XFS (loop4): Mounting V4 Filesystem XFS (loop4): totally zeroed log ------------[ cut here ]------------ ODEBUG: free active (active state 0) object type: timer_list hint: delayed_work_timer_fn+0x0/0x90 kernel/workqueue.c:4941 XFS (loop4): Metadata corruption detected at xfs_agi_verify+0x188/0x560 fs/xfs/libxfs/xfs_ialloc.c:2548, xfs_agi block 0x2 WARNING: CPU: 0 PID: 10520 at lib/debugobjects.c:325 debug_print_object+0x168/0x250 lib/debugobjects.c:325 XFS (loop4): Unmount and run xfs_repair Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 10520 Comm: syz-executor.3 Not tainted 4.19.91-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x197/0x210 lib/dump_stack.c:118 XFS (loop4): First 128 bytes of corrupted metadata buffer: panic+0x26a/0x50e kernel/panic.c:186 000000000c634d16: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00000000c5d5c2a6: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ __warn.cold+0x20/0x53 kernel/panic.c:541 00000000893f13b6: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ report_bug+0x263/0x2b0 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:178 [inline] fixup_bug arch/x86/kernel/traps.c:173 [inline] do_error_trap+0x204/0x360 arch/x86/kernel/traps.c:296 000000004360fe95: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 0000000074fed17b: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:316 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1037 00000000ea4aea5b: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ RIP: 0010:debug_print_object+0x168/0x250 lib/debugobjects.c:325 Code: dd e0 63 ea 87 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 b5 00 00 00 48 8b 14 dd e0 63 ea 87 48 c7 c7 20 59 ea 87 e8 a6 46 dc fd <0f> 0b 83 05 ab 96 6a 06 01 48 83 c4 20 5b 41 5c 41 5d 41 5e 5d c3 RSP: 0018:ffff88804c54f490 EFLAGS: 00010082 00000000e57552cf: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 RDX: 0000000000040000 RSI: ffffffff8155bb16 RDI: ffffed10098a9e84 RBP: ffff88804c54f4d0 R08: ffff888042222000 R09: ffffed1015d03ee3 R10: ffffed1015d03ee2 R11: ffff8880ae81f717 R12: 0000000000000001 R13: ffffffff88fa43a0 R14: ffffffff815b30d0 R15: ffff8880a444d860 00000000f639f714: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ __debug_check_no_obj_freed lib/debugobjects.c:785 [inline] debug_check_no_obj_freed+0x29f/0x464 lib/debugobjects.c:817 XFS (loop4): metadata I/O error in "xfs_trans_read_buf_map" at daddr 0x2 len 1 error 117 kfree+0xbd/0x220 mm/slab.c:3821 kvfree+0x61/0x70 mm/util.c:452 netdev_freemem+0x4c/0x60 net/core/dev.c:8914 XFS (loop4): xfs_imap_lookup: xfs_ialloc_read_agi() returned error -117, agno 0 netdev_release+0x86/0xb0 net/core/net-sysfs.c:1645 device_release+0x7b/0x210 drivers/base/core.c:892 kobject_cleanup lib/kobject.c:662 [inline] kobject_release lib/kobject.c:691 [inline] kref_put include/linux/kref.h:70 [inline] kobject_put.cold+0x289/0x2e6 lib/kobject.c:708 XFS (loop4): Failed to read root inode 0x80, error 117 netdev_run_todo+0x53b/0x7a0 net/core/dev.c:8819 kobject: 'loop5' (00000000216f29b9): kobject_uevent_env rtnl_unlock net/core/rtnetlink.c:117 [inline] rtnetlink_rcv_msg+0x46f/0xb00 net/core/rtnetlink.c:4769 kobject: 'loop5' (00000000216f29b9): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'log' (0000000027f51db9): kobject_cleanup, parent (null) netlink_rcv_skb+0x17d/0x460 net/netlink/af_netlink.c:2454 kobject: 'log' (0000000027f51db9): calling ktype release rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:4786 netlink_unicast_kernel net/netlink/af_netlink.c:1317 [inline] netlink_unicast+0x53a/0x730 net/netlink/af_netlink.c:1343 netlink_sendmsg+0x8ae/0xd70 net/netlink/af_netlink.c:1908 kobject: 'log': free name kobject: 'default' (000000000605a304): kobject_cleanup, parent (null) sock_sendmsg_nosec net/socket.c:622 [inline] sock_sendmsg+0xd7/0x130 net/socket.c:632 ___sys_sendmsg+0x803/0x920 net/socket.c:2115 kobject: 'default' (000000000605a304): calling ktype release kobject: 'default': free name kobject: 'EIO' (000000006b629a32): kobject_cleanup, parent (null) __sys_sendmsg+0x105/0x1d0 net/socket.c:2153 kobject: 'EIO' (000000006b629a32): calling ktype release kobject: 'EIO': free name __do_sys_sendmsg net/socket.c:2162 [inline] __se_sys_sendmsg net/socket.c:2160 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2160 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45a919 kobject: 'ENOSPC' (000000005aef862d): kobject_cleanup, parent (null) Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f8c73517c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a919 RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000005 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8c735186d4 R13: 00000000004c9a29 R14: 00000000004e1930 R15: 00000000ffffffff Kernel Offset: disabled ======================================================