------------[ cut here ]------------
DEBUG_RWSEMS_WARN_ON(!is_rwsem_reader_owned(sem)): count = 0x0, magic = 0xffff0000e4d620b0, owner = 0x0, curr 0xffff0000d7031bc0, list empty
WARNING: CPU: 0 PID: 7635 at kernel/locking/rwsem.c:1343 __up_read+0x554/0x5f8 kernel/locking/rwsem.c:1343
Modules linked in:
CPU: 0 PID: 7635 Comm: syz-executor.0 Not tainted 6.6.0-rc7-syzkaller-00089-g8de1e7afcc1c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __up_read+0x554/0x5f8 kernel/locking/rwsem.c:1343
lr : __up_read+0x554/0x5f8 kernel/locking/rwsem.c:1343
sp : ffff800098747880
x29: ffff800098747910 x28: 1ffff00011c680bc x27: ffff80008e340000
x26: dfff800000000000 x25: 0000000000000000 x24: ffff0000e4d62108
x23: ffff0000d7031bc0 x22: ffff8000987478a0 x21: 0000000000000000
x20: ffff0000e4d620b0 x19: ffff0000e4d620b0 x18: 1fffe0003682efce
x17: ffff80008e33d000 x16: ffff800080316308 x15: 0000000000000001
x14: 1fffe0001b164100 x13: 0000000000000000 x12: 0000000000000000
x11: ffff60001b164101 x10: 1fffe0001b164100 x9 : 11f96257b9e53b00
x8 : 11f96257b9e53b00 x7 : ffff80008028e628 x6 : 0000000000000000
x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff80008027b1b0
x2 : 0000000000000001 x1 : 0000000000000004 x0 : 0000000000000001
Call trace:
 __up_read+0x554/0x5f8 kernel/locking/rwsem.c:1343
 up_read+0x2c/0x3c kernel/locking/rwsem.c:1616
 inode_unlock_shared include/linux/fs.h:817 [inline]
 lookup_slow+0x6c/0x84 fs/namei.c:1712
 walk_component+0x280/0x36c fs/namei.c:2002
 lookup_last fs/namei.c:2459 [inline]
 path_lookupat+0x13c/0x3d0 fs/namei.c:2483
 filename_lookup+0x1d4/0x4e0 fs/namei.c:2512
 user_path_at_empty+0x5c/0x84 fs/namei.c:2911
 user_path_at include/linux/namei.h:57 [inline]
 __do_sys_chdir fs/open.c:551 [inline]
 __se_sys_chdir fs/open.c:545 [inline]
 __arm64_sys_chdir+0xc0/0x2d0 fs/open.c:545
 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155
 el0_svc+0x54/0x158 arch/arm64/kernel/entry-common.c:678
 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:595
irq event stamp: 896
hardirqs last  enabled at (895): [<ffff80008028e6c8>] raw_spin_rq_unlock_irq kernel/sched/sched.h:1384 [inline]
hardirqs last  enabled at (895): [<ffff80008028e6c8>] finish_lock_switch+0xbc/0x1e4 kernel/sched/core.c:5134
hardirqs last disabled at (896): [<ffff80008a716d60>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:436
softirqs last  enabled at (760): [<ffff800080031c3c>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (758): [<ffff800080031c08>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
DEBUG_RWSEMS_WARN_ON(tmp < 0): count = 0xffffffffffffff00, magic = 0xffff0000e4d620b0, owner = 0x0, curr 0xffff0000d7031bc0, list empty
WARNING: CPU: 0 PID: 7635 at kernel/locking/rwsem.c:1348 __up_read+0x3bc/0x5f8 kernel/locking/rwsem.c:1348
Modules linked in:
CPU: 0 PID: 7635 Comm: syz-executor.0 Tainted: G        W          6.6.0-rc7-syzkaller-00089-g8de1e7afcc1c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __up_read+0x3bc/0x5f8 kernel/locking/rwsem.c:1348
lr : __up_read+0x3bc/0x5f8 kernel/locking/rwsem.c:1348
sp : ffff800098747880
x29: ffff800098747910 x28: 1ffff00011c680bc x27: ffff80008e340000
x26: dfff800000000000 x25: ffffffffffffff00 x24: ffff0000e4d62108
x23: ffff0000e4d620b0 x22: ffffffffffffff00 x21: 0000000000000000
x20: ffff0000d7031bc0 x19: ffff0000e4d620b0 x18: 1fffe0003682efce
x17: 0000000000000000 x16: ffff80008a71b23c x15: 0000000000000001
x14: 1ffff000130e8e64 x13: 0000000000000000 x12: 0000000000000000
x11: 0000000000000001 x10: 0000000000000000 x9 : 11f96257b9e53b00
x8 : 11f96257b9e53b00 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff800098747178 x4 : ffff80008e4210a0 x3 : ffff800082b180c4
x2 : 0000000000000001 x1 : 0000000100000001 x0 : 0000000000000000
Call trace:
 __up_read+0x3bc/0x5f8 kernel/locking/rwsem.c:1348
 up_read+0x2c/0x3c kernel/locking/rwsem.c:1616
 inode_unlock_shared include/linux/fs.h:817 [inline]
 lookup_slow+0x6c/0x84 fs/namei.c:1712
 walk_component+0x280/0x36c fs/namei.c:2002
 lookup_last fs/namei.c:2459 [inline]
 path_lookupat+0x13c/0x3d0 fs/namei.c:2483
 filename_lookup+0x1d4/0x4e0 fs/namei.c:2512
 user_path_at_empty+0x5c/0x84 fs/namei.c:2911
 user_path_at include/linux/namei.h:57 [inline]
 __do_sys_chdir fs/open.c:551 [inline]
 __se_sys_chdir fs/open.c:545 [inline]
 __arm64_sys_chdir+0xc0/0x2d0 fs/open.c:545
 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155
 el0_svc+0x54/0x158 arch/arm64/kernel/entry-common.c:678
 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:595
irq event stamp: 945
hardirqs last  enabled at (945): [<ffff80008a719090>] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:84 [inline]
hardirqs last  enabled at (945): [<ffff80008a719090>] exit_to_kernel_mode+0xdc/0x10c arch/arm64/kernel/entry-common.c:94
hardirqs last disabled at (944): [<ffff80008a7f3968>] preempt_schedule_irq+0x90/0x188 kernel/sched/core.c:7008
softirqs last  enabled at (940): [<ffff800080021894>] softirq_handle_end kernel/softirq.c:399 [inline]
softirqs last  enabled at (940): [<ffff800080021894>] __do_softirq+0xac0/0xd54 kernel/softirq.c:582
softirqs last disabled at (899): [<ffff80008002aadc>] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80
---[ end trace 0000000000000000 ]---