watchdog: BUG: soft lockup - CPU#0 stuck for 121s! [syz-executor.2:21405] Modules linked in: irq event stamp: 0 hardirqs last enabled at (0): [<0000000000000000>] 0x0 hardirqs last disabled at (0): [] copy_process+0x1e1b/0x74c0 kernel/fork.c:2061 softirqs last enabled at (0): [] copy_process+0x1e5c/0x74c0 kernel/fork.c:2065 softirqs last disabled at (0): [<0000000000000000>] 0x0 CPU: 0 PID: 21405 Comm: syz-executor.2 Tainted: G W 5.13.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:mac80211_hwsim_tx_frame+0x20/0x2a0 drivers/net/wireless/mac80211_hwsim.c:1767 Code: fc e9 8f f7 ff ff 0f 1f 40 00 41 57 41 56 41 55 49 89 d5 41 54 49 89 f4 55 48 89 fd 53 4c 8d 7d 50 48 83 ec 08 e8 f0 d5 47 fc <4c> 89 fa 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f RSP: 0018:ffffc90000007cf8 EFLAGS: 00000246 RAX: 0000000000000000 RBX: ffff88802cde8d20 RCX: 0000000000000100 RDX: ffff8880311c3880 RSI: ffffffff852dac00 RDI: ffff88802cde8d20 RBP: ffff88802cde8d20 R08: 0000000000000000 R09: 0000000000000080 R10: ffffffff852db2da R11: 000000000000001c R12: ffff8880851a1640 R13: ffff88802cdeb490 R14: ffff888015995858 R15: ffff88802cde8d70 FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000180 CR3: 0000000056edf000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: mac80211_hwsim_beacon_tx+0x4b7/0x920 drivers/net/wireless/mac80211_hwsim.c:1838 __iterate_interfaces+0x1e5/0x520 net/mac80211/util.c:793 ieee80211_iterate_active_interfaces_atomic+0x8d/0x170 net/mac80211/util.c:829 mac80211_hwsim_beacon+0xd5/0x1a0 drivers/net/wireless/mac80211_hwsim.c:1861 __run_hrtimer kernel/time/hrtimer.c:1537 [inline] __hrtimer_run_queues+0x609/0xe40 kernel/time/hrtimer.c:1601 hrtimer_run_softirq+0x17b/0x360 kernel/time/hrtimer.c:1618 __do_softirq+0x29b/0x9bd kernel/softirq.c:558 invoke_softirq kernel/softirq.c:432 [inline] __irq_exit_rcu+0x16e/0x1c0 kernel/softirq.c:636 irq_exit_rcu+0x5/0x20 kernel/softirq.c:648 sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1100 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:page_remove_file_rmap mm/rmap.c:1277 [inline] RIP: 0010:page_remove_rmap+0x6d8/0x1480 mm/rmap.c:1348 Code: c1 ea 03 80 3c 02 00 0f 85 f3 0b 00 00 48 8b 5d 08 31 ff 83 e3 01 89 de e8 75 9d c6 ff 85 db 0f 84 0f fa ff ff e9 77 fb ff ff 23 96 c6 ff 48 8d 7d 30 be 04 00 00 00 e8 05 43 0c 00 f0 83 45 RSP: 0018:ffffc90002607750 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff8880311c3880 RDI: 0000000000000003 RBP: ffffea00016968c0 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff81aeeb6b R11: 0000000000000000 R12: ffffea00016968c8 R13: 0000000000000000 R14: 0000000000000000 R15: 00007f4f1ac51000 zap_pte_range mm/memory.c:1269 [inline] zap_pmd_range mm/memory.c:1384 [inline] zap_pud_range mm/memory.c:1413 [inline] zap_p4d_range mm/memory.c:1434 [inline] unmap_page_range+0xeab/0x2890 mm/memory.c:1455 unmap_single_vma+0x198/0x300 mm/memory.c:1500 unmap_vmas+0x16d/0x2f0 mm/memory.c:1532 exit_mmap+0x1d0/0x620 mm/mmap.c:3202 __mmput+0x122/0x470 kernel/fork.c:1101 mmput+0x58/0x60 kernel/fork.c:1122 exit_mm kernel/exit.c:501 [inline] do_exit+0xae2/0x2a50 kernel/exit.c:812 do_group_exit+0x125/0x310 kernel/exit.c:922 get_signal+0x47f/0x2150 kernel/signal.c:2796 arch_do_signal_or_restart+0x2a9/0x1eb0 