------------[ cut here ]------------
kernel BUG at fs/pipe.c:582!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 12619 Comm: syz-executor.1 Not tainted 5.4.0-next-20191205-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:pipe_poll+0x37f/0x400 fs/pipe.c:582
Code: ff 85 db 75 09 e8 b1 b2 b5 ff 41 83 ce 08 e8 a8 b2 b5 ff 44 89 f0 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 91 b2 b5 ff <0f> 0b e8 2a 55 f3 ff e9 ed fc ff ff e8 20 55 f3 ff e9 b3 fd ff ff
RSP: 0018:ffffc90002c87698 EFLAGS: 00010212
RAX: 0000000000040000 RBX: ffff888097de0000 RCX: ffffc90006be9000
RDX: 0000000000002dbd RSI: ffffffff81bf45df RDI: 0000000000000004
RBP: ffffc90002c876d0 R08: ffff8880a6eec4c0 R09: ffff8880a6eecd58
R10: fffffbfff15014f0 R11: ffffffff8a80a787 R12: ffff888094be7280
R13: 00000000ffffffff R14: 0000000000000001 R15: 0000000000000028
FS:  00007fa36296a700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000738008 CR3: 00000000a1bdf000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 vfs_poll include/linux/poll.h:90 [inline]
 do_select+0x922/0x16f0 fs/select.c:534
 core_sys_select+0x444/0x9e0 fs/select.c:677
 do_pselect.constprop.0+0x199/0x1e0 fs/select.c:759
 __do_sys_pselect6 fs/select.c:784 [inline]
 __se_sys_pselect6 fs/select.c:769 [inline]
 __x64_sys_pselect6+0x1fc/0x2e0 fs/select.c:769
 do_syscall_64+0xfa/0x790 arch/x86/entry/common.c:294
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45a679
Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fa362969c78 EFLAGS: 00000246 ORIG_RAX: 000000000000010e
RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 000000000045a679
RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000040
RBP: 000000000075c070 R08: 0000000020000200 R09: 0000000000000000
R10: 0000000020000140 R11: 0000000000000246 R12: 00007fa36296a6d4
R13: 00000000004c89d4 R14: 00000000004dffe8 R15: 00000000ffffffff
Modules linked in:
---[ end trace 7717f03a6939a5c9 ]---
RIP: 0010:pipe_poll+0x37f/0x400 fs/pipe.c:582
Code: ff 85 db 75 09 e8 b1 b2 b5 ff 41 83 ce 08 e8 a8 b2 b5 ff 44 89 f0 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 91 b2 b5 ff <0f> 0b e8 2a 55 f3 ff e9 ed fc ff ff e8 20 55 f3 ff e9 b3 fd ff ff
RSP: 0018:ffffc90002c87698 EFLAGS: 00010212
RAX: 0000000000040000 RBX: ffff888097de0000 RCX: ffffc90006be9000
RDX: 0000000000002dbd RSI: ffffffff81bf45df RDI: 0000000000000004
RBP: ffffc90002c876d0 R08: ffff8880a6eec4c0 R09: ffff8880a6eecd58
R10: fffffbfff15014f0 R11: ffffffff8a80a787 R12: ffff888094be7280
R13: 00000000ffffffff R14: 0000000000000001 R15: 0000000000000028
FS:  00007fa36296a700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000046fde0 CR3: 00000000a1bdf000 CR4: 00000000001426e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400