------------[ cut here ]------------ DEBUG_RWSEMS_WARN_ON((rwsem_owner(sem) != current) && !rwsem_test_oflags(sem, RWSEM_NONSPINNABLE)): count = 0x0, magic = 0xffff0000f7eab6a0, owner = 0x0, curr 0xffff0000c2c2dac0, list empty WARNING: CPU: 0 PID: 8978 at kernel/locking/rwsem.c:1370 __up_write kernel/locking/rwsem.c:1369 [inline] WARNING: CPU: 0 PID: 8978 at kernel/locking/rwsem.c:1370 up_write+0x524/0x760 kernel/locking/rwsem.c:1632 Modules linked in: CPU: 0 PID: 8978 Comm: syz-executor.3 Tainted: G W 6.10.0-rc2-syzkaller-g8867bbd4a056 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __up_write kernel/locking/rwsem.c:1369 [inline] pc : up_write+0x524/0x760 kernel/locking/rwsem.c:1632 lr : __up_write kernel/locking/rwsem.c:1369 [inline] lr : up_write+0x524/0x760 kernel/locking/rwsem.c:1632 sp : ffff800098b879e0 x29: ffff800098b87a70 x28: 1ffff00013170f68 x27: 1fffe0001efd56e1 x26: dfff800000000000 x25: 1fffe0001efd56d5 x24: ffff0000f7eab6f8 x23: 0000000000000000 x22: 0000000000000000 x21: ffff0000c2c2dac0 x20: ffff0000f7eab6a0 x19: ffff0000f7eab6a0 x18: 1fffe000367b23de x17: ffff80008efed000 x16: ffff80008033878c x15: 0000000000000001 x14: 1fffe000367b5000 x13: 0000000000000000 x12: 0000000000000003 x11: 0000000000000001 x10: 0000000000000003 x9 : 3a11143a6a157500 x8 : 3a11143a6a157500 x7 : ffff8000802aebf8 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000000 x2 : ffff0000c2c2dac0 x1 : ffff80008b0900a0 x0 : ffff800124e5c000 Call trace: __up_write kernel/locking/rwsem.c:1369 [inline] up_write+0x524/0x760 kernel/locking/rwsem.c:1632 inode_unlock include/linux/fs.h:796 [inline] unlock_mount+0x1d8/0x244 fs/namespace.c:2514 do_new_mount_fc fs/namespace.c:3295 [inline] do_new_mount+0x704/0x900 fs/namespace.c:3354 path_mount+0x590/0xe04 fs/namespace.c:3679 do_mount fs/namespace.c:3692 [inline] __do_sys_mount fs/namespace.c:3898 [inline] __se_sys_mount fs/namespace.c:3875 [inline] __arm64_sys_mount+0x45c/0x594 fs/namespace.c:3875 __invoke_syscall arch/arm64/kernel/syscall.c:34 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:48 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:133 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:152 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598 irq event stamp: 120426 hardirqs last enabled at (120425): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1418 [inline] hardirqs last enabled at (120425): [] finish_lock_switch+0xbc/0x1e4 kernel/sched/core.c:5162 hardirqs last disabled at (120426): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:470 softirqs last enabled at (120418): [] softirq_handle_end kernel/softirq.c:400 [inline] softirqs last enabled at (120418): [] handle_softirqs+0xa60/0xc34 kernel/softirq.c:582 softirqs last disabled at (120291): [] __do_softirq+0x14/0x20 kernel/softirq.c:588 ---[ end trace 0000000000000000 ]---