watchdog: BUG: soft lockup - CPU#1 stuck for 24s! [syz-executor.0:5453] Modules linked in: irq event stamp: 6380527 hardirqs last enabled at (6380526): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (6380527): [] sysvec_apic_timer_interrupt+0xf/0xc0 softirqs last enabled at (6338314): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (6338317): [] __irq_exit_rcu+0x11b/0x180 CPU: 1 PID: 5453 Comm: syz-executor.0 Not tainted 6.2.0-rc3-next-20230111 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:ktime_get+0x1c4/0x1f0 Code: 02 00 00 00 31 f6 48 c7 c7 c8 a5 62 85 e8 04 00 f2 ff 48 8b 74 24 48 48 c7 c7 c8 a5 62 85 e8 33 f5 f1 ff e8 de 6a 16 00 fb 5a c9 fe ff ff e8 02 54 0f 00 0f 0b e9 59 fe ff ff 48 89 7c 24 08 RSP: 0018:ffff88806cf09dc0 EFLAGS: 00000206 RAX: 0000000000615b8e RBX: 0000000000000200 RCX: ffffffff812b79df RDX: ffffffff82febff5 RSI: 0000000000000100 RDI: 0000000000000000 RBP: ffff88801eae7220 R08: 0000000000000001 R09: ffffffff8765590f R10: fffffbfff0ecab21 R11: 0000000000000001 R12: 0000000000000000 R13: 00000000061a8000 R14: 0000000000000001 R15: dffffc0000000000 FS: 00007fd83436a700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055beee26f710 CR3: 000000003a02a000 CR4: 0000000000350ee0 Call Trace: mac80211_hwsim_beacon+0x1a5/0x200 __hrtimer_run_queues+0x54b/0xcb0 hrtimer_run_softirq+0x176/0x350 __do_softirq+0x1c7/0x913 __irq_exit_rcu+0x11b/0x180 irq_exit_rcu+0x9/0x30 sysvec_apic_timer_interrupt+0x92/0xc0 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:put_cpu_partial+0x115/0x1c0 Code: 39 43 28 75 61 48 c7 43 28 00 00 00 00 48 c7 c6 50 0b 7d 81 48 89 df e8 09 0c af ff 48 85 ed 74 06 e8 af 81 d3 ff fb 4d 85 ed <74> 21 5b 4c 89 ee 5d 4c 89 e7 41 5c 41 5d 41 5e 41 5f e9 54 fa ff RSP: 0018:ffff8880456275c0 EFLAGS: 00000246 RAX: 00000000003e9fa3 RBX: ffff88806cf3d960 RCX: ffffffff812b79df RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000200 R08: 0000000000000001 R09: ffffffff8765590f R10: fffffbfff0ecab21 R11: 0000000000000001 R12: ffff88800844f780 R13: 0000000000000000 R14: ffffea0000254180 R15: 0000000000000005 qlist_free_all+0x6d/0x1a0 kasan_quarantine_reduce+0x196/0x230 __kasan_slab_alloc+0x49/0x70 kmem_cache_alloc+0x172/0x300 __proc_create+0x2b3/0x8b0 proc_create_reg+0xb6/0x180 proc_create_data+0x89/0x1a0 cache_register_net+0x1e5/0x5e0 ip_map_cache_create+0x8b/0x130 sunrpc_init_net+0x58/0x190 ops_init+0xbb/0x6c0 setup_net+0x40c/0x9d0 copy_net_ns+0x321/0x770 create_new_namespaces+0x3f6/0xb30 copy_namespaces+0x414/0x500 copy_process+0x2a5e/0x7390 kernel_clone+0xeb/0x8c0 __do_sys_clone3+0x1d5/0x2e0 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7fd836df4b19 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:00007fd83436a188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3 RAX: ffffffffffffffda RBX: 00007fd836f07f60 RCX: 00007fd836df4b19 RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020004c00 RBP: 00007fd836e4ef6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff5526ea5f R14: 00007fd83436a300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 56 Comm: kmemleak Not tainted 6.2.0-rc3-next-20230111 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:write_comp_data+0x85/0x90 Code: 00 00 4a 8d 34 dd 28 00 00 00 48 39 f2 72 1b 48 83 c7 01 48 89 38 4c 89 44 30 e0 4c 89 4c 30 e8 4c 89 54 30 f0 4a 89 4c d8 20 3a 20 fb 02 66 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 RSP: 0018:ffff88800fe17d50 EFLAGS: 00000093 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff815ee5d7 RDX: ffff88800b373580 RSI: 0000000000000000 RDI: 0000000000000001 RBP: ffffffff848cf380 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: 4000000000000000 R13: 4000000000000002 R14: 00000000004af68c R15: ffffffff848cf380 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055beee25c648 CR3: 000000000ca82000 CR4: 0000000000350ef0 Call Trace: trace_rcu_dyntick+0x1a7/0x260 ct_nmi_enter+0xfa/0x1c0 ct_irq_enter_irqson+0x2c/0x50 trace_hardirqs_off+0xae/0x130 _raw_spin_lock_irqsave+0x56/0x60 scan_gray_list+0x281/0x480 kmemleak_scan+0x704/0x17c0 kmemleak_scan_thread+0x93/0xb5 kthread+0x2f1/0x3a0 ret_from_fork+0x2c/0x50 ---------------- Code disassembly (best guess): 0: 02 00 add (%rax),%al 2: 00 00 add %al,(%rax) 4: 31 f6 xor %esi,%esi 6: 48 c7 c7 c8 a5 62 85 mov $0xffffffff8562a5c8,%rdi d: e8 04 00 f2 ff callq 0xfff20016 12: 48 8b 74 24 48 mov 0x48(%rsp),%rsi 17: 48 c7 c7 c8 a5 62 85 mov $0xffffffff8562a5c8,%rdi 1e: e8 33 f5 f1 ff callq 0xfff1f556 23: e8 de 6a 16 00 callq 0x166b06 28: fb sti 29: 5a pop %rdx * 2a: e9 c9 fe ff ff jmpq 0xfffffef8 <-- trapping instruction 2f: e8 02 54 0f 00 callq 0xf5436 34: 0f 0b ud2 36: e9 59 fe ff ff jmpq 0xfffffe94 3b: 48 89 7c 24 08 mov %rdi,0x8(%rsp)