------------[ cut here ]------------ kernel BUG at fs/pipe.c:562! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 22227 Comm: syz-executor.2 Not tainted 5.4.0-rc2-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:pipe_poll+0x275/0x350 fs/pipe.c:562 Code: c2 03 38 ca 7c 08 84 c9 0f 85 ab 00 00 00 8b 93 d4 00 00 00 85 d2 75 03 83 c8 08 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d c3 <0f> 0b 48 89 75 d0 e8 20 76 f5 ff 48 8b 75 d0 e9 1e fe ff ff 48 89 RSP: 0018:ffff88808a127748 EFLAGS: 00010217 RAX: 0000000000000000 RBX: ffff8880a3bce280 RCX: 0000000000000010 RDX: 00000000ffffffff RSI: ffff88808a127900 RDI: ffff8880a3bce350 RBP: ffff88808a127780 R08: ffff888097e6ba00 R09: ffffffff81a67bf0 R10: fffffbfff13146a8 R11: ffffffff898a3547 R12: ffff888097e6ba00 R13: 0000000000000280 R14: ffff8880a3bce300 R15: 0000000000000281 FS: 00007fd4a9b9c700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020200000 CR3: 00000000907dc000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: vfs_poll include/linux/poll.h:90 [inline] do_select+0x8d9/0x11a0 fs/select.c:534 core_sys_select+0x40e/0x680 fs/select.c:677 do_pselect fs/select.c:759 [inline] __do_sys_pselect6 fs/select.c:784 [inline] __se_sys_pselect6 fs/select.c:769 [inline] __x64_sys_pselect6+0x2f1/0x430 fs/select.c:769 do_syscall_64+0xca/0x5d0 arch/x86/entry/common.c:290 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:00007fd4a9b9bc78 EFLAGS: 00000246 ORIG_RAX: 000000000000010e RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 000000000045a679 RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000040 RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000020000140 R11: 0000000000000246 R12: 00007fd4a9b9c6d4 R13: 00000000004c811d R14: 00000000004de930 R15: 00000000ffffffff Modules linked in: ---[ end trace 91cca8a5cbf57005 ]--- RIP: 0010:pipe_poll+0x275/0x350 fs/pipe.c:562 Code: c2 03 38 ca 7c 08 84 c9 0f 85 ab 00 00 00 8b 93 d4 00 00 00 85 d2 75 03 83 c8 08 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d c3 <0f> 0b 48 89 75 d0 e8 20 76 f5 ff 48 8b 75 d0 e9 1e fe ff ff 48 89 RSP: 0018:ffff88808a127748 EFLAGS: 00010217 RAX: 0000000000000000 RBX: ffff8880a3bce280 RCX: 0000000000000010 RDX: 00000000ffffffff RSI: ffff88808a127900 RDI: ffff8880a3bce350 RBP: ffff88808a127780 R08: ffff888097e6ba00 R09: ffffffff81a67bf0 R10: fffffbfff13146a8 R11: ffffffff898a3547 R12: ffff888097e6ba00 R13: 0000000000000280 R14: ffff8880a3bce300 R15: 0000000000000281 FS: 00007fd4a9b9c700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020200000 CR3: 00000000907dc000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400