watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [syz-executor.4:17800] Modules linked in: irq event stamp: 2688817 hardirqs last enabled at (2688816): [] trace_hardirqs_on_thunk+0x1a/0x1c hardirqs last disabled at (2688817): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (2685550): [] __do_softirq+0x678/0x980 kernel/softirq.c:318 softirqs last disabled at (2685553): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (2685553): [] irq_exit+0x215/0x260 kernel/softirq.c:412 CPU: 1 PID: 17800 Comm: syz-executor.4 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 RIP: 0010:__ieee80211_beacon_get+0x8a1/0x1a30 net/mac80211/tx.c:4430 Code: 00 00 00 fc ff df 48 89 fa 48 89 6c 24 58 48 c1 ea 03 80 3c 02 00 0f 85 f0 0e 00 00 48 ba 00 00 00 00 00 fc ff df 48 8b 6d 38 <4a> 8d bc f5 f8 00 00 00 48 89 f9 48 c1 e9 03 80 3c 11 00 0f 85 bf RSP: 0018:ffff8880ba107c18 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: dffffc0000000000 RBX: ffff8880a10d7638 RCX: 0000000000000000 RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff8880b4239978 RBP: ffff8880b4239320 R08: 0000000000000001 R09: ffff8880ba107c70 R10: ffff8880ba107caf R11: 0000000000000000 R12: ffff88809db1e780 R13: ffff88809db1e7a8 R14: 0000000000000000 R15: ffff8880ba107c70 FS: 00007feebb70f700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000561796057188 CR3: 00000000623e0000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: 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:__rcu_read_lock+0xa/0x40 kernel/rcu/tree_plugin.h:404 Code: f0 83 44 24 fc 00 48 8b 05 3b 8d a7 08 f0 83 44 24 fc 00 48 83 c0 07 48 83 e0 fc c3 0f 1f 40 00 48 b8 00 00 00 00 00 fc ff df <53> 65 48 8b 1c 25 c0 df 01 00 48 8d bb 70 03 00 00 48 89 fa 48 c1 RSP: 0018:ffff888051d9f6b8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: dffffc0000000000 RBX: ffffea00017d42c0 RCX: ffffffff818fb0d1 RDX: 0000000000000000 RSI: ffffffff818fb0de RDI: ffffea00017d42c0 RBP: ffffea00017d42c0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: ffffea00017d42c0 R15: 00007feebc4c2000 rcu_read_lock include/linux/rcupdate.h:625 [inline] lock_page_memcg+0x16/0x220 mm/memcontrol.c:1908 page_remove_file_rmap+0x36/0xa30 mm/rmap.c:1212 page_remove_rmap+0xe5/0x120 mm/rmap.c:1297 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 arch/x86/entry/common.c:198 [inline] syscall_return_slowpath arch/x86/entry/common.c:271 [inline] do_syscall_64+0x538/0x620 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7feebcd9b5a9 Code: Bad RIP value. RSP: 002b:00007feebb70f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000095 RAX: fffffffffffffe00 RBX: 00007feebcebcf80 RCX: 00007feebcd9b5a9 RDX: 0000000000000000 RSI: 0000000000800000 RDI: 00000000200e4000 RBP: 00007feebcdf6580 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe31267f4f R14: 00007feebb70f300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 17799 Comm: syz-executor.1 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 RIP: 0010:lockdep_hardirqs_off+0xae/0x2c0 kernel/locking/lockdep.c:2902 Code: 01 00 00 41 8b b4 24 84 08 00 00 85 f6 0f 85 4c 01 00 00 48 c7 c0 60 37 24 8d 48 ba 00 00 00 00 00 fc ff df 48 89 c1 83 e0 07 <48> c1 e9 03 83 c0 03 0f b6 14 11 38 d0 7c 08 84 d2 0f 85 96 01 00 RSP: 0018:ffff8880ba007780 EFLAGS: 00000046 RAX: 0000000000000000 RBX: ffff8880a8bdc0c0 RCX: ffffffff8d243760 RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff8880a8bdc944 RBP: ffffffff881950cc R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000005 R11: ffffffff8c66501b R12: ffff8880a8bdc0c0 R13: 1ffff11017400ef9 R14: ffff8880b3f0aad8 R15: ffffffff8d40d088 