program: r0 = fsopen(&(0x7f0000000240)='ceph\x00', 0x0) ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, 0x0) syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000080)='./file0\x00', 0x20044e, &(0x7f00000000c0)={[{@minixdf}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x1ff}}, {@stripe}, {@noblock_validity}, {@noinit_itable}]}, 0x3, 0x451, &(0x7f0000000680)="$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") (async) mount$9p_virtio(&(0x7f0000000b00), &(0x7f0000000b40)='./file0\x00', &(0x7f0000000b80), 0x1000000, 0x0) (async) openat$dir(0xffffffffffffff9c, &(0x7f0000000bc0)='./file0\x00', 0x200000, 0x0) umount2(&(0x7f0000000c00)='./file0\x00', 0x1) (async) chdir(&(0x7f0000000c40)='./file0\x00') (async) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000c80)='memory.events\x00', 0x275a, 0x0) fsconfig$FSCONFIG_SET_STRING(r0, 0x1, &(0x7f0000000040)='source\x00\xb4\xbe\xe4\xd5\x05>\xbbZWr\x87\xa8?\x9c[\xffi\xba\x90\xd0\x96~\xa4Z\xa7\v\xef\xaed\xd8\xa3\xc9\xa8ukE\xd3\x7f\xfe\x10\x7fr\xa2\x1c\xb6\xd5F;\xcb\xae\x16', &(0x7f00000005c0)='client.admin@00000000-0000-0000-0000-000000000000.ceph=/\x00', 0x0) fsconfig$FSCONFIG_SET_STRING(r0, 0x1, &(0x7f0000000600)='mon_addr\x00', &(0x7f0000000640)='12789\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0) [ 108.495269][ T4650] Bluetooth: hci0: command tx timeout [ 108.592909][ T5322] loop0: detected capacity change from 0 to 512 [ 108.595992][ T5322] ======================================================= [ 108.595992][ T5322] WARNING: The mand mount option has been deprecated and [ 108.595992][ T5322] and is ignored by this kernel. Remove the mand [ 108.595992][ T5322] option from the mount to silence this warning. [ 108.595992][ T5322] ======================================================= [ 108.607652][ T5322] EXT4-fs: The data=journal mount option is deprecated and support will be removed in January 2028 [ 108.607665][ T5322] EXT4-fs: Warning: mounting with data=journal disables delayed allocation, dioread_nolock, O_DIRECT and fast_commit support! [ 108.607708][ T5322] EXT4-fs (loop0): encrypted files will use data=ordered instead of data journaling mode [ 108.664832][ T5323] libceph: resolve '12789' (ret=-3): failed [ 108.680341][ T5322] EXT4-fs (loop0): 1 truncate cleaned up [ 108.685818][ T5322] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 108.704567][ T5323] ------------[ cut here ]------------ [ 108.704579][ T5323] kernel BUG at net/ceph/mon_client.c:211! [ 108.704702][ T5323] Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI [ 108.712380][ T5323] CPU: 0 UID: 0 PID: 5323 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 108.716270][ T5323] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 108.720646][ T5323] RIP: 0010:__open_session+0x799/0x940 [ 108.723132][ T5323] 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 c2 28 94 f6 e9 be fd ff ff e8 38 a8 21 f6 90 <0f> 0b 4d 89 ee 48 8b 04 24 42 0f b6 04 38 84 c0 0f 85 2f 01 00 00 [ 108.731578][ T5323] RSP: 0018:ffffc9000f65fae8 EFLAGS: 00010293 [ 108.734259][ T5323] RAX: ffffffff8ba68e08 RBX: ffff888035524290 RCX: ffff888000e38000 [ 108.737755][ T5323] RDX: 0000000000000000 RSI: ffffffff91593f40 RDI: 0000000000000000 [ 108.741143][ T5323] RBP: 00000000ffffffff R08: ffff888000e38000 R09: 0000000000000002 [ 108.744415][ T5323] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 [ 108.747657][ T5323] R13: