program: r0 = fsopen(&(0x7f0000000240)='ceph\x00', 0x0) fsconfig$FSCONFIG_SET_STRING(r0, 0x1, &(0x7f0000000340)='source\x00', &(0x7f00000005c0)='client.admin@00000000-0000-0000-0000-000000000000.ceph=/\x00', 0x0) fsconfig$FSCONFIG_SET_STRING(r0, 0x1, &(0x7f0000000600)='mon_addr\x00', &(0x7f0000000640)='127.0. .1:6789\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0) [ 92.704950][ T5279] Bluetooth: hci0: command tx timeout [ 92.736569][ T10] cfg80211: failed to load regulatory.db [ 92.828454][ T5315] libceph: resolve '127.0. .1' (ret=-3): failed [ 92.858286][ T5315] ------------[ cut here ]------------ [ 92.858299][ T5315] kernel BUG at net/ceph/mon_client.c:211! [ 92.858358][ T5315] Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI [ 92.865192][ T5315] CPU: 0 UID: 0 PID: 5315 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 92.869131][ T5315] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 92.873297][ T5315] RIP: 0010:__open_session+0x799/0x940 [ 92.875934][ T5315] 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 52 e1 94 f6 e9 be fd ff ff e8 a8 60 22 f6 90 <0f> 0b 4d 89 ee 48 8b 04 24 42 0f b6 04 38 84 c0 0f 85 2f 01 00 00 [ 92.884390][ T5315] RSP: 0018:ffffc9000e5dfae8 EFLAGS: 00010287 [ 92.887204][ T5315] RAX: ffffffff8ba5c0d8 RBX: ffff888013880290 RCX: 0000000000100000 [ 92.890642][ T5315] RDX: ffffc9000ee82000 RSI: 0000000000004802 RDI: 0000000000004803 [ 92.894070][ T5315] RBP: 00000000ffffffff R08: ffff888035190000 R09: 0000000000000002 [ 92.897375][ T5315] R10: 0000000000000001 R11: 0000000000000002 R12: 0000000000000000 [ 92.901223][ T5315] R13: ffff888013880400 R14: ffff888013880298 R15: dffffc0000000000 [ 92.904726][ T5315] FS: 00007f793add56c0(0000) GS:ffff88808b0b4000(0000) knlGS:0000000000000000 [ 92.908586][ T5315] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 92.911446][ T5315] CR2: 00007f793a217308 CR3: 000000001486f000 CR4: 0000000000352ef0 [ 92.914671][ T5315] Call Trace: [ 92.916281][ T5315] [ 92.917561][ T5315] ceph_monc_open_session+0x56/0x1a0 [ 92.919808][ T5315] __ceph_open_session+0x16d/0x5e0 [ 92.922123][ T5315] ? bdi_register_va+0x58d/0x740 [ 92.924200][ T5315] ? ceph_get_tree+0x885/0x1a40 [ 92.926268][ T5315] ? __pfx___mutex_lock+0x10/0x10 [ 92.928555][ T5315] ? __pfx___ceph_open_session+0x10/0x10 [ 92.930974][ T5315] ? __pfx_woken_wake_function+0x10/0x10 [ 92.933144][ T5315] ? ceph_mdsc_init+0xce5/0xde0 [ 92.934950][ T5315] ceph_get_tree+0xaef/0x1a40 [ 92.936589][ T5315] vfs_get_tree+0x92/0x2a0 [ 92.938245][ T5315] vfs_cmd_create+0xa2/0x200 [ 92.940256][ T5315] __se_sys_fsconfig+0x6b9/0x810 [ 92.942394][ T5315] ? __pfx___se_sys_fsconfig+0x10/0x10 [ 92.944985][ T5315] ? rcu_is_watching+0x16/0xb0 [ 92.947149][ T5315] ? __x64_sys_fsconfig+0x20/0xc0 [ 92.949576][ T5315] do_syscall_64+0x166/0x520 [ 92.951659][ T5315] ? trace_irq_disable+0x3b/0x140 [ 92.953945][ T5315] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 92.956732][ T5315] ? clear_bhb_loop+0x70/0xc0 [ 92.958876][ T5315] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 92.961533][ T5315] RIP: 0033:0x7f7939f9e2d9 [ 92.963662][ T5315] 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 [ 92.973287][ T5315] RSP: 002b:00007f793add4fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000001af [ 92.977629][ T5315] RAX: ffffffffffffffda RBX: 00007f793a225fa0 RCX: 00007f7939f9e2d9 [ 92.981269][ T5315] RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000003 [ 92.984619][ T5315] RBP: 00007f793a035888 R08: 0000000000000000 R09: 0000000000000000 [ 92.987952][ T5315] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 92.991338][ T5315] R13: 00007f793a226038 R14: 00007f793a225fa0 R15: 00007ffda4c92678 [ 92.994686][ T5315] [ 92.996050][ T5315] Modules linked in: [ 92.998322][ T5315] ---[ end trace 0000000000000000 ]--- [ 93.005630][ T5315] RIP: 0010:__open_session+0x799/0x940 [ 93.005660][ T5315] 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 52 e1 94 f6 e9 be fd ff ff e8 a8 60 22 f6 90 <0f> 0b 4d 89 ee 48 8b 04 24 42 0f b6 04 38 84 c0 0f 85 2f 01 00 00 [ 93.005670][ T5315] RSP: 0018:ffffc9000e5dfae8 EFLAGS: 00010287 [ 93.005683][ T5315] RAX: ffffffff8ba5c0d8 RBX: ffff888013880290 RCX: 0000000000100000 [ 93.005692][ T5315] RDX: ffffc9000ee82000 RSI: 0000000000004802 RDI: 0000000000004803 [ 93.005700][ T5315] RBP: 00000000ffffffff R08: ffff888035190000 R09: 0000000000000002 [ 93.005708][ T5315] R10: 0000000000000001 R11: 0000000000000002 R12: 0000000000000000 [ 93.005715][ T5315] R13: ffff888013880400 R14: ffff888013880298 R15: dffffc0000000000 [ 93.005725][ T5315] FS: 00007f793add56c0(0000) GS:ffff88808b0b4000(0000) knlGS:0000000000000000 [ 93.005735][ T5315] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 93.005743][ T5315] CR2: 00007f793a1f56b8 CR3: 000000001486f000 CR4: 0000000000352ef0 [ 93.005787][ T5315] Kernel panic - not syncing: Fatal exception [ 93.050919][ T5315] Kernel Offset: disabled [ 93.052887][ T5315] Rebooting in 86400 seconds..