watchdog: BUG: soft lockup - CPU#0 stuck for 122s! [syz.2.13:5964] Modules linked in: irq event stamp: 13745303 hardirqs last enabled at (13745302): [] seqcount_lockdep_reader_access+0x13b/0x1e0 include/linux/seqlock.h:74 hardirqs last disabled at (13745303): [] sysvec_apic_timer_interrupt+0xe/0xc0 arch/x86/kernel/apic/apic.c:1049 softirqs last enabled at (13739800): [] __do_softirq kernel/softirq.c:595 [inline] softirqs last enabled at (13739800): [] invoke_softirq kernel/softirq.c:435 [inline] softirqs last enabled at (13739800): [] __irq_exit_rcu+0xf7/0x220 kernel/softirq.c:662 softirqs last disabled at (13739803): [] __do_softirq kernel/softirq.c:595 [inline] softirqs last disabled at (13739803): [] invoke_softirq kernel/softirq.c:435 [inline] softirqs last disabled at (13739803): [] __irq_exit_rcu+0xf7/0x220 kernel/softirq.c:662 CPU: 0 UID: 0 PID: 5964 Comm: syz.2.13 Not tainted 6.14.0-rc3-syzkaller-g6ccf6adb05d0 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 RIP: 0010:seqcount_lockdep_reader_access+0x189/0x1e0 include/linux/seqlock.h:75 Code: 42 80 3c 23 00 74 08 4c 89 ff e8 72 f7 0c 00 f6 44 24 41 02 75 50 f7 44 24 18 00 02 00 00 74 01 fb 48 c7 44 24 20 0e 36 e0 45 <4b> c7 04 34 00 00 00 00 66 43 c7 44 34 09 00 00 43 c6 44 34 0b 00 RSP: 0018:ffffc90000006580 EFLAGS: 00000206 RAX: 8ce0069fb9c63d00 RBX: 1ffff92000000cb8 RCX: ffffffff819d265a RDX: dffffc0000000000 RSI: ffffffff8c2aa440 RDI: ffffffff8c80ee80 RBP: ffffc90000006660 R08: ffffffff94547917 R09: 1ffffffff28a8f22 R10: dffffc0000000000 R11: fffffbfff28a8f23 R12: dffffc0000000000 R13: ffff88813fffbd58 R14: 1ffff92000000cb4 R15: ffffc900000065c0 FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000564342305680 CR3: 000000000e938000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000400000000300 DR3: 0000400000000300 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: read_seqbegin include/linux/seqlock.h:836 [inline] zone_span_seqbegin include/linux/memory_hotplug.h:103 [inline] page_outside_zone_boundaries mm/page_alloc.c:437 [inline] bad_range+0x5f/0x280 mm/page_alloc.c:456 rmqueue mm/page_alloc.c:3094 [inline] get_page_from_freelist+0x3640/0x37a0 mm/page_alloc.c:3474 __alloc_frozen_pages_noprof+0x292/0x710 mm/page_alloc.c:4739 alloc_pages_mpol+0x311/0x660 mm/mempolicy.c:2270 alloc_slab_page mm/slub.c:2423 [inline] allocate_slab+0x8f/0x3a0 mm/slub.c:2587 new_slab mm/slub.c:2640 [inline] ___slab_alloc+0xc27/0x14a0 mm/slub.c:3826 __slab_alloc+0x58/0xa0 mm/slub.c:3916 __slab_alloc_node mm/slub.c:3991 [inline] slab_alloc_node mm/slub.c:4152 [inline] __do_kmalloc_node mm/slub.c:4293 [inline] __kmalloc_noprof+0x2e6/0x4c0 mm/slub.c:4306 kmalloc_noprof include/linux/slab.h:905 [inline] kzalloc_noprof include/linux/slab.h:1037 [inline] ieee802_11_parse_elems_full+0xd9/0x2750 net/mac80211/parse.c:985 ieee802_11_parse_elems_crc net/mac80211/ieee80211_i.h:2397 [inline] ieee802_11_parse_elems net/mac80211/ieee80211_i.h:2404 [inline] ieee80211_inform_bss+0x15f/0x10d0 net/mac80211/scan.c:79 rdev_inform_bss net/wireless/rdev-ops.h:418 [inline] cfg80211_inform_single_bss_data+0xf63/0x1ee0 net/wireless/scan.c:2367 cfg80211_inform_bss_data+0x3c3/0x5820 net/wireless/scan.c:3222 cfg80211_inform_bss_frame_data+0x3bb/0x720 net/wireless/scan.c:3317 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:5246 [inline] ieee80211_rx_list+0x2cc0/0x38f0 net/mac80211/rx.c:5483 ieee80211_rx_napi+0x18a/0x3c0 net/mac80211/rx.c:5506 ieee80211_rx include/net/mac80211.h:5172 [inline] ieee80211_handle_queued_frames+0xe7/0x1e0 net/mac80211/main.c:441 tasklet_action_common+0x426/0x620 kernel/softirq.c:811 handle_softirqs+0x2d4/0x9b0 kernel/softirq.c:561 __do_softirq kernel/softirq.c:595 [inline] invoke_softirq kernel/softirq.c:435 [inline] __irq_exit_rcu+0xf7/0x220 kernel/softirq.c:662 irq_exit_rcu+0x9/0x30 kernel/softirq.c:678 instr_sysvec_irq_work arch/x86/kernel/irq_work.c:17 [inline] sysvec_irq_work+0xa3/0xc0 arch/x86/kernel/irq_work.c:17 asm_sysvec_irq_work+0x1a/0x20 arch/x86/include/asm/idtentry.h:738 RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0xd8/0x140 kernel/locking/spinlock.c:194 Code: 9c 8f 44 24 20 42 80 3c 23 00 74 08 4c 89 f7 e8 9e df 1d f6 f6 44 24 