tmpfs: Unknown parameter 'uzD' tmpfs: Unknown parameter 'uzD' rcu_tasks_wait_gp: rcu_tasks grace period number 9 (since boot) is 10399 jiffies old. watchdog: BUG: soft lockup - CPU#0 stuck for 26s! [syz-executor.2:16414] Modules linked in: irq event stamp: 2664731 hardirqs last enabled at (2664730): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2664731): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2655776): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2655779): [] irq_exit_rcu+0x94/0xc0 CPU: 0 UID: 0 PID: 16414 Comm: syz-executor.2 Not tainted 6.12.0-rc5-next-20241104 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:_raw_spin_unlock_irqrestore+0x34/0x50 Code: c7 18 53 48 89 f3 48 8b 74 24 10 e8 86 50 aa fc 48 89 ef e8 8e c3 aa fc 80 e7 02 74 06 e8 54 1e d4 fc fb 65 ff 0d 94 ec 7d 7b <74> 07 5b 5d e9 a3 1e 00 00 0f 1f 44 00 00 5b 5d e9 97 1e 00 00 0f RSP: 0018:ffff88806ce08978 EFLAGS: 00000206 RAX: 000000000028a8e4 RBX: 0000000000000202 RCX: 1ffffffff0fe3dca RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8485ba2c RBP: ffff88800f51bcb8 R08: 0000000000000001 R09: fffffbfff0fdc5f7 R10: ffffffff87ee2fbf R11: 0000000000000000 R12: ffff8880096a0280 R13: ffffea00005606c0 R14: 0000000000000000 R15: ffff88801581b500 FS: 00007f68cecff700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555581ad9c98 CR3: 000000001c98c000 CR4: 0000000000350ef0 Call Trace: __delete_object+0x2b/0x50 kmem_cache_free+0x2ae/0x470 kfree_skbmem+0x18a/0x1f0 sk_skb_reason_drop+0x10e/0x1b0 packet_rcv+0x16e/0x1590 dev_queue_xmit_nit+0x86b/0xbc0 dev_hard_start_xmit+0xc9/0x740 sch_direct_xmit+0x26c/0x810 __dev_queue_xmit+0x1ad7/0x3d30 ip_finish_output2+0x1484/0x20e0 __ip_finish_output.part.0+0x1bb/0x350 ip_output+0x27f/0x850 ip_local_out+0x359/0x4c0 __ip_queue_xmit+0x770/0x1910 __tcp_transmit_skb+0x2884/0x39a0 __tcp_send_ack.part.0+0x3a6/0x650 tcp_send_ack+0x81/0xa0 __tcp_ack_snd_check+0x188/0xc20 tcp_rcv_established+0x8ab/0x2060 tcp_v4_do_rcv+0x5cf/0xa50 tcp_v4_rcv+0x31a0/0x42d0 ip_protocol_deliver_rcu+0xba/0x480 ip_local_deliver_finish+0x2f0/0x500 ip_local_deliver+0x1a3/0x200 ip_sublist_rcv_finish+0x274/0x570 ip_list_rcv_finish.constprop.0+0x3fe/0x580 ip_list_rcv+0x2c5/0x3e0 __netif_receive_skb_list_core+0x695/0x8d0 netif_receive_skb_list_internal+0x6c2/0xc90 napi_complete_done+0x219/0x830 e1000_clean+0x9ae/0x2540 __napi_poll+0xb9/0x540 net_rx_action+0xa06/0xe00 handle_softirqs+0x1b1/0x770 irq_exit_rcu+0x94/0xc0 sysvec_apic_timer_interrupt+0x70/0x80 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:slab_update_freelist.constprop.0.isra.0+0xdc/0x120 Code: 00 00 00 4d 89 74 24 28 eb 9b 88 44 24 08 e8 5b be d5 ff fb 0f b6 44 24 08 eb af 48 89 d0 48 89 ca 4c 89 c9 f0 48 0f c7 4e 20 <0f> 94 c0 eb 9b f3 90 eb 9b 65 ff 0d 7c 8c 7f 7e 74 1c f3 90 49 8b RSP: 0018:ffff88803c8cf590 EFLAGS: 00000246 RAX: 0000000000000000 RBX: ffff88804087de00 RCX: 0000000000150014 RDX: 0000000000150015 RSI: ffffea0001021f00 RDI: 0000000000080000 RBP: ffff88803c8cf5d0 R08: ffff88804087de00 R09: 0000000000150014 R10: ffffea0001021f01 R11: 0000000000000000 R12: ffffea0001021f00 R13: 0000000000000000 R14: 0000000000150014 R15: ffff8880096a0500 __slab_free+0x8f/0x310 