mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 watchdog: BUG: soft lockup - CPU#0 stuck for 21s! [syz-executor.2:29990] Modules linked in: irq event stamp: 4310293 hardirqs last enabled at (4310292): [] queue_work_on+0x132/0x1f0 kernel/workqueue.c:1493 hardirqs last disabled at (4310293): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (4293030): [] __do_softirq+0x678/0x980 kernel/softirq.c:318 softirqs last disabled at (4293033): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (4293033): [] irq_exit+0x215/0x260 kernel/softirq.c:412 CPU: 0 PID: 29990 Comm: syz-executor.2 Not tainted 4.19.211-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:queue_work_on+0x165/0x1f0 kernel/workqueue.c:1493 Code: 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 87 00 00 00 48 83 3d df 54 b3 08 00 74 43 e8 c0 57 24 00 48 89 df 57 9d <0f> 1f 44 00 00 eb a9 e8 af 57 24 00 4c 89 e2 4c 89 ee 89 ef e8 82 RSP: 0018:ffff8880ba0078e0 EFLAGS: 00000206 ORIG_RAX: ffffffffffffff13 RAX: ffff88804de52000 RBX: 0000000000000206 RCX: 1ffff11009bca51f RDX: 0000000000000100 RSI: ffffffff813e2db0 RDI: 0000000000000206 RBP: 0000000000000200 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff88804795db68 R13: ffff8880af5430c0 R14: 0000000000000001 R15: ffff8880ba007d00 FS: 00007fc6dbbe9700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055a06ed6f160 CR3: 0000000009e6d000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: queue_work include/linux/workqueue.h:512 [inline] ieee80211_queue_work net/mac80211/util.c:753 [inline] ieee80211_queue_work+0x129/0x160 net/mac80211/util.c:746 ieee80211_rx_h_mgmt net/mac80211/rx.c:3532 [inline] ieee80211_rx_handlers+0x6619/0x9730 net/mac80211/rx.c:3696 ieee80211_invoke_rx_handlers net/mac80211/rx.c:3726 [inline] ieee80211_prepare_and_rx_handle+0x23fa/0x6790 net/mac80211/rx.c:4423 __ieee80211_rx_handle_packet net/mac80211/rx.c:4483 [inline] ieee80211_rx_napi+0x108d/0x2470 net/mac80211/rx.c:4672 ieee80211_rx include/net/mac80211.h:4109 [inline] ieee80211_tasklet_handler+0x101/0x160 net/mac80211/main.c:229 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:__tlb_remove_page_size+0xbb/0x470 mm/memory.c:311 Code: 53 d7 ff 41 39 ec 0f 85 59 67 69 06 e8 2e 52 d7 ff 4c 8d 7b 28 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 c1 ea 03 80 3c 02 00 <0f> 85 31 03 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b 6b 28 48 8d RSP: 0018:ffff88802f9bf738 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: dffffc0000000000 RBX: ffff88802f9bf9b0 RCX: ffffffff818b3334 RDX: 1ffff11005f37f3b RSI: ffffffff818b3342 RDI: 0000000000000004 RBP: 0000000000001000 R08: 0000000000000000 R09: 0000000000001000 R10: 0000000000000004 R11: 0000000000000000 R12: 0000000000001000 R13: ffffea0002ad1980 R14: ffffea0002ad1980 R15: ffff88802f9bf9d8 __tlb_remove_page include/asm-generic/tlb.h:161 [inline] zap_pte_range mm/memory.c:1353 [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+0x14e7/0x2c50 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: 0033:0x7fc6dd274109 Code: Bad RIP value. RSP: 002b:00007fc6dbbe9168 EFLAGS: 00000246 ORIG_RAX: 0000000000000127 RAX: 000000000000002f RBX: 00007fc6dd386f60 RCX: 00007fc6dd274109 RDX: 10000000000002a1 RSI: 0000000020000480 RDI: 0000000000000006 RBP: 00007fc6dd2ce05d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe9930deaf R14: 00007fc6dbbe9300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 7 Comm: kworker/u4:0 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: bat_events batadv_nc_worker RIP: 0010:__rcu_read_unlock+0x27/0x160 kernel/rcu/tree_plugin.h:421 Code: 00 00 00 48 b8 00 00 00 00 00 fc ff df 55 53 65 48 8b 1c 25 c0 df 01 00 48 8d ab 70 03 00 00 48 89 ea 48 c1 ea 03 0f b6 04 02 <84> c0 74 08 3c 03 0f 8e e5 00 00 00 8b 83 70 03 00 00 83 f8 01 74 RSP: 0018:ffff8880b5a47c98 EFLAGS: 00000a06 RAX: 0000000000000000 RBX: ffff8880b5a361c0 RCX: ffffffff87d8f371 RDX: 1ffff11016b46ca6 RSI: ffffffff87d8f07a RDI: 0000000000000001 RBP: ffff8880b5a36530 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 R13: dffffc0000000000 R14: 0000000000000006 R15: ffff8880a4546000 FS: 0000000000000000(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c018cf7000 CR3: 00000000aa462000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rcu_read_unlock include/linux/rcupdate.h:680 [inline] batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:423 [inline] batadv_nc_worker+0x64f/0xd50 net/batman-adv/network-coding.c:730 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), 7 bytes skipped: 0: df 48 c1 fisttps -0x3f(%rax) 3: e8 03 80 3c 10 callq 0x103c800b 8: 00 0f add %cl,(%rdi) a: 85 87 00 00 00 48 test %eax,0x48000000(%rdi) 10: 83 3d df 54 b3 08 00 cmpl $0x0,0x8b354df(%rip) # 0x8b354f6 17: 74 43 je 0x5c 19: e8 c0 57 24 00 callq 0x2457de 1e: 48 89 df mov %rbx,%rdi 21: 57 push %rdi 22: 9d popfq * 23: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) <-- trapping instruction 28: eb a9 jmp 0xffffffd3 2a: e8 af 57 24 00 callq 0x2457de 2f: 4c 89 e2 mov %r12,%rdx 32: 4c 89 ee mov %r13,%rsi 35: 89 ef mov %ebp,%edi 37: e8 .byte 0xe8 38: 82 .byte 0x82