netlink: 'syz-executor.0': attribute type 39 has an invalid length. watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [syz-executor.3:31289] Modules linked in: irq event stamp: 3903849 hardirqs last enabled at (3903848): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] hardirqs last enabled at (3903848): [] _raw_spin_unlock_irqrestore+0x79/0xe0 kernel/locking/spinlock.c:184 hardirqs last disabled at (3903849): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (1350780): [] __do_softirq+0x678/0x980 kernel/softirq.c:318 softirqs last disabled at (1350783): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (1350783): [] irq_exit+0x215/0x260 kernel/softirq.c:412 ieee802154 phy0 wpan0: encryption failed: -22 CPU: 1 PID: 31289 Comm: syz-executor.3 Not tainted 4.19.208-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 88 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 0c 4e d8 01 00 74 15 48 89 df 57 9d <0f> 1f 44 00 00 eb b2 e8 8b 08 e7 f8 eb c0 0f 0b 0f 0b 48 c7 c7 88 ieee802154 phy1 wpan1: encryption failed: -22 RSP: 0018:ffff8880ba107c28 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff13e3051 RBX: 0000000000000286 RCX: 1ffff11045af0db5 RDX: dffffc0000000000 RSI: ffff88822d786d88 RDI: 0000000000000286 RBP: ffff8880ba122b40 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000022b40 R14: 0000000000000000 R15: ffff8880ba122b40 FS: 00007f3a6860d700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000002015bffc CR3: 000000000edd8000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __mod_timer kernel/time/timer.c:1071 [inline] mod_timer+0x4ea/0x1010 kernel/time/timer.c:1114 call_timer_fn+0x177/0x700 kernel/time/timer.c:1338 expire_timers+0x243/0x4e0 kernel/time/timer.c:1375 __run_timers kernel/time/timer.c:1696 [inline] run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1709 __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:preempt_schedule_irq+0xa6/0x140 kernel/sched/core.c:3744 Code: 00 00 e8 cd 1f 29 f9 e8 98 5a 4f f9 4c 89 e8 48 c1 e8 03 80 3c 18 00 75 69 48 83 3d 2b 35 d9 01 00 74 5b fb 66 0f 1f 44 00 00 01 00 00 00 e8 40 d1 ff ff 48 c7 c0 90 82 f1 89 48 c1 e8 03 80 RSP: 0018:ffff88822ace7db0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff13e3053 RBX: dffffc0000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88822d786d84 RBP: ffffed1045af0ca0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff88822d786500 R13: ffffffff89f18298 R14: 0000000000000000 R15: 0000000000000000 retint_kernel+0x1b/0x2d RIP: 0010:clac fs/namespace.c:2681 [inline] RIP: 0010:exact_copy_from_user fs/namespace.c:2681 [inline] RIP: 0010:copy_mount_options+0x1ec/0x380 fs/namespace.c:2714 Code: 88 67 ff 48 89 de e8 23 61 b7 ff 48 85 db 74 41 4c 89 fd e8 86 5f b7 ff 0f 1f 00 0f ae e8 4c 89 ea 45 31 ff 48 29 da 44 8a 22 <0f> 1f 00 31 ff 44 89 fe e8 d7 60 b7 ff 45 85 ff 74 8d e8 5d 5f b7 RSP: 0018:ffff88822ace7e80 EFLAGS: 00000216 ORIG_RAX: ffffffffffffff13 RAX: 0000000000040000 RBX: 0000000000000ea4 RCX: ffffc900141e1000 RDX: 000000002000015c RSI: ffffffff81ab249a RDI: 0000000000000007 RBP: ffff88822aca04dc R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000007 R11: 000000005ae0a8bf R12: 0000000020000000 R13: 0000000020001000 R14: 0000000000001000 R15: 0000000000000000 ksys_mount+0x9b/0x130 fs/namespace.c:3033 __do_sys_mount fs/namespace.c:3052 [inline] __se_sys_mount fs/namespace.c:3049 [inline] __x64_sys_mount+0xba/0x150 fs/namespace.c:3049 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f3a6b096709 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f3a6860d188 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f3a6b19af60 RCX: 00007f3a6b096709 RDX: 000000002015bffc RSI: 0000000020000240 RDI: 