watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor.0:4422] Modules linked in: irq event stamp: 4026565 hardirqs last enabled at (4026564): [] asm_sysvec_irq_work+0x12/0x20 hardirqs last disabled at (4026565): [] sysvec_apic_timer_interrupt+0xb/0xc0 softirqs last enabled at (2411414): [] __irq_exit_rcu+0x113/0x170 softirqs last disabled at (2411417): [] __irq_exit_rcu+0x113/0x170 CPU: 0 PID: 4422 Comm: syz-executor.0 Not tainted 5.18.0-rc4-next-20220426 #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+0x1fc/0x20a0 Code: 48 89 54 24 28 48 89 74 24 20 44 89 5c 24 18 e8 ca 26 66 00 48 8b 54 24 28 48 8b 74 24 20 44 8b 5c 24 18 8b 0c 95 14 fc 02 86 <8d> 56 01 48 b8 00 00 00 00 00 fc ff df 48 8d 3c 95 14 fc 02 86 49 RSP: 0018:ffff88806ce08e28 EFLAGS: 00000246 RAX: 0000000000000007 RBX: 0000000000000002 RCX: 000000000009040a RDX: 0000000000026dae RSI: 0000000000026dae RDI: ffffffff860cb2cc RBP: ffff88806ce08f00 R08: ffffffff850c2000 R09: ffffffff85f4ee98 R10: ffffed100d9c11e2 R11: 000000000003403c R12: ffff88806ce08ee9 R13: ffff88806ce08f08 R14: ffff88806ce08ea8 R15: ffffffff836daed3 FS: 00007fcb3856e700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fcb3b0467f0 CR3: 000000001977a000 CR4: 0000000000350ef0 Call Trace: arch_stack_walk+0x83/0xf0 stack_trace_save+0x8c/0xc0 kasan_save_stack+0x1e/0x40 kasan_set_track+0x21/0x30 kasan_set_free_info+0x20/0x30 __kasan_slab_free+0x108/0x170 kfree+0xcf/0x410 skb_release_data+0x686/0x7b0 kfree_skb_reason.part.0+0xa9/0x2b0 kfree_skb_reason+0x85/0x110 tcp_data_queue+0x1670/0x48a0 tcp_rcv_established+0x833/0x2050 tcp_v4_do_rcv+0x684/0x9b0 tcp_v4_rcv+0x37b2/0x3ae0 ip_protocol_deliver_rcu+0xbf/0xb70 ip_local_deliver_finish+0x2ee/0x4c0 ip_local_deliver+0x1b3/0x200 ip_sublist_rcv_finish+0x274/0x570 ip_sublist_rcv+0x402/0x800 ip_list_rcv+0x29e/0x390 __netif_receive_skb_list_core+0x691/0x8d0 netif_receive_skb_list_internal+0x6c8/0xc80 napi_complete_done+0x1f1/0x790 e1000_clean+0x9bb/0x1c60 __napi_poll+0xb9/0x690 net_rx_action+0x8d8/0xbe0 __do_softirq+0x270/0x8c7 __irq_exit_rcu+0x113/0x170 irq_exit_rcu+0x5/0x20 sysvec_apic_timer_interrupt+0x8e/0xc0 asm_sysvec_apic_timer_interrupt+0x12/0x20 RIP: 0010:do_raw_spin_unlock+0xab/0x210 Code: 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8d 63 10 4c 89 e2 48 c1 ea 03 80 3c 02 00 0f 85 5f 01 00 00 65 48 8b 04 25 40 6f 02 00 <48> 39 43 10 0f 85 b4 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d RSP: 0018:ffff888044af7d50 EFLAGS: 00000246 RAX: ffff88804243b600 RBX: ffffffff852cba20 RCX: ffffffff8129743f RDX: 1ffffffff0a59746 RSI: 0000000000000004 RDI: ffffffff852cba20 RBP: ffffffff852cba20 R08: 0000000000000000 R09: ffffffff852cba23 R10: fffffbfff0a59744 R11: 0000000000000001 R12: ffffffff852cba30 R13: ffff88801750a150 R14: 0000000000000000 R15: ffff888009674a30 _raw_spin_unlock+0x1a/0x40 fasync_insert_entry+0x21d/0x2a0 fasync_helper+0x5f/0xb0 perf_fasync+0x7e/0xb0 do_fcntl+0x389/0xfb0 __x64_sys_fcntl+0x15f/0x1d0 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7fcb3aff8b19 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:00007fcb3856e188 EFLAGS: 00000246 ORIG_RAX: 0000000000000048 RAX: ffffffffffffffda RBX: 00007fcb3b10bf60 RCX: 00007fcb3aff8b19 RDX: 0000000000002400 RSI: 0000000000000004 RDI: 0000000000000006 RBP: 