watchdog: BUG: soft lockup - CPU#1 stuck for 143s! [syz.2.21:5982] Modules linked in: irq event stamp: 11003457 hardirqs last enabled at (11003456): [] irqentry_exit+0x63/0x90 kernel/entry/common.c:357 hardirqs last disabled at (11003457): [] sysvec_apic_timer_interrupt+0xe/0xc0 arch/x86/kernel/apic/apic.c:1049 softirqs last enabled at (97046): [] __do_softirq kernel/softirq.c:588 [inline] softirqs last enabled at (97046): [] invoke_softirq kernel/softirq.c:428 [inline] softirqs last enabled at (97046): [] __irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637 softirqs last disabled at (97049): [] __do_softirq kernel/softirq.c:588 [inline] softirqs last disabled at (97049): [] invoke_softirq kernel/softirq.c:428 [inline] softirqs last disabled at (97049): [] __irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637 CPU: 1 UID: 0 PID: 5982 Comm: syz.2.21 Not tainted 6.12.0-rc4-syzkaller-ge626a13f6fbb #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:ieee80211_inform_bss+0x1d6/0x1080 Code: 00 48 89 5c 24 28 44 0f b6 33 41 0f b6 f6 31 ff e8 df e5 62 f6 4c 89 7c 24 40 49 8d 5f 10 48 89 d8 48 c1 e8 03 42 0f b6 04 28 <84> c0 0f 85 88 0a 00 00 44 8b 3b 45 84 f6 74 44 49 8d 5c 24 58 e8 RSP: 0018:ffffc90000a17f00 EFLAGS: 00000a02 RAX: 0000000000000000 RBX: ffff888058286178 RCX: ffff888032709e00 RDX: ffff888032709e00 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc90000a18030 R08: ffffffff8b31f4e1 R09: 00000000000000f2 R10: ffffc90000a17dd0 R11: fffff52000142fc2 R12: ffff888012089070 R13: dffffc0000000000 R14: 0000000000000001 R15: ffff888058286168 FS: 00007f7c7380d6c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffcf0935e80 CR3: 0000000029388000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rdev_inform_bss net/wireless/rdev-ops.h:418 [inline] cfg80211_inform_single_bss_data+0xec1/0x2090 net/wireless/scan.c:2333 cfg80211_inform_bss_data+0x3ce/0x5e70 net/wireless/scan.c:3184 cfg80211_inform_bss_frame_data+0x3b8/0x720 net/wireless/scan.c:3279 ieee80211_bss_info_update+0x8a7/0xbc0 net/mac80211/scan.c:226 ieee80211_scan_rx+0x526/0x9c0 net/mac80211/scan.c:340 __ieee80211_rx_handle_packet net/mac80211/rx.c:5225 [inline] ieee80211_rx_list+0x2b02/0x3780 net/mac80211/rx.c:5462 ieee80211_rx_napi+0x18a/0x3c0 net/mac80211/rx.c:5485 ieee80211_rx include/net/mac80211.h:5138 [inline] ieee80211_handle_queued_frames+0xe7/0x1e0 net/mac80211/main.c:439 tasklet_action_common+0x321/0x4d0 kernel/softirq.c:784 handle_softirqs+0x2c5/0x980 kernel/softirq.c:554 __do_softirq kernel/softirq.c:588 [inline] invoke_softirq kernel/softirq.c:428 [inline] __irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637 irq_exit_rcu+0x9/0x30 kernel/softirq.c:649 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1049 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:preempt_schedule_irq+0xf6/0x1c0 kernel/sched/core.c:7012 Code: 89 f5 49 c1 ed 03 eb 0d 48 f7 03 08 00 00 00 0f 84 8b 00 00 00 bf 01 00 00 00 e8 65 11 94 f5 e8 b0 83 cd f5 fb bf 01 00 00 00 e5 ab ff ff 43 80 7c 3d 00 00 74 08 4c 89 f7 e8 c5 91 2f f6 48 RSP: 0018:ffffc900042c7b00 EFLAGS: 