Warning: Permanently added '10.128.0.45' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 47.999539][ T6853] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 48.008489][ T6853] gfs2: fsid=syz:syz: Now mounting FS... [ 48.017112][ T6853] gfs2: fsid=syz:syz.0: fatal: invalid metadata block [ 48.017112][ T6853] bh = 2072 (magic number) [ 48.017112][ T6853] function = gfs2_meta_indirect_buffer, file = fs/gfs2/meta_io.c, line = 417 [ 48.037429][ T6853] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 48.044652][ T6853] general protection fault, probably for non-canonical address 0xdffffc000000000e: 0000 [#1] PREEMPT SMP KASAN [ 48.056490][ T6853] KASAN: null-ptr-deref in range [0x0000000000000070-0x0000000000000077] [ 48.065123][ T6853] CPU: 1 PID: 6853 Comm: syz-executor057 Not tainted 5.9.0-rc7-syzkaller #0 [ 48.073777][ T6853] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.083922][ T6853] RIP: 0010:gfs2_withdraw+0x2b0/0xe20 [ 48.089273][ T6853] 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 [ 48.108976][ T6853] RSP: 0018:ffffc900016174f0 EFLAGS: 00010202 [ 48.115022][ T6853] RAX: 000000000000000e RBX: ffff8880a6030000 RCX: 0d714e3134106300 [ 48.122984][ T6853] RDX: ffff88809311c440 RSI: 0000000000000000 RDI: ffff8880a6030430 [ 48.130933][ T6853] RBP: 0000000000000070 R08: ffffffff834aeb9c R09: ffffed1015d241c3 [ 48.138881][ T6853] R10: ffffed1015d241c3 R11: 0000000000000000 R12: 1ffff11014c0604d [ 48.146845][ T6853] R13: ffff8880a6030050 R14: ffff8880a603026c R15: dffffc0000000000 [ 48.154809][ T6853] FS: 00000000010a7880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 48.163741][ T6853] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.170415][ T6853] CR2: 00007f5181cb66c0 CR3: 000000009ea4a000 CR4: 00000000001506e0 [ 48.178366][ T6853] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.186310][ T6853] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.194263][ T6853] Call Trace: [ 48.197534][ T6853] gfs2_meta_check_ii+0x70/0x80 [ 48.202359][ T6853] gfs2_meta_indirect_buffer+0x29f/0x380 [ 48.207978][ T6853] gfs2_inode_refresh+0x65/0xc00 [ 48.212897][ T6853] inode_go_lock+0x12c/0x480 [ 48.217464][ T6853] do_promote+0x4db/0xcd0 [ 48.221798][ T6853] finish_xmote+0x907/0x1350 [ 48.226361][ T6853] do_xmote+0xadb/0x14c0 [ 48.230586][ T6853] gfs2_glock_nq+0xac3/0x14d0 [ 48.235245][ T6853] gfs2_lookupi+0x36f/0x4f0 [ 48.239730][ T6853] ? gfs2_lookupi+0x367/0x4f0 [ 48.244411][ T6853] gfs2_lookup_simple+0xa4/0x100 [ 48.249333][ T6853] init_journal+0x132/0x1970 [ 48.253906][ T6853] ? vsnprintf+0x1a12/0x1aa0 [ 48.258474][ T6853] ? snprintf+0x6f/0x90 [ 48.262602][ T6853] ? _raw_spin_unlock+0x24/0x40 [ 48.267428][ T6853] gfs2_fill_super+0x2717/0x3fe0 [ 48.272364][ T6853] ? gfs2_glock_nq_num+0xaa/0x1d0 [ 48.277888][ T6853] ? snprintf+0x6f/0x90 [ 48.282018][ T6853] ? set_blocksize+0x1f5/0x3c0 [ 48.286755][ T6853] get_tree_bdev+0x3e9/0x5f0 [ 48.291331][ T6853] ? gfs2_reconfigure+0xe10/0xe10 [ 48.296593][ T6853] gfs2_get_tree+0x4c/0x1f0 [ 48.301072][ T6853] vfs_get_tree+0x88/0x270 [ 48.305527][ T6853] path_mount+0x179d/0x29e0 [ 48.310169][ T6853] __se_sys_mount+0x126/0x180 [ 48.314835][ T6853] do_syscall_64+0x31/0x70 [ 48.319227][ T6853] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.325090][ T6853] RIP: 0033:0x45b3ea [ 48.328972][ T6853] 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 [ 48.348564][ T6853] RSP: 002b:00007ffd61a20908 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 48.357262][ T6853] RAX: ffffffffffffffda RBX: 00007ffd61a20960 RCX: 000000000045b3ea [ 48.365389][ T6853] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007ffd61a20920 [ 48.373395][ T6853] RBP: 00007ffd61a20920 R08: 00007ffd61a20960 R09: 00007ffd00000015 [ 48.381353][ T6853] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000916 [ 48.389497][ T6853] R13: 0000000000000004 R14: 0000000000000003 R15: 0000000000000003 [ 48.397461][ T6853] Modules linked in: [ 48.401586][ T6853] ---[ end trace 3790331f82bded1f ]--- [ 48.407089][ T6853] RIP: 0010:gfs2_withdraw+0x2b0/0xe20 [ 48.412459][ T6853] 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 [ 48.432244][ T6853] RSP: 0018:ffffc900016174f0 EFLAGS: 00010202 [ 48.438363][ T6853] RAX: 000000000000000e RBX: ffff8880a6030000 RCX: 0d714e3134106300 [ 48.446399][ T6853] RDX: ffff88809311c440 RSI: 0000000000000000 RDI: ffff8880a6030430 [ 48.454372][ T6853] RBP: 0000000000000070 R08: ffffffff834aeb9c R09: ffffed1015d241c3 [ 48.462489][ T6853] R10: ffffed1015d241c3 R11: 0000000000000000 R12: 1ffff11014c0604d [ 48.470547][ T6853] R13: ffff8880a6030050 R14: ffff8880a603026c R15: dffffc0000000000 [ 48.478606][ T6853] FS: 00000000010a7880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 48.487598][ T6853] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.494189][ T6853] CR2: 00007f5181cb66c0 CR3: 000000009ea4a000 CR4: 00000000001506e0 [ 48.502723][ T6853] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.510935][ T6853] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.519038][ T6853] Kernel panic - not syncing: Fatal exception [ 48.526260][ T6853] Kernel Offset: disabled [ 48.530582][ T6853] Rebooting in 86400 seconds..