0000000000000000 RBP: 00007f3a6b0f0cb4 R08: 0000000020000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffda6b5994f R14: 00007f3a6860d300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 31278 Comm: syz-executor.4 Not tainted 4.19.208-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 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 db 35 00 e9 ab fe ff ff 4c 89 ef e8 04 db 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 1c 5b 9f 7e 81 e2 00 01 1f 00 RSP: 0018:ffff8880ba007da8 EFLAGS: 00000006 RAX: ffff88803c608080 RBX: 0000000000000000 RCX: ffffffff8167a82c RDX: 0000000000000100 RSI: ffffffff8167a86b RDI: 0000000000000005 RBP: ffff8880ba022b40 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: ffffffff8688e4d0 R13: ffffffff881934e4 R14: ffff8880ba007e78 R15: 0000000000000000 FS: 00007f32d57fe700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7bd147a000 CR3: 000000004b160000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: arch_static_branch arch/x86/include/asm/jump_label.h:23 [inline] static_key_false include/linux/jump_label.h:138 [inline] trace_irq_enable_rcuidle include/trace/events/preemptirq.h:40 [inline] trace_hardirqs_on+0x7b/0x210 kernel/trace/trace_preemptirq.c:25 __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] _raw_spin_unlock_irq+0x24/0x80 kernel/locking/spinlock.c:192 expire_timers+0x238/0x4e0 kernel/time/timer.c:1374 __run_timers kernel/time/timer.c:1696 [inline] run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1709 __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:__read_once_size include/linux/compiler.h:261 [inline] RIP: 0010:check_kcov_mode kernel/kcov.c:69 [inline] RIP: 0010:__sanitizer_cov_trace_pc+0x1c/0x50 kernel/kcov.c:101 Code: 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 1c 5b 9f 7e 81 e2 00 01 1f 00 75 2b <8b> 90 60 13 00 00 83 fa 02 75 20 48 8b 88 68 13 00 00 8b 80 64 13 RSP: 0018:ffff88822cccf768 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: ffff88803c608080 RBX: 0000000000000000 RCX: ffffffff818b9b9b RDX: 0000000000000000 RSI: ffffffff818b9ba8 RDI: 0000000000000005 RBP: ffffea000231a288 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: 0000000000000000 R13: ffffea000231a280 R14: dffffc0000000000 R15: 00007f32d70f5000 __read_once_size include/linux/compiler.h:261 [inline] compound_head include/linux/page-flags.h:142 [inline] PageAnon include/linux/page-flags.h:418 [inline] mm_counter include/linux/mm.h:1649 [inline] zap_pte_range mm/memory.c:1349 [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+0x12f8/0x2c50 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: 0033:0x7f32d8287709 Code: Bad RIP value. RSP: 002b:00007f32d57fe188 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffe0 RBX: 00007f32d838bf60 RCX: 00007f32d8287709 RDX: 0000000000001000 RSI: 0000000020000780 RDI: 0000000000000004 RBP: 00007f32d82e1cb4 R08: 0000000020000000 R09: 0000000000000010 R10: 0000000000000040 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd09ac2ebf R14: 00007f32d57fe300 R15: 0000000000022000 ---------------- Code disassembly (best guess): 0: 48 c7 c0 88 82 f1 89 mov $0xffffffff89f18288,%rax 7: 48 ba 00 00 00 00 00 movabs $0xdffffc0000000000,%rdx e: fc ff df 11: 48 c1 e8 03 shr $0x3,%rax 15: 80 3c 10 00 cmpb $0x0,(%rax,%rdx,1) 19: 75 2f jne 0x4a 1b: 48 83 3d 0c 4e d8 01 cmpq $0x0,0x1d84e0c(%rip) # 0x1d84e2f 22: 00 23: 74 15 je 0x3a 25: 48 89 df mov %rbx,%rdi 28: 57 push %rdi 29: 9d popfq * 2a: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) <-- trapping instruction 2f: eb b2 jmp 0xffffffe3 31: e8 8b 08 e7 f8 callq 0xf8e708c1 36: eb c0 jmp 0xfffffff8 38: 0f 0b ud2 3a: 0f 0b ud2 3c: 48 rex.W 3d: c7 .byte 0xc7 3e: c7 (bad) 3f: 88 .byte 0x88