watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor.1:11639] Modules linked in: irq event stamp: 2578823 hardirqs last enabled at (2578822): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (2578823): [] sysvec_apic_timer_interrupt+0xf/0x90 softirqs last enabled at (98154): [] irq_exit_rcu+0x93/0xc0 softirqs last disabled at (98157): [] irq_exit_rcu+0x93/0xc0 CPU: 0 PID: 11639 Comm: syz-executor.1 Not tainted 6.5.0-rc6-next-20230817 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__sanitizer_cov_trace_pc+0xb/0x70 Code: c0 e9 59 0c 0f 03 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 bd fc b5 7e <89> c1 48 8b 34 24 81 e1 00 01 00 00 65 48 8b 14 25 80 8d 03 00 a9 RSP: 0018:ffff88806ce093e0 EFLAGS: 00000287 RAX: 0000000000000102 RBX: ffff88806ce09508 RCX: 0000000000000100 RDX: 1ffff1100d9c12a3 RSI: ffffffff8113b471 RDI: ffff88806ce09518 RBP: ffff88806ce09500 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000008 R13: ffff88806ce02000 R14: ffff88806ce0a000 R15: ffffffff860b9b02 FS: 00007f1378c5a700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fe2b26463a4 CR3: 0000000041f4e000 CR4: 0000000000350ef0 Call Trace: stack_access_ok+0x1d8/0x260 unwind_next_frame+0xd01/0x25d0 __unwind_start+0x64f/0x8e0 arch_stack_walk+0x8f/0x160 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 kfree_skb_reason+0x13a/0x470 ip_rcv_finish_core.constprop.0+0xa95/0x1cd0 ip_list_rcv_finish.constprop.0+0x30a/0x530 ip_list_rcv+0x2bd/0x3b0 __netif_receive_skb_list_core+0x695/0x8d0 netif_receive_skb_list_internal+0x6d0/0xce0 netif_receive_skb_list+0x4f/0x3a0 ieee80211_rx_napi+0x355/0x3c0 ieee80211_tasklet_handler+0xd6/0x130 tasklet_action_common.constprop.0+0x267/0x700 __do_softirq+0x1b7/0x7d4 irq_exit_rcu+0x93/0xc0 sysvec_apic_timer_interrupt+0x6e/0x90 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:__orc_find+0x7a/0x130 Code: 89 f3 49 be 00 00 00 00 00 fc ff df eb 17 e8 7d e5 39 00 49 8d 5f 04 4c 89 3c 24 e8 70 e5 39 00 48 39 dd 72 67 e8 66 e5 39 00 <48> 89 e8 48 29 d8 48 89 c2 48 c1 e8 3f 48 c1 fa 02 48 01 d0 48 d1 RSP: 0018:ffff888044a3f820 EFLAGS: 00000212 RAX: 0000000000000df5 RBX: ffffffff85e24a98 RCX: ffffc90001bd1000 RDX: 0000000000040000 RSI: ffffffff8113ab5a RDI: 0000000000000005 RBP: ffffffff85e24ae4 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000014 R11: 0000000000000000 R12: ffffffff81909d76 R13: ffffffff81909d76 R14: dffffc0000000000 R15: 00000000000251d8 unwind_next_frame+0x31d/0x25d0 arch_stack_walk+0xe6/0x160 stack_trace_save+0x90/0xd0 kasan_save_stack+0x22/0x50 kasan_set_track+0x25/0x30 __kasan_slab_alloc+0x59/0x70 kmem_cache_alloc+0x17b/0x390 __create_object+0x3c/0xc90 kmem_cache_alloc_lru+0x2ec/0x680 sock_alloc_inode+0x27/0x1d0 alloc_inode+0x63/0x240 new_inode_pseudo+0x17/0x80 sock_alloc+0x40/0x270 __sock_create+0xc1/0x820 __sys_socket+0x148/0x260 __x64_sys_socket+0x73/0xb0 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x6e/0xd8 RIP: 0033:0x7f137b6e4b19 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:00007f1378c5a188 EFLAGS: 00000246 ORIG_RAX: 0000000000000029 RAX: ffffffffffffffda RBX: 00007f137b7f7f60 RCX: 00007f137b6e4b19 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 000000000000000a RBP: 00007f137b73ef6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc1609566f R14: 00007f1378c5a300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 skipped: idling at default_idle+0x1e/0x30 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: e9 59 0c 0f 03 jmpq 0x30f0c5e 5: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) c: 00 00 e: 90 nop f: 90 nop 10: 90 nop 11: 90 nop 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop 16: 90 nop 17: 90 nop 18: 90 nop 19: 90 nop 1a: 90 nop 1b: 90 nop 1c: 90 nop 1d: 90 nop 1e: f3 0f 1e fa endbr64 22: 65 8b 05 bd fc b5 7e mov %gs:0x7eb5fcbd(%rip),%eax # 0x7eb5fce6 * 29: 89 c1 mov %eax,%ecx <-- trapping instruction 2b: 48 8b 34 24 mov (%rsp),%rsi 2f: 81 e1 00 01 00 00 and $0x100,%ecx 35: 65 48 8b 14 25 80 8d mov %gs:0x38d80,%rdx 3c: 03 00 3e: a9 .byte 0xa9