program: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = fsopen(&(0x7f0000000000)='ceph\x00', 0x0) r2 = openat$vhost_vsock(0xffffffffffffff9c, &(0x7f0000000040), 0x2, 0x0) pipe2$9p(&(0x7f0000000600)={0xffffffffffffffff, 0xffffffffffffffff}, 0x84080) sendfile(r3, r2, 0x0, 0x0) fsconfig$FSCONFIG_SET_STRING(r1, 0x1, &(0x7f0000000100)='source\x00', &(0x7f0000000200)='client.admin@00000000-0000-0000-0000-000000000000.ceph=/\x00', 0x0) fsconfig$FSCONFIG_SET_STRING(r1, 0x1, &(0x7f0000000300)='mon_addr\x00', &(0x7f0000000400)='127.0\x00\x00.1:6789\x00', 0x0) fsconfig$FSCONFIG_SET_STRING(r1, 0x1, &(0x7f0000000500)='mount_timeout\x00', &(0x7f0000000600)='1\x00', 0x0) syz_mount_image$udf(&(0x7f00000004c0), &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000140)={[{@shortad}, {@bs={'bs', 0x3d, 0x2}}, {@gid}]}, 0x1, 0x489, &(0x7f0000000580)="$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") fsconfig$FSCONFIG_CMD_CREATE(r1, 0x6, 0x0, 0x0, 0x0) syz_mount_image$ext4(&(0x7f00000000c0)='ext4\x00', &(0x7f0000000040)='./file0\x00', 0x14000, &(0x7f0000000100)={[{@errors_remount}]}, 0x22, 0x4d5, &(0x7f0000000580)="$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") syz_mount_image$vfat(&(0x7f0000000080), &(0x7f0000000680)='./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0x380407b, 0x0, 0x1, 0x0, &(0x7f0000000140)) r4 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$IPVS_CMD_DEL_DAEMON(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000200)=ANY=[@ANYBLOB=' \x00\x00\x00', @ANYRES16=r4, @ANYBLOB="554b0000000000000000080060607fb53c250000060001800600"], 0x20}, 0x1, 0x0, 0x0, 0x1}, 0x0) [ 95.154532][ T5284] Bluetooth: hci0: command tx timeout [ 95.229881][ T5319] libceph: resolve '127.0' (ret=-3): failed [ 95.234521][ T5319] loop0: detected capacity change from 0 to 128 [ 95.337322][ T5320] loop0: detected capacity change from 0 to 512 [ 95.361273][ T5319] ------------[ cut here ]------------ [ 95.361287][ T5319] kernel BUG at net/ceph/mon_client.c:211! [ 95.361380][ T5319] Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI [ 95.372085][ T5319] CPU: 0 UID: 0 PID: 5319 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 95.375930][ T5319] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 95.380330][ T5319] RIP: 0010:__open_session+0x799/0x940 [ 95.382735][ T5319] Code: ca fd ff ff 44 89 e1 80 e1 07 38 c1 0f 8c d0 fd ff ff be 04 00 00 00 4c 89 e7 e8 a2 4e 97 f6 e9 be fd ff ff e8 28 ae 25 f6 90 <0f> 0b 4d 89 ee 48 8b 04 24 42 0f b6 04 38 84 c0 0f 85 2f 01 00 00 [ 95.393405][ T5319] RSP: 0018:ffffc9000e0d7ae8 EFLAGS: 00010287 [ 95.396234][ T5319] RAX: ffffffff8ba22d98 RBX: ffff88801285c290 RCX: 0000000000100000 [ 95.399570][ T5319] RDX: ffffc9000ee0a000 RSI: 00000000000033e0 RDI: 00000000000033e1 [ 95.402633][ T5319] RBP: 00000000ffffffff R08: ffff888031700000 R09: 0000000000000002 [ 95.405998][ T5319] R10: 0000000000000001 R11: 0000000000000002 R12: 0000000000000000 [ 95.409377][ T5319] R13: ffff88801285c400 R14: ffff88801285c298 R15: dffffc0000000000 [ 95.412794][ T5319] FS: 00007f628c1f56c0(0000) GS:ffff88808c2c6000(0000) knlGS:0000000000000000 [ 95.416562][ T5319] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 95.419359][ T5319] CR2: 00007f6283c3f000 