Warning: Permanently added '10.128.0.76' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 780.029763][ T8464] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 780.038417][ T8464] gfs2: fsid=syz:syz: Now mounting FS... [ 780.049405][ T8464] gfs2: fsid=syz:syz.0: fatal: invalid metadata block [ 780.049405][ T8464] bh = 2072 (magic number) [ 780.049405][ T8464] function = gfs2_meta_indirect_buffer, file = fs/gfs2/meta_io.c, line = 488 [ 780.070752][ T8464] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 780.077991][ T8464] general protection fault, probably for non-canonical address 0xdffffc000000000e: 0000 [#1] PREEMPT SMP KASAN [ 780.089690][ T8464] KASAN: null-ptr-deref in range [0x0000000000000070-0x0000000000000077] [ 780.098083][ T8464] CPU: 1 PID: 8464 Comm: syz-executor286 Not tainted 5.10.0-rc3-syzkaller #0 [ 780.106810][ T8464] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 780.117001][ T8464] RIP: 0010:gfs2_withdraw+0x2d6/0x13c0 [ 780.122469][ T8464] Code: c1 e8 03 48 89 44 24 28 80 3c 18 00 74 08 48 89 ef e8 ee 20 5e fe 48 89 6c 24 20 48 8b 6d 00 48 83 c5 70 48 89 e8 48 c1 e8 03 <80> 3c 18 00 74 08 48 89 ef e8 cc 20 5e fe 48 8b 45 00 48 89 44 24 [ 780.142058][ T8464] RSP: 0018:ffffc9000168f488 EFLAGS: 00010202 [ 780.148106][ T8464] RAX: 000000000000000e RBX: dffffc0000000000 RCX: a9ce7695853c3800 [ 780.156075][ T8464] RDX: ffff888021e04ec0 RSI: 0000000000000000 RDI: ffff88801d768488 [ 780.164044][ T8464] RBP: 0000000000000070 R08: ffffffff8358d923 R09: ffffed10173a3fec [ 780.172070][ T8464] R10: ffffed10173a3fec R11: 0000000000000000 R12: ffffffff89ddbee0 [ 780.180057][ T8464] R13: ffff88801d7680a8 R14: 1ffff11003aed058 R15: ffff88801d768000 [ 780.188020][ T8464] FS: 000000000158d880(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 780.196923][ T8464] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 780.203482][ T8464] CR2: 00007f4bd13306c0 CR3: 000000001177d000 CR4: 00000000001506e0 [ 780.211450][ T8464] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 780.219420][ T8464] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 780.227371][ T8464] Call Trace: [ 780.230643][ T8464] ? gfs2_lm+0x16c/0x1a0 [ 780.234860][ T8464] gfs2_meta_check_ii+0x70/0x80 [ 780.239745][ T8464] gfs2_meta_indirect_buffer+0x29a/0x370 [ 780.245357][ T8464] gfs2_inode_refresh+0x65/0xc30 [ 780.250281][ T8464] inode_go_lock+0x12c/0x480 [ 780.254872][ T8464] do_promote+0x4db/0xcb0 [ 780.259190][ T8464] finish_xmote+0x88d/0x12d0 [ 780.263804][ T8464] do_xmote+0xad9/0x14c0 [ 780.268056][ T8464] gfs2_glock_nq+0xbd3/0x16a0 [ 780.272774][ T8464] ? do_raw_spin_unlock+0x134/0x8c0 [ 780.277989][ T8464] gfs2_lookupi+0x36f/0x4f0 [ 780.282478][ T8464] ? gfs2_lookupi+0x367/0x4f0 [ 780.287142][ T8464] gfs2_lookup_simple+0xa4/0x100 [ 780.292070][ T8464] init_journal+0xff/0x2110 [ 780.296608][ T8464] ? vsnprintf+0x19f5/0x1a90 [ 780.301198][ T8464] ? snprintf+0x6f/0x90 [ 780.305386][ T8464] ? _raw_spin_unlock+0x24/0x40 [ 780.310231][ T8464] gfs2_fill_super+0x2725/0x3db0 [ 780.315143][ T8464] ? gfs2_glock_nq_num+0xaa/0x1d0 [ 780.320137][ T8464] ? snprintf+0x6f/0x90 [ 780.324420][ T8464] ? set_blocksize+0x1f5/0x3c0 [ 780.329199][ T8464] get_tree_bdev+0x3e9/0x5f0 [ 780.333775][ T8464] ? gfs2_reconfigure+0xdc0/0xdc0 [ 780.338794][ T8464] gfs2_get_tree+0x4c/0x1f0 [ 780.343287][ T8464] vfs_get_tree+0x88/0x270 [ 780.347715][ T8464] path_mount+0x17b4/0x2a20 [ 780.352209][ T8464] ? getname_flags+0x1fb/0x630 [ 780.356942][ T8464] __se_sys_mount+0x28c/0x320 [ 780.361606][ T8464] ? lockdep_hardirqs_on+0x8d/0x130 [ 780.366794][ T8464] do_syscall_64+0x2d/0x70 [ 780.371200][ T8464] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 780.377075][ T8464] RIP: 0033:0x45b4ca [ 780.380968][ T8464] Code: b8 08 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 fd ad fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 da ad fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 780.400655][ T8464] RSP: 002b:00007ffd22c18e78 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 780.409065][ T8464] RAX: ffffffffffffffda RBX: 00007ffd22c18ed0 RCX: 000000000045b4ca [ 780.417041][ T8464] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007ffd22c18e90 [ 780.425100][ T8464] RBP: 00007ffd22c18e90 R08: 00007ffd22c18ed0 R09: 00007ffd00000015 [ 780.433091][ T8464] R10: 0000000000000000 R11: 0000000000000293 R12: 000000000000091c [ 780.441039][ T8464] R13: 0000000000000004 R14: 0000000000000003 R15: 0000000000000003 [ 780.448988][ T8464] Modules linked in: [ 780.460398][ T8464] ---[ end trace e5195c29f540d3b4 ]--- [ 780.465850][ T8464] RIP: 0010:gfs2_withdraw+0x2d6/0x13c0 [ 780.471378][ T8464] Code: c1 e8 03 48 89 44 24 28 80 3c 18 00 74 08 48 89 ef e8 ee 20 5e fe 48 89 6c 24 20 48 8b 6d 00 48 83 c5 70 48 89 e8 48 c1 e8 03 <80> 3c 18 00 74 08 48 89 ef e8 cc 20 5e fe 48 8b 45 00 48 89 44 24 [ 780.491067][ T8464] RSP: 0018:ffffc9000168f488 EFLAGS: 00010202 [ 780.497114][ T8464] RAX: 000000000000000e RBX: dffffc0000000000 RCX: a9ce7695853c3800 [ 780.505109][ T8464] RDX: ffff888021e04ec0 RSI: 0000000000000000 RDI: ffff88801d768488 [ 780.513140][ T8464] RBP: 0000000000000070 R08: ffffffff8358d923 R09: ffffed10173a3fec [ 780.521145][ T8464] R10: ffffed10173a3fec R11: 0000000000000000 R12: ffffffff89ddbee0 [ 780.529134][ T8464] R13: ffff88801d7680a8 R14: 1ffff11003aed058 R15: ffff88801d768000 [ 780.537186][ T8464] FS: 000000000158d880(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 780.546213][ T8464] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 780.552892][ T8464] CR2: 00007f97a4316010 CR3: 000000001177d000 CR4: 00000000001506e0 [ 780.560942][ T8464] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 780.568938][ T8464] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 780.576963][ T8464] Kernel panic - not syncing: Fatal exception [ 780.583451][ T8464] Kernel Offset: disabled [ 780.587775][ T8464] Rebooting in 86400 seconds..