------------[ cut here ]------------ DEBUG_RWSEMS_WARN_ON((rwsem_owner(sem) != current) && !rwsem_test_oflags(sem, RWSEM_NONSPINNABLE)): count = 0x0, magic = 0xffff0000e3fc9508, owner = 0x0, curr 0xffff0000d814bc80, list empty WARNING: CPU: 1 PID: 7420 at kernel/locking/rwsem.c:1370 __up_write kernel/locking/rwsem.c:1369 [inline] WARNING: CPU: 1 PID: 7420 at kernel/locking/rwsem.c:1370 up_write+0x524/0x760 kernel/locking/rwsem.c:1632 Modules linked in: CPU: 1 PID: 7420 Comm: syz-executor.1 Tainted: G W 6.10.0-rc3-syzkaller-gac2193b4b460 #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 : ffff8000a04779e0 x29: ffff8000a0477a70 x28: 1ffff0001408ef68 x27: 1fffe0001c7f92ae x26: dfff800000000000 x25: 1fffe0001c7f92a2 x24: ffff0000e3fc9560 x23: 0000000000000000 x22: 0000000000000000 x21: ffff0000d814bc80 x20: ffff0000e3fc9508 x19: ffff0000e3fc9508 x18: 1fffe000367b7bde x17: ffff800124ec8000 x16: ffff800080338014 x15: 0000000000000001 x14: 1fffe0001b58ac00 x13: 0000000000000000 x12: 0000000000000000 x11: ffff60001b58ac01 x10: 1fffe0001b58ac00 x9 : aba9f9e61e7b7700 x8 : aba9f9e61e7b7700 x7 : ffff8000802ae7b4 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff80008029a9a4 x2 : 0000000000000001 x1 : 0000000000000004 x0 : 0000000000000001 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: 380 hardirqs last enabled at (379): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1418 [inline] hardirqs last enabled at (379): [] finish_lock_switch+0xbc/0x1e4 kernel/sched/core.c:5162 hardirqs last disabled at (380): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:470 softirqs last enabled at (372): [] softirq_handle_end kernel/softirq.c:400 [inline] softirqs last enabled at (372): [] handle_softirqs+0xa3c/0xbfc kernel/softirq.c:582 softirqs last disabled at (351): [] __do_softirq+0x14/0x20 kernel/softirq.c:588 ---[ end trace 0000000000000000 ]---