watchdog: BUG: soft lockup - CPU#1 stuck for 121s! [syz.7.2094:16970] Modules linked in: irq event stamp: 13258495 hardirqs last enabled at (13258494): [] irqentry_exit+0x74/0x90 kernel/entry/common.c:214 hardirqs last disabled at (13258495): [] sysvec_apic_timer_interrupt+0xe/0xc0 arch/x86/kernel/apic/apic.c:1052 softirqs last enabled at (13128146): [] __do_softirq kernel/softirq.c:656 [inline] softirqs last enabled at (13128146): [] invoke_softirq kernel/softirq.c:496 [inline] softirqs last enabled at (13128146): [] __irq_exit_rcu+0xca/0x1f0 kernel/softirq.c:723 softirqs last disabled at (13128149): [] __do_softirq kernel/softirq.c:656 [inline] softirqs last disabled at (13128149): [] invoke_softirq kernel/softirq.c:496 [inline] softirqs last disabled at (13128149): [] __irq_exit_rcu+0xca/0x1f0 kernel/softirq.c:723 CPU: 1 UID: 0 PID: 16970 Comm: syz.7.2094 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 RIP: 0010:__orc_find arch/x86/kernel/unwind_orc.c:99 [inline] RIP: 0010:orc_find arch/x86/kernel/unwind_orc.c:227 [inline] RIP: 0010:unwind_next_frame+0x1334/0x2390 arch/x86/kernel/unwind_orc.c:494 Code: 0f b6 04 08 84 c0 75 27 49 63 07 4c 01 f8 49 8d 4f 04 4c 39 e0 48 0f 46 e9 49 8d 47 fc 48 0f 47 d8 4d 0f 46 ef 48 39 dd 76 a2 7b ef ff ff 44 89 f9 80 e1 07 80 c1 03 38 c1 7c cc 4c 89 ff 48 RSP: 0018:ffffc90000a07b58 EFLAGS: 00000202 RAX: ffffffff90200060 RBX: ffffffff90200064 RCX: ffffffff90200068 RDX: ffffffff90200064 RSI: ffffffff90d23842 RDI: ffffffff8bc06100 RBP: ffffffff90200068 R08: 000000000000000a R09: ffffffff8172ad45 R10: ffffc90000a07c78 R11: ffffffff81ab4d30 R12: ffffffff8b473c3e R13: ffffffff90200064 R14: ffffc90000a07c28 R15: ffffffff90200064 FS: 00007f18ed1e96c0(0000) GS:ffff888125e27000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f255fbd9d58 CR3: 000000006324e000 CR4: 00000000003526f0 DR0: 0000200000000300 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: arch_stack_walk+0x11c/0x150 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x9c/0xe0 kernel/stacktrace.c:122 kasan_save_stack+0x3e/0x60 mm/kasan/common.c:56 kasan_record_aux_stack+0xbd/0xd0 mm/kasan/generic.c:559 kvfree_call_rcu+0x130/0x4c0 mm/slab_common.c:1995 cfg80211_update_known_bss+0x830/0x1590 net/wireless/scan.c:1944 __cfg80211_bss_update+0x147/0x2120 net/wireless/scan.c:1989 cfg80211_inform_single_bss_data+0xba9/0x1ac0 net/wireless/scan.c:2381 cfg80211_inform_bss_data+0x203/0x3b40 net/wireless/scan.c:3240 cfg80211_inform_bss_frame_data+0x3d7/0x730 net/wireless/scan.c:3331 ieee80211_bss_info_update+0x749/0x9e0 net/mac80211/scan.c:226 ieee80211_scan_rx+0x593/0xa20 net/mac80211/scan.c:355 __ieee80211_rx_handle_packet net/mac80211/rx.c:5194 [inline] ieee80211_rx_list+0x20d5/0x2b40 net/mac80211/rx.c:5447 ieee80211_rx_napi+0x1a8/0x3d0 net/mac80211/rx.c:5470 ieee80211_rx include/net/mac80211.h:5214 [inline] ieee80211_handle_queued_frames+0xe8/0x1f0 net/mac80211/main.c:453 tasklet_action_common+0x369/0x580 kernel/softirq.c:925 handle_softirqs+0x283/0x870 kernel/softirq.c:622 __do_softirq kernel/softirq.c:656 [inline] invoke_softirq kernel/softirq.c:496 [inline] __irq_exit_rcu+0xca/0x1f0 kernel/softirq.c:723 irq_exit_rcu+0x9/0x30 kernel/softirq.c:739 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1052 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1052 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:call_rcu+0x73e/0x9c0 kernel/rcu/tree.c:3244 Code: 84 24 a1 00 00 00 02 75 62 f7 44 24 50 00 02 00 00 49 bc 00 00 00 00 00 fc ff df 74 01 fb 48 c7 84 24 80 00 00 00 0e 36 e0 45 <4b> c7 44 25 00 00 00 00 00 66 43 c7 44 25 09 00 00 43 c6 44 25 0b RSP: 0018:ffffc9000ad86560 EFLAGS: 00000206 RAX: 38d98d5ba4398900 RBX: ffff88801db65450 RCX: 38d98d5ba4398900 RDX: 0000000000000000 RSI: ffffffff8d7e3bb3 RDI: ffffffff8bc06160 RBP: ffffc9000ad86690 R08: ffffffff8f9db437 R09: 1ffffffff1f3b686 R10: dffffc0000000000 R11: fffffbfff1f3b687 R12: dffffc0000000000 R13: 1ffff920015b0cbc R14: 1ffff110170e761e R15: 0000000000000290 context_switch kernel/sched/core.c:5328 [inline] __schedule+0x17a0/0x4cc0 kernel/sched/core.c:6929 preempt_schedule_irq+0xb5/0x150 kernel/sched/core.c:7256 irqentry_exit+0x6f/0x90 kernel/entry/common.c:211 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:arch_stack_walk+0x6c/0x150 arch/x86/include/asm/stacktrace.h:-1 Code: 1e 84 c0 0f 84 da 00 00 00 49 8b 8f 98 00 00 00 eb 1b 65 48 8b 04 25 08 90 8f 92 49 39 c4 74 0a 49 8b 8c 24 d0 18 00 00 eb 03 <48> 89 e9 48 c7 45 d0 00 00 00 00 48 c7 45 c8 00 00 00 00 48 c7 45 RSP: 0018:ffffc9000ad86a28 EFLAGS: 00000246 RAX: ffff88802a925ac0 RBX: ffffc9000ad86ae0 RCX: 0000000000000000 RDX: ffff88802a925ac0 RSI: ffffc9000ad86ae0 RDI: ffffffff81ab4d30 RBP: ffffc9000ad86ab0 R08: ffffc9000ad86c1f R09: 0000000000000000 R10: ffffc9000ad86ba0 R11: fffff520015b0d84 R12: ffff88802a925ac0 R13: 1ffff920015b0d70 R14: ffffffff81ab4d30 R15: 0000000000000000 stack_trace_save+0x9c/0xe0 kernel/stacktrace.c:122 save_stack+0xf5/0x1f0 mm/page_owner.c:156 __set_page_owner+0x8d/0x4a0 mm/page_owner.c:329 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x240/0x2a0 mm/page_alloc.c:1850 prep_new_page mm/page_alloc.c:1858 [inline] get_page_from_freelist+0x2365/0x2440 mm/page_alloc.c:3884 __alloc_frozen_pages_noprof+0x181/0x370 mm/page_alloc.c:5183 alloc_pages_mpol+0x232/0x4a0 mm/mempolicy.c:2416 alloc_frozen_pages_noprof mm/mempolicy.c:2487 [inline] alloc_pages_noprof+0xa9/0x190 mm/mempolicy.c:2507 get_free_pages_noprof+0xf/0x80 mm/page_alloc.c:5242 __kasan_populate_vmalloc mm/kasan/shadow.c:364 [inline] kasan_populate_vmalloc+0x38/0x270 mm/kasan/shadow.c:435 alloc_vmap_area+0xd7a/0x14c0 mm/vmalloc.c:2098 __get_vm_area_node+0x1f8/0x300 mm/vmalloc.c:3193 __vmalloc_node_range_noprof+0x30c/0x12d0 mm/vmalloc.c:3857 __vmalloc_node_noprof mm/vmalloc.c:3960 [inline] vzalloc_noprof+0xb2/0xf0 mm/vmalloc.c:4034 bpf_check+0x1aa/0x1d210 kernel/bpf/verifier.c:24556 bpf_prog_load+0x13ba/0x19e0 kernel/bpf/syscall.c:3062 __sys_bpf+0x507/0x860 kernel/bpf/syscall.c:6134 __do_sys_bpf kernel/bpf/syscall.c:6244 [inline] __se_sys_bpf kernel/bpf/syscall.c:6242 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:6242 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f18ec38eec9 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f18ed1e9038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f18ec5e6180 RCX: 00007f18ec38eec9 RDX: 0000000000000094 RSI: 0000200000000500 RDI: 0000000000000005 RBP: 00007f18ec411f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f18ec5e6218 R14: 00007f18ec5e6180 R15: 00007ffc36130d48 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 1301 Comm: aoe_tx0 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 RIP: 0010:format_decode+0x8d/0xe30 lib/vsprintf.c:2671 Code: 48 c1 e8 03 0f b6 04 08 84 c0 75 28 42 0f b6 5c 35 00 48 89 df 48 c7 c6 50 e4 84 8f e8 8c f2 7b f6 85 db 74 2a 83 fb 25 74 1e fe ec 7b f6 49 ff c6 eb bb 44 89 e1 80 e1 07 38 c1 7c ce 4c 89 RSP: 0018:ffffc900041eea50 EFLAGS: 00000206 RAX: 0000000000000002 RBX: 000000000000005b RCX: 0000000000000001 RDX: ffffffff8b433744 RSI: ffffffff8f84e450 RDI: 000000000000005b RBP: ffffffff8b6b81a0 R08: ffff888027350000 R09: 0000000000000002 R10: 0000000000000025 R11: 0000000000000000 R12: ffffffff8b6b81a0 R13: ffffc900041eeaf8 R14: 0000000000000000 R15: ffffffff8b6b81a0 FS: 0000000000000000(0000) GS:ffff888125d27000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007efc617e6038 CR3: 000000006324e000 CR4: 00000000003526f0 DR0: 0000200000000300 DR1: 0000200000000300 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: vsnprintf+0x102/0xf00 lib/vsprintf.c:2869 sprintf+0xd9/0x120 lib/vsprintf.c:3089 print_time kernel/printk/printk.c:1354 [inline] info_print_prefix+0x155/0x310 kernel/printk/printk.c:1380 record_print_text+0x154/0x420 kernel/printk/printk.c:1429 printk_get_next_message+0x26d/0x7b0 kernel/printk/printk.c:2997 console_emit_next_record kernel/printk/printk.c:3065 [inline] console_flush_all+0x4ca/0xb10 kernel/printk/printk.c:3199 __console_flush_and_unlock kernel/printk/printk.c:3258 [inline] console_unlock+0xbb/0x190 kernel/printk/printk.c:3298 vprintk_emit+0x4c5/0x590 kernel/printk/printk.c:2423 dev_vprintk_emit+0x337/0x3f0 drivers/base/core.c:4914 dev_printk_emit+0xe0/0x130 drivers/base/core.c:4925 __netdev_printk+0x3d7/0x4d0 net/core/dev.c:12686 netdev_warn+0x10a/0x160 net/core/dev.c:12739 ieee802154_subif_start_xmit+0x136/0x190 net/mac802154/tx.c:232 __netdev_start_xmit include/linux/netdevice.h:5248 [inline] netdev_start_xmit include/linux/netdevice.h:5257 [inline] xmit_one net/core/dev.c:3845 [inline] dev_hard_start_xmit+0x2d4/0x830 net/core/dev.c:3861 sch_direct_xmit+0x241/0x4b0 net/sched/sch_generic.c:344 __dev_xmit_skb net/core/dev.c:4152 [inline] __dev_queue_xmit+0x1857/0x3b50 net/core/dev.c:4729 dev_queue_xmit include/linux/netdevice.h:3365 [inline] tx+0x6b/0x190 drivers/block/aoe/aoenet.c:62 kthread+0x1d0/0x3e0 drivers/block/aoe/aoecmd.c:1241 kthread+0x70e/0x8a0 kernel/kthread.c:463 ret_from_fork+0x4bc/0x870 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245