netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor.5:25379] Modules linked in: irq event stamp: 2230605 hardirqs last enabled at (2230604): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (2230604): [] _raw_spin_unlock_irq+0x24/0x80 kernel/locking/spinlock.c:192 hardirqs last disabled at (2230605): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (2177614): [] __do_softirq+0x678/0x980 kernel/softirq.c:318 softirqs last disabled at (2177617): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (2177617): [] irq_exit+0x215/0x260 kernel/softirq.c:412 CPU: 0 PID: 25379 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:169 [inline] RIP: 0010:_raw_spin_unlock_irq+0x50/0x80 kernel/locking/spinlock.c:192 Code: c0 98 82 f1 89 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 75 31 48 83 3d 01 31 d8 01 00 74 25 fb 66 0f 1f 44 00 00 01 00 00 00 e8 26 1b 28 f9 65 8b 05 9f 8d e8 77 85 c0 74 02 5d RSP: 0018:ffff8880ba007de0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff13e3053 RBX: dffffc0000000000 RCX: 1ffff1100a8d356d RDX: dffffc0000000000 RSI: ffff88805469ab48 RDI: ffff88805469ab44 RBP: ffff8880ba022b40 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff869a4ab0 R13: ffff8880ba022b40 R14: ffff8880ba007e78 R15: 0000000000000000 FS: 00007fdce1e3c700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555555c9f708 CR3: 000000009b42a000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: 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:_vm_normal_page+0x162/0x510 mm/memory.c:907 Code: 00 fc ff df 48 c7 44 05 00 00 00 00 00 48 8b 44 24 68 65 48 2b 04 25 28 00 00 00 0f 85 51 03 00 00 48 83 c4 70 48 89 d8 5b 5d <41> 5c 41 5d 41 5e 41 5f c3 e8 d0 01 d7 ff 48 89 d8 31 ff 83 e0 01 RSP: 0018:ffff888055ecf748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 RAX: ffffea0002af2180 RBX: 8000000000000007 RCX: ffffffff818b840c RDX: 0000000000000000 RSI: ffffffff818b8362 RDI: 0000000000000006 RBP: 0000000000000001 R08: 0000000000000000 R09: 000000000023ffff R10: 0000000000000006 R11: 0000000000000000 R12: 80000000abc86007 R13: ffff888092aa8630 R14: 00007fdce2711000 R15: ffff888055ecf6f8 zap_pte_range mm/memory.c:1323 [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+0x1141/0x2c50 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: 0033:0x7fdce34c7049 Code: Bad RIP value. RSP: 002b:00007fdce1e3c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: 0000000000000004 RBX: 00007fdce35d9f60 RCX: 00007fdce34c7049 RDX: 0000000000002242 RSI: 00000000200001c0 RDI: ffffffffffffff9c RBP: 00007fdce352108d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd51cd91df R14: 00007fdce1e3c300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 25416 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__read_once_size include/linux/compiler.h:263 [inline] RIP: 0010:csd_lock_wait kernel/smp.c:108 [inline] RIP: 0010:smp_call_function_single+0x1db/0x420 kernel/smp.c:302 Code: 00 e8 09 04 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 a1 f9 ff ff 41 89 c5 eb 07 e8 e7 03 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 42 05 0a 00 45 85 e4 RSP: 0018:ffff8880a8f47740 EFLAGS: 00000246 RAX: 0000000000040000 RBX: 1ffff110151e8eec RCX: ffffc90008f3f000 RDX: 0000000000040000 RSI: ffffffff81588189 RDI: 0000000000000005 RBP: ffff8880a8f47818 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: 0000000000000001 R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000002 FS: 00007f2872aac700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f9d089543a5 CR3: 000000004c1b5000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: smp_call_function_many+0x743/0x8d0 kernel/smp.c:434 smp_call_function kernel/smp.c:492 [inline] on_each_cpu+0x47/0x240 kernel/smp.c:602 flush_tlb_kernel_range+0x7f/0xe0 arch/x86/mm/tlb.c:762 __purge_vmap_area_lazy+0x110/0x280 mm/vmalloc.c:681 vm_unmap_aliases mm/vmalloc.c:1113 [inline] vm_unmap_aliases+0x415/0x510 mm/vmalloc.c:1076 change_page_attr_set_clr+0x247/0xc60 arch/x86/mm/pageattr.c:1497 change_page_attr_clear arch/x86/mm/pageattr.c:1560 [inline] set_memory_ro+0x78/0xa0 arch/x86/mm/pageattr.c:1789 bpf_prog_lock_ro include/linux/filter.h:714 [inline] bpf_prog_select_runtime+0xb2/0x620 kernel/bpf/core.c:1587 bpf_prog_load+0xcf9/0x1230 kernel/bpf/syscall.c:1454 __do_sys_bpf kernel/bpf/syscall.c:2423 [inline] __se_sys_bpf+0xf22/0x3a20 kernel/bpf/syscall.c:2384 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f2874137049 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f2872aac168 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f2874249f60 RCX: 00007f2874137049 RDX: 0000000000000045 RSI: 0000000020000200 RDI: 0000000000000005 RBP: 00007f287419108d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcbd77ccdf R14: 00007f2872aac300 R15: 0000000000022000 ---------------- Code disassembly (best guess), 5 bytes skipped: 0: 48 ba 00 00 00 00 00 movabs $0xdffffc0000000000,%rdx 7: fc ff df a: 48 c1 e8 03 shr $0x3,%rax e: 80 3c 10 00 cmpb $0x0,(%rax,%rdx,1) 12: 75 31 jne 0x45 14: 48 83 3d 01 31 d8 01 cmpq $0x0,0x1d83101(%rip) # 0x1d8311d 1b: 00 1c: 74 25 je 0x43 1e: fb sti 1f: 66 0f 1f 44 00 00 nopw 0x0(%rax,%rax,1) * 25: bf 01 00 00 00 mov $0x1,%edi <-- trapping instruction 2a: e8 26 1b 28 f9 callq 0xf9281b55 2f: 65 8b 05 9f 8d e8 77 mov %gs:0x77e88d9f(%rip),%eax # 0x77e88dd5 36: 85 c0 test %eax,%eax 38: 74 02 je 0x3c 3a: 5d pop %rbp