EXT4-fs (loop0): Unrecognized mount option "ÿÿÿÿ" or missing value tmpfs: Bad value '5%354m' for mount option 'nr_blocks' ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 watchdog: BUG: soft lockup - CPU#1 stuck for 21s! [syz-executor.3:12955] Modules linked in: irq event stamp: 3567637 hardirqs last enabled at (3567636): [] process_backlog+0x45e/0x700 net/core/dev.c:5875 hardirqs last disabled at (3567637): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (3546344): [] __do_softirq+0x678/0x980 kernel/softirq.c:318 softirqs last disabled at (3546347): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (3546347): [] irq_exit+0x215/0x260 kernel/softirq.c:412 CPU: 1 PID: 12955 Comm: syz-executor.3 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:process_backlog+0x48e/0x700 net/core/dev.c:5844 Code: 89 48 c1 e8 03 42 80 3c 20 00 0f 85 9c 01 00 00 48 83 3d 1c 53 7a 03 00 0f 84 e3 00 00 00 e8 e9 55 eb fa fb 66 0f 1f 44 00 00 <31> ff 89 ee e8 09 57 eb fa 40 84 ed 0f 85 5f fc ff ff e9 33 fe ff RSP: 0018:ffff8880ba107db8 EFLAGS: 00000206 ORIG_RAX: ffffffffffffff13 RAX: ffff888035498080 RBX: ffff8880ba12c4c8 RCX: 1ffff11006a93125 RDX: 0000000000000100 RSI: ffffffff86772f87 RDI: ffff888035498904 RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000 R13: 0000000000000000 R14: 0000000000000040 R15: ffff8880ba12c490 FS: 00007f51a3714700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fac14b95000 CR3: 0000000009e6d000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: napi_poll net/core/dev.c:6280 [inline] net_rx_action+0x4ac/0xfb0 net/core/dev.c:6346 __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:__read_once_size include/linux/compiler.h:263 [inline] RIP: 0010:compound_head include/linux/page-flags.h:142 [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+0x124a/0x2c50 mm/memory.c:1534 Code: 39 79 18 48 0f 43 41 18 4d 85 ed 48 89 41 18 0f 84 36 fe ff ff e8 36 e7 d6 ff 49 8d 6d 08 48 89 e8 48 c1 e8 03 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 RSP: 0018:ffff8880325e7770 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: 1ffffd40004e57b1 RBX: 0000000000000001 RCX: ffff8880325e79b0 RDX: 0000000000000000 RSI: ffffffff818b9e3a RDI: ffff8880325e79c8 RBP: ffffea000272bd88 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 800000009caf6007 R13: ffffea000272bd80 R14: dffffc0000000000 R15: 00007f51a423c000 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: 0033:0x7f51a4d9efe9 Code: Bad RIP value. RSP: 002b:00007f51a3714168 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: fffffffffffffffb RBX: 00007f51a4eb1f60 RCX: 00007f51a4d9efe9 RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000006 RBP: 00007f51a4df908d R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffdffa R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd3945c6ff R14: 00007f51a3714300 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): 0: 89 48 c1 mov %ecx,-0x3f(%rax) 3: e8 03 42 80 3c callq 0x3c80420b 8: 20 00 and %al,(%rax) a: 0f 85 9c 01 00 00 jne 0x1ac 10: 48 83 3d 1c 53 7a 03 cmpq $0x0,0x37a531c(%rip) # 0x37a5334 17: 00 18: 0f 84 e3 00 00 00 je 0x101 1e: e8 e9 55 eb fa callq 0xfaeb560c 23: fb sti 24: 66 0f 1f 44 00 00 nopw 0x0(%rax,%rax,1) * 2a: 31 ff xor %edi,%edi <-- trapping instruction 2c: 89 ee mov %ebp,%esi 2e: e8 09 57 eb fa callq 0xfaeb573c 33: 40 84 ed test %bpl,%bpl 36: 0f 85 5f fc ff ff jne 0xfffffc9b 3c: e9 .byte 0xe9 3d: 33 fe xor %esi,%edi 3f: ff .byte 0xff