watchdog: BUG: soft lockup - CPU#1 stuck for 143s! [syz.6.265:6931] Modules linked in: irq event stamp: 0 hardirqs last enabled at (0): [<0000000000000000>] 0x0 hardirqs last disabled at (0): [] rcu_lock_acquire include/linux/rcupdate.h:337 [inline] hardirqs last disabled at (0): [] rcu_read_lock include/linux/rcupdate.h:849 [inline] hardirqs last disabled at (0): [] copy_process+0x9fa/0x3d50 kernel/fork.c:2264 softirqs last enabled at (0): [] rcu_lock_acquire include/linux/rcupdate.h:337 [inline] softirqs last enabled at (0): [] rcu_read_lock include/linux/rcupdate.h:849 [inline] softirqs last enabled at (0): [] copy_process+0x9fa/0x3d50 kernel/fork.c:2264 softirqs last disabled at (0): [<0000000000000000>] 0x0 CPU: 1 UID: 0 PID: 6931 Comm: syz.6.265 Not tainted 6.13.0-rc3-syzkaller-ge84a3bf7f4aa #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:430 [inline] RIP: 0010:__pv_queued_spin_lock_slowpath+0x781/0xdb0 kernel/locking/qspinlock.c:508 Code: ff 42 0f b6 04 2b 84 c0 75 6c 66 c7 84 24 b0 00 00 00 00 01 48 8b 44 24 40 42 0f b6 04 28 84 c0 75 77 41 80 3e 00 74 0c f3 90 <41> ff c4 75 d2 e9 a0 00 00 00 4c 89 f7 be 02 00 00 00 e8 a8 54 3a RSP: 0018:ffffc90000a186e0 EFLAGS: 00000202 RAX: 0000000000000000 RBX: 1ffff920001430f2 RCX: ffffc90000a18701 RDX: 0000000000000001 RSI: 0000000000000002 RDI: ffffffff8f524762 RBP: ffffc90000a18818 R08: ffffffff8f524763 R09: 1ffffffff1ea48ec R10: dffffc0000000000 R11: fffffbfff1ea48ed R12: 00000000ffff81bf R13: dffffc0000000000 R14: ffffffff8f524760 R15: ffffc90000a187a0 FS: 00007f7465c096c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f5a39b8a8e5 CR3: 0000000033a14000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:584 [inline] queued_spin_lock_slowpath+0x42/0x50 arch/x86/include/asm/qspinlock.h:51 queued_spin_lock include/asm-generic/qspinlock.h:114 [inline] do_raw_spin_lock+0x272/0x370 kernel/locking/spinlock_debug.c:116 spin_lock include/linux/spinlock.h:351 [inline] mac80211_hwsim_tx_frame_no_nl+0x982/0x18d0 drivers/net/wireless/virtual/mac80211_hwsim.c:1817 mac80211_hwsim_tx_frame+0x1cc/0x220 drivers/net/wireless/virtual/mac80211_hwsim.c:2215 mac80211_hwsim_beacon_tx+0x3bf/0x850 drivers/net/wireless/virtual/mac80211_hwsim.c:2315 __iterate_interfaces+0x297/0x570 net/mac80211/util.c:758 ieee80211_iterate_active_interfaces_atomic+0xd8/0x170 net/mac80211/util.c:794 mac80211_hwsim_beacon+0xd4/0x1f0 drivers/net/wireless/virtual/mac80211_hwsim.c:2345 __run_hrtimer kernel/time/hrtimer.c:1739 [inline] __hrtimer_run_queues+0x59b/0xd30 kernel/time/hrtimer.c:1803 hrtimer_run_softirq+0x19a/0x2c0 kernel/time/hrtimer.c:1820 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:finish_task_switch+0x1ea/0x870 kernel/sched/core.c:5243 Code: c9 50 e8 59 0c 0c 00 48 83 c4 08 4c 89 f7 e8 ed 39 00 00 0f 1f 44 00 00 4c 89 f7 e8 50 b8 5c 0a e8 fb 8b 38 00 fb 48 8b 5d c0 <48> 8d bb f8 15 00 00 48 89 f8 48 c1 e8 03 49 be 00 00 00 00 00 fc RSP: 0018:ffffc90002f26148 EFLAGS: 00000286 RAX: 125cb0fb24ac9a00 RBX: ffff88802f9cda00 RCX: ffffffff81a72cfc RDX: dffffc0000000000 RSI: ffffffff8c5fae80 RDI: ffffffff816ea205 RBP: ffffc90002f26190 R08: ffffffff90197d77 R09: 1ffffffff2032fae R10: dffffc0000000000 R11: fffffbfff2032faf R12: 1ffff110170e7edc R13: dffffc0000000000 R14: ffff8880b873e8c0 R15: ffff8880b873f6e0 context_switch kernel/sched/core.c:5372 [inline] __schedule+0x1858/0x4c30 kernel/sched/core.c:6756 preempt_schedule_irq+0xfb/0x1c0 kernel/sched/core.c:7078 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:unwind_next_frame+0x0/0x22d0 arch/x86/kernel/unwind_orc.c:469 Code: cc cc 44 89 f1 80 e1 07 80 c1 03 38 