MINIX-fs: mounting unchecked file system, running fsck is recommended ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7447 at fs/inode.c:305 drop_nlink+0x75/0xc0 fs/inode.c:309 Modules linked in: CPU: 0 PID: 7447 Comm: syz-executor.1 Not tainted 5.12.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:drop_nlink+0x75/0xc0 fs/inode.c:305 Code: 48 c1 ea 03 80 3c 02 00 75 60 48 8b 5b 28 be 08 00 00 00 48 8d bb c8 07 00 00 e8 f6 8b f0 ff f0 48 ff 83 c8 07 00 00 5b 5d c3 <0f> 0b 48 b8 00 00 00 00 00 fc ff df 48 89 ea 48 c1 ea 03 0f b6 04 RSP: 0018:ffffc900048c7ae0 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff88812c4fd5c0 RCX: 0000000000000000 RDX: 00000000ffffffff RSI: 000000003b9aca00 RDI: ffff88812c4fd5c0 RBP: ffff88812c4fd608 R08: 0000000000000001 R09: ffffffff8d3c1cb7 R10: 0000000000000001 R11: 00000000000003b4 R12: ffff88812c4fd5c0 R13: ffff88812a047080 R14: ffff88812c4fd100 R15: ffff8881238e9000 FS: 00007f69e31ed700(0000) GS:ffff8881f6200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055673e6798d0 CR3: 000000011132f001 CR4: 00000000001706f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: inode_dec_link_count include/linux/fs.h:2303 [inline] minix_rename+0x18c/0x6f0 fs/minix/namei.c:230 vfs_rename+0xb66/0x1480 fs/namei.c:4552 do_renameat2+0x5d2/0xa50 fs/namei.c:4707 __do_sys_renameat fs/namei.c:4750 [inline] __se_sys_renameat fs/namei.c:4747 [inline] __x64_sys_renameat+0xba/0xf0 fs/namei.c:4747 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x465809 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f69e31ed188 EFLAGS: 00000246 ORIG_RAX: 0000000000000108 RAX: ffffffffffffffda RBX: 000000000055bf00 RCX: 0000000000465809 RDX: 0000000000000009 RSI: 0000000020000500 RDI: 000000000000000a RBP: 00000000004af675 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000200017c0 R11: 0000000000000246 R12: 000000000055bf00 R13: 00007fff91e9424f R14: 00007f69e31ed300 R15: 0000000000022000 irq event stamp: 6807 hardirqs last enabled at (6825): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (6825): [] _raw_spin_unlock_irq+0x1f/0x80 kernel/locking/spinlock.c:199 hardirqs last disabled at (6918): [] __schedule+0x126d/0x2260 kernel/sched/core.c:4972 softirqs last enabled at (7006): [] invoke_softirq kernel/softirq.c:221 [inline] softirqs last enabled at (7006): [] __irq_exit_rcu kernel/softirq.c:422 [inline] softirqs last enabled at (7006): [] irq_exit_rcu+0x243/0x290 kernel/softirq.c:434 softirqs last disabled at (7019): [] invoke_softirq kernel/softirq.c:221 [inline] softirqs last disabled at (7019): [] __irq_exit_rcu kernel/softirq.c:422 [inline] softirqs last disabled at (7019): [] irq_exit_rcu+0x243/0x290 kernel/softirq.c:434 ---[ end trace 3cbc09a21a81cc4c ]---