9pnet: Insufficient options for proto=fd libceph: mon0 [::1]:6789 socket error on write WARNING: CPU: 0 PID: 11071 at net/ceph/messenger.c:3101 clear_standby+0x16f/0x1b0 net/ceph/messenger.c:3101 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 11071 Comm: syz-executor5 Not tainted 4.19.0-rc4+ #25 kobject: 'ceph-8' (00000000acda391d): kobject_uevent_env 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+0x1c4/0x2b4 lib/dump_stack.c:113 panic+0x238/0x4e7 kernel/panic.c:184 __warn.cold.8+0x163/0x1ba kernel/panic.c:536 kobject: 'ceph-8' (00000000acda391d): fill_kobj_path: path = '/devices/virtual/bdi/ceph-8' report_bug+0x254/0x2d0 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:993 RIP: 0010:clear_standby+0x16f/0x1b0 net/ceph/messenger.c:3101 libceph: mon0 [::1]:6789 socket error on write Code: e9 03 ff ff ff e8 c1 be e1 f9 48 89 da 48 c7 c6 80 c4 c2 88 48 c7 c7 b0 73 2f 8a e8 9b e0 04 fc e9 fe fe ff ff e8 a1 be e1 f9 <0f> 0b eb 8f 4c 89 ef e8 85 1f 25 fa e9 b3 fe ff ff 4c 89 ef e8 78 RSP: 0018:ffff8801caf2f650 EFLAGS: 00010212 RAX: 0000000000040000 RBX: ffff8801979184a8 RCX: ffffc90006081000 RDX: 0000000000009408 RSI: ffffffff879d15df RDI: 0000000000000007 RBP: ffff8801caf2f668 R08: ffff88018e08e700 R09: ffffed0032f230c5 R10: ffff8801caf2f668 R11: ffff88019791862f R12: 0000000000000001 R13: ffff8801979185e0 R14: ffff8801c798cb90 R15: ffff8801caf2f748 ceph_con_send+0x476/0x940 net/ceph/messenger.c:3136 WARNING: CPU: 1 PID: 11081 at net/ceph/messenger.c:3101 clear_standby+0x16f/0x1b0 net/ceph/messenger.c:3101 Modules linked in: CPU: 1 PID: 11081 Comm: syz-executor2 Not tainted 4.19.0-rc4+ #25 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:clear_standby+0x16f/0x1b0 net/ceph/messenger.c:3101 Code: e9 03 ff ff ff e8 c1 be e1 f9 48 89 da 48 c7 c6 80 c4 c2 88 48 c7 c7 b0 73 2f 8a e8 9b e0 04 fc e9 fe fe ff ff e8 a1 be e1 f9 <0f> 0b eb 8f 4c 89 ef e8 85 1f 25 fa e9 b3 fe ff ff 4c 89 ef e8 78 __send_prepared_auth_request+0x155/0x1b0 net/ceph/mon_client.c:111 RSP: 0018:ffff880193d4f650 EFLAGS: 00010246 __open_session+0x3e9/0x650 net/ceph/mon_client.c:199 RAX: 0000000000040000 RBX: ffff8801d7fc5a28 RCX: ffffc90005e80000 ceph_monc_open_session+0x47/0x60 net/ceph/mon_client.c:448 RDX: 0000000000040000 RSI: ffffffff879d15df RDI: 0000000000000007 __ceph_open_session+0xe2/0x830 net/ceph/ceph_common.c:705 RBP: ffff880193d4f668 R08: ffff88018ef92700 R09: ffffed003aff8b75 R10: ffff880193d4f668 R11: ffff8801d7fc5baf R12: 0000000000000001 R13: ffff8801d7fc5b60 R14: ffff8801bc1f4b10 R15: ffff880193d4f748 FS: 00007f77417e0700(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000455c4a CR3: 00000001d2c6d000 CR4: 00000000001426e0 Call Trace: ceph_con_send+0x476/0x940 net/ceph/messenger.c:3136 ceph_real_mount fs/ceph/super.c:900 [inline] ceph_mount+0x1403/0x1f20 fs/ceph/super.c:1084 mount_fs+0xae/0x31d fs/super.c:1261 vfs_kern_mount.part.35+0xdc/0x4f0 fs/namespace.c:961 __send_prepared_auth_request+0x155/0x1b0 net/ceph/mon_client.c:111 __open_session+0x3e9/0x650 net/ceph/mon_client.c:199 ceph_monc_open_session+0x47/0x60 net/ceph/mon_client.c:448 vfs_kern_mount fs/namespace.c:951 [inline] do_new_mount fs/namespace.c:2457 [inline] do_mount+0x581/0x31f0 fs/namespace.c:2787 __ceph_open_session+0xe2/0x830 net/ceph/ceph_common.c:705 ceph_real_mount fs/ceph/super.c:900 [inline] ceph_mount+0x1403/0x1f20 fs/ceph/super.c:1084 ksys_mount+0x12d/0x140 fs/namespace.c:3003 __do_sys_mount fs/namespace.c:3017 [inline] __se_sys_mount fs/namespace.c:3014 [inline] __x64_sys_mount+0xbe/0x150 fs/namespace.c:3014 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 mount_fs+0xae/0x31d fs/super.c:1261 vfs_kern_mount.part.35+0xdc/0x4f0 fs/namespace.c:961 vfs_kern_mount fs/namespace.c:951 [inline] do_new_mount fs/namespace.c:2457 [inline] do_mount+0x581/0x31f0 fs/namespace.c:2787 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457679 Code: 1d b4 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 b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f294d133c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f294d1346d4 RCX: 0000000000457679 RDX: 00000000200001c0 RSI: 0000000020000180 RDI: 0000000020000240 RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff ksys_mount+0x12d/0x140 fs/namespace.c:3003 R13: 00000000004d3b58 R14: 00000000004c297a R15: 0000000000000000 __do_sys_mount fs/namespace.c:3017 [inline] __se_sys_mount fs/namespace.c:3014 [inline] __x64_sys_mount+0xbe/0x150 fs/namespace.c:3014 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457679 Code: 1d b4 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 b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f77417dfc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f77417e06d4 RCX: 0000000000457679 RDX: 00000000200001c0 RSI: 0000000020000180 RDI: 0000000020000240 RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000004d3b58 R14: 00000000004c297a R15: 0000000000000000 irq event stamp: 962 hardirqs last enabled at (961): [] queue_delayed_work_on+0xec/0x1f0 kernel/workqueue.c:1562 hardirqs last disabled at (962): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (950): [] spin_unlock_bh include/linux/spinlock.h:374 [inline] softirqs last enabled at (950): [] bdi_register_va.part.10+0x494/0x9c0 mm/backing-dev.c:893 softirqs last disabled at (948): [] spin_lock_bh include/linux/spinlock.h:334 [inline] softirqs last disabled at (948): [] bdi_register_va.part.10+0x3bf/0x9c0 mm/backing-dev.c:891 ---[ end trace 3e96f6ab58f5c2d0 ]--- Kernel Offset: disabled Rebooting in 86400 seconds..