c1 7c 91 4c 89 f7 e8 33 2c ba 00 eb 87 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa 55 41 57 41 56 41 55 41 54 53 48 81 ec 98 00 00 00 49 RSP: 0018:ffffc90002f26538 EFLAGS: 00000283 RAX: ffffc90002f26630 RBX: ffffc90002f265d8 RCX: 0000000000000001 RDX: dffffc0000000000 RSI: ffffc90002f28000 RDI: ffffc90002f265a0 RBP: 1ffff920005e4cb5 R08: ffffc90002f26501 R09: 0000000000000000 R10: ffffc90002f265a0 R11: fffff520005e4cc0 R12: 1ffff920005e4cb6 R13: ffffc90002f265b0 R14: ffffc90002f265a0 R15: ffffc90002f265a8 __unwind_start+0x59a/0x740 arch/x86/kernel/unwind_orc.c:760 unwind_start arch/x86/include/asm/unwind.h:64 [inline] arch_stack_walk+0xe5/0x150 arch/x86/kernel/stacktrace.c:24 stack_trace_save+0x118/0x1d0 kernel/stacktrace.c:122 kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x3f/0x80 mm/kasan/common.c:68 poison_kmalloc_redzone mm/kasan/common.c:377 [inline] __kasan_krealloc+0xf1/0x140 mm/kasan/common.c:464 kasan_krealloc include/linux/kasan.h:280 [inline] __do_krealloc mm/slub.c:4820 [inline] krealloc_noprof+0x18f/0x2f0 mm/slub.c:4877 realloc_array kernel/bpf/verifier.c:1252 [inline] grow_stack_state kernel/bpf/verifier.c:1316 [inline] check_stack_access_within_bounds+0x5be/0x980 kernel/bpf/verifier.c:7071 check_mem_access+0x907/0x2140 kernel/bpf/verifier.c:7244 do_check+0x7435/0xfcd0 kernel/bpf/verifier.c:18724 do_check_common+0x1564/0x2010 kernel/bpf/verifier.c:21848 do_check_main kernel/bpf/verifier.c:21939 [inline] bpf_check+0x804e/0x1fc90 kernel/bpf/verifier.c:22665 bpf_prog_load+0x1667/0x20f0 kernel/bpf/syscall.c:2947 __sys_bpf+0x4ee/0x810 kernel/bpf/syscall.c:5790 __do_sys_bpf kernel/bpf/syscall.c:5897 [inline] __se_sys_bpf kernel/bpf/syscall.c:5895 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5895 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f7464d85d29 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:00007f7465c09038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f7464f75fa0 RCX: 00007f7464d85d29 RDX: 0000000000000048 RSI: 0000000020000200 RDI: 0000000000000005 RBP: 00007f7464e01aa8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f7464f75fa0 R15: 00007ffeb70204e8 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 6943 Comm: syz.9.268 Not tainted 6.13.0-rc3-syzkaller-ge84a3bf7f4aa #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:arch_static_branch arch/x86/include/asm/jump_label.h:36 [inline] RIP: 0010:native_write_msr arch/x86/include/asm/msr.h:149 [inline] RIP: 0010:wrmsr arch/x86/include/asm/msr.h:256 [inline] RIP: 0010:native_apic_msr_write+0x39/0x50 arch/x86/include/asm/apic.h:212 Code: 74 2a 83 ff 30 74 25 eb 10 81 ff d0 00 00 00 74 1b 81 ff e0 00 00 00 74 13 c1 ef 04 81 c7 00 08 00 00 89 f9 89 f0 31 d2 0f 30 <66> 90 c3 cc cc cc cc f3 0f 1e fa 89 f6 31 d2 e9 c3 2b b1 03 0f 1f RSP: 0018:ffffc90000007488 EFLAGS: 00000046 RAX: 000000000000009f RBX: 0000000000000020 RCX: 0000000000000838 RDX: 0000000000000000 RSI: 000000000000009f RDI: 0000000000000838 RBP: 000000000000009f R08: ffffffff819017f9 R09: 1ffffffff2032fae R10: dffffc0000000000 R11: ffffffff81490500 R12: 00000000000009fb R13: dffffc0000000000 R14: 0000000010005fa1 R15: ffff8880b8628340 FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffed10bbb58 CR3: 0000000065ed6000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: apic_write arch/x86/include/asm/apic.h:405 [inline] lapic_next_event+0x11/0x20 arch/x86/kernel/apic/apic.c:415 clockevents_program_event+0x1c1/0x350 kernel/time/clockevents.c:334 hrtimer_interrupt+0x5b7/0xa40 kernel/time/hrtimer.c:1878 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1038 [inline] __sysvec_apic_timer_interrupt+0x110/0x420 arch/x86/kernel/apic/apic.c:1055 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline] sysvec_apic_timer_interrupt+0x52/0xc0 arch/x86/kernel/apic/apic.c:1049 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:pv_wait_node kernel/locking/qspinlock_paravirt.h:298 [inline] RIP: 0010:__pv_queued_spin_lock_slowpath+0x427/0xdb0 kernel/locking/qspinlock.c:473 Code: 49 c1 ef 03 48 8b 54 24 10 48 8b 74 24 20 42 0f b6 04 2e 84 c0 0f 85 c8 00 00 00 83 3a 00 0f 85 53 01 00 00 84 db 74 08 f3 90 cb 75 e0 eb 17 43 0f b6 04 2c 84 c0 0f 85 11 01 00 00 48 8b 44 RSP: 0018:ffffc900000076e0 EFLAGS: 00000206 RAX: 0000000000000000 RBX: 0000000000003e48 RCX: 0000000000000000 RDX: ffff8880b863f808 RSI: 1ffff110170c7f01 RDI: ffff8880b863f814 RBP: ffffc90000007818 R08: ffff8880b863f814 R09: 1ffff110170c7f02 R10: dffffc0000000000 R11: ffffed10170c7f03 R12: 1ffff110170e7f02 R13: dffffc0000000000 R14: ffffffff8f524760 R15: 1ffffffff1cf47f7 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:584 [inline] queued_spin_lock_slowpath+0x42/0x50 arch/x86/include/asm/qspinlock.h:51 queued_spin_lock include/asm-generic/qspinlock.h:114 [inline] do_raw_spin_lock+0x272/0x370 kernel/locking/spinlock_debug.c:116 spin_lock include/linux/spinlock.h:351 [inline] mac80211_hwsim_tx_frame_no_nl+0x982/0x18d0 drivers/net/wireless/virtual/mac80211_hwsim.c:1817 mac80211_hwsim_tx_frame+0x1cc/0x220 drivers/net/wireless/virtual/mac80211_hwsim.c:2215 mac80211_hwsim_beacon_tx+0x3bf/0x850 drivers/net/wireless/virtual/mac80211_hwsim.c:2315 __iterate_interfaces+0x297/0x570 net/mac80211/util.c:758 ieee80211_iterate_active_interfaces_atomic+0xd8/0x170 net/mac80211/util.c:794 mac80211_hwsim_beacon+0xd4/0x1f0 drivers/net/wireless/virtual/mac80211_hwsim.c:2345 __run_hrtimer kernel/time/hrtimer.c:1739 [inline] __hrtimer_run_queues+0x59b/0xd30 kernel/time/hrtimer.c:1803 hrtimer_run_softirq+0x19a/0x2c0 kernel/time/hrtimer.c:1820 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_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:__pte_offset_map+0x11c/0x380 Code: ca 49 ad ff eb 24 e8 c3 49 ad ff c6 05 48 64 11 0e 01 48 c7 c7 40 8c 15 8c be 53 03 00 00 48 c7 c2 80 8c 15 8c e8 64 eb 88 ff <48> 8d 5c 24 40 4c 89 e8 48 c1 e8 03 42 80 3c 30 00 74 08 4c 89 ef RSP: 0018:ffffc90005567120 EFLAGS: 00000293 RAX: ffffffff81f229fb RBX: 0000000000000000 RCX: ffff888025e61e00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc900055671d0 R08: ffffffff81f229e2 R09: 1ffffffff2032fae R10: dffffc0000000000 R11: fffffbfff2032faf R12: 1ffff92000aace28 R13: ffff888033b87428 R14: dffffc0000000000 R15: ffffc90005567260 __pte_offset_map_lock+0xc7/0x300 mm/pgtable-generic.c:398 pte_offset_map_lock include/linux/mm.h:3026 [inline] zap_pte_range mm/memory.c:1606 [inline] zap_pmd_range mm/memory.c:1753 [inline] zap_pud_range mm/memory.c:1782 [inline] zap_p4d_range mm/memory.c:1803 [inline] unmap_page_range+0x993/0x4040 mm/memory.c:1824 unmap_vmas+0x3cc/0x5f0 mm/memory.c:1914 exit_mmap+0x275/0xc20 mm/mmap.c:1668 __mmput+0x115/0x3c0 kernel/fork.c:1353 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+0x16b2/0x1750 kernel/signal.c:3017 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: 0033:0x7fcb11d85d29 Code: Unable to access opcode bytes at 0x7fcb11d85cff. RSP: 002b:00007fcb12b1c038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: fffffffffffffff2 RBX: 00007fcb11f75fa0 RCX: 00007fcb11d85d29 RDX: 0000000000000094 RSI: 0000000020000880 RDI: 0000000000000005 RBP: 00007fcb11e01aa8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fcb11f75fa0 R15: 00007ffcb56737b8