netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 wlan1: No active IBSS STAs - trying to scan for other IBSS networks with same SSID (merge) watchdog: BUG: soft lockup - CPU#0 stuck for 24s! [syz-executor.5:501] Modules linked in: irq event stamp: 3473711 hardirqs last enabled at (3473710): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] hardirqs last enabled at (3473710): [] _raw_spin_unlock_irqrestore+0x79/0xe0 kernel/locking/spinlock.c:184 hardirqs last disabled at (3473711): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (2326772): [] __do_softirq+0x678/0x980 kernel/softirq.c:318 softirqs last disabled at (2326775): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (2326775): [] irq_exit+0x215/0x260 kernel/softirq.c:412 CPU: 0 PID: 501 Comm: syz-executor.5 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:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0xa3/0xe0 kernel/locking/spinlock.c:184 Code: 48 c7 c0 88 82 f1 89 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 75 2f 48 83 3d 7c 31 d8 01 00 74 15 48 89 df 57 9d <0f> 1f 44 00 00 eb b2 e8 fb eb e6 f8 eb c0 0f 0b 0f 0b 48 c7 c7 88 RSP: 0018:ffff8880ba007bb8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff13e3051 RBX: 0000000000000286 RCX: 1ffff1100b76ddec RDX: dffffc0000000000 RSI: ffff88805bb6ef40 RDI: 0000000000000286 RBP: ffff8880ba022b40 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000022b40 R14: 0000000000000000 R15: ffff8880ba022b40 FS: 00007f3fce257700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fffb5b11427 CR3: 00000000501ef000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __mod_timer kernel/time/timer.c:1071 [inline] mod_timer+0x4ea/0x1010 kernel/time/timer.c:1114 pie_timer+0x67b/0x740 net/sched/sch_pie.c:438 call_timer_fn+0x177/0x700 kernel/time/timer.c:1338 expire_timers+0x243/0x4e0 kernel/time/timer.c:1375 __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:lock_page_memcg+0x6b/0x220 mm/memcontrol.c:1913 Code: 3d 1d 33 71 09 00 0f 84 e0 00 00 00 0f 1f 44 00 00 4c 8d 7b 38 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 c1 ea 03 80 3c 02 00 <0f> 85 78 01 00 00 4c 8b 63 38 4d 89 fd 49 be 00 00 00 00 00 fc ff RSP: 0018:ffff88804679f6c0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: dffffc0000000000 RBX: ffffea00023dd340 RCX: ffffffff81518c83 RDX: 1ffffd400047ba6f RSI: 0000000000000004 RDI: ffff8880ba022ad0 RBP: ffffea00023dd340 R08: 0000000000000000 R09: ffffed101740455a R10: ffff8880ba022ad3 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: ffffea00023dd340 R15: ffffea00023dd378 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 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: 0033:0x7f3fcf924109 Code: Bad RIP value. RSP: 002b:00007f3fce257218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: 0000000000000001 RBX: 00007f3fcfa37108 RCX: 00007f3fcf924109 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f3fcfa3710c RBP: 00007f3fcfa37100 R08: 000000eb25eee564 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 00007f3fcfa3710c R13: 00007ffeefd142af R14: 00007f3fce257300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 481 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:match_held_lock kernel/locking/lockdep.c:3477 [inline] RIP: 0010:__lock_is_held+0xc7/0x160 kernel/locking/lockdep.c:3728 Code: af f7 ff ff 85 c0 75 2f 83 c5 01 41 39 af 80 08 00 00 7e 70 48 63 c5 48 8d 04 80 49 8d 1c c4 48 8d 7b 10 48 89 f8 48 c1 e8 03 <42> 80 3c 28 00 75 6e 4c 3b 73 10 75 95 83 7c 24 04 ff b8 01 00 00 RSP: 0018:ffff8880ba107a48 EFLAGS: 00000802 RAX: 1ffff110152ec146 RBX: ffff8880a9760a20 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 00000000ffffffff RDI: ffff8880a9760a30 RBP: 0000000000000007 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000005 R11: ffffffff8c66505b R12: ffff8880a9760908 R13: dffffc0000000000 R14: ffffffff89f85f20 R15: ffff8880a9760080 FS: 00007f566300c700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb56ac5e000 CR3: 0000000044100000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: lock_is_held_type+0x10d/0x210 kernel/locking/lockdep.c:3946 lock_is_held include/linux/lockdep.h:344 [inline] rcu_read_lock_sched_held+0x16c/0x1d0 kernel/rcu/update.c:118 trace_local_timer_exit arch/x86/include/asm/trace/irq_vectors.h:56 [inline] smp_apic_timer_interrupt+0x3ca/0x550 arch/x86/kernel/apic/apic.c:1097 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:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0xa3/0xe0 