arch/x86/kernel/signal.c:789 handle_signal_work kernel/entry/common.c:148 [inline] exit_to_user_mode_loop kernel/entry/common.c:172 [inline] exit_to_user_mode_prepare+0x17d/0x290 kernel/entry/common.c:209 __syscall_exit_to_user_mode_work kernel/entry/common.c:291 [inline] syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:302 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x4665d9 Code: Unable to access opcode bytes at RIP 0x4665af. RSP: 002b:00007f4f1a14f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: fffffffffffffff5 RBX: 000000000056bf80 RCX: 00000000004665d9 RDX: 0000000000000070 RSI: 0000000020000180 RDI: 0000000000000005 RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80 R13: 00007ffd56fc249f R14: 00007f4f1a14f300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 21402 Comm: syz-executor.4 Tainted: G W 5.13.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:native_apic_mem_write+0x8/0x10 arch/x86/include/asm/apic.h:110 Code: c7 00 18 ea 8e e8 78 9b 88 00 eb b0 66 0f 1f 44 00 00 be 01 00 00 00 e9 06 f6 2c 00 cc cc cc cc cc cc 89 ff 89 b7 00 c0 5f ff 0f 1f 80 00 00 00 00 48 b8 00 00 00 00 00 fc ff df 53 89 fb 48 RSP: 0018:ffffc90000dc0990 EFLAGS: 00000046 RAX: dffffc0000000000 RBX: ffffffff8b3008c0 RCX: 0000000000000020 RDX: 1ffffffff166011a RSI: 000000000000009f RDI: 0000000000000380 RBP: ffff8880b9d1f2c0 R08: 000000000000003f R09: ffffffff8d6b0ad7 R10: ffffffff816871d7 R11: 0000000000000000 R12: 000000000000009f R13: 0000000000000020 R14: ffff8880b9d42380 R15: 7fffffffffffffff FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000004 CR3: 0000000075476000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: apic_write arch/x86/include/asm/apic.h:394 [inline] lapic_next_event+0x4d/0x80 arch/x86/kernel/apic/apic.c:472 clockevents_program_event+0x254/0x370 kernel/time/clockevents.c:334 tick_program_event+0xac/0x140 kernel/time/tick-oneshot.c:44 hrtimer_interrupt+0x414/0xa00 kernel/time/hrtimer.c:1676 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline] __sysvec_apic_timer_interrupt+0x146/0x530 arch/x86/kernel/apic/apic.c:1106 sysvec_apic_timer_interrupt+0x40/0xc0 arch/x86/kernel/apic/apic.c:1100 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:mac80211_hwsim_tx_frame_no_nl.isra.0+0x78f/0x1330 drivers/net/wireless/mac80211_hwsim.c:1527 Code: bb ac 3c 00 00 48 89 f8 48 89 fa 48 c1 e8 03 83 e2 07 0f b6 04 28 38 d0 7f 08 84 c0 0f 85 36 09 00 00 44 0f b6 bb ac 3c 00 00 <31> ff 44 89 fe e8 b7 34 48 fc 45 84 ff 0f 84 77 ff ff ff e8 69 2e RSP: 0018:ffffc90000dc0ba0 EFLAGS: 00000246 RAX: 0000000000000000 RBX: ffff88802a04b260 RCX: 0000000000000100 RDX: 0000000000000004 RSI: ffffffff852d5343 RDI: ffff88802a04ef0c RBP: dffffc0000000000 R08: 0000000000000003 R09: 0000000000000000 R10: ffffffff852d5379 R11: 0000000000000000 R12: ffff888025da3640 R13: ffff888064ca3490 R14: ffff888064ca3260 R15: 0000000000000000 mac80211_hwsim_tx_frame+0x1ee/0x2a0 drivers/net/wireless/mac80211_hwsim.c:1784 mac80211_hwsim_beacon_tx+0x4b7/0x920 drivers/net/wireless/mac80211_hwsim.c:1838 __iterate_interfaces+0x1e5/0x520 net/mac80211/util.c:793 ieee80211_iterate_active_interfaces_atomic+0x8d/0x170 net/mac80211/util.c:829 mac80211_hwsim_beacon+0xd5/0x1a0 