RBP: 00007faaa20221d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffdc042fcbf R14: 00007faaa2022300 R15: 0000000000022000 watchdog: BUG: soft lockup - CPU#0 stuck for 24s! [syz-executor.1:4987] Modules linked in: irq event stamp: 4435883 hardirqs last enabled at (4435882): [] asm_sysvec_apic_timer_interrupt+0x16/0x20 hardirqs last disabled at (4435883): [] sysvec_apic_timer_interrupt+0xb/0xc0 softirqs last enabled at (4422484): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (4422487): [] __irq_exit_rcu+0x11b/0x180 CPU: 0 PID: 4987 Comm: syz-executor.1 Not tainted 5.19.0-next-20220811 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 RIP: 0010:unwind_next_frame+0x15c2/0x20b0 Code: c1 ea 03 80 3c 02 00 0f 85 a5 06 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 78 06 00 00 49 8b 46 10 48 39 dd 0f 87 27 f8 ff ff 48 39 d8 RSP: 0018:ffff88806ce095f8 EFLAGS: 00000246 RAX: dffffc0000000000 RBX: ffff88803cfa76d8 RCX: 0000000000000001 RDX: 1ffff1100d9c12d1 RSI: ffff88803cfa76c8 RDI: ffff88806ce09688 RBP: ffff88803cfa0000 R08: ffffffff85ebe200 R09: ffffffff85ebe204 R10: ffff88806ce09ff8 R11: ffff88806ce096b8 R12: ffff88806ce096b9 R13: ffff88806ce096d8 R14: ffff88806ce09678 R15: 0000000000000005 FS: 00007f80a43e3700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055d711505598 CR3: 00000000384dc000 CR4: 0000000000350ef0 Call Trace: arch_stack_walk+0x83/0xf0 stack_trace_save+0x8c/0xc0 kasan_save_stack+0x1e/0x40 __kasan_slab_alloc+0x66/0x80 kmem_cache_alloc+0x1b1/0x4a0 __create_object.isra.0+0x3d/0xc10 kmem_cache_alloc_node+0x259/0x4b0 __alloc_skb+0x210/0x300 skb_copy+0x139/0x3c0 mac80211_hwsim_tx_frame_no_nl.isra.0+0xb6d/0x1440 mac80211_hwsim_tx_frame+0x1ee/0x2a0 mac80211_hwsim_beacon_tx+0x562/0xaa0 __iterate_interfaces+0x2d3/0x560 ieee80211_iterate_active_interfaces_atomic+0x70/0x180 mac80211_hwsim_beacon+0x101/0x200 __hrtimer_run_queues+0x5de/0xbd0 hrtimer_run_softirq+0x172/0x340 __do_softirq+0x1c8/0x8d0 __irq_exit_rcu+0x11b/0x180 irq_exit_rcu+0x5/0x20 sysvec_apic_timer_interrupt+0x8e/0xc0 asm_sysvec_apic_timer_interrupt+0x16/0x20 RIP: 0010:put_cpu_partial+0x2/0x1c0 Code: 48 89 ef e8 50 fb ff ff 4d 85 f6 75 ec 48 83 c4 48 5b 5d 41 5c 41 5d 41 5e 41 5f e9 98 5a e8 02 e9 93 5a e8 02 0f 1f 00 41 57 <41> 89 d7 41 56 49 89 f6 41 55 41 54 49 89 fc 55 53 9c 5d fa 81 e5 RSP: 0018:ffff88803cfa7658 EFLAGS: 00000286 RAX: 0000000000000001 RBX: ffff888019912d80 RCX: 0000000080120011 RDX: 0000000000000001 RSI: ffffea0000664480 RDI: ffff888007c4f780 RBP: 0000000000000000 R08: ffff888019913b00 R09: 0000000080120011 R10: ffffea0000664480 R11: 0000000000000001 R12: dffffc0000000000 R13: ffff88803cfa76a8 R14: ffff888007c4f780 R15: ffff888019913b00 qlist_free_all+0x6d/0x1a0 kasan_quarantine_reduce+0x184/0x210 __kasan_slab_alloc+0x7c/0x80 kmem_cache_alloc+0x1b1/0x4a0 __create_object.isra.0+0x3d/0xc10 kmemleak_alloc_percpu+0x9d/0x160 pcpu_alloc+0x834/0x10f0 alloc_vfsmnt+0xfd/0x6c0 clone_mnt+0x6d/0xdc0 copy_tree+0x3b0/0xa60 copy_mnt_ns+0x1a9/0xa90 create_new_namespaces+0xd6/0xb30 copy_namespaces+0x395/0x480 copy_process+0x2ca7/0x6de0 kernel_clone+0xe7/0xa60 __do_sys_clone3+0x1d5/0x2e0 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f80a6e6db19 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:00007f80a43e3188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3 RAX: ffffffffffffffda RBX: 00007f80a6f80f60 RCX: 00007f80a6e6db19 RDX: 0000000000000000 RSI: 0000000000000058 RDI: 00000000200001c0 RBP: 00007f80a6ec7f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff4b99bd9f R14: 00007f80a43e3300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 4984 Comm: syz-executor.3 Not tainted 5.19.0-next-20220811 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 RIP: 