kernel/locking/spinlock.c:184 Code: 48 c7 c0 88 82 f1 89 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 75 2f 48 83 3d 7c 31 d8 01 00 74 15 48 89 df 57 9d <0f> 1f 44 00 00 eb b2 e8 fb eb e6 f8 eb c0 0f 0b 0f 0b 48 c7 c7 88 RSP: 0018:ffff8880ba107bb8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff13e3051 RBX: 0000000000000286 RCX: 1ffff110152ec148 RDX: dffffc0000000000 RSI: ffff8880a9760a20 RDI: 0000000000000286 RBP: ffff8880ba122b40 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000022b40 R14: 0000000000000000 R15: ffff8880ba122b40 __mod_timer kernel/time/timer.c:1071 [inline] mod_timer+0x4ea/0x1010 kernel/time/timer.c:1114 pie_timer+0x67b/0x740 net/sched/sch_pie.c:438 call_timer_fn+0x177/0x700 kernel/time/timer.c:1338 expire_timers+0x243/0x4e0 kernel/time/timer.c:1375 __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:slow_down_io arch/x86/include/asm/paravirt.h:268 [inline] RIP: 0010:outb_p arch/x86/include/asm/io.h:333 [inline] RIP: 0010:vga_io_w include/video/vga.h:209 [inline] RIP: 0010:vga_io_rgfx include/video/vga.h:388 [inline] RIP: 0010:setmode drivers/video/fbdev/vga16fb.c:124 [inline] RIP: 0010:vga_imageblit_expand drivers/video/fbdev/vga16fb.c:1161 [inline] RIP: 0010:vga16fb_imageblit+0x795/0x2260 drivers/video/fbdev/vga16fb.c:1260 Code: 8b 40 58 41 89 c7 89 c6 89 44 24 30 e8 14 0d c4 fd 45 85 ff 0f 84 1c 05 00 00 e8 96 0b c4 fd b8 05 00 00 00 ba ce 03 00 00 ee d3 ba cf 03 00 00 ec 48 c7 c2 10 82 f1 89 48 b8 00 00 00 00 00 RSP: 0018:ffff888040f86fe0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000005 RBX: ffffffff8128f470 RCX: ffffc90007058000 RDX: 00000000000003ce RSI: ffffffff839e79da RDI: 0000000000000005 RBP: ffff888040f87174 R08: 0000000000000013 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: ffff8880b0781b88 R13: ffff888238c940c0 R14: ffff888040f87190 R15: 0000000000000001 bit_putcs_unaligned drivers/video/fbdev/core/bitblit.c:139 [inline] bit_putcs+0x6e2/0xd10 drivers/video/fbdev/core/bitblit.c:188 fbcon_putcs+0x336/0x4f0 drivers/video/fbdev/core/fbcon.c:1269 fbcon_redraw.constprop.0+0x281/0x4b0 drivers/video/fbdev/core/fbcon.c:1631 fbcon_scroll+0x3ee/0x3440 drivers/video/fbdev/core/fbcon.c:1757 con_scroll+0x5f8/0x720 drivers/tty/vt/vt.c:637 lf+0x262/0x2b0 drivers/tty/vt/vt.c:1509 do_con_trol+0x1df/0x5970 drivers/tty/vt/vt.c:2177 do_con_write+0xbea/0x1d90 drivers/tty/vt/vt.c:2828 con_write+0x22/0xb0 drivers/tty/vt/vt.c:3163 do_output_char+0x5de/0x850 drivers/tty/n_tty.c:445 __process_echoes+0x38e/0x9f0 drivers/tty/n_tty.c:737 commit_echoes+0x148/0x210 drivers/tty/n_tty.c:792 n_tty_receive_char_fast drivers/tty/n_tty.c:1447 [inline] n_tty_receive_buf_fast drivers/tty/n_tty.c:1607 [inline] __receive_buf drivers/tty/n_tty.c:1642 [inline] n_tty_receive_buf_common+0x1eeb/0x2a90 drivers/tty/n_tty.c:1740 tty_ldisc_receive_buf+0xa9/0x190 drivers/tty/tty_buffer.c:456 paste_selection+0x1e5/0x470 drivers/tty/vt/selection.c:390 tioclinux+0x122/0x510 drivers/tty/vt/vt.c:3072 vt_ioctl+0x163e/0x2380 drivers/tty/vt/vt_ioctl.c:372 tty_ioctl+0x5b0/0x1630 drivers/tty/tty_io.c:2669 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:501 [inline] do_vfs_ioctl+0xcdb/0x12e0 fs/ioctl.c:688 ksys_ioctl+0x9b/0xc0 fs/ioctl.c:705 __do_sys_ioctl fs/ioctl.c:712 [inline] __se_sys_ioctl fs/ioctl.c:710 [inline] __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:710 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f56646b8109 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f566300c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f56647cb030 RCX: 00007f56646b8109 RDX: 0000000020000040 RSI: 000000000000541c RDI: 000000000000000b RBP: 00007f566471208d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd2da3443f R14: 00007f566300c300 R15: 0000000000022000 ---------------- Code disassembly (best guess): 0: 48 c7 c0 88 82 f1 89 mov $0xffffffff89f18288,%rax 7: 48 ba 00 00 00 00 00 movabs $0xdffffc0000000000,%rdx e: fc ff df 11: 48 c1 e8 03 shr $0x3,%rax 15: 80 3c 10 00 cmpb $0x0,(%rax,%rdx,1) 19: 75 2f jne 0x4a 1b: 48 83 3d 7c 31 d8 01 cmpq $0x0,0x1d8317c(%rip) # 0x1d8319f 22: 00 23: 74 15 je 0x3a 25: 48 89 df mov %rbx,%rdi 28: 57 push %rdi 29: 9d popfq * 2a: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) <-- trapping instruction 2f: eb b2 jmp 0xffffffe3 31: e8 fb eb e6 f8 callq 0xf8e6ec31 36: eb c0 jmp 0xfffffff8 38: 0f 0b ud2 3a: 0f 0b ud2 3c: 48 rex.W 3d: c7 .byte 0xc7 3e: c7 (bad) 3f: 88 .byte 0x88