watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [syz-executor.5:6719] Modules linked in: irq event stamp: 2208307 hardirqs last enabled at (2208306): [] ktime_get_with_offset+0x22c/0x2f0 hardirqs last disabled at (2208307): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2183454): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2183465): [] __irq_exit_rcu+0xc4/0x100 CPU: 1 UID: 0 PID: 6719 Comm: syz-executor.5 Not tainted 6.12.0-rc7-next-20241115 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:ktime_get_with_offset+0x22e/0x2f0 Code: 02 00 00 00 31 f6 48 c7 c7 88 e3 28 88 e8 ea 4c ef ff 48 8b 74 24 58 48 c7 c7 88 e3 28 88 e8 29 41 ef ff e8 a4 09 19 00 fb 5a 9d fe ff ff e8 78 0a 11 00 4c 89 f8 31 ff 4c 8b 3d 44 ed e7 06 RSP: 0018:ffff88806cf09c40 EFLAGS: 00000202 RAX: 000000000021b232 RBX: 0000000000000200 RCX: 1ffffffff0fdfecf RDX: ffffffff833bc7e6 RSI: 0000000000000000 RDI: ffffffff8140f67c RBP: dffffc0000000000 R08: 0000000000000001 R09: fffffbfff0fdddf1 R10: ffffffff87eeef8f R11: 5050505000000011 R12: ffff888015328e20 R13: 1ffffffff1051c82 R14: ffffffff8828e410 R15: ffff88801cee5b50 FS: 00007f7d7216a700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2d325000 CR3: 0000000013188000 CR4: 0000000000350ef0 Call Trace: __mac80211_hwsim_beacon_tx.part.0+0x1e6/0x5c0 mac80211_hwsim_beacon_tx+0x546/0x950 __iterate_interfaces+0x2e0/0x650 ieee80211_iterate_active_interfaces_atomic+0x71/0x1b0 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x1ab/0xa70 hrtimer_run_softirq+0x14c/0x310 handle_softirqs+0x1b1/0x770 __irq_exit_rcu+0xc4/0x100 irq_exit_rcu+0x9/0x20 sysvec_apic_timer_interrupt+0x70/0x80 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:put_cpu_partial+0x10a/0x1b0 Code: 24 28 75 5b 49 c7 44 24 28 00 00 00 00 4c 89 e7 48 8d 35 00 00 00 00 e8 14 9a ab ff 4d 85 ed 74 06 e8 8a 62 d5 ff fb 4d 85 f6 <74> 1c 5b 4c 89 f6 48 89 ef 5d 41 5c 41 5d 41 5e e9 c1 fa ff ff 44 RSP: 0018:ffff88803ccaf4c0 EFLAGS: 00000246 RAX: 0000000000215127 RBX: ffffea0000541880 RCX: 1ffffffff0fdfecf RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff81849d96 RBP: ffff888008feec80 R08: 0000000000000001 R09: fffffbfff0fdddf1 R10: ffffffff87eeef8f R11: 00000000000007e0 R12: ffff88806cf41b90 R13: 0000000000000200 R14: 0000000000000000 R15: ffff888015062380 qlist_free_all+0x50/0x160 kasan_quarantine_reduce+0x19f/0x240 __kasan_slab_alloc+0x49/0x70 __kmalloc_noprof+0x195/0x4b0 sk_prot_alloc+0x157/0x280 sk_alloc+0x34/0xb50 __netlink_create+0x5d/0x280 __netlink_kernel_create+0xeb/0x7c0 genl_pernet_init+0xbe/0x170 ops_init+0x1e1/0x650 setup_net+0x1d7/0x7a0 copy_net_ns+0x2e3/0x6f0 create_new_namespaces+0x3f6/0xaf0 copy_namespaces+0x45c/0x580 copy_process+0x2704/0x8e90 kernel_clone+0xeb/0x850 __do_sys_clone3+0x1d9/0x260 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f7d74c15b19 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:00007f7d7216a188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3 RAX: ffffffffffffffda RBX: 00007f7d74d29020 RCX: 00007f7d74c15b19 RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020004c00 RBP: 00007f7d74c6ff6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe0608ab8f R14: 00007f7d7216a300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 6718 Comm: syz-executor.7 Not tainted 6.12.0-rc7-next-20241115 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:lapic_next_deadline+0x25/0x50 Code: 90 90 90 90 90 f3 0f 1e fa 66 0f 1f 44 00 00 0f 31 48 c1 e2 20 b9 e0 06 00 00 48 09 c2 48 8d 04 fa 48 89 c2 48 c1 ea 20 0f 30 <66> 90 31 c0 e9 32 ed 74 03 48 89 c6 31 d2 bf e0 06 00 00 e8 03 76 RSP: 0018:ffff88806ce09ab8 EFLAGS: 00000013 RAX: 