WARNING: CPU: 1 PID: 6844 at kernel/locking/rwsem.c:1350 __up_write kernel/locking/rwsem.c:1349 [inline]
WARNING: CPU: 1 PID: 6844 at kernel/locking/rwsem.c:1350 up_write+0x524/0x6f0 kernel/locking/rwsem.c:1604
Modules linked in:
CPU: 1 PID: 6844 Comm: syz.2.843 Not tainted 5.15.166-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __up_write kernel/locking/rwsem.c:1349 [inline]
pc : up_write+0x524/0x6f0 kernel/locking/rwsem.c:1604
lr : __up_write kernel/locking/rwsem.c:1349 [inline]
lr : up_write+0x524/0x6f0 kernel/locking/rwsem.c:1604
sp : ffff800020cc73c0
x29: ffff800020cc73d0 x28: ffff0000f84f8938 x27: dfff800000000000
x26: dfff800000000000 x25: 1fffe0001f08424b x24: ffff0000f8421248
x23: 0000000000000100 x22: ffff0000d8e8d1c1 x21: ffff0000caf41b40
x20: ffff0000f84211f0 x19: ffff0000f84211f0 x18: 1fffe0003683618e
x17: 1fffe0003683618e x16: ffff8000082ec92c x15: ffff800014b4ef00
x14: 1ffff0000295606a x13: dfff800000000000 x12: 0000000000040000
x11: 000000000003ffff x10: ffff800021aba000 x9 : 76d26f0d5ad22a00
x8 : 76d26f0d5ad22a00 x7 : 0000000000000000 x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000804605c
x2 : 0000000000000007 x1 : 0000000100000000 x0 : 00000000000000ce
Call trace:
 __up_write kernel/locking/rwsem.c:1349 [inline]
 up_write+0x524/0x6f0 kernel/locking/rwsem.c:1604
 inode_unlock include/linux/fs.h:794 [inline]
 ovl_workdir_create+0x598/0x624 fs/overlayfs/super.c:839
 ovl_make_workdir fs/overlayfs/super.c:1374 [inline]
 ovl_get_workdir+0x344/0x1110 fs/overlayfs/super.c:1524
 ovl_fill_super+0x15b4/0x2254 fs/overlayfs/super.c:2080
 mount_nodev+0x68/0x104 fs/super.c:1444
 ovl_mount+0x3c/0x50 fs/overlayfs/super.c:2171
 legacy_get_tree+0xd4/0x16c fs/fs_context.c:611
 vfs_get_tree+0x90/0x274 fs/super.c:1528
 do_new_mount+0x278/0x8fc fs/namespace.c:3005
 path_mount+0x594/0x101c fs/namespace.c:3335
 do_mount fs/namespace.c:3348 [inline]
 __do_sys_mount fs/namespace.c:3556 [inline]
 __se_sys_mount fs/namespace.c:3533 [inline]
 __arm64_sys_mount+0x510/0x5e0 fs/namespace.c:3533
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
irq event stamp: 17906
hardirqs last  enabled at (17905): [<ffff80000826acdc>] raw_spin_rq_unlock_irq kernel/sched/sched.h:1338 [inline]
hardirqs last  enabled at (17905): [<ffff80000826acdc>] finish_lock_switch+0xbc/0x1e8 kernel/sched/core.c:4781
hardirqs last disabled at (17906): [<ffff800011ab3af8>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396
softirqs last  enabled at (17896): [<ffff8000081b6d74>] softirq_handle_end kernel/softirq.c:401 [inline]
softirqs last  enabled at (17896): [<ffff8000081b6d74>] handle_softirqs+0xb88/0xdbc kernel/softirq.c:586
softirqs last disabled at (17883): [<ffff8000081b740c>] __do_softirq kernel/softirq.c:592 [inline]
softirqs last disabled at (17883): [<ffff8000081b740c>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline]
softirqs last disabled at (17883): [<ffff8000081b740c>] invoke_softirq kernel/softirq.c:439 [inline]
softirqs last disabled at (17883): [<ffff8000081b740c>] __irq_exit_rcu+0x268/0x4d8 kernel/softirq.c:641
---[ end trace 722ffe7d7948bbe1 ]---