00007fcb3b052f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffca0682b8f R14: 00007fcb3856e300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 4399 Comm: syz-executor.5 Not tainted 5.18.0-rc4-next-20220426 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 RIP: 0010:kasan_check_range+0xe8/0x1e0 Code: a8 00 00 00 80 38 00 74 ee 41 bb 01 00 00 00 48 85 c0 0f 85 80 00 00 00 5b 44 89 d8 5d 41 5c c3 48 ba 00 00 00 00 00 80 ff ff <48> 39 fa 0f 86 44 ff ff ff 44 89 c2 e8 77 eb ff ff 5b 5d 83 f0 01 RSP: 0018:ffff88806cf09df0 EFLAGS: 00000082 RAX: ffffffff858e8e58 RBX: 0000000000000001 RCX: ffffffff81354b28 RDX: ffff800000000000 RSI: 0000000000000008 RDI: ffffffff858e8e50 RBP: ffff888043986320 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff81356a12 R11: 0000000000000001 R12: ffff88806cf2a700 R13: ffff88806cf2a780 R14: dffffc0000000000 R15: 00000039dd2a3c07 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555561f2098 CR3: 0000000017cb4000 CR4: 0000000000350ee0 Call Trace: trace_hrtimer_cancel+0x38/0x230 __hrtimer_run_queues+0x39d/0xbd0 hrtimer_interrupt+0x315/0x770 __sysvec_apic_timer_interrupt+0x144/0x4f0 sysvec_apic_timer_interrupt+0x89/0xc0 asm_sysvec_apic_timer_interrupt+0x12/0x20 RIP: 0010:finish_task_switch.isra.0+0x230/0x870 Code: 89 f7 48 c7 03 00 00 00 00 e8 0c 9d 20 03 4d 85 e4 75 ba 4c 89 f7 e8 9f 5c f6 02 e8 ca 69 2b 00 fb 65 48 8b 1c 25 40 6f 02 00 <48> 8d bb 40 14 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 RSP: 0018:ffff8880437675d8 EFLAGS: 00000202 RAX: 00000000001d8001 RBX: ffff888042c55100 RCX: ffffffff812852cf RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffff888043767618 R08: 0000000000000001 R09: ffffffff86a5076f R10: fffffbfff0d4a0ed R11: 0000000000000001 R12: 0000000000000001 R13: ffff888017e3b600 R14: ffff88806cf37e00 R15: ffff88806cf37e18 __schedule+0x895/0x2450 preempt_schedule_common+0x45/0xc0 __cond_resched+0x13/0x20 unmap_page_range+0x1050/0x27c0 unmap_single_vma+0x196/0x360 unmap_vmas+0x18f/0x320 exit_mmap+0x192/0x460 mmput+0xc8/0x380 do_exit+0xa0a/0x27e0 do_group_exit+0xd2/0x2f0 get_signal+0x2303/0x2350 arch_do_signal_or_restart+0x88/0x1a40 exit_to_user_mode_prepare+0x131/0x1a0 syscall_exit_to_user_mode+0x19/0x40 do_syscall_64+0x48/0x90 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7ff60c301b19 Code: Unable to access opcode bytes at RIP 0x7ff60c301aef. RSP: 002b:00007ff609877188 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: 0000000000000005 RBX: 00007ff60c414f60 RCX: 00007ff60c301b19 RDX: 0000000000020c40 RSI: 0000000020000080 RDI: ffffffffffffff9c RBP: 00007ff60c35bf6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe6b1ac67f R14: 00007ff609877300 R15: 0000000000022000 ---------------- Code disassembly (best guess): 0: 48 89 54 24 28 mov %rdx,0x28(%rsp) 5: 48 89 74 24 20 mov %rsi,0x20(%rsp) a: 44 89 5c 24 18 mov %r11d,0x18(%rsp) f: e8 ca 26 66 00 callq 0x6626de 14: 48 8b 54 24 28 mov 0x28(%rsp),%rdx 19: 48 8b 74 24 20 mov 0x20(%rsp),%rsi 1e: 44 8b 5c 24 18 mov 0x18(%rsp),%r11d 23: 8b 0c 95 14 fc 02 86 mov -0x79fd03ec(,%rdx,4),%ecx * 2a: 8d 56 01 lea 0x1(%rsi),%edx <-- trapping instruction 2d: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 34: fc ff df 37: 48 8d 3c 95 14 fc 02 lea -0x79fd03ec(,%rdx,4),%rdi 3e: 86 3f: 49 rex.WB