watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [syz-executor.4:18333] Modules linked in: irq event stamp: 3357799 hardirqs last enabled at (3357798): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (3357799): [] sysvec_apic_timer_interrupt+0xf/0x90 softirqs last enabled at (3321436): [] irq_exit_rcu+0x93/0xc0 softirqs last disabled at (3321439): [] irq_exit_rcu+0x93/0xc0 CPU: 0 PID: 18333 Comm: syz-executor.4 Not tainted 6.5.0-rc3-next-20230725 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:kasan_check_range+0x161/0x1b0 Code: 49 8d 04 2c 48 85 d2 75 b0 48 89 da 48 29 c2 e9 4c ff ff ff 48 85 d2 74 b6 48 01 ea eb 09 48 83 c0 01 48 39 d0 74 a8 80 38 00 <74> f2 e9 77 ff ff ff b8 01 00 00 00 e9 be 7f d9 02 48 29 c3 48 89 RSP: 0018:ffff88806ce096e0 EFLAGS: 00000246 RAX: fffffbfff0ba945a RBX: fffffbfff0ba945b RCX: ffffffff812df6a3 RDX: fffffbfff0ba945b RSI: 0000000000000008 RDI: ffffffff85d4a2d0 RBP: fffffbfff0ba945a R08: 0000000000000000 R09: fffffbfff0ba945a R10: ffffffff85d4a2d7 R11: 0000000000000001 R12: 0000000000000002 R13: 0000000000000000 R14: ffffffff8560c4e0 R15: 0000000000000000 FS: 00007feeca905700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2c62b000 CR3: 000000003f46e000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: lock_acquire+0xb3/0x4c0 __is_insn_slot_addr+0x41/0x290 kernel_text_address+0x5b/0xc0 __kernel_text_address+0xd/0x40 unwind_get_return_address+0x59/0xa0 arch_stack_walk+0x9d/0xf0 stack_trace_save+0x90/0xd0 kasan_save_stack+0x22/0x50 __kasan_record_aux_stack+0x8e/0xa0 __call_rcu_common.constprop.0+0x6a/0xbd0 kmem_cache_free+0xc1/0x4d0 skb_release_data.isra.0+0x708/0x840 consume_skb+0x119/0x2e0 mac80211_hwsim_tx_frame+0x1f6/0x2a0 mac80211_hwsim_beacon_tx+0x427/0x730 __iterate_interfaces+0x2d3/0x580 ieee80211_iterate_active_interfaces_atomic+0x73/0x1c0 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x59d/0xb60 hrtimer_run_softirq+0x14c/0x310 __do_softirq+0x1b7/0x7d4 irq_exit_rcu+0x93/0xc0 sysvec_apic_timer_interrupt+0x6e/0x90 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:put_cpu_partial+0x107/0x1b0 Code: 39 45 28 75 5e 48 c7 45 28 00 00 00 00 48 c7 c6 12 63 81 81 48 89 ef e8 b7 8a ac ff 48 85 db 74 06 e8 3d 99 d2 ff fb 4d 85 f6 <74> 1e 5b 4c 89 f6 5d 4c 89 e7 41 5c 41 5d 41 5e 41 5f e9 12 fa ff RSP: 0018:ffff8880405b7570 EFLAGS: 00000246 RAX: 0000000000311303 RBX: 0000000000000200 RCX: ffffffff812d4b5f RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff81816333 RBP: ffff88806ce3de60 R08: 0000000000000001 R09: fffffbfff0efe565 R10: ffffffff877f2b2f R11: 0000000000000001 R12: ffff88800844f780 R13: ffffea00003ba440 R14: 0000000000000000 R15: 0000000000000002 qlist_free_all+0x6d/0x1a0 kasan_quarantine_reduce+0x199/0x230 __kasan_slab_alloc+0x49/0x70 kmem_cache_alloc_lru+0x248/0x680 sock_alloc_inode+0x27/0x1d0 alloc_inode+0x63/0x240 new_inode_pseudo+0x17/0x80 sock_alloc+0x40/0x270 sock_create_lite+0x83/0x120 __netlink_kernel_create+0xe2/0x860 rtnetlink_net_init+0xbc/0x150 ops_init+0xbb/0x6b0 setup_net+0x3d9/0x990 copy_net_ns+0x321/0x770 create_new_namespaces+0x3f6/0xb30 copy_namespaces+0x414/0x500 copy_process+0x2b78/0x7320 kernel_clone+0xeb/0x810 __do_sys_clone3+0x1d5/0x250 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x6e/0xd8 RIP: 0033:0x7feecd38fb19 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:00007feeca905188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3 RAX: ffffffffffffffda RBX: 00007feecd4a2f60 RCX: 00007feecd38fb19 RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020004c00 RBP: 00007feecd3e9f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff20c61b6f R14: 00007feeca905300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 skipped: idling at default_idle+0xf/0x20 hpet: Lost 6 RTC interrupts ---------------- Code disassembly (best guess): 0: 49 8d 04 2c lea (%r12,%rbp,1),%rax 4: 48 85 d2 test %rdx,%rdx 7: 75 b0 jne 0xffffffb9 9: 48 89 da mov %rbx,%rdx c: 48 29 c2 sub %rax,%rdx f: e9 4c ff ff ff jmpq 0xffffff60 14: 48 85 d2 test %rdx,%rdx 17: 74 b6 je 0xffffffcf 19: 48 01 ea add %rbp,%rdx 1c: eb 09 jmp 0x27 1e: 48 83 c0 01 add $0x1,%rax 22: 48 39 d0 cmp %rdx,%rax 25: 74 a8 je 0xffffffcf 27: 80 38 00 cmpb $0x0,(%rax) * 2a: 74 f2 je 0x1e <-- trapping instruction 2c: e9 77 ff ff ff jmpq 0xffffffa8 31: b8 01 00 00 00 mov $0x1,%eax 36: e9 be 7f d9 02 jmpq 0x2d97ff9 3b: 48 29 c3 sub %rax,%rbx 3e: 48 rex.W 3f: 89 .byte 0x89