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DEBUG_RWSEMS_WARN_ON((rwsem_owner(sem) != current) && !rwsem_test_oflags(sem, RWSEM_NONSPINNABLE)): count = 0x0, magic = 0xffff0000e286f1d0, owner = 0x0, curr 0xffff0000dc4ad340, list empty
WARNING: CPU: 0 PID: 5144 at kernel/locking/rwsem.c:1372 __up_write kernel/locking/rwsem.c:1371 [inline]
WARNING: CPU: 0 PID: 5144 at kernel/locking/rwsem.c:1372 up_write+0x494/0x5c0 kernel/locking/rwsem.c:1626
Modules linked in:
CPU: 0 PID: 5144 Comm: syz.3.108 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : __up_write kernel/locking/rwsem.c:1371 [inline]
pc : up_write+0x494/0x5c0 kernel/locking/rwsem.c:1626
lr : __up_write kernel/locking/rwsem.c:1371 [inline]
lr : up_write+0x494/0x5c0 kernel/locking/rwsem.c:1626
sp : ffff8000228077a0
x29: ffff8000228077b0 x28: ffff0000e2b70000 x27: ffff800022807ab8
x26: dfff800000000000 x25: 1fffe0001c50de47 x24: ffff0000e286f228
x23: 0000000000000000 x22: 0000000000000000 x21: ffff0000dc4ad340
x20: ffff0000e286f1d0 x19: ffff0000e286f1d0 x18: ffff800011abbcc0
x17: 1fffe00033ed797e x16: ffff8000082d22e0 x15: 0000000040000000
x14: 0000000000000002 x13: 1ffff00002a180b1 x12: 0000000000ff0100
x11: ff0080000a893b54 x10: 0000000000000003 x9 : d7424d694e4c6600
x8 : d7424d694e4c6600 x7 : ffff800008251e10 x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000
x2 : 0000000000000007 x1 : ffff800011abd7c0 x0 : ffff80018a6a7000
Call trace:
 __up_write kernel/locking/rwsem.c:1371 [inline]
 up_write+0x494/0x5c0 kernel/locking/rwsem.c:1626
 inode_unlock include/linux/fs.h:763 [inline]
 open_last_lookups fs/namei.c:3554 [inline]
 path_openat+0xe04/0x2680 fs/namei.c:3780
 do_filp_open+0x174/0x344 fs/namei.c:3810
 do_sys_openat2+0x128/0x3d8 fs/open.c:1318
 do_sys_open fs/open.c:1334 [inline]
 __do_sys_openat fs/open.c:1350 [inline]
 __se_sys_openat fs/open.c:1345 [inline]
 __arm64_sys_openat+0x120/0x154 fs/open.c:1345
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
irq event stamp: 306
hardirqs last  enabled at (305): [<ffff800008251ea4>] raw_spin_rq_unlock_irq kernel/sched/sched.h:1367 [inline]
hardirqs last  enabled at (305): [<ffff800008251ea4>] finish_lock_switch+0xb0/0x1c4 kernel/sched/core.c:5003
hardirqs last disabled at (306): [<ffff800011958980>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (106): [<ffff80000803092c>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (104): [<ffff8000080308f8>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
---[ end trace 0000000000000000 ]---