CR3: 000000001d1a0000 CR4: 0000000000352ef0 [ 95.422669][ T5319] Call Trace: [ 95.424186][ T5319] [ 95.425630][ T5319] ceph_monc_open_session+0x56/0x1a0 [ 95.427935][ T5319] __ceph_open_session+0x16d/0x5e0 [ 95.430066][ T5319] ? bdi_register_va+0x58d/0x740 [ 95.432196][ T5319] ? ceph_get_tree+0x885/0x1a40 [ 95.434390][ T5319] ? __pfx___mutex_lock+0x10/0x10 [ 95.436633][ T5319] ? __pfx___ceph_open_session+0x10/0x10 [ 95.439009][ T5319] ? __pfx_woken_wake_function+0x10/0x10 [ 95.441474][ T5319] ? ceph_mdsc_init+0xce5/0xde0 [ 95.443567][ T5319] ceph_get_tree+0xaef/0x1a40 [ 95.445660][ T5319] vfs_get_tree+0x92/0x2a0 [ 95.447672][ T5319] vfs_cmd_create+0xa2/0x200 [ 95.449699][ T5319] __se_sys_fsconfig+0x6b9/0x810 [ 95.451764][ T5319] ? __pfx___se_sys_fsconfig+0x10/0x10 [ 95.454193][ T5319] ? rcu_is_watching+0x16/0xb0 [ 95.456390][ T5319] ? __x64_sys_fsconfig+0x20/0xc0 [ 95.458634][ T5319] do_syscall_64+0x166/0x520 [ 95.460637][ T5319] ? trace_irq_disable+0x3b/0x140 [ 95.462820][ T5319] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 95.465468][ T5319] ? clear_bhb_loop+0x70/0xc0 [ 95.467462][ T5319] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 95.469953][ T5319] RIP: 0033:0x7f628fd9e159 [ 95.471957][ T5319] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 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 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 95.479980][ T5319] RSP: 002b:00007f628c1f4fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000001af [ 95.483509][ T5319] RAX: ffffffffffffffda RBX: 00007f6290025fa0 RCX: 00007f628fd9e159 [ 95.486549][ T5319] RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000004 [ 95.489925][ T5319] RBP: 00007f628fe3503b R08: 0000000000000000 R09: 0000000000000000 [ 95.493311][ T5319] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 95.496787][ T5319] R13: 00007f6290026038 R14: 00007f6290025fa0 R15: 00007ffedb636358 [ 95.500172][ T5319] [ 95.501472][ T5319] Modules linked in: [ 95.507024][ T5319] ---[ end trace 0000000000000000 ]--- [ 95.553127][ T5319] RIP: 0010:__open_session+0x799/0x940 [ 95.553166][ T5319] Code: ca fd ff ff 44 89 e1 80 e1 07 38 c1 0f 8c d0 fd ff ff be 04 00 00 00 4c 89 e7 e8 a2 4e 97 f6 e9 be fd ff ff e8 28 ae 25 f6 90 <0f> 0b 4d 89 ee 48 8b 04 24 42 0f b6 04 38 84 c0 0f 85 2f 01 00 00 [ 95.553176][ T5319] RSP: 0018:ffffc9000e0d7ae8 EFLAGS: 00010287 [ 95.553188][ T5319] RAX: ffffffff8ba22d98 RBX: ffff88801285c290 RCX: 0000000000100000 [ 95.553197][ T5319] RDX: ffffc9000ee0a000 RSI: 00000000000033e0 RDI: 00000000000033e1 [ 95.553204][ T5319] RBP: 00000000ffffffff R08: ffff888031700000 R09: 0000000000000002 [ 95.553213][ T5319] R10: 0000000000000001 R11: 0000000000000002 R12: 0000000000000000 [ 95.553220][ T5319] R13: ffff88801285c400 R14: ffff88801285c298 R15: dffffc0000000000 [ 95.553228][ T5319] FS: 00007f628c1f56c0(0000) GS:ffff88808c2c6000(0000) knlGS:0000000000000000 [ 95.553238][ T5319] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 95.553244][ T5319] CR2: 0000560817787660 CR3: 000000001d1a0000 CR4: 0000000000352ef0 [ 95.553295][ T5319] Kernel panic - not syncing: Fatal exception [ 95.597832][ T5319] Kernel Offset: disabled [ 95.599887][ T5319] Rebooting in 86400 seconds..