000000dc8d615140 RBX: 0000000000000000 RCX: 00000000000006e0 RDX: 00000000000000dc RSI: ffff88806ce28300 RDI: 0000000000000299 RBP: ffff88806ce28300 R08: 0000000000000001 R09: ffff8880152e5cb8 R10: 0000000000000772 R11: 0000000000000000 R12: 0000000000000299 R13: 0000000000000000 R14: 0000000000000002 R15: ffff88806ce2ce40 FS: 00007f4ccf199700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055dcddc1d980 CR3: 0000000007144000 CR4: 0000000000350ef0 Call Trace: clockevents_program_event+0x248/0x360 tick_program_event+0xa4/0x140 hrtimer_interrupt+0x3ba/0x830 __sysvec_apic_timer_interrupt+0xc2/0x330 sysvec_apic_timer_interrupt+0x34/0x80 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:write_comp_data+0xa/0xa0 Code: 48 c7 c0 f4 ff ff ff eb 92 0f 1f 80 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 49 89 d2 65 8b 05 5e a4 b1 7e <65> 48 8b 15 4e a4 b1 7e a9 00 01 ff 00 74 27 f6 c4 01 74 1d a9 00 RSP: 0018:ffff88806ce09ca8 EFLAGS: 00000246 RAX: 0000000000000101 RBX: 0000000000000001 RCX: ffffffff845a708e RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 RBP: 0000000000000000 R08: 0000000000000000 R09: fffffbfff0fdddec R10: 0000000000000000 R11: ffffffff81520c67 R12: ffff888015a26c80 R13: ffff88803cf7b0a8 R14: 0000000000000000 R15: ffff88803cf78e20 ieee80211_rx_list+0x28e/0x2840 ieee80211_rx_napi+0xdc/0x3b0 ieee80211_handle_queued_frames+0xd9/0x130 tasklet_action_common+0x235/0x3b0 handle_softirqs+0x1b1/0x770 __irq_exit_rcu+0xc4/0x100 irq_exit_rcu+0x9/0x20 sysvec_apic_timer_interrupt+0x70/0x80 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:finish_task_switch.isra.0+0x241/0x840 Code: b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 04 02 84 c0 74 08 3c 03 0f 8e c8 03 00 00 81 a3 c8 14 00 00 ff ff ff bf <48> 83 7d d0 00 74 55 65 48 8b 1d c0 d1 dd 7e 48 8d bb 00 05 00 00 RSP: 0018:ffff88803c967398 EFLAGS: 00000202 RAX: 0000000000000000 RBX: ffff8880152e5280 RCX: 1ffffffff0fde908 RDX: 1ffff11002a5cce9 RSI: 0000000000000000 RDI: ffff8880152e6748 RBP: ffff88803c9673d8 R08: 0000000000000001 R09: fffffbfff0fddded R10: ffffffff87eeef6f R11: 00000000fa83b2da R12: ffff88806ce3b998 R13: ffff88803a26b700 R14: ffff88806ce3b998 R15: ffff88806ce3b980 __schedule+0xc21/0x2fa0 __cond_resched+0x45/0x70 kmem_cache_alloc_node_noprof+0x2fa/0x3e0 kmalloc_reserve+0x189/0x2b0 __alloc_skb+0x162/0x370 inet_netconf_notify_devconf+0xe1/0x260 __devinet_sysctl_register+0x1cb/0x290 devinet_init_net+0x347/0x910 ops_init+0x1e1/0x650 setup_net+0x1d7/0x7a0 copy_net_ns+0x2e3/0x6f0 create_new_namespaces+0x3f6/0xaf0 copy_namespaces+0x45c/0x580 copy_process+0x2704/0x8e90 kernel_clone+0xeb/0x850 __do_sys_clone3+0x1d9/0x260 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f4cd1c23b19 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:00007f4ccf199188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3 RAX: ffffffffffffffda RBX: 00007f4cd1d36f60 RCX: 00007f4cd1c23b19 RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020004c00 RBP: 00007f4cd1c7df6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe8ca6664f R14: 00007f4ccf199300 R15: 0000000000022000 ---------------- 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 88 e3 28 88 mov $0xffffffff8828e388,%rdi d: e8 ea 4c ef ff callq 0xffef4cfc 12: 48 8b 74 24 58 mov 0x58(%rsp),%rsi 17: 48 c7 c7 88 e3 28 88 mov $0xffffffff8828e388,%rdi 1e: e8 29 41 ef ff callq 0xffef414c 23: e8 a4 09 19 00 callq 0x1909cc 28: fb sti 29: 5a pop %rdx * 2a: e9 9d fe ff ff jmpq 0xfffffecc <-- trapping instruction 2f: e8 78 0a 11 00 callq 0x110aac 34: 4c 89 f8 mov %r15,%rax 37: 31 ff xor %edi,%edi 39: 4c 8b 3d 44 ed e7 06 mov 0x6e7ed44(%rip),%r15 # 0x6e7ed84