mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium 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#1 stuck for 22s! [syz-executor.4:8906] Modules linked in: irq event stamp: 3564163 hardirqs last enabled at (3564162): [] queue_work_on+0x132/0x1f0 kernel/workqueue.c:1493 hardirqs last disabled at (3564163): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (3550122): [] __do_softirq+0x678/0x980 kernel/softirq.c:318 softirqs last disabled at (3550125): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (3550125): [] irq_exit+0x215/0x260 kernel/softirq.c:412 CPU: 1 PID: 8906 Comm: syz-executor.4 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:ffff8880ba1078e0 EFLAGS: 00000206 ORIG_RAX: ffffffffffffff13 RAX: ffff8881e60720c0 RBX: 0000000000000206 RCX: 1ffff1103cc0e53c RDX: 0000000000000100 RSI: ffffffff813e2db0 RDI: 0000000000000206 RBP: 0000000000000200 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff88805521a368 R13: ffff8880b5026d40 R14: 0000000000000001 R15: ffff8880ba107d00 FS: 00007f3724a2b700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000562eac61dbc0 CR3: 0000000009e6d000 CR4: 00000000003406e0 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: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 09 2e 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:ffff8881e6187920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff13e3051 RBX: ffff8881e60720c0 RCX: 101c7ce80a9a1d98 RDX: dffffc0000000000 RSI: 00000000015b370c RDI: 0000000000000286 RBP: ffffffff89f85fa0 R08: 00000000c985a8da R09: 0000000000000001 R10: ffff8881e6072970 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000002 R15: 0000000000000000 rcu_lock_acquire include/linux/rcupdate.h:242 [inline] rcu_read_lock include/linux/rcupdate.h:627 [inline] lock_page_memcg+0x36/0x220 mm/memcontrol.c:1908 page_remove_file_rmap+0x36/0xa30 mm/rmap.c:1212 page_remove_rmap+0xe5/0x120 mm/rmap.c:1297 zap_pte_range mm/memory.c:1350 [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+0x147d/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 __do_sys_exit_group kernel/exit.c:978 [inline] __se_sys_exit_group kernel/exit.c:976 [inline] __x64_sys_exit_group+0x3a/0x50 kernel/exit.c:976 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f37260b60e9 Code: Bad RIP value. RSP: 002b:00007f3724a29f38 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007f3724a2a0d0 RCX: 00007f37260b60e9 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000043 RBP: 00007f372610ef8e R08: 000000000000001e R09: 00007f3724a2a0d0 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f37260ff578 R13: 0000000000000016 R14: 00000000000000a8 R15: 0000000000000000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 skipped: idling at native_safe_halt+0xe/0x10 arch/x86/include/asm/irqflags.h:60 ---------------- 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