watchdog: BUG: soft lockup - CPU#0 stuck for 123s! [syz-executor.2:32372] Modules linked in: irq event stamp: 12532217 hardirqs last enabled at (12532216): [] asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:647 hardirqs last disabled at (12532217): [] sysvec_apic_timer_interrupt+0xb/0xc0 arch/x86/kernel/apic/apic.c:1100 softirqs last enabled at (11621144): [] invoke_softirq kernel/softirq.c:433 [inline] softirqs last enabled at (11621144): [] __irq_exit_rcu+0x136/0x200 kernel/softirq.c:637 softirqs last disabled at (11621147): [] invoke_softirq kernel/softirq.c:433 [inline] softirqs last disabled at (11621147): [] __irq_exit_rcu+0x136/0x200 kernel/softirq.c:637 CPU: 0 PID: 32372 Comm: syz-executor.2 Not tainted 5.13.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:mac80211_hwsim_tx_frame_no_nl.isra.0+0x749/0x1330 drivers/net/wireless/mac80211_hwsim.c:1522 Code: 7d b1 4c fc 48 89 d8 48 c1 e8 03 80 3c 28 00 0f 85 93 09 00 00 48 8b 1b 48 81 fb a0 32 d6 8c 0f 84 f7 04 00 00 e8 57 b1 4c fc <49> 39 de 4c 89 ac 24 90 00 00 00 c6 84 24 98 00 00 00 00 74 bb e8 RSP: 0018:ffffc90000007ba0 EFLAGS: 00000246 RAX: 0000000000000000 RBX: ffff88802c2631e0 RCX: 0000000000000100 RDX: ffff88806228d4c0 RSI: ffffffff85282b29 RDI: 0000000000000003 RBP: dffffc0000000000 R08: 0000000000000006 R09: 0000000000000000 R10: ffffffff85282b79 R11: 0000000000000000 R12: ffff88807bb0ddc0 R13: ffff888066efb410 R14: ffff888066efb1e0 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004e4da5 CR3: 0000000061e94000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: mac80211_hwsim_tx_frame+0x14f/0x1e0 drivers/net/wireless/mac80211_hwsim.c:1780 mac80211_hwsim_beacon_tx+0x4ba/0x910 drivers/net/wireless/mac80211_hwsim.c:1834 __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:1857 __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/0x9f6 kernel/softirq.c:559 invoke_softirq kernel/softirq.c:433 [inline] __irq_exit_rcu+0x136/0x200 kernel/softirq.c:637 irq_exit_rcu+0x5/0x20 kernel/softirq.c:649 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:647 RIP: 0010:debug_lockdep_rcu_enabled+0x0/0x30 kernel/rcu/update.c:280 Code: 84 00 00 00 00 00 0f 1f 40 00 0f 1f 44 00 00 65 81 05 e0 85 eb 76 00 00 00 f0 c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc <8b> 05 56 de b2 04 85 c0 74 21 8b 05 ec 0f b3 04 85 c0 74 17 65 48 RSP: 0018:ffffc90001baf6c8 EFLAGS: 00000282 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 000000003dfe94e6 RDX: 1ffff1100c451bd6 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc90001baf720 R08: 0000000000000000 R09: ffffffff902278a7 R10: fffffbfff2044f14 R11: 0000000000000000 R12: ffffea000163df08 R13: 0000000000000000 R14: dffffc0000000000 R15: ffffea000163df00 rcu_read_lock include/linux/rcupdate.h:658 [inline] lock_page_memcg+0x6b/0x7d0 mm/memcontrol.c:1982 page_remove_rmap+0x25/0x1430 mm/rmap.c:1348 zap_pte_range mm/memory.c:1270 [inline] zap_pmd_range mm/memory.c:1374 [inline] zap_pud_range mm/memory.c:1403 [inline] zap_p4d_range mm/memory.c:1424 [inline] unmap_page_range+0xe30/0x2650 mm/memory.c:1445 unmap_single_vma+0x198/0x300 mm/memory.c:1490 unmap_vmas+0x16d/0x2f0 mm/memory.c:1522 exit_mmap+0x2a8/0x590 mm/mmap.c:3208 __mmput+0x122/0x470 kernel/fork.c:1096 mmput+0x58/0x60 kernel/fork.c:1117 exit_mm kernel/exit.c:502 [inline] do_exit+0xb0a/0x2a60 kernel/exit.c:813 do_group_exit+0x125/0x310 kernel/exit.c:923 get_signal+0x47f/0x2150 kernel/signal.c:2835 arch_do_signal_or_restart+0x2a8/0x1eb0 arch/x86/kernel/signal.c:789 handle_signal_work kernel/entry/common.c:147 [inline] exit_to_user_mode_loop kernel/entry/common.c:171 [inline] exit_to_user_mode_prepare+0x171/0x280 kernel/entry/common.c:208 __syscall_exit_to_user_mode_work kernel/entry/common.c:290 [inline] syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:301 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:57 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x4665d9 Code: Unable to access opcode bytes at RIP 0x4665af. RSP: 002b:00007fc33ec0c188 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: fffffffffffffff5 RBX: 000000000056bf80 RCX: 00000000004665d9 RDX: 0000000000000070 RSI: 0000000020000440 RDI: 0000000000000005 RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80 R13: 00007ffff2f156df R14: 00007fc33ec0c300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 32395 Comm: syz-executor.4 Not tainted 5.13.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:check_region_inline mm/kasan/generic.c:166 [inline] RIP: 0010:kasan_check_range+0x9/0x180 mm/kasan/generic.c:186 Code: 00 48 89 f2 be f5 00 00 00 e9 d3 9a 33 02 0f 1f 00 48 89 f2 be f8 00 00 00 e9 c3 9a 33 02 0f 1f 00 48 85 f6 0f 84 70 01 00 00 <49> 89 f9 41 54 44 0f b6 c2 49 01 f1 55 53 0f 82 18 01 00 00 48 b8 RSP: 0018:ffffc90000dc05e8 EFLAGS: 00000002 RAX: 0000000000000001 RBX: 0000000000000057 RCX: ffffffff815a3551 RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff902278a8 RBP: ffff888069b6df58 R08: 0000000000000000 R09: ffffffff902278af R10: fffffbfff2044f15 R11: 0000000000000000 R12: ffff888069b6d4c0 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000541198 CR3: 0000000052eed000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: instrument_atomic_read include/linux/instrumented.h:71 [inline] test_bit include/asm-generic/bitops/instrumented-non-atomic.h:134 [inline] hlock_class kernel/locking/lockdep.c:199 [inline] __lock_acquire+0x1401/0x5230 kernel/locking/lockdep.c:4898 lock_acquire kernel/locking/lockdep.c:5512 [inline] lock_acquire+0x1ab/0x740 kernel/locking/lockdep.c:5477 seqcount_lockdep_reader_access include/linux/seqlock.h:103 [inline] timekeeping_get_delta kernel/time/timekeeping.c:252 [inline] timekeeping_get_ns kernel/time/timekeeping.c:386 [inline] ktime_get_update_offsets_now+0x14d/0x5c0 kernel/time/timekeeping.c:2298 hrtimer_update_base kernel/time/hrtimer.c:631 [inline] hrtimer_interrupt+0x142/0xa00 kernel/time/hrtimer.c:1645 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline] __sysvec_apic_timer_interrupt+0x146/0x540 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:647 RIP: 0010:trylock_clear_pending kernel/locking/qspinlock_paravirt.h:121 [inline] RIP: 0010:pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:435 [inline] RIP: 0010:__pv_queued_spin_lock_slowpath+0x3d9/0xb40 kernel/locking/qspinlock.c:508 Code: fc ff df 4c 8d 2c 01 eb 0c f3 90 41 83 ec 01 0f 84 72 04 00 00 41 0f b6 45 00 38 d8 7f 08 84 c0 0f 85 91 05 00 00 0f b6 45 00 <84> c0 75 db be 02 00 00 00 48 89 ef e8 a6 05 5f 00 b8 00 01 00 00 RSP: 0018:ffffc90000dc0a30 EFLAGS: 00000246 RAX: 0000000000000003 