ffff888035524400 R14: ffff888035524298 R15: dffffc0000000000 [ 108.750911][ T5323] FS: 00007f26bdf156c0(0000) GS:ffff88808b0b0000(0000) knlGS:0000000000000000 [ 108.754516][ T5323] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 108.757415][ T5323] CR2: 00007f9832c00b50 CR3: 000000004610c000 CR4: 0000000000352ef0 [ 108.760914][ T5323] Call Trace: [ 108.762393][ T5323] [ 108.763757][ T5323] ceph_monc_open_session+0x56/0x1a0 [ 108.766153][ T5323] __ceph_open_session+0x16d/0x640 [ 108.768441][ T5323] ? bdi_register_va+0x58d/0x740 [ 108.770656][ T5323] ? ceph_get_tree+0x885/0x1a40 [ 108.772734][ T5323] ? __pfx___mutex_lock+0x10/0x10 [ 108.775038][ T5323] ? __pfx___ceph_open_session+0x10/0x10 [ 108.777272][ T5323] ? __pfx_woken_wake_function+0x10/0x10 [ 108.779527][ T5323] ? ceph_mdsc_init+0xce5/0xde0 [ 108.781675][ T5323] ceph_get_tree+0xaef/0x1a40 [ 108.783962][ T5323] vfs_get_tree+0x92/0x2a0 [ 108.786135][ T5323] vfs_cmd_create+0xa2/0x200 [ 108.788143][ T5323] __se_sys_fsconfig+0x6b9/0x810 [ 108.790444][ T5323] ? __pfx___se_sys_fsconfig+0x10/0x10 [ 108.793015][ T5323] ? rcu_is_watching+0x16/0xb0 [ 108.795233][ T5323] ? __x64_sys_fsconfig+0x20/0xc0 [ 108.797474][ T5323] do_syscall_64+0x166/0x520 [ 108.799538][ T5323] ? trace_irq_disable+0x3b/0x140 [ 108.801736][ T5323] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 108.804430][ T5323] ? clear_bhb_loop+0x70/0xc0 [ 108.806562][ T5323] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 108.809245][ T5323] RIP: 0033:0x7f26bcf9f559 [ 108.811107][ T5323] 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 [ 108.818952][ T5323] RSP: 002b:00007f26bdf14fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000001af [ 108.822339][ T5323] RAX: ffffffffffffffda RBX: 00007f26bd226090 RCX: 00007f26bcf9f559 [ 108.825607][ T5323] RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000003 [ 108.828858][ T5323] RBP: 00007f26bd036b20 R08: 0000000000000000 R09: 0000000000000000 [ 108.832042][ T5323] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 108.835528][ T5323] R13: 00007f26bd226128 R14: 00007f26bd226090 R15: 00007ffc11965248 [ 108.838836][ T5323] [ 108.840254][ T5323] Modules linked in: [ 108.842466][ T5323] ---[ end trace 0000000000000000 ]--- [ 108.950363][ T5323] RIP: 0010:__open_session+0x799/0x940 [ 108.950460][ T5323] 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 c2 28 94 f6 e9 be fd ff ff e8 38 a8 21 f6 90 <0f> 0b 4d 89 ee 48 8b 04 24 42 0f b6 04 38 84 c0 0f 85 2f 01 00 00 [ 108.950471][ T5323] RSP: 0018:ffffc9000f65fae8 EFLAGS: 00010293 [ 108.950482][ T5323] RAX: ffffffff8ba68e08 RBX: ffff888035524290 RCX: ffff888000e38000 [ 108.950490][ T5323] RDX: 0000000000000000 RSI: ffffffff91593f40 RDI: 0000000000000000 [ 108.950497][ T5323] RBP: 00000000ffffffff R08: ffff888000e38000 R09: 0000000000000002 [ 108.950504][ T5323] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 [ 108.980318][ T5323] R13: ffff888035524400 R14: ffff888035524298 R15: dffffc0000000000 [ 108.980331][ T5323] FS: 00007f26bdf156c0(0000) GS:ffff88808b0b0000(0000) knlGS:0000000000000000 [ 108.980341][ T5323] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 108.980348][ T5323] CR2: 0000562d93f50ef8 CR3: 000000004610c000 CR4: 0000000000352ef0 [ 108.980382][ T5323] Kernel panic - not syncing: Fatal exception [ 108.998105][ T5323] Kernel Offset: disabled [ 108.999948][ T5323] Rebooting in 86400 seconds..