0010:__lock_acquire+0x1639/0x5e70 Code: ff ff ff c7 44 24 58 ff ff ff ff c7 44 24 60 ff ff ff ff e9 d6 f3 ff ff 41 0f b7 5d 20 66 81 e3 ff 1f 0f b7 db be 08 00 00 00 <48> 89 d8 48 c1 e8 06 48 8d 3c c5 c0 37 ca 86 e8 43 df 4e 00 48 0f RSP: 0018:ffff88806cf09610 EFLAGS: 00000002 RAX: 0000000000040000 RBX: 0000000000000052 RCX: 00000000ffeb6383 RDX: 1ffff110089d84b1 RSI: 0000000000000008 RDI: 00000000beb5b1f8 RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff86ca37cf R10: fffffbfff0d946f9 R11: 0000000000000001 R12: ffff888044ec1b00 R13: ffff888044ec2568 R14: 0000000000000005 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055d7115018e0 CR3: 00000000171cc000 CR4: 0000000000350ee0 Call Trace: lock_acquire+0x1a2/0x530 _raw_spin_lock_irqsave+0x39/0x60 hrtimer_interrupt+0xf9/0x770 __sysvec_apic_timer_interrupt+0x144/0x500 sysvec_apic_timer_interrupt+0x3b/0xc0 asm_sysvec_apic_timer_interrupt+0x16/0x20 RIP: 0010:queued_spin_lock_slowpath+0x124/0xc80 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 1e e2 35 03 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:ffff88806cf09a08 EFLAGS: 00000202 RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff812a57e7 RDX: fffffbfff0b0738d RSI: 0000000000000004 RDI: ffffffff85839c60 RBP: ffffffff85839c60 R08: 0000000000000000 R09: ffffffff85839c63 R10: fffffbfff0b0738c R11: 0000000000000001 R12: 0000000000000003 R13: fffffbfff0b0738c R14: 0000000000000001 R15: 1ffff1100d9e1342 do_raw_spin_lock+0x1dc/0x260 mac80211_hwsim_tx_frame_no_nl.isra.0+0x6f1/0x1440 mac80211_hwsim_tx_frame+0x1ee/0x2a0 mac80211_hwsim_beacon_tx+0x562/0xaa0 __iterate_interfaces+0x2d3/0x560 ieee80211_iterate_active_interfaces_atomic+0x70/0x180 mac80211_hwsim_beacon+0x101/0x200 __hrtimer_run_queues+0x5de/0xbd0 hrtimer_run_softirq+0x172/0x340 __do_softirq+0x1c8/0x8d0 __irq_exit_rcu+0x11b/0x180 irq_exit_rcu+0x5/0x20 sysvec_apic_timer_interrupt+0x8e/0xc0 asm_sysvec_apic_timer_interrupt+0x16/0x20 RIP: 0010:folio_memcg_lock+0x6e/0x4a0 Code: 4f 02 00 00 0f 1f 44 00 00 48 8b 45 d0 48 83 c0 38 48 89 c2 48 89 45 c0 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 <0f> 85 18 03 00 00 48 8b 45 d0 48 8b 58 38 f6 c3 01 0f 85 8f 01 00 RSP: 0018:ffff8880460c76a8 EFLAGS: 00000246 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 1ffffffff0a27d1d RDX: 1ffffd40001bf6c7 RSI: 0000000000000002 RDI: ffffffff8513e8e8 RBP: ffff8880460c76f0 R08: 0000000000000000 R09: ffffffff86ca37c7 R10: fffffbfff0d946f8 R11: 0000000000000001 R12: 0000000000000000 R13: ffff88801af28e00 R14: ffff88804594baf0 R15: dffffc0000000000 page_remove_rmap+0x1e/0x490 unmap_page_range+0xfde/0x2e20 unmap_single_vma+0x196/0x360 unmap_vmas+0x18f/0x330 exit_mmap+0x186/0x440 mmput+0xc8/0x380 do_exit+0xb3e/0x2940 do_group_exit+0xd0/0x2a0 get_signal+0x2205/0x24b0 arch_do_signal_or_restart+0x89/0x1be0 exit_to_user_mode_prepare+0x131/0x1a0 syscall_exit_to_user_mode+0x19/0x40 do_syscall_64+0x48/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f5fbf64db19 Code: Unable to access opcode bytes at RIP 0x7f5fbf64daef. RSP: 002b:00007f5fbcbc3188 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: 0000000000000005 RBX: 00007f5fbf760f60 RCX: 00007f5fbf64db19 RDX: 0000000000000000 RSI: 00000000200000c0 RDI: ffffffffffffff9c RBP: 00007f5fbf6a7f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe16b9783f R14: 00007f5fbcbc3300 R15: 0000000000022000 ---------------- Code disassembly (best guess): 0: c1 ea 03 shr $0x3,%edx 3: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) 7: 0f 85 a5 06 00 00 jne 0x6b2 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 78 06 00 00 jne 0x6a8 <-- trapping instruction 30: 49 8b 46 10 mov 0x10(%r14),%rax 34: 48 39 dd cmp %rbx,%rbp 37: 0f 87 27 f8 ff ff ja 0xfffff864 3d: 48 39 d8 cmp %rbx,%rax