RBX: 0000000000000000 RCX: 1ffffffff19ac65c RDX: 0000000000000001 RSI: ffffffff817aec91 RDI: ffffffff8132b571 RBP: ffffffff8cd632e0 R08: 0000000000000001 R09: 0000000000000001 R10: ffffffff817aec59 R11: 0000000000000080 R12: 000000000000650e R13: fffffbfff19ac65c R14: 0000000000000001 R15: ffff8880b9d36400 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:585 [inline] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:51 [inline] queued_spin_lock include/asm-generic/qspinlock.h:85 [inline] do_raw_spin_lock+0x200/0x2b0 kernel/locking/spinlock_debug.c:113 spin_lock include/linux/spinlock.h:354 [inline] mac80211_hwsim_tx_frame_no_nl.isra.0+0x68f/0x1330 drivers/net/wireless/mac80211_hwsim.c:1514 mac80211_hwsim_tx_frame+0x14f/0x1e0 drivers/net/wireless/mac80211_hwsim.c:1780 mac80211_hwsim_beacon_tx+0x4ba/0x910 drivers/net/wireless/mac80211_hwsim.c:1834 __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:1857 __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/0x9f6 kernel/softirq.c:559 invoke_softirq kernel/softirq.c:433 [inline] __irq_exit_rcu+0x136/0x200 kernel/softirq.c:637 irq_exit_rcu+0x5/0x20 kernel/softirq.c:649 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:647 RIP: 0010:lock_release+0x3f1/0x720 kernel/locking/lockdep.c:5520 Code: 7e 83 f8 01 0f 85 83 01 00 00 9c 58 f6 c4 02 0f 85 6e 01 00 00 48 f7 04 24 00 02 00 00 74 01 fb 48 b8 00 00 00 00 00 fc ff df <48> 01 c5 48 c7 45 00 00 00 00 00 c7 45 08 00 00 00 00 48 8b 84 24 RSP: 0018:ffffc9000194f670 EFLAGS: 00000206 RAX: dffffc0000000000 RBX: 73dc137520c94686 RCX: ffffc9000194f6c0 RDX: 1ffff1100d36dbd5 RSI: 0000000000000001 RDI: 0000000000000000 RBP: 1ffff92000329ed0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000001 R13: 0000000000000002 R14: ffff888069b6deb0 R15: ffff888069b6d4c0 mark_page_accessed+0x92d/0x1ad0 mm/swap.c:448 zap_pte_range mm/memory.c:1267 [inline] zap_pmd_range mm/memory.c:1374 [inline] zap_pud_range mm/memory.c:1403 [inline] zap_p4d_range mm/memory.c:1424 [inline] unmap_page_range+0xc95/0x2650 mm/memory.c:1445 unmap_single_vma+0x198/0x300 mm/memory.c:1490 unmap_vmas+0x16d/0x2f0 mm/memory.c:1522 exit_mmap+0x2a8/0x590 mm/mmap.c:3208 __mmput+0x122/0x470 kernel/fork.c:1096 mmput+0x58/0x60 kernel/fork.c:1117 exit_mm kernel/exit.c:502 [inline] do_exit+0xb0a/0x2a60 kernel/exit.c:813 do_group_exit+0x125/0x310 kernel/exit.c:923 get_signal+0x47f/0x2150 kernel/signal.c:2835 arch_do_signal_or_restart+0x2a8/0x1eb0 arch/x86/kernel/signal.c:789 handle_signal_work kernel/entry/common.c:147 [inline] exit_to_user_mode_loop kernel/entry/common.c:171 [inline] exit_to_user_mode_prepare+0x171/0x280 kernel/entry/common.c:208 __syscall_exit_to_user_mode_work kernel/entry/common.c:290 [inline] syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:301 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:57 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x4665d9 Code: Unable to access opcode bytes at RIP 0x4665af. RSP: 002b:00007fad2b0a6188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: 0000000000000006 RBX: 000000000056bf80 RCX: 00000000004665d9 RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000000020000100 RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 000000000056bf80 R13: 00007fff41ad5d7f R14: 00007fad2b0a6300 R15: 0000000000022000