Warning: Permanently added '10.128.0.75' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 52.978444][ T6871] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 52.987402][ T6871] gfs2: fsid=syz:syz: Now mounting FS... [ 52.996179][ T6871] gfs2: fsid=syz:syz.0: fatal: invalid metadata block [ 52.996179][ T6871] bh = 2072 (magic number) [ 52.996179][ T6871] function = gfs2_meta_indirect_buffer, file = fs/gfs2/meta_io.c, line = 417 [ 53.016518][ T6871] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 53.023941][ T6871] general protection fault, probably for non-canonical address 0xdffffc000000000e: 0000 [#1] PREEMPT SMP KASAN [ 53.035642][ T6871] KASAN: null-ptr-deref in range [0x0000000000000070-0x0000000000000077] [ 53.044150][ T6871] CPU: 0 PID: 6871 Comm: syz-executor256 Not tainted 5.9.0-rc7-syzkaller #0 [ 53.052820][ T6871] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.063845][ T6871] RIP: 0010:gfs2_withdraw+0x2b0/0xe20 [ 53.070232][ T6871] Code: e8 03 48 89 44 24 38 42 80 3c 38 00 74 08 48 89 ef e8 b4 f5 69 fe 48 89 6c 24 20 48 8b 6d 00 48 83 c5 70 48 89 e8 48 c1 e8 03 <42> 80 3c 38 00 74 08 48 89 ef e8 91 f5 69 fe 48 8b 45 00 48 89 44 [ 53.090060][ T6871] RSP: 0018:ffffc900054974f0 EFLAGS: 00010202 [ 53.096247][ T6871] RAX: 000000000000000e RBX: ffff8880a8fd8000 RCX: 07519c3d6e1d6200 [ 53.104207][ T6871] RDX: ffff8880a191a200 RSI: 0000000000000000 RDI: ffff8880a8fd8430 [ 53.112324][ T6871] RBP: 0000000000000070 R08: ffffffff834aeb9c R09: ffffed1015d062c0 [ 53.120293][ T6871] R10: ffffed1015d062c0 R11: 0000000000000000 R12: 1ffff110151fb04d [ 53.128694][ T6871] R13: ffff8880a8fd8050 R14: ffff8880a8fd826c R15: dffffc0000000000 [ 53.136737][ T6871] FS: 0000000001c16880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 53.145833][ T6871] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.152421][ T6871] CR2: 00007f55f17196c0 CR3: 000000009f4f3000 CR4: 00000000001506f0 [ 53.161202][ T6871] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 53.169185][ T6871] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 53.178097][ T6871] Call Trace: [ 53.181396][ T6871] gfs2_meta_check_ii+0x70/0x80 [ 53.186240][ T6871] gfs2_meta_indirect_buffer+0x29f/0x380 [ 53.191856][ T6871] gfs2_inode_refresh+0x65/0xc00 [ 53.196763][ T6871] inode_go_lock+0x12c/0x480 [ 53.201325][ T6871] do_promote+0x4db/0xcd0 [ 53.205801][ T6871] finish_xmote+0x907/0x1350 [ 53.210389][ T6871] do_xmote+0xadb/0x14c0 [ 53.214616][ T6871] gfs2_glock_nq+0xac3/0x14d0 [ 53.219280][ T6871] gfs2_lookupi+0x36f/0x4f0 [ 53.223752][ T6871] ? gfs2_lookupi+0x367/0x4f0 [ 53.228397][ T6871] gfs2_lookup_simple+0xa4/0x100 [ 53.233305][ T6871] init_journal+0x132/0x1970 [ 53.237866][ T6871] ? vsnprintf+0x1a12/0x1aa0 [ 53.242426][ T6871] ? snprintf+0x6f/0x90 [ 53.246569][ T6871] ? _raw_spin_unlock+0x24/0x40 [ 53.251392][ T6871] gfs2_fill_super+0x2717/0x3fe0 [ 53.256331][ T6871] ? gfs2_glock_nq_num+0xaa/0x1d0 [ 53.261346][ T6871] ? snprintf+0x6f/0x90 [ 53.265483][ T6871] ? set_blocksize+0x1f5/0x3c0 [ 53.270220][ T6871] get_tree_bdev+0x3e9/0x5f0 [ 53.274779][ T6871] ? gfs2_reconfigure+0xe10/0xe10 [ 53.279769][ T6871] gfs2_get_tree+0x4c/0x1f0 [ 53.284244][ T6871] vfs_get_tree+0x88/0x270 [ 53.288633][ T6871] path_mount+0x179d/0x29e0 [ 53.293124][ T6871] __se_sys_mount+0x126/0x180 [ 53.297787][ T6871] do_syscall_64+0x31/0x70 [ 53.302177][ T6871] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 53.308064][ T6871] RIP: 0033:0x45b4ca [ 53.311941][ T6871] 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 [ 53.331531][ T6871] RSP: 002b:00007ffc0c751d98 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 53.339919][ T6871] RAX: ffffffffffffffda RBX: 00007ffc0c751df0 RCX: 000000000045b4ca [ 53.347875][ T6871] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007ffc0c751db0 [ 53.355836][ T6871] RBP: 00007ffc0c751db0 R08: 00007ffc0c751df0 R09: 00007ffc00000015 [ 53.363797][ T6871] R10: 0000000000000000 R11: 0000000000000293 R12: 000000000000091c [ 53.371754][ T6871] R13: 0000000000000004 R14: 0000000000000003 R15: 0000000000000003 [ 53.379701][ T6871] Modules linked in: [ 53.384066][ T6871] ---[ end trace ff6fd93ed2d3430f ]--- [ 53.389624][ T6871] RIP: 0010:gfs2_withdraw+0x2b0/0xe20 [ 53.394990][ T6871] Code: e8 03 48 89 44 24 38 42 80 3c 38 00 74 08 48 89 ef e8 b4 f5 69 fe 48 89 6c 24 20 48 8b 6d 00 48 83 c5 70 48 89 e8 48 c1 e8 03 <42> 80 3c 38 00 74 08 48 89 ef e8 91 f5 69 fe 48 8b 45 00 48 89 44 [ 53.414662][ T6871] RSP: 0018:ffffc900054974f0 EFLAGS: 00010202 [ 53.420828][ T6871] RAX: 000000000000000e RBX: ffff8880a8fd8000 RCX: 07519c3d6e1d6200 [ 53.428806][ T6871] RDX: ffff8880a191a200 RSI: 0000000000000000 RDI: ffff8880a8fd8430 [ 53.436872][ T6871] RBP: 0000000000000070 R08: ffffffff834aeb9c R09: ffffed1015d062c0 [ 53.444955][ T6871] R10: ffffed1015d062c0 R11: 0000000000000000 R12: 1ffff110151fb04d [ 53.452982][ T6871] R13: ffff8880a8fd8050 R14: ffff8880a8fd826c R15: dffffc0000000000 [ 53.461001][ T6871] FS: 0000000001c16880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 53.469978][ T6871] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.476550][ T6871] CR2: 00007f55f17196c0 CR3: 000000009f4f3000 CR4: 00000000001506f0 [ 53.484618][ T6871] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 53.492648][ T6871] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 53.500687][ T6871] Kernel panic - not syncing: Fatal exception [ 53.507885][ T6871] Kernel Offset: disabled [ 53.512225][ T6871] Rebooting in 86400 seconds..