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DEBUG_RWSEMS_WARN_ON((rwsem_owner(sem) != current) && !rwsem_test_oflags(sem, RWSEM_NONSPINNABLE)): count = 0x0, magic = 0xffff0000f3d4c590, owner = 0x0, curr 0xffff0000cb1b8000, list empty
WARNING: CPU: 1 PID: 13123 at kernel/locking/rwsem.c:1350 __up_write kernel/locking/rwsem.c:1349 [inline]
WARNING: CPU: 1 PID: 13123 at kernel/locking/rwsem.c:1350 up_write+0x4e8/0x644 kernel/locking/rwsem.c:1604
Modules linked in:
CPU: 1 PID: 13123 Comm: syz-executor331 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:1349 [inline]
pc : up_write+0x4e8/0x644 kernel/locking/rwsem.c:1604
lr : __up_write kernel/locking/rwsem.c:1349 [inline]
lr : up_write+0x4e8/0x644 kernel/locking/rwsem.c:1604
sp : ffff800020d977c0
x29: ffff800020d977d0 x28: ffff0000cc772468 x27: ffff800020d97ad8
x26: dfff800000000000 x25: 1fffe0001e7a98bf x24: ffff0000f3d4c5e8
x23: 0000000000000000 x22: 0000000000000000 x21: ffff0000cb1b8000
x20: ffff0000f3d4c590 x19: ffff0000f3d4c590 x18: 0000000000000002
x17: 0000000040000000 x16: ffff8000111c8918 x15: 0000000000000002
x14: 0000000000ff0100 x13: 1ffff0000283006b x12: 0000000000ff0100
x11: 0000000000000000 x10: 0000000000000000 x9 : 64cbebe6839dfd00
x8 : 64cbebe6839dfd00 x7 : 0000000000000000 x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000850471c
x2 : 0000000000000001 x1 : 0000000100000000 x0 : 00000000000000bd
Call trace:
 __up_write kernel/locking/rwsem.c:1349 [inline]
 up_write+0x4e8/0x644 kernel/locking/rwsem.c:1604
 inode_unlock include/linux/fs.h:792 [inline]
 open_last_lookups fs/namei.c:3536 [inline]
 path_openat+0xe14/0x26e4 fs/namei.c:3739
 do_filp_open+0x164/0x330 fs/namei.c:3769
 do_sys_openat2+0x128/0x3d8 fs/open.c:1253
 do_sys_open fs/open.c:1269 [inline]
 __do_sys_openat fs/open.c:1285 [inline]
 __se_sys_openat fs/open.c:1280 [inline]
 __arm64_sys_openat+0x120/0x154 fs/open.c:1280
 __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+0x78/0x1e0 arch/arm64/kernel/entry-common.c:608
 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
irq event stamp: 680
hardirqs last  enabled at (679): [<ffff800008245a58>] raw_spin_rq_unlock_irq kernel/sched/sched.h:1338 [inline]
hardirqs last  enabled at (679): [<ffff800008245a58>] finish_lock_switch+0xb0/0x1c4 kernel/sched/core.c:4803
hardirqs last disabled at (680): [<ffff8000111c4178>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396
softirqs last  enabled at (548): [<ffff80000819e9f4>] softirq_handle_end kernel/softirq.c:419 [inline]
softirqs last  enabled at (548): [<ffff80000819e9f4>] handle_softirqs+0xa4c/0xbf0 kernel/softirq.c:604
softirqs last disabled at (117): [<ffff80000819eff8>] __do_softirq kernel/softirq.c:610 [inline]
softirqs last disabled at (117): [<ffff80000819eff8>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline]
softirqs last disabled at (117): [<ffff80000819eff8>] invoke_softirq kernel/softirq.c:457 [inline]
softirqs last disabled at (117): [<ffff80000819eff8>] __irq_exit_rcu+0x240/0x440 kernel/softirq.c:659
---[ end trace c4018b1291eb45de ]---