FS: 00007f10db23f700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f561e206000 CR3: 00000000a226f000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] _raw_spin_unlock_irqrestore+0x5c/0xe0 kernel/locking/spinlock.c:184 debug_object_deactivate lib/debugobjects.c:568 [inline] debug_object_deactivate+0x1f9/0x2e0 lib/debugobjects.c:529 debug_hrtimer_deactivate kernel/time/hrtimer.c:421 [inline] debug_deactivate kernel/time/hrtimer.c:471 [inline] __run_hrtimer kernel/time/hrtimer.c:1435 [inline] __hrtimer_run_queues+0x1bc/0xe60 kernel/time/hrtimer.c:1527 hrtimer_interrupt+0x326/0x9e0 kernel/time/hrtimer.c:1585 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1071 [inline] smp_apic_timer_interrupt+0x10c/0x550 arch/x86/kernel/apic/apic.c:1096 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894 RIP: 0010:check_memory_region_inline mm/kasan/kasan.c:248 [inline] RIP: 0010:check_memory_region+0x0/0x170 mm/kasan/kasan.c:267 Code: 00 00 48 8d 57 0f 48 89 d6 48 c1 ee 03 0f b6 04 06 84 c0 74 d8 83 e2 07 38 d0 7e d7 c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 <48> 85 f6 0f 84 3f 01 00 00 48 b8 ff ff ff ff ff 7f ff ff 44 0f b6 RSP: 0018:ffff8880ba007b50 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: ffff88805e114c00 RBX: 0000000000000000 RCX: ffffffff86700f76 RDX: 0000000000000000 RSI: 000000000000009c RDI: ffff88805e113540 RBP: ffff88805e1132c0 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: 000000000000009c R13: ffff88805e113540 R14: 00000000ffffffb0 R15: 000000000000004c memcpy+0x20/0x50 mm/kasan/kasan.c:302 memcpy include/linux/string.h:377 [inline] skb_copy_from_linear_data_offset include/linux/skbuff.h:3462 [inline] skb_copy_bits+0x116/0x770 net/core/skbuff.c:2052 skb_copy+0x23f/0x2f0 net/core/skbuff.c:1369 mac80211_hwsim_tx_frame_no_nl.isra.0+0xb8a/0x1330 drivers/net/wireless/mac80211_hwsim.c:1353 mac80211_hwsim_tx_frame+0x12b/0x210 drivers/net/wireless/mac80211_hwsim.c:1556 mac80211_hwsim_beacon_tx+0x3f8/0x680 drivers/net/wireless/mac80211_hwsim.c:1595 __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:pte_none arch/x86/include/asm/pgtable.h:709 [inline] RIP: 0010:zap_pte_range mm/memory.c:1317 [inline] RIP: 0010:zap_pmd_range mm/memory.c:1463 [inline] RIP: 0010:zap_pud_range mm/memory.c:1492 [inline] RIP: 0010:zap_p4d_range mm/memory.c:1513 [inline] RIP: 0010:unmap_page_range+0xab5/0x2c50 mm/memory.c:1534 Code: 89 44 24 70 e8 dc ee d6 ff 48 8b 44 24 30 48 c1 e8 03 42 80 3c 30 00 0f 85 4d 1c 00 00 48 8b 44 24 30 31 ff 4c 8b 20 4c 89 e3 <48> 83 e3 9f 48 89 de e8 3f f0 d6 ff 48 85 db 0f 84 9c 05 00 00 48 RSP: 0018:ffff888051c67770 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: ffff8880a19bbbe0 RBX: 800000009912e007 RCX: ffffffff818b9c86 RDX: 0000000000000000 RSI: ffffffff818b9694 RDI: 0000000000000000 RBP: ffffea0002644b70 R08: 0000000000000000 R09: 00007f10dc200000 R10: 0000000000000006 R11: 0000000000000000 R12: 800000009912e007 R13: ffffea0002644b40 R14: dffffc0000000000 R15: 00007f10dc17d000 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 arch/x86/entry/common.c:198 [inline] syscall_return_slowpath arch/x86/entry/common.c:271 [inline] do_syscall_64+0x538/0x620 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f10dc8cb5a9 Code: Bad RIP value. RSP: 002b:00007f10db23f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000095 RAX: fffffffffffffe00 RBX: 00007f10dc9ecf80 RCX: 00007f10dc8cb5a9 RDX: 0000000000000000 RSI: 0000000000800000 RDI: 00000000200e4000 RBP: 00007f10dc926580 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd7c2c2cef R14: 00007f10db23f300 R15: 0000000000022000