bridge0: port 2(bridge_slave_1) entered disabled state ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 device bridge_slave_0 left promiscuous mode bridge0: port 1(bridge_slave_0) entered disabled state watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [syz-executor.0:31718] Modules linked in: irq event stamp: 5891043 hardirqs last enabled at (5891042): [] trace_hardirqs_on_thunk+0x1a/0x1c hardirqs last disabled at (5891043): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (5756980): [] __do_softirq+0x678/0x980 kernel/softirq.c:318 softirqs last disabled at (5756983): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (5756983): [] irq_exit+0x215/0x260 kernel/softirq.c:412 CPU: 1 PID: 31718 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:__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:ffff8880ba107de0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff13e3053 RBX: dffffc0000000000 RCX: 1ffff110094af945 RDX: dffffc0000000000 RSI: ffff88804a57ca08 RDI: ffff88804a57ca04 RBP: ffff8880ba122b40 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff869a4ab0 R13: ffff8880ba122b40 R14: ffff8880ba107e78 R15: 0000000000000000 FS: 00007fbe9aa2b700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555567a6848 CR3: 0000000009e6d000 CR4: 00000000003406e0 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+0x0/0x510 mm/memory.c:833 Code: e9 3a ff ff ff 48 c7 c7 50 b4 cf 89 e8 49 e0 0c 00 e9 98 fe ff ff 48 c7 c7 e8 b4 cf 89 e8 38 e0 0c 00 e9 d9 fe ff ff 0f 1f 00 <41> 57 41 56 49 89 f6 41 55 49 89 fd 41 54 55 53 48 bb 00 00 00 00 RSP: 0018:ffff88802358f768 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 RAX: ffff88804a57c180 RBX: 8000000000000007 RCX: 0000000000000001 RDX: 80000000219e6007 RSI: 00007fbe9b738000 RDI: ffff8880a12aae70 RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: 80000000219e6007 R13: ffffea00008d3cc0 R14: dffffc0000000000 R15: 00007fbe9b739000 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: 0033:0x7fbe9c0b5e99 Code: Bad RIP value. RSP: 002b:00007fbe9aa2b168 EFLAGS: 00000246 ORIG_RAX: 0000000000000029 RAX: 0000000000000005 RBX: 00007fbe9c1c8f60 RCX: 00007fbe9c0b5e99 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 000000000000000a RBP: 00007fbe9c10fff1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffee1ec6fbf R14: 00007fbe9aa2b300 R15: 0000000000022000 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), 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