netlink: 'syz-executor.3': attribute type 39 has an invalid length. loop4: p3 size 1912633224 extends beyond EOD, truncated watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [syz-executor.2:25297] Modules linked in: irq event stamp: 6112505 hardirqs last enabled at (6112504): [] trace_hardirqs_on_thunk+0x1a/0x1c hardirqs last disabled at (6112505): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (6100176): [] __do_softirq+0x678/0x980 kernel/softirq.c:318 softirqs last disabled at (6100179): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (6100179): [] irq_exit+0x215/0x260 kernel/softirq.c:412 CPU: 1 PID: 25297 Comm: syz-executor.2 Not tainted 4.19.195-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline] RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0xa3/0xe0 kernel/locking/spinlock.c:184 Code: 48 c7 c0 48 82 f1 89 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 75 2f 48 83 3d 5c 15 d9 01 00 74 15 48 89 df 57 9d <0f> 1f 44 00 00 eb b2 e8 1b d0 e7 f8 eb c0 0f 0b 0f 0b 48 c7 c7 48 RSP: 0018:ffff8880ba107938 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff13e3049 RBX: 0000000000000286 RCX: 1ffff11045fb59ef RDX: dffffc0000000000 RSI: ffff88822fdacf58 RDI: 0000000000000286 RBP: ffff88804215b200 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff888050bf4d50 R13: 0000000000000080 R14: 0000000000000001 R15: ffff8880ba107dd8 FS: 00007fe3bae17700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f81097848d0 CR3: 00000000a25cb000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ieee80211_rx_h_mgmt net/mac80211/rx.c:3534 [inline] ieee80211_rx_handlers+0x64ad/0x9890 net/mac80211/rx.c:3699 ieee802154 phy0 wpan0: encryption failed: -22 ieee80211_invoke_rx_handlers net/mac80211/rx.c:3729 [inline] ieee80211_prepare_and_rx_handle+0x23ed/0x6780 net/mac80211/rx.c:4426 __ieee80211_rx_handle_packet net/mac80211/rx.c:4486 [inline] ieee80211_rx_napi+0x108d/0x2470 net/mac80211/rx.c:4675 ieee80211_rx include/net/mac80211.h:4109 [inline] ieee80211_tasklet_handler+0x101/0x160 net/mac80211/main.c:229 ieee802154 phy1 wpan1: encryption failed: -22 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:__sanitizer_cov_trace_pc+0x0/0x50 kernel/kcov.c:97 Code: ff 48 89 df e8 e1 cc 35 00 e9 ab fe ff ff 4c 89 ef e8 d4 cc 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 80 df 01 00 65 8b 15 cc 5f 9f 7e 81 e2 netlink: 12 bytes leftover after parsing attributes in process `syz-executor.3'. RSP: 0018:ffff88822e237768 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff818b91dc RDX: 0000000000000000 RSI: ffff88822fdac680 RDI: 0000000000000001 RBP: ffffea00023c86c8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: dead000000000100 R13: ffffea00023c86c0 R14: dffffc0000000000 R15: 00007fe3bc854000 __read_once_size include/linux/compiler.h:261 [inline] PageTail include/linux/page-flags.h:151 [inline] PageCompound include/linux/page-flags.h:156 [inline] page_mapcount include/linux/mm.h:640 [inline] zap_pte_range mm/memory.c:1351 [inline] zap_pmd_range mm/memory.c:1452 [inline] zap_pud_range mm/memory.c:1481 [inline] zap_p4d_range mm/memory.c:1502 [inline] unmap_page_range+0x1825/0x2a70 mm/memory.c:1523 loop4: p4 size 32768 extends beyond EOD, truncated unmap_single_vma+0x198/0x300 mm/memory.c:1568 unmap_vmas+0xa9/0x180 mm/memory.c:1598 exit_mmap+0x2b9/0x530 mm/mmap.c:3093 __mmput kernel/fork.c:1015 [inline] mmput+0x14e/0x4a0 kernel/fork.c:1036 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: 0033:0x419777 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b RSP: 