Warning: Permanently added '10.128.0.122' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 701.588074][ T8489] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 701.597191][ T8489] gfs2: fsid=syz:syz: Now mounting FS... [ 701.607918][ T8489] gfs2: fsid=syz:syz.0: fatal: invalid metadata block [ 701.607918][ T8489] bh = 2072 (magic number) [ 701.607918][ T8489] function = gfs2_meta_indirect_buffer, file = fs/gfs2/meta_io.c, line = 488 [ 701.628826][ T8489] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 701.636521][ T8489] general protection fault, probably for non-canonical address 0xdffffc000000000e: 0000 [#1] PREEMPT SMP KASAN [ 701.648230][ T8489] KASAN: null-ptr-deref in range [0x0000000000000070-0x0000000000000077] [ 701.656617][ T8489] CPU: 1 PID: 8489 Comm: syz-executor688 Not tainted 5.10.0-rc3-syzkaller #0 [ 701.665343][ T8489] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 701.675489][ T8489] RIP: 0010:gfs2_withdraw.cold+0xff/0xc14 [ 701.681184][ T8489] Code: 00 48 c1 e0 2a 80 3c 02 00 0f 85 1c 02 00 00 4c 8b bb 08 09 00 00 b8 ff ff 37 00 48 c1 e0 2a 49 8d 7f 70 48 89 fa 48 c1 ea 03 <80> 3c 02 00 74 05 e8 a9 59 fd f8 4d 8b 7f 70 b8 ff ff 37 00 48 c1 [ 701.700772][ T8489] RSP: 0018:ffffc900015ff378 EFLAGS: 00010202 [ 701.706824][ T8489] RAX: dffffc0000000000 RBX: ffff888023f24000 RCX: ffffffff88b4355c [ 701.714787][ T8489] RDX: 000000000000000e RSI: ffffffff88b4356d RDI: 0000000000000070 [ 701.722730][ T8489] RBP: ffff888023f242c5 R08: 0000000000000038 R09: ffff8880b9f309e7 [ 701.730686][ T8489] R10: 0000000000000000 R11: 0000000000000000 R12: ffff888023f240a8 [ 701.738644][ T8489] R13: ffff888023f24348 R14: ffffffff898ff740 R15: 0000000000000000 [ 701.746684][ T8489] FS: 000000000227b880(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000 [ 701.755590][ T8489] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 701.762148][ T8489] CR2: 0000000020000000 CR3: 00000000124e6000 CR4: 00000000001506e0 [ 701.770097][ T8489] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 701.778049][ T8489] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 701.785996][ T8489] Call Trace: [ 701.789315][ T8489] gfs2_meta_check_ii+0x68/0xa0 [ 701.794222][ T8489] gfs2_meta_indirect_buffer+0x3a3/0x3f0 [ 701.799839][ T8489] ? gfs2_journal_wipe+0xc00/0xc00 [ 701.804959][ T8489] gfs2_inode_refresh+0x95/0xdf0 [ 701.809868][ T8489] ? inode_go_sync+0x560/0x560 [ 701.814626][ T8489] ? lock_downgrade+0x6d0/0x6d0 [ 701.819449][ T8489] inode_go_lock+0x309/0x4a0 [ 701.824010][ T8489] do_promote+0x4a0/0xb70 [ 701.828312][ T8489] finish_xmote+0x671/0xe40 [ 701.832793][ T8489] do_xmote+0x821/0xbc0 [ 701.836920][ T8489] run_queue+0x323/0x680 [ 701.841133][ T8489] gfs2_glock_nq+0x702/0x1190 [ 701.845784][ T8489] gfs2_lookupi+0x314/0x630 [ 701.850259][ T8489] ? gfs2_lookup_by_inum+0x100/0x100 [ 701.855527][ T8489] ? gfs2_lookupi+0x30c/0x630 [ 701.860214][ T8489] ? crc32_body+0x348/0x5f0 [ 701.864703][ T8489] gfs2_lookup_simple+0x99/0xe0 [ 701.869525][ T8489] ? gfs2_lookupi+0x630/0x630 [ 701.874188][ T8489] ? enable_ptr_key_workfn+0x30/0x30 [ 701.879444][ T8489] init_inodes+0x3cb/0x2650 [ 701.883948][ T8489] ? do_raw_spin_lock+0x120/0x2b0 [ 701.888943][ T8489] ? vsnprintf+0x2cc/0x14f0 [ 701.893419][ T8489] ? end_bio_io_page+0x100/0x100 [ 701.898340][ T8489] ? pointer+0x930/0x930 [ 701.902568][ T8489] ? gfs2_glock_dq_uninit+0x87/0x100 [ 701.907839][ T8489] ? init_sb+0x9c6/0xd30 [ 701.912054][ T8489] ? snprintf+0xbb/0xf0 [ 701.916178][ T8489] ? vsprintf+0x30/0x30 [ 701.920306][ T8489] ? gfs2_read_super+0x1140/0x1140 [ 701.925453][ T8489] ? __debugfs_create_file+0x33d/0x4c0 [ 701.930883][ T8489] gfs2_fill_super+0x199c/0x23f0 [ 701.935799][ T8489] ? gfs2_reconfigure+0x1030/0x1030 [ 701.940969][ T8489] ? lock_downgrade+0x6d0/0x6d0 [ 701.945790][ T8489] ? gfs2_glock_nq_num+0xf9/0x240 [ 701.950798][ T8489] ? snprintf+0xbb/0xf0 [ 701.954924][ T8489] ? vsprintf+0x30/0x30 [ 701.959065][ T8489] ? wait_for_completion+0x260/0x260 [ 701.964386][ T8489] ? set_blocksize+0x1c1/0x400 [ 701.969169][ T8489] get_tree_bdev+0x421/0x740 [ 701.973734][ T8489] ? gfs2_reconfigure+0x1030/0x1030 [ 701.978906][ T8489] gfs2_get_tree+0x4a/0x270 [ 701.983380][ T8489] vfs_get_tree+0x89/0x2f0 [ 701.987809][ T8489] path_mount+0x13ad/0x20c0 [ 701.992313][ T8489] ? strncpy_from_user+0x29e/0x3a0 [ 701.997393][ T8489] ? finish_automount+0xac0/0xac0 [ 702.002386][ T8489] ? getname_flags.part.0+0x1dd/0x4f0 [ 702.007731][ T8489] __x64_sys_mount+0x27f/0x300 [ 702.012486][ T8489] ? copy_mnt_ns+0xa60/0xa60 [ 702.017079][ T8489] ? syscall_enter_from_user_mode+0x1d/0x50 [ 702.022958][ T8489] do_syscall_64+0x2d/0x70 [ 702.027357][ T8489] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 702.033221][ T8489] RIP: 0033:0x45b4ca [ 702.037177][ T8489] 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 [ 702.056753][ T8489] RSP: 002b:00007ffc20adf1c8 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 702.065135][ T8489] RAX: ffffffffffffffda RBX: 00007ffc20adf220 RCX: 000000000045b4ca [ 702.073078][ T8489] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007ffc20adf1e0 [ 702.081021][ T8489] RBP: 00007ffc20adf1e0 R08: 00007ffc20adf220 R09: 00007ffc00000015 [ 702.088964][ T8489] R10: 0000000000000000 R11: 0000000000000293 R12: 000000000000091c [ 702.096919][ T8489] R13: 0000000000000004 R14: 0000000000000003 R15: 0000000000000003 [ 702.104864][ T8489] Modules linked in: [ 702.109309][ T8489] ---[ end trace b0c015b4ddb37bc0 ]--- [ 702.114824][ T8489] RIP: 0010:gfs2_withdraw.cold+0xff/0xc14 [ 702.120540][ T8489] Code: 00 48 c1 e0 2a 80 3c 02 00 0f 85 1c 02 00 00 4c 8b bb 08 09 00 00 b8 ff ff 37 00 48 c1 e0 2a 49 8d 7f 70 48 89 fa 48 c1 ea 03 <80> 3c 02 00 74 05 e8 a9 59 fd f8 4d 8b 7f 70 b8 ff ff 37 00 48 c1 [ 702.140227][ T8489] RSP: 0018:ffffc900015ff378 EFLAGS: 00010202 [ 702.146350][ T8489] RAX: dffffc0000000000 RBX: ffff888023f24000 RCX: ffffffff88b4355c [ 702.154386][ T8489] RDX: 000000000000000e RSI: ffffffff88b4356d RDI: 0000000000000070 [ 702.162383][ T8489] RBP: ffff888023f242c5 R08: 0000000000000038 R09: ffff8880b9f309e7 [ 702.170364][ T8489] R10: 0000000000000000 R11: 0000000000000000 R12: ffff888023f240a8 [ 702.178353][ T8489] R13: ffff888023f24348 R14: ffffffff898ff740 R15: 0000000000000000 [ 702.186349][ T8489] FS: 000000000227b880(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000 [ 702.195307][ T8489] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 702.201935][ T8489] CR2: 0000000020000000 CR3: 00000000124e6000 CR4: 00000000001506e0 [ 702.209910][ T8489] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 702.217909][ T8489] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 702.225903][ T8489] Kernel panic - not syncing: Fatal exception [ 702.232721][ T8489] Kernel Offset: disabled [ 702.237035][ T8489] Rebooting in 86400 seconds..