qlist_free_all+0x50/0x160 kasan_quarantine_reduce+0x19f/0x240 __kasan_slab_alloc+0x49/0x70 __kmalloc_node_track_caller_noprof+0x18f/0x490 kmemdup_noprof+0x2c/0x60 nf_log_net_init+0xa0/0x380 ops_init+0x1e1/0x650 setup_net+0x1d7/0x7a0 copy_net_ns+0x2e3/0x6f0 create_new_namespaces+0x3f6/0xaf0 copy_namespaces+0x45c/0x580 copy_process+0x2704/0x8e60 kernel_clone+0xeb/0x850 __do_sys_clone3+0x1d9/0x260 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f68d1789b19 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:00007f68cecff188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3 RAX: ffffffffffffffda RBX: 00007f68d189cf60 RCX: 00007f68d1789b19 RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020004c00 RBP: 00007f68d17e3f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffdd37db56f R14: 00007f68cecff300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 246 Comm: sshd Not tainted 6.12.0-rc5-next-20241104 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:queued_spin_lock_slowpath+0xb3/0xb60 Code: 49 c1 ee 03 41 83 e5 07 48 b8 00 00 00 00 00 fc ff df 49 01 c6 41 83 c5 03 be 04 00 00 00 48 89 ef e8 91 fb 05 fd 41 0f b6 06 <41> 38 c5 7c 08 84 c0 0f 85 48 09 00 00 8b 45 00 89 44 24 38 85 c0 RSP: 0018:ffff88800a8878d0 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff8485c27f RDX: ffffed1002ad9b29 RSI: 0000000000000004 RDI: ffff8880156cd940 RBP: ffff8880156cd940 R08: 0000000000000000 R09: ffffed1002ad9b28 R10: ffff8880156cd943 R11: 0000000000000001 R12: 1ffff11001510f1b R13: 0000000000000003 R14: ffffed1002ad9b28 R15: ffff88800a887908 FS: 00007f5c719b7900(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fe078d9d998 CR3: 000000000980c000 CR4: 0000000000350ef0 Call Trace: do_raw_spin_lock+0x1de/0x270 lock_sock_nested+0x5f/0xf0 tcp_recvmsg+0xf8/0x630 inet_recvmsg+0x12b/0x6b0 sock_recvmsg+0x198/0x240 sock_read_iter+0x2bb/0x3b0 vfs_read+0xa28/0xbd0 ksys_read+0x1ed/0x250 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f5c71e99e8e Code: c0 e9 b6 fe ff ff 50 48 8d 3d 6e 18 0a 00 e8 b9 e7 01 00 66 0f 1f 84 00 00 00 00 00 64 8b 04 25 18 00 00 00 85 c0 75 14 0f 05 <48> 3d 00 f0 ff ff 77 5a c3 66 0f 1f 84 00 00 00 00 00 48 83 ec 28 RSP: 002b:00007ffecb5579a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007ffecb55ba3f RCX: 00007f5c71e99e8e RDX: 0000000000004000 RSI: 00007ffecb5579b0 RDI: 0000000000000004 RBP: 0000000000000004 R08: 00291cba60c9c380 R09: 00007f5c7252e000 R10: 00007f5c7252e070 R11: 0000000000000246 R12: 00005647c0257f00 R13: 00007ffecb5579b0 R14: 0000000000000004 R15: 00005647abe22a80 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: 18 53 48 sbb %dl,0x48(%rbx) 3: 89 f3 mov %esi,%ebx 5: 48 8b 74 24 10 mov 0x10(%rsp),%rsi a: e8 86 50 aa fc callq 0xfcaa5095 f: 48 89 ef mov %rbp,%rdi 12: e8 8e c3 aa fc callq 0xfcaac3a5 17: 80 e7 02 and $0x2,%bh 1a: 74 06 je 0x22 1c: e8 54 1e d4 fc callq 0xfcd41e75 21: fb sti 22: 65 ff 0d 94 ec 7d 7b decl %gs:0x7b7dec94(%rip) # 0x7b7decbd * 29: 74 07 je 0x32 <-- trapping instruction 2b: 5b pop %rbx 2c: 5d pop %rbp 2d: e9 a3 1e 00 00 jmpq 0x1ed5 32: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 37: 5b pop %rbx 38: 5d pop %rbp 39: e9 97 1e 00 00 jmpq 0x1ed5 3e: 0f .byte 0xf