loop0: detected capacity change from 0 to 32768 ... Log Wrap ... Log Wrap ... Log Wrap ... ERROR: (device loop0): diWrite: ixpxd invalid ERROR: (device loop0): txCommit: ... Log Wrap ... Log Wrap ... Log Wrap ... ... Log Wrap ... Log Wrap ... Log Wrap ... ERROR: (device loop0): diWrite: ixpxd invalid ERROR: (device loop0): txCommit: ------------[ cut here ]------------ !(inode_state_read_once(inode) & I_LINKABLE) WARNING: fs/inode.c:465 at inc_nlink+0x122/0x150 fs/inode.c:465, CPU#0: syz.0.0/5323 Modules linked in: CPU: 0 UID: 0 PID: 5323 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 RIP: 0010:inc_nlink+0x122/0x150 fs/inode.c:465 Code: e4 ff e9 3a ff ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 4c ff ff ff 48 89 df e8 89 66 e4 ff e9 3f ff ff ff e8 3f c8 72 ff 90 <0f> 0b 90 eb 80 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 50 ff ff ff RSP: 0018:ffffc9000f6af1e8 EFLAGS: 00010287 RAX: ffffffff82551361 RBX: ffff88801228a7c0 RCX: 0000000000100000 RDX: ffffc9000ed01000 RSI: 00000000000011e6 RDI: 00000000000011e7 RBP: 0000000000000000 R08: ffffffff907a507f R09: 1ffffffff20f4a0f R10: dffffc0000000000 R11: fffffbfff20f4a10 R12: dffffc0000000000 R13: 1ffff110024514f8 R14: ffff88801228a778 R15: ffff88801228a848 FS: 00007f45c0db86c0(0000) GS:ffff88808c2c7000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f103b35b000 CR3: 0000000012b55000 CR4: 0000000000352ef0 Call Trace: jfs_mkdir+0x857/0xaf0 fs/jfs/namei.c:287 vfs_mkdir+0x40c/0x620 fs/namei.c:5410 ovl_do_mkdir fs/overlayfs/overlayfs.h:257 [inline] ovl_workdir_create+0x45f/0x8b0 fs/overlayfs/super.c:345 ovl_make_workdir fs/overlayfs/super.c:678 [inline] ovl_get_workdir+0x339/0x1980 fs/overlayfs/super.c:836 ovl_fill_super_creds fs/overlayfs/super.c:1449 [inline] ovl_fill_super+0x1702/0x4360 fs/overlayfs/super.c:1561 vfs_get_super fs/super.c:1405 [inline] get_tree_nodev+0xbb/0x150 fs/super.c:1424 vfs_get_tree+0x92/0x2a0 fs/super.c:1947 fc_mount fs/namespace.c:1198 [inline] do_new_mount_fc fs/namespace.c:3772 [inline] do_new_mount+0x319/0xdc0 fs/namespace.c:3848 do_mount fs/namespace.c:4181 [inline] __do_sys_mount fs/namespace.c:4397 [inline] __se_sys_mount+0x31d/0x420 fs/namespace.c:4374 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f45bff9e159 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 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 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f45c0db7fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f45c0225fa0 RCX: 00007f45bff9e159 RDX: 0000200000000440 RSI: 0000200000000100 RDI: 0000000000000000 RBP: 00007f45c003503b R08: 0000200000000500 R09: 0000000000000000 R10: 0000000000000008 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f45c0226038 R14: 00007f45c0225fa0 R15: 00007fff73cae448