002b:00007fe3bae16e70 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: 0000000000000000 RBX: 00000000004afcc0 RCX: 0000000000419777 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 RBP: 00000000000001bf R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 00000000200009c8 R15: 0000000000000063 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 25274 Comm: syz-executor.4 Not tainted 4.19.195-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:remove_hrtimer kernel/time/hrtimer.c:1025 [inline] RIP: 0010:__hrtimer_start_range_ns kernel/time/hrtimer.c:1098 [inline] RIP: 0010:hrtimer_start_range_ns+0x113/0xc10 kernel/time/hrtimer.c:1136 Code: 24 00 48 89 44 24 40 0f 85 e9 09 00 00 49 3b 6f 30 0f 85 72 05 00 00 e8 2b 63 0e 00 49 8d 7f 38 48 b8 00 00 00 00 00 fc ff df <48> 89 fa 48 c1 ea 03 0f b6 04 02 84 c0 74 06 0f 8e e4 08 00 00 45 RSP: 0018:ffff8882344a7180 EFLAGS: 00000012 RAX: dffffc0000000000 RBX: 0000000000002710 RCX: ffffffff814bdc4b RDX: 0000000040000000 RSI: ffffffff81541c05 RDI: ffff8880179d4ed0 RBP: ffff8880ba024d00 R08: 0000000000000001 R09: ffffed1017404990 R10: ffff8880ba024c83 R11: ffffffff8c66201b R12: ffffed1002f3a9d9 R13: 0000000000000000 R14: dffffc0000000000 R15: ffff8880179d4e98 FS: 00007ff5095dc700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f23c0c8e018 CR3: 00000000b4441000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: perf_swevent_start_hrtimer kernel/events/core.c:9276 [inline] cpu_clock_event_start kernel/events/core.c:9346 [inline] cpu_clock_event_add+0xbd/0xe0 kernel/events/core.c:9358 event_sched_in+0x414/0xdb0 kernel/events/core.c:2288 group_sched_in+0xbe/0x370 kernel/events/core.c:2324 flexible_sched_in+0x5e3/0x9f0 kernel/events/core.c:3330 visit_groups_merge.isra.0+0x2f3/0x550 kernel/events/core.c:3278 ctx_flexible_sched_in kernel/events/core.c:3367 [inline] ctx_sched_in+0x2f0/0x790 kernel/events/core.c:3412 perf_event_sched_in+0x69/0xa0 kernel/events/core.c:2433 perf_event_context_sched_in kernel/events/core.c:3452 [inline] __perf_event_task_sched_in+0x6a7/0x9b0 kernel/events/core.c:3491 perf_event_task_sched_in include/linux/perf_event.h:1115 [inline] finish_task_switch+0x437/0x760 kernel/sched/core.c:2676 context_switch kernel/sched/core.c:2831 [inline] __schedule+0x88f/0x2040 kernel/sched/core.c:3517 preempt_schedule_common+0x45/0xc0 kernel/sched/core.c:3641 ___preempt_schedule+0x16/0x18 __raw_spin_unlock include/linux/spinlock_api_smp.h:152 [inline] _raw_spin_unlock+0x3b/0x40 kernel/locking/spinlock.c:176 spin_unlock include/linux/spinlock.h:369 [inline] zap_pte_range mm/memory.c:1407 [inline] zap_pmd_range mm/memory.c:1452 [inline] zap_pud_range mm/memory.c:1481 [inline] zap_p4d_range mm/memory.c:1502 [inline] unmap_page_range+0x1492/0x2a70 mm/memory.c:1523 unmap_single_vma+0x198/0x300 mm/memory.c:1568 unmap_vmas+0xa9/0x180 mm/memory.c:1598 exit_mmap+0x2b9/0x530 mm/mmap.c:3093 __mmput kernel/fork.c:1015 [inline] mmput+0x14e/0x4a0 kernel/fork.c:1036 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: 0033:0x466397 Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 64 48 8b 0c 25 f8 ff ff ff 48 3b 61 10 76 68 48 83 ec 20 48 89 6c 24 <18> 48 8d 6c 24 18 80 3d a0 20 42 01 00 74 0c 48 8b 44 24 28 48 83 RSP: 002b:00007ff5095dbef8 EFLAGS: 00000202 ORIG_RAX: 0000000000000010 RAX: 0000000000000000 RBX: 00007ff5095dbf40 RCX: 0000000000466397 RDX: 00007ff5095dc050 RSI: 0000000000004c04 RDI: 0000000000000006 RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 00007ff5095dc050 R13: 00007fff74d385ef R14: 00007ff5095dc300 R15: 0000000000022000