netlink: 3 bytes leftover after parsing attributes in process `syz-executor1'. watchdog: BUG: soft lockup - CPU#0 stuck for 134s! [syz-executor5:5131] Modules linked in: irq event stamp: 3084116 hardirqs last enabled at (3084115): [<0000000088d3fadc>] snd_pcm_stream_unlock_irq+0x78/0xe0 sound/core/pcm_native.c:166 hardirqs last disabled at (3084116): [<00000000bb1c3ee2>] apic_timer_interrupt+0xa4/0xb0 arch/x86/entry/entry_64.S:920 softirqs last enabled at (1258310): [<000000003874e5c2>] __do_softirq+0x637/0x99f kernel/softirq.c:311 softirqs last disabled at (1258241): [<0000000027596899>] invoke_softirq kernel/softirq.c:365 [inline] softirqs last disabled at (1258241): [<0000000027596899>] irq_exit+0x1cc/0x200 kernel/softirq.c:405 CPU: 0 PID: 5131 Comm: syz-executor5 Not tainted 4.15.0-rc6-mm1+ #50 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:bytes_is_nonzero mm/kasan/kasan.c:167 [inline] RIP: 0010:memory_is_nonzero mm/kasan/kasan.c:184 [inline] RIP: 0010:memory_is_poisoned_n mm/kasan/kasan.c:210 [inline] RIP: 0010:memory_is_poisoned mm/kasan/kasan.c:241 [inline] RIP: 0010:check_memory_region_inline mm/kasan/kasan.c:257 [inline] RIP: 0010:check_memory_region+0x67/0x190 mm/kasan/kasan.c:267 RSP: 0018:ffff8801c687f900 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff11 RAX: fffff520002ed8e0 RBX: ffffc9000176c701 RCX: ffffffff83b7d25e RDX: 0000000000000001 RSI: 0000000000000002 RDI: ffffc9000176c700 RBP: ffff8801c687f910 R08: 1ffff920002ed8e0 R09: fffff520002ed8e0 R10: 0000000000000001 R11: fffff520002ed8e0 R12: fffff520002ed8e1 R13: ffff8801c687fa00 R14: ffff8801cc09d200 R15: dffffc0000000000 FS: 00007f8d8659d700(0000) GS:ffff8801db400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000201a3000 CR3: 00000001c7f0c002 CR4: 00000000001606f0 DR0: 0000000020000000 DR1: 0000000020000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: memcpy+0x37/0x50 mm/kasan/kasan.c:303 memcpy include/linux/string.h:344 [inline] cvt_s16_to_native sound/core/oss/mulaw.c:164 [inline] mulaw_decode+0x50e/0x740 sound/core/oss/mulaw.c:195 mulaw_transfer+0x222/0x270 sound/core/oss/mulaw.c:273 snd_pcm_plug_write_transfer+0x20b/0x390 sound/core/oss/pcm_plugin.c:611 snd_pcm_oss_write2+0x22e/0x3c0 sound/core/oss/pcm_oss.c:1311 snd_pcm_oss_write1 sound/core/oss/pcm_oss.c:1372 [inline] snd_pcm_oss_write+0x4c1/0x690 sound/core/oss/pcm_oss.c:2646 __vfs_write+0xef/0x740 fs/read_write.c:480 vfs_write+0x189/0x510 fs/read_write.c:544 SYSC_write fs/read_write.c:589 [inline] SyS_write+0xd4/0x1a0 fs/read_write.c:581 entry_SYSCALL_64_fastpath+0x23/0x9a RIP: 0033:0x452ac9 RSP: 002b:00007f8d8659cc58 EFLAGS: 00000212 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000452ac9 RDX: 00000000fffffee4 RSI: 0000000020735ee0 RDI: 0000000000000014 RBP: 00000000000003a3 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f37e8 R13: 00000000ffffffff R14: 00007f8d8659d6d4 R15: 0000000000000008 Code: 49 89 db 49 c1 eb 03 4d 01 cb 4d 01 c1 4d 8d 63 01 4c 89 c8 4d 89 e2 4d 29 ca 49 83 fa 10 7f 3d 4d 85 d2 74 33 41 80 39 00 75 21 <48> b8 01 00 00 00 00 fc ff df 4d 01 d1 49 01 c0 4d 39 c1 4c 89