audit: type=1804 audit(1676034301.015:25580): pid=517 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir3062506932/syzkaller.8Tawlq/723/bus" dev="sda1" ino=15137 res=1 watchdog: BUG: soft lockup - CPU#1 stuck for 23s! [syz-executor.2:480] Modules linked in: irq event stamp: 2929041 hardirqs last enabled at (2929040): [] trace_hardirqs_on_thunk+0x1a/0x1c hardirqs last disabled at (2929041): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (2927074): [] __do_softirq+0x678/0x980 kernel/softirq.c:318 softirqs last disabled at (2927077): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (2927077): [] irq_exit+0x215/0x260 kernel/softirq.c:412 CPU: 1 PID: 480 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 RIP: 0010:rcu_lockdep_current_cpu_online kernel/rcu/tree.c:1080 [inline] RIP: 0010:rcu_lockdep_current_cpu_online+0x107/0x1b0 kernel/rcu/tree.c:1068 Code: c1 e8 03 80 3c 28 00 0f 85 a8 00 00 00 48 8d 7b 28 4c 8b 6b 20 48 89 f8 48 c1 e8 03 80 3c 28 00 0f 85 99 00 00 00 49 8d 7d 68 <48> 8b 5b 28 48 89 f8 48 c1 e8 03 80 3c 28 00 75 73 49 8b 45 68 48 RSP: 0018:ffff8880ba107bd8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: 1ffff110174257d5 RBX: ffff8880ba12be80 RCX: ffffffff83771e23 RDX: 1ffffffff139f5e1 RSI: ffffffff83771e31 RDI: ffffffff89f882e8 RBP: dffffc0000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: ffffffff89f88280 R13: ffffffff89f88280 R14: ffff8880abeab258 R15: ffff8880ba107d60 FS: 0000555556df4400(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c000e63000 CR3: 00000000a4a80000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rcu_read_lock_held+0xc3/0x110 kernel/rcu/update.c:285 __ieee80211_beacon_get+0x1689/0x1a30 net/mac80211/tx.c:4341 ieee80211_beacon_get_tim+0x88/0x890 net/mac80211/tx.c:4463 ieee80211_beacon_get include/net/mac80211.h:4484 [inline] mac80211_hwsim_beacon_tx+0xff/0x680 drivers/net/wireless/mac80211_hwsim.c:1577 __iterate_interfaces+0x2e1/0x4a0 net/mac80211/util.c:614 ieee80211_iterate_active_interfaces_atomic+0x8d/0x170 net/mac80211/util.c:650 mac80211_hwsim_beacon+0xc9/0x190 drivers/net/wireless/mac80211_hwsim.c:1615 __tasklet_hrtimer_trampoline+0x29/0xa0 kernel/softirq.c:601 tasklet_action_common.constprop.0+0x265/0x360 kernel/softirq.c:522 __do_softirq+0x265/0x980 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x215/0x260 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1098 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894 RIP: 0010:get_current arch/x86/include/asm/current.h:15 [inline] RIP: 0010:__sanitizer_cov_trace_pc+0x4/0x50 kernel/kcov.c:100 Code: e8 11 dd 35 00 e9 ab fe ff ff 4c 89 ef e8 04 dd 35 00 e9 23 fe ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 48 8b 34 24 <65> 48 8b 04 25 c0 df 01 00 65 8b 15 cc 59 9f 7e 81 e2 00 01 1f 00 RSP: 0018:ffff88804fee7740 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff81903369 RDX: 0000000000000000 RSI: ffffffff81903377 RDI: 0000000000000007 RBP: ffffea00025b3d80 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000007 R11: 0000000000000000 R12: ffffea00025b3d80 R13: 0000000000000000 R14: dead000000000100 R15: 00007fb7f70bb000 PageAnon include/linux/page-flags.h:419 [inline] page_remove_rmap+0x57/0x120 mm/rmap.c:1296 zap_pte_range mm/memory.c:1350 [inline] zap_pmd_range mm/memory.c:1463 [inline] zap_pud_range mm/memory.c:1492 [inline] zap_p4d_range mm/memory.c:1513 [inline] unmap_page_range+0x147d/0x2c50 mm/memory.c:1534 unmap_single_vma+0x198/0x300 mm/memory.c:1579 unmap_vmas+0xa9/0x180 mm/memory.c:1609 exit_mmap+0x2b9/0x530 mm/mmap.c:3093 __mmput kernel/fork.c:1016 [inline] mmput+0x14e/0x4a0 kernel/fork.c:1037 exit_mm kernel/exit.c:549 [inline] do_exit+0xaec/0x2be0 kernel/exit.c:857 do_group_exit+0x125/0x310 kernel/exit.c:967 get_signal+0x3f2/0x1f70 kernel/signal.c:2589 do_signal+0x8f/0x1670 arch/x86/kernel/signal.c:799 exit_to_usermode_loop+0x204/0x2a0 arch/x86/entry/common.c:163 prepare_exit_to_usermode+0x277/0x2d0 arch/x86/entry/common.c:198 retint_user+0x8/0x18 RIP: 0033:0x7fb7f76ae40d Code: Bad RIP value. RSP: 002b:00007ffee6c2d560 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: 0000000000002992 RBX: 00007fb7f7821018 RCX: 0000001b30120000 RDX: ffffffff81e0e472 RSI: 0000001b30132a3c RDI: 00000000090e37f8 RBP: 000000009529bb3d R08: ffffffff81e0e25c R09: 00000000cd3a08b0 R10: 00007ffee6c2d720 R11: 0000000000000246 R12: 00007fb7f7815000 R13: 0000000000000001 R14: 00000000000249a1 R15: ffffffff81e0e472 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 skipped: idling at native_safe_halt+0xe/0x10 arch/x86/include/asm/irqflags.h:60