WARNING: CPU: 0 PID: 2889 at lib/iov_iter.c:918 iov_iter_revert+0x2ee/0xaa0 lib/iov_iter.c:918 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 2889 Comm: syz-executor5 Not tainted 4.18.0-rc3+ #133 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c9/0x2b4 lib/dump_stack.c:113 panic+0x238/0x4e7 kernel/panic.c:184 __warn.cold.8+0x163/0x1ba kernel/panic.c:536 report_bug+0x252/0x2d0 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:178 [inline] do_error_trap+0x1fc/0x4d0 arch/x86/kernel/traps.c:296 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:316 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:992 RIP: 0010:iov_iter_revert+0x2ee/0xaa0 lib/iov_iter.c:918 Code: 74 24 08 4d 89 7d 20 48 89 de 49 83 c7 01 4c 89 f7 e8 c6 60 1f fe 49 39 de 72 b7 e8 0c 60 1f fe e9 3b ff ff ff e8 02 60 1f fe <0f> 0b e9 3a ff ff ff e8 f6 5f 1f fe 49 8d 7d 18 48 b8 00 00 00 00 RSP: 0018:ffff88019505f788 EFLAGS: 00010212 RAX: 0000000000040000 RBX: 00000000ffffffff RCX: ffffc90006839000 RDX: 00000000000002eb RSI: ffffffff835cabce RDI: 0000000000000007 RBP: ffff88019505f7e8 R08: ffff8801d71a4740 R09: 0000000000000006 R10: ffff8801d71a4740 R11: 0000000000000000 R12: 0000000000000001 R13: ffff88019505fad0 R14: 0000000000000020 R15: ffff880190f305c0 tls_sw_sendmsg+0xf10/0x12c0 net/tls/tls_sw.c:448 inet_sendmsg+0x1a1/0x690 net/ipv4/af_inet.c:798 sock_sendmsg_nosec net/socket.c:641 [inline] sock_sendmsg+0xd5/0x120 net/socket.c:651 sock_write_iter+0x362/0x5c0 net/socket.c:920 call_write_iter include/linux/fs.h:1793 [inline] new_sync_write fs/read_write.c:474 [inline] __vfs_write+0x6c6/0x9f0 fs/read_write.c:487 vfs_write+0x1f8/0x560 fs/read_write.c:549 ksys_write+0x101/0x260 fs/read_write.c:598 __do_sys_write fs/read_write.c:610 [inline] __se_sys_write fs/read_write.c:607 [inline] __x64_sys_write+0x73/0xb0 fs/read_write.c:607 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x455ba9 Code: 1d ba 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 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f88a23f6c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f88a23f76d4 RCX: 0000000000455ba9 RDX: 0000000000000020 RSI: 0000000020000280 RDI: 0000000000000013 RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000004c2870 R14: 00000000004d41c0 R15: 0000000000000000 Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..