f0 13 00 00 <83> f8 02 75 20 48 8b 8a f8 13 00 00 8b 92 f4 13 00 00 48 8b 01 48 RSP: 0018:ffff88800fb7f6c0 EFLAGS: 00000246 RAX: 0000000000000000 RBX: ffff88800fb7fad8 RCX: 0000000000000000 RDX: ffff88801eb2b580 RSI: ffffffff81712244 RDI: 0000000000000007 RBP: ffffffffffffffff R08: 0000000000000007 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000001 R12: 0000000000000002 R13: ffffea0000eabf40 R14: dffffc0000000000 R15: 0000000000000001 __tlb_remove_page_size+0x54/0x480 unmap_page_range+0x109e/0x2d90 unmap_single_vma+0x190/0x2a0 unmap_vmas+0x225/0x370 exit_mmap+0x158/0x6a0 mmput+0xd5/0x390 do_exit+0x99b/0x2780 do_group_exit+0xd4/0x2a0 get_signal+0x2255/0x2390 arch_do_signal_or_restart+0x79/0x5a0 exit_to_user_mode_prepare+0xf5/0x190 syscall_exit_to_user_mode+0x1d/0x50 do_syscall_64+0x4c/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f35de665a04 Code: Unable to access opcode bytes at 0x7f35de6659da. RSP: 002b:00007f35dbc28060 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 RAX: fffffffffffffffe RBX: 00007f35de7c5f60 RCX: 00007f35de665a04 RDX: 0000000000000002 RSI: 00007f35dbc280f0 RDI: 00000000ffffff9c RBP: 00007f35dbc280f0 R08: 0000000000000000 R09: 00007f35dbc27f70 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002 R13: 00007ffc9fac68af R14: 00007f35dbc28300 R15: 0000000000022000 Bluetooth: hci7: Opcode 0x c03 failed: -110 I/O error, dev loop3, sector 264064 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 loop3: detected capacity change from 0 to 264192 audit: type=1400 audit(1673948630.336:12): avc: denied { module_load } for pid=4383 comm="syz-executor.2" path=2F6D656D66643A2A5E2C40202864656C6574656429 dev="tmpfs" ino=1048 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:tmpfs_t:s0 tclass=system permissive=1 Invalid ELF header len 1 Invalid ELF header len 1 FAT-fs (loop3): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) Bluetooth: hci7: Opcode 0x c03 failed: -110 ---------------- Code disassembly (best guess): 0: c1 ea 03 shr $0x3,%edx 3: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) 7: 0f 85 df 05 00 00 jne 0x5ec d: 49 8d 7e 10 lea 0x10(%r14),%rdi 11: 49 8b 6e 08 mov 0x8(%r14),%rbp 15: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 1c: fc ff df 1f: 48 89 fa mov %rdi,%rdx 22: 48 c1 ea 03 shr $0x3,%rdx 26: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) * 2a: 0f 85 b2 05 00 00 jne 0x5e2 <-- trapping instruction 30: 49 8b 46 10 mov 0x10(%r14),%rax 34: 48 39 dd cmp %rbx,%rbp 37: 0f 87 8d f7 ff ff ja 0xfffff7ca 3d: 48 39 d8 cmp %rbx,%rax