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#0 stuck for 23s! [syz-executor.1:1212] Modules linked in: irq event stamp: 3479759 hardirqs last enabled at (3479758): [] trace_hardirqs_on_thunk+0x1a/0x1c hardirqs last disabled at (3479759): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (3467554): [] __do_softirq+0x678/0x980 kernel/softirq.c:318 softirqs last disabled at (3467557): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (3467557): [] irq_exit+0x215/0x260 kernel/softirq.c:412 CPU: 0 PID: 1212 Comm: syz-executor.1 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:lock_is_held_type+0x17a/0x210 kernel/locking/lockdep.c:3948 Code: 00 00 00 00 fc ff df c7 85 84 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 75 63 48 83 3d 45 cc a6 08 00 74 2c 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e0 5b 5d 41 5c c3 48 83 c4 08 41 RSP: 0018:ffff8880ba007920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff13e3051 RBX: 0000000000000286 RCX: 0000000000000000 RDX: dffffc0000000000 RSI: 00000000ffffffff RDI: 0000000000000286 RBP: ffff88805279e240 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: 0000000000000001 R13: ffff888020c56a38 R14: 0000000000000000 R15: ffff8880ba007dd8 FS: 00007fcbbd873700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f8db16c1718 CR3: 0000000009e6d000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ieee80211_rx_h_decrypt net/mac80211/rx.c:1897 [inline] ieee80211_rx_handlers+0x44d5/0x9730 net/mac80211/rx.c:3676 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:pte_val arch/x86/include/asm/paravirt.h:389 [inline] RIP: 0010:pte_to_swp_entry include/linux/swapops.h:73 [inline] RIP: 0010:zap_pte_range mm/memory.c:1361 [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+0xa83/0x2c50 mm/memory.c:1534 Code: b8 b4 cf 89 49 81 c7 00 10 00 00 48 89 6c 24 30 c7 84 24 cc 00 00 00 00 00 00 00 48 c1 e8 03 4c 01 f0 48 89 84 24 88 00 00 00 <49> 8d 87 00 f0 ff ff 48 89 44 24 70 e8 dc ee d6 ff 48 8b 44 24 30 RSP: 0018:ffff88801559f770 EFLAGS: 00000206 ORIG_RAX: ffffffffffffff13 RAX: 00007fcbbe366000 RBX: 00007fcbbe400000 RCX: ffffffff818b9c86 RDX: 00007fcbbe365000 RSI: ffff88805279e240 RDI: 0000000000000006 RBP: ffffea000245dbb0 R08: 0000000000000000 R09: 00007fcbbe400000 R10: 0000000000000006 R11: 0000000000000000 R12: dead000000000100 R13: ffffea000245db80 R14: dffffc0000000000 R15: 00007fcbbe366000 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: 0033:0x7fcbbef1f0e9 Code: Bad RIP value. RSP: 002b:00007fcbbd873218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 00007fcbbf032038 RCX: 00007fcbbef1f0e9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fcbbf032038 RBP: 00007fcbbf032030 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcbbf03203c R13: 00007ffeed84c14f R14: 00007fcbbd873300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 3528 Comm: kworker/u4:1 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_purge_orig RIP: 0010:__lock_acquire+0x25d/0x3ff0 kernel/locking/lockdep.c:3322 Code: 85 c0 0f 84 38 ff ff ff 48 8d b8 38 01 00 00 be 04 00 00 00 48 89 44 24 10 e8 bf 54 4d 00 48 8b 44 24 10 f0 ff 80 38 01 00 00 <49> 8d b5 80 08 00 00 48 ba 00 00 00 00 00 fc ff df 48 89 f1 48 89 RSP: 0018:ffff888048a779d0 EFLAGS: 00000006 RAX: ffffffff8cde0f40 RBX: 0000000000000000 RCX: ffffffff814afa31 RDX: fffffbfff19bc210 RSI: 0000000000000004 RDI: ffffffff8cde1078 RBP: 0000000000000000 R08: 0000000000000001 R09: fffffbfff19bc20f R10: ffffffff8cde107b R11: 0000000000000000 R12: 0000000000000000 R13: ffff888097ec43c0 R14: ffff888010efbf28 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c0079a1000 CR3: 00000000aae54000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: lock_acquire+0x170/0x3c0 kernel/locking/lockdep.c:3908 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:135 [inline] _raw_spin_lock_bh+0x2f/0x40 kernel/locking/spinlock.c:168 spin_lock_bh include/linux/spinlock.h:334 [inline] batadv_purge_orig_ref+0x16d/0x1110 net/batman-adv/originator.c:1363 batadv_purge_orig+0x17/0x60 net/batman-adv/originator.c:1392 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), 6 bytes skipped: 0: df c7 ffreep %st(7) 2: 85 84 08 00 00 00 00 test %eax,0x0(%rax,%rcx,1) 9: 00 00 add %al,(%rax) b: 48 c1 e8 03 shr $0x3,%rax f: 80 3c 10 00 cmpb $0x0,(%rax,%rdx,1) 13: 75 63 jne 0x78 15: 48 83 3d 45 cc a6 08 cmpq $0x0,0x8a6cc45(%rip) # 0x8a6cc62 1c: 00 1d: 74 2c je 0x4b 1f: 48 89 df mov %rbx,%rdi 22: 57 push %rdi 23: 9d popfq * 24: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) <-- trapping instruction 29: 48 83 c4 08 add $0x8,%rsp 2d: 44 89 e0 mov %r12d,%eax 30: 5b pop %rbx 31: 5d pop %rbp 32: 41 5c pop %r12 34: c3 retq 35: 48 83 c4 08 add $0x8,%rsp 39: 41 rex.B