netlink: 12 bytes leftover after parsing attributes in process `syz-executor.1'. ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 ip6_tunnel: ip6tnl1 xmit: Local address not yet configured! watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [syz-executor.4:28070] Modules linked in: irq event stamp: 6075807 hardirqs last enabled at (6075806): [] trace_hardirqs_on_thunk+0x1a/0x1c hardirqs last disabled at (6075807): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (5903264): [] __do_softirq+0x678/0x980 kernel/softirq.c:318 softirqs last disabled at (5903267): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (5903267): [] irq_exit+0x215/0x260 kernel/softirq.c:412 CPU: 1 PID: 28070 Comm: syz-executor.4 Not tainted 4.19.204-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:lock_acquire+0x1ec/0x3c0 kernel/locking/lockdep.c:3911 Code: 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 b7 01 00 00 48 83 3d e9 1f a6 08 00 0f 84 2a 01 00 00 48 8b 7c 24 08 57 9d <0f> 1f 44 00 00 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e 41 5f c3 65 8b RSP: 0018:ffff8880ba107cd0 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff13e3059 RBX: ffff8880b482c300 RCX: 000000000000676f RDX: dffffc0000000000 RSI: 0000000082457e2a RDI: 0000000000000282 RBP: ffff8880ba107d58 R08: ffffffff8cd4a0b8 R09: 0000000000000001 R10: ffff8880b482cbb0 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001 FS: 00007efd96cef700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fff3051bc20 CR3: 00000000a38aa000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: call_timer_fn+0x113/0x700 kernel/time/timer.c:1335 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:compound_head include/linux/page-flags.h:144 [inline] RIP: 0010:PageAnon include/linux/page-flags.h:418 [inline] RIP: 0010:zap_pte_range mm/memory.c:1340 [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+0x126f/0x2c50 mm/memory.c:1534 Code: 42 80 3c 30 00 0f 85 df 16 00 00 49 8b 45 08 31 ff 4d 89 ec 48 89 c3 48 89 84 24 c0 00 00 00 83 e3 01 48 89 de e8 f1 f0 d6 ff <48> 85 db 0f 85 90 0d 00 00 e8 53 ef d6 ff 49 8d 7c 24 18 48 89 fa RSP: 0018:ffff88823adff770 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff818ba32f RDX: 0000000000000000 RSI: ffff8880b482c300 RDI: 0000000000000007 RBP: ffffea000267e208 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000007 R11: 0000000000000000 R12: ffffea000267e200 R13: ffffea000267e200 R14: dffffc0000000000 R15: 00007efd995a8000 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: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: 0033:0x4665e9 Code: Bad RIP value. RSP: 002b:00007efd96cef188 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: fffffffffffffffc RBX: 000000000056bf80 RCX: 00000000004665e9 RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000020002004ffc RBP: 00000000004bfcc4 R08: ffffffffffffffff R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80 R13: 00007ffcde95d7cf R14: 00007efd96cef300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 2927 Comm: kworker/u4:4 Not tainted 4.19.204-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: phy22 ieee80211_iface_work RIP: 0010:__orc_find+0x4/0xf0 arch/x86/kernel/unwind_orc.c:31 Code: f2 de 6e 00 e9 a7 fd ff ff e8 78 df 6e 00 e9 ea fc ff ff 48 8b 3c 24 e8 fa df 6e 00 e9 7b fe ff ff 90 90 90 90 90 41 57 89 d0 <41> 56 41 55 41 54 4c 8d 64 87 fc 55 53 48 83 ec 10 85 d2 0f 84 95 RSP: 0018:ffff8880abd37850 EFLAGS: 00000012 RAX: 000000000000000d RBX: 1ffff110157a6f15 RCX: ffffffff866fdb70 RDX: 000000000000000d RSI: ffffffff8bf564e8 RDI: ffffffff8b760384 RBP: 0000000000000001 R08: 0000000000000000 R09: ffffffff8bf564e8 R10: ffff8880abd379ef R11: 0000000000074071 R12: ffff8880abd379d8 R13: ffff8880abd379c5 R14: ffff8880abd37990 R15: ffffffff866fdb70 FS: 0000000000000000(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2b9f8e4000 CR3: 00000000a1b92000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: orc_find arch/x86/kernel/unwind_orc.c:159 [inline] unwind_next_frame+0x339/0x1400 arch/x86/kernel/unwind_orc.c:422 __save_stack_trace+0x9f/0x190 arch/x86/kernel/stacktrace.c:44 save_stack mm/kasan/kasan.c:448 [inline] set_track mm/kasan/kasan.c:460 [inline] __kasan_slab_free+0x126/0x1f0 mm/kasan/kasan.c:521 __cache_free mm/slab.c:3503 [inline] kmem_cache_free+0x7f/0x260 mm/slab.c:3765 kfree_skbmem+0xc1/0x140 net/core/skbuff.c:595 __kfree_skb net/core/skbuff.c:655 [inline] kfree_skb+0x127/0x3d0 net/core/skbuff.c:672 ieee80211_iface_work+0x289/0x8a0 net/mac80211/iface.c:1353 process_one_work+0x864/0x1570 kernel/workqueue.c:2153 worker_thread+0x64c/0x1130 kernel/workqueue.c:2296 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 ---------------- Code disassembly (best guess): 0: 08 00 or %al,(%rax) 2: 00 00 add %al,(%rax) 4: 00 00 add %al,(%rax) 6: 00 48 c1 add %cl,-0x3f(%rax) 9: e8 03 80 3c 10 callq 0x103c8011 e: 00 0f add %cl,(%rdi) 10: 85 b7 01 00 00 48 test %esi,0x48000001(%rdi) 16: 83 3d e9 1f a6 08 00 cmpl $0x0,0x8a61fe9(%rip) # 0x8a62006 1d: 0f 84 2a 01 00 00 je 0x14d 23: 48 8b 7c 24 08 mov 0x8(%rsp),%rdi 28: 57 push %rdi 29: 9d popfq 2a: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) <-- trapping instruction 2f: 48 83 c4 18 add $0x18,%rsp 33: 5b pop %rbx 34: 5d pop %rbp 35: 41 5c pop %r12 37: 41 5d pop %r13 39: 41 5e pop %r14 3b: 41 5f pop %r15 3d: c3 retq 3e: 65 gs 3f: 8b .byte 0x8b