watchdog: BUG: soft lockup - CPU#0 stuck for 25s! [syz-executor.1:9011] Modules linked in: irq event stamp: 4032385 hardirqs last enabled at (4032384): [] asm_sysvec_apic_timer_interrupt+0x16/0x20 hardirqs last disabled at (4032385): [] sysvec_apic_timer_interrupt+0xb/0xc0 softirqs last enabled at (4018234): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (4018237): [] __irq_exit_rcu+0x11b/0x180 CPU: 0 PID: 9011 Comm: syz-executor.1 Not tainted 5.19.0-rc8-next-20220728 #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_quarantine_put+0x8d/0x1f0 Code: c7 45 00 00 00 00 00 48 03 58 10 48 89 58 10 48 81 fb 00 00 10 00 77 63 41 bc 01 00 00 00 4d 85 ed 74 43 e8 05 10 d4 ff fb 5b <44> 89 e0 5d 41 5c 41 5d 41 5e e9 c4 c8 e7 02 e8 df 0e d4 ff 48 c7 RSP: 0018:ffff88806ce09de0 EFLAGS: 00000206 RAX: 00000000003d8756 RBX: ffff88800dec7440 RCX: ffffffff8129489f RDX: 0000000000000000 RSI: 0000000000000100 RDI: 0000000000000000 RBP: ffff88800dec7440 R08: 0000000000000001 R09: ffffffff86ca37cf R10: fffffbfff0d946f9 R11: 0000000000000001 R12: 0000000000000001 R13: 0000000000000200 R14: ffff88800dec74c0 R15: ffff888007c4f780 FS: 00007f5064c25700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff029620018 CR3: 00000000470b6000 CR4: 0000000000350ef0 DR0: 0000000000006bac DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: kmem_cache_free+0xfb/0x610 rcu_core+0x7e2/0x2080 __do_softirq+0x1c8/0x8d0 __irq_exit_rcu+0x11b/0x180 irq_exit_rcu+0x5/0x20 sysvec_apic_timer_interrupt+0x8e/0xc0 asm_sysvec_apic_timer_interrupt+0x16/0x20 RIP: 0010:put_cpu_partial+0x115/0x1c0 Code: 39 43 28 75 61 48 c7 43 28 00 00 00 00 48 c7 c6 90 d3 77 81 48 89 df e8 89 12 b2 ff 48 85 ed 74 06 e8 ff ad d4 ff fb 4d 85 ed <74> 21 5b 4c 89 ee 5d 4c 89 e7 41 5c 41 5d 41 5e 41 5f e9 84 fd ff RSP: 0018:ffff888008ea7610 EFLAGS: 00000246 RAX: 00000000003d195d RBX: ffff88806ce3c2e0 RCX: ffffffff8129489f RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000200 R08: 0000000000000001 R09: ffffffff86ca37cf R10: fffffbfff0d946f9 R11: 0000000000000001 R12: ffff888007c4f780 R13: 0000000000000000 R14: ffffea0000662a00 R15: 0000000000000001 qlist_free_all+0x6d/0x1a0 kasan_quarantine_reduce+0x184/0x210 __kasan_slab_alloc+0x7c/0x80 kmem_cache_alloc+0x1b1/0x4a0 __proc_create+0x2b3/0x8b0 proc_create_reg+0xb2/0x180 proc_create_seq_private+0x8c/0x180 dev_proc_net_init+0xa4/0x1c0 ops_init+0xb2/0x480 setup_net+0x40c/0x9d0 copy_net_ns+0x318/0x760 create_new_namespaces+0x3f6/0xb30 copy_namespaces+0x395/0x480 copy_process+0x2ca7/0x6de0 kernel_clone+0xe7/0xa60 __do_sys_clone3+0x1d5/0x2e0 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f50676afb19 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:00007f5064c25188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3 RAX: ffffffffffffffda RBX: 00007f50677c2f60 RCX: 00007f50676afb19 RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020004c00 RBP: 00007f5067709f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc3cf11a7f R14: 00007f5064c25300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.19.0-rc8-next-20220728 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 RIP: 0010:lock_release+0x446/0x750 Code: 65 8b 1d 85 2f d8 7e 89 db be 08 00 00 00 48 89 d8 48 c1 e8 06 48 8d 3c c5 90 d7 ae 85 e8 d2 7f 4e 00 48 0f a3 1d 1a ed 84 04 <0f> 83 5a fc ff ff 65 ff 05 fd 83 d8 7e 48 c7 c0 20 a7 ac 85 48 ba RSP: 0018:ffff88806cf09dc8 EFLAGS: 00000047 RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff8129ea6e RDX: fffffbfff0b5daf3 RSI: 0000000000000008 RDI: ffffffff85aed790 RBP: 1ffff1100d9e13bb R08: 0000000000000000 R09: ffffffff85aed797 R10: fffffbfff0b5daf2 R11: 0000000000000001 R12: ffffffff85424948 R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555ad0510648 CR3: 000000001dba6000 CR4: 0000000000350ee0 DR0: 0000000000006bac DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: ktime_get+0x8d/0x1f0 clockevents_program_event+0x14b/0x360 tick_program_event+0xac/0x140 hrtimer_interrupt+0x366/0x770 __sysvec_apic_timer_interrupt+0x144/0x500 sysvec_apic_timer_interrupt+0x89/0xc0 asm_sysvec_apic_timer_interrupt+0x16/0x20 RIP: 0010:default_idle+0xb/0x10 Code: c2 fe ff 4c 89 e2 48 89 ef 31 f6 5d 41 5c e9 2c 14 1b fe cc cc cc cc cc cc cc cc cc cc cc cc eb 07 0f 00 2d b7 99 62 00 fb f4 30 5d 40 00 41 54 be 08 00 00 00 53 65 48 8b 1c 25 c0 6e 02 00 RSP: 0018:ffff888008687e58 EFLAGS: 00000206 RAX: ffffffff841fdd40 RBX: ffff888008655100 RCX: ffffffff841dfbc2 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: 0000000000000001 R08: 0000000000000001 R09: ffff88806cf33b53 R10: ffffed100d9e676a R11: 0000000000000001 R12: ffffed10010caa20 R13: ffffffff85aed790 R14: 0000000000000000 R15: dffffc0000000000 default_idle_call+0x84/0xc0 do_idle+0x3bd/0x530 cpu_startup_entry+0x14/0x20 start_secondary+0x1c8/0x220 secondary_startup_64_no_verify+0xe0/0xeb ---------------- Code disassembly (best guess): 0: c7 45 00 00 00 00 00 movl $0x0,0x0(%rbp) 7: 48 03 58 10 add 0x10(%rax),%rbx b: 48 89 58 10 mov %rbx,0x10(%rax) f: 48 81 fb 00 00 10 00 cmp $0x100000,%rbx 16: 77 63 ja 0x7b 18: 41 bc 01 00 00 00 mov $0x1,%r12d 1e: 4d 85 ed test %r13,%r13 21: 74 43 je 0x66 23: e8 05 10 d4 ff callq 0xffd4102d 28: fb sti 29: 5b pop %rbx * 2a: 44 89 e0 mov %r12d,%eax <-- trapping instruction 2d: 5d pop %rbp 2e: 41 5c pop %r12 30: 41 5d pop %r13 32: 41 5e pop %r14 34: e9 c4 c8 e7 02 jmpq 0x2e7c8fd 39: e8 df 0e d4 ff callq 0xffd40f1d 3e: 48 rex.W 3f: c7 .byte 0xc7