00000286 RAX: b20726cd49bf5a00 RBX: 1ffff92000858f68 RCX: ffffffff9a3d1903 RDX: dffffc0000000000 RSI: ffffffff8c0acb40 RDI: 0000000000000001 RBP: ffffc900042c7bc0 R08: ffffffff901cffef R09: 1ffffffff2039ffd R10: dffffc0000000000 R11: fffffbfff2039ffe R12: 1ffff92000858f60 R13: 1ffff92000858f64 R14: ffffc900042c7b20 R15: dffffc0000000000 irqentry_exit+0x5e/0x90 kernel/entry/common.c:354 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:get_signal+0x238/0x1740 Code: 00 48 8d 88 48 09 00 00 48 89 4c 24 28 48 8d 88 20 09 00 00 48 89 4c 24 60 48 83 c0 30 48 89 44 24 68 48 89 d0 48 89 54 24 08 <49> 89 d6 49 c1 ee 03 4c 89 6c 24 50 48 89 5c 24 30 4c 89 74 24 40 RSP: 0018:ffffc900042c7c80 EFLAGS: 00000286 RAX: ffff888025714eac RBX: ffff888025714ea0 RCX: ffff88803270a720 RDX: ffff888025714eac RSI: 000000000003ffff RDI: 0000000000040000 RBP: ffffc900042c7db0 R08: ffffffff815a3ef8 R09: 1ffff110064e13c0 R10: dffffc0000000000 R11: ffffed10064e13c1 R12: ffff888025714e00 R13: ffff88803270a738 R14: 1ffff92000858fbc R15: ffff888032709e00 arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:337 exit_to_user_mode_loop kernel/entry/common.c:111 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0xc9/0x370 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f7c728403c0 Code: 10 83 e0 01 83 e2 01 88 15 2a 53 e2 00 88 05 27 53 e2 00 c3 50 48 8d 35 76 0f 1b 00 48 8d 3d 7c 0f 1b 00 31 c0 e8 a0 f9 ff ff <53> 89 fb 48 83 ec 10 64 8b 04 25 94 ff ff ff 85 c0 74 2a 89 fe 31 RSP: 002b:00007f7c7380c238 EFLAGS: 00000283 RAX: 0000000000000000 RBX: 00007f7c7380cd30 RCX: 00007f7c72afd160 RDX: 00007f7c7380c240 RSI: 00007f7c7380c370 RDI: 000000000000000b RBP: 000000000000000b R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000000 R12: 0000000000000073 R13: 00007f7c7380ceb0 R14: 9999999999999999 R15: 0000000000000000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 16 Comm: ksoftirqd/0 Not tainted 6.12.0-rc4-syzkaller-ge626a13f6fbb #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:rcu_is_watching_curr_cpu include/linux/context_tracking.h:128 [inline] RIP: 0010:rcu_is_watching+0x31/0xb0 kernel/rcu/tree.c:737 Code: 56 53 65 ff 05 48 12 89 7e e8 1b 4f 4c 0a 89 c3 83 f8 08 73 7a 49 bf 00 00 00 00 00 fc ff df 4c 8d 34 dd 50 fa 31 8e 4c 89 f0 <48> c1 e8 03 42 80 3c 38 00 74 08 4c 89 f7 e8 ec e5 83 00 48 c7 c3 RSP: 0018:ffffc90000157c60 EFLAGS: 00000293 RAX: ffffffff8e31fa50 RBX: 0000000000000000 RCX: ffffffff81578385 RDX: 0000000000000000 RSI: ffffffff8c610840 RDI: ffffffff8c610800 RBP: ffffc90000157d90 R08: ffffffff901cffef R09: 1ffffffff2039ffd R10: dffffc0000000000 R11: fffffbfff2039ffe R12: 0000000000000040 R13: 0000000000000006 R14: ffffffff8e31fa50 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f8b98e8e866 CR3: 000000007f1e0000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: trace_softirq_entry include/trace/events/irq.h:128 [inline] handle_softirqs+0x284/0x980 kernel/softirq.c:553 run_ksoftirqd+0xca/0x130 kernel/softirq.c:927 smpboot_thread_fn+0x544/0xa30 kernel/smpboot.c:164 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244