drivers/net/wireless/mac80211_hwsim.c:1861 __run_hrtimer kernel/time/hrtimer.c:1537 [inline] __hrtimer_run_queues+0x609/0xe40 kernel/time/hrtimer.c:1601 hrtimer_run_softirq+0x17b/0x360 kernel/time/hrtimer.c:1618 __do_softirq+0x29b/0x9bd kernel/softirq.c:558 invoke_softirq kernel/softirq.c:432 [inline] __irq_exit_rcu+0x16e/0x1c0 kernel/softirq.c:636 irq_exit_rcu+0x5/0x20 kernel/softirq.c:648 sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1100 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:__orc_find+0x8b/0xf0 arch/x86/kernel/unwind_orc.c:56 Code: 85 00 48 89 d8 48 c1 e8 03 42 0f b6 14 38 48 89 d8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 48 48 63 03 48 01 d8 48 39 c1 73 b0 <4c> 8d 63 fc 49 39 ec 73 b3 4d 29 ee 49 c1 fe 02 4b 8d 04 76 48 8d RSP: 0018:ffffc9000253f0c0 EFLAGS: 00000293 RAX: ffffffff8143ab99 RBX: ffffffff8d781144 RCX: ffffffff8143ab97 RDX: 0000000000000000 RSI: ffffffff8de50346 RDI: ffffffff8d781124 RBP: ffffffff8d78113c R08: 0000000000000000 R09: ffffffff8de50346 R10: fffff520004a7e47 R11: 0000000000086087 R12: ffffffff8d78114c R13: ffffffff8d781124 R14: ffffffff8d781138 R15: dffffc0000000000 orc_find arch/x86/kernel/unwind_orc.c:173 [inline] unwind_next_frame+0x32a/0x1ce0 arch/x86/kernel/unwind_orc.c:443 arch_stack_walk+0x7d/0xe0 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x8c/0xc0 kernel/stacktrace.c:121 save_stack+0x151/0x1e0 mm/page_owner.c:119 __set_page_owner+0x50/0x290 mm/page_owner.c:181 prep_new_page mm/page_alloc.c:2445 [inline] get_page_from_freelist+0xa72/0x2f80 mm/page_alloc.c:4178 __alloc_pages+0x1b2/0x500 mm/page_alloc.c:5386 alloc_pages+0x18c/0x2a0 mm/mempolicy.c:2272 __get_free_pages+0x8/0x40 mm/page_alloc.c:5423 tlb_next_batch mm/mmu_gather.c:29 [inline] __tlb_remove_page_size+0x253/0x420 mm/mmu_gather.c:83 __tlb_remove_page include/asm-generic/tlb.h:440 [inline] zap_pte_range mm/memory.c:1272 [inline] zap_pmd_range mm/memory.c:1384 [inline] zap_pud_range mm/memory.c:1413 [inline] zap_p4d_range mm/memory.c:1434 [inline] unmap_page_range+0xf22/0x2890 mm/memory.c:1455 unmap_single_vma+0x198/0x300 mm/memory.c:1500 unmap_vmas+0x16d/0x2f0 mm/memory.c:1532 exit_mmap+0x1d0/0x620 mm/mmap.c:3202 __mmput+0x122/0x470 kernel/fork.c:1101 mmput+0x58/0x60 kernel/fork.c:1122 exit_mm kernel/exit.c:501 [inline] do_exit+0xae2/0x2a50 kernel/exit.c:812 do_group_exit+0x125/0x310 kernel/exit.c:922 get_signal+0x47f/0x2150 kernel/signal.c:2796 arch_do_signal_or_restart+0x2a9/0x1eb0 arch/x86/kernel/signal.c:789 handle_signal_work kernel/entry/common.c:148 [inline] exit_to_user_mode_loop kernel/entry/common.c:172 [inline] exit_to_user_mode_prepare+0x17d/0x290 kernel/entry/common.c:209 __syscall_exit_to_user_mode_work kernel/entry/common.c:291 [inline] syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:302 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x4665d9 Code: Unable to access opcode bytes at RIP 0x4665af. RSP: 002b:00007f0a1b8e7188 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: 0000000000000004 RBX: 000000000056bf80 RCX: 00000000004665d9 RDX: 0000000000000070 RSI: 0000000020000180 RDI: 0000000000000005 RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80 R13: 00007ffc63adcf4f R14: 00007f0a1b8e7300 R15: 0000000000022000