21 02 75 52 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 e3 4c 84 f5 65 8b 05 84 c1 f8 73 85 c0 74 43 48 c7 04 24 0e 36 RSP: 0018:ffffc900045eef40 EFLAGS: 00000206 RAX: 8ce0069fb9c63d00 RBX: 1ffff920008bddec RCX: ffffffff819d265a RDX: dffffc0000000000 RSI: ffffffff8c2aa440 RDI: 0000000000000001 RBP: ffffc900045eefd0 R08: ffffffff94547877 R09: 1ffffffff28a8f0e R10: dffffc0000000000 R11: fffffbfff28a8f0f R12: dffffc0000000000 R13: 1ffff920008bdde8 R14: ffffc900045eef60 R15: 0000000000000246 rcu_preempt_deferred_qs_irqrestore+0x8c4/0xca0 rcu_read_unlock_special+0x497/0x570 kernel/rcu/tree_plugin.h:693 __rcu_read_unlock+0xa1/0x110 kernel/rcu/tree_plugin.h:438 rcu_read_unlock include/linux/rcupdate.h:882 [inline] pte_unmap include/linux/pgtable.h:136 [inline] zap_pte_range mm/memory.c:1772 [inline] zap_pmd_range mm/memory.c:1834 [inline] zap_pud_range mm/memory.c:1863 [inline] zap_p4d_range mm/memory.c:1884 [inline] unmap_page_range+0x3ab3/0x4510 mm/memory.c:1905 unmap_vmas+0x3cc/0x5f0 mm/memory.c:1995 exit_mmap+0x283/0xd40 mm/mmap.c:1284 __mmput+0x115/0x420 kernel/fork.c:1356 exit_mm+0x220/0x310 kernel/exit.c:570 do_exit+0x9ad/0x28e0 kernel/exit.c:925 do_group_exit+0x207/0x2c0 kernel/exit.c:1087 get_signal+0x168c/0x1720 kernel/signal.c:3036 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:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0xce/0x340 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f02cd58d169 Code: Unable to access opcode bytes at 0x7f02cd58d13f. RSP: 002b:00007f02ce43c038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: 0000000000000013 RBX: 00007f02cd7a5fa0 RCX: 00007f02cd58d169 RDX: 0000000000000048 RSI: 0000400000000400 RDI: 0000000000000000 RBP: 00007f02cd60e2a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f02cd7a5fa0 R15: 00007ffd70d35918 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 5849 Comm: kworker/u9:5 Not tainted 6.14.0-rc3-syzkaller-g6ccf6adb05d0 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 Workqueue: hci8 hci_rx_work RIP: 0010:kasan_check_range+0xc/0x290 mm/kasan/generic.c:188 Code: 0f 0b 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 55 41 57 41 56 41 54 53 01 48 85 f6 0f 84 a0 01 00 00 4c 8d 04 37 49 39 f8 0f 82 56 02 RSP: 0018:ffffc900040cf040 EFLAGS: 00000046 RAX: 0000000000000000 RBX: 000000000000000d RCX: ffffffff819cb967 RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff94547840 RBP: 0000000000000000 R08: ffffffff94547847 R09: 1ffffffff28a8f08 R10: dffffc0000000000 R11: fffffbfff28a8f09 R12: ffff88804359a8d4 R13: 0000000000000014 R14: 1ffff110086b3536 R15: ffff88804359a9b0 FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffe29aec528 CR3: 00000000345ba000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000400000000300 DR3: 0000400000000300 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: instrument_atomic_read include/linux/instrumented.h:68 [inline] _test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline] hlock_class kernel/locking/lockdep.c:230 [inline] check_wait_context kernel/locking/lockdep.c:4853 [inline] __lock_acquire+0x5b7/0x2100 kernel/locking/lockdep.c:5178 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5851 console_lock_spinning_enable kernel/printk/printk.c:1924 [inline] console_emit_next_record kernel/printk/printk.c:3116 [inline] console_flush_all+0x7f8/0xeb0 kernel/printk/printk.c:3210 __console_flush_and_unlock kernel/printk/printk.c:3269 [inline] console_unlock+0x14f/0x3b0 kernel/printk/printk.c:3309 vprintk_emit+0x730/0xa10 kernel/printk/printk.c:2432 _printk+0xd5/0x120 kernel/printk/printk.c:2457 bt_warn+0x127/0x180 net/bluetooth/lib.c:276 hci_cc_func net/bluetooth/hci_event.c:4184 [inline] hci_cmd_complete_evt+0x3ef/0x8b0 net/bluetooth/hci_event.c:4208 hci_event_func net/bluetooth/hci_event.c:7470 [inline] hci_event_packet+0xa54/0x1540 net/bluetooth/hci_event.c:7525 hci_rx_work+0x3f3/0xdb0 net/bluetooth/hci_core.c:4015 process_one_work kernel/workqueue.c:3236 [inline] process_scheduled_works+0xabe/0x18e0 kernel/workqueue.c:3317 worker_thread+0x870/0xd30 kernel/workqueue.c:3398 kthread+0x7a9/0x920 kernel/kthread.c:464 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244