------------[ cut here ]------------ DEBUG_RWSEMS_WARN_ON(!is_rwsem_reader_owned(sem)): count = 0x0, magic = 0xffff888039c88330, owner = 0x0, curr 0xffff888024ad8000, list empty WARNING: CPU: 0 PID: 8223 at kernel/locking/rwsem.c:1343 __up_read+0x602/0x690 kernel/locking/rwsem.c:1343 Modules linked in: CPU: 0 PID: 8223 Comm: syz-executor.1 Not tainted 6.3.0-rc5-syzkaller-00247-gcdc9718d5e59 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023 RIP: 0010:__up_read+0x602/0x690 kernel/locking/rwsem.c:1343 Code: ea 8a 48 0f 44 c1 48 c7 c7 e0 71 ea 8a 48 c7 c6 80 72 ea 8a 4c 89 fa 4c 89 f1 49 89 d8 4d 89 e9 50 e8 f2 fd e8 ff 48 83 c4 08 <0f> 0b 48 bb 00 00 00 00 00 fc ff df 4c 8b 2c 24 e9 4e fb ff ff 48 RSP: 0018:ffffc900162f7860 EFLAGS: 00010296 RAX: b8c30b0e47a50e00 RBX: 0000000000000000 RCX: 0000000000040000 RDX: ffffc90010b52000 RSI: 000000000000bdd4 RDI: 000000000000bdd5 RBP: ffffc900162f7910 R08: ffffffff81528012 R09: fffff52002c5ee85 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888039c88388 R13: ffff888024ad8000 R14: ffff888039c88330 R15: 0000000000000000 FS: 00007f03cedfe700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd48307c000 CR3: 000000002abbb000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: inode_unlock_shared include/linux/fs.h:773 [inline] open_last_lookups fs/namei.c:3490 [inline] path_openat+0x1623/0x3170 fs/namei.c:3712 do_filp_open+0x234/0x490 fs/namei.c:3742 do_sys_openat2+0x13f/0x500 fs/open.c:1348 do_sys_open fs/open.c:1364 [inline] __do_sys_openat fs/open.c:1380 [inline] __se_sys_openat fs/open.c:1375 [inline] __x64_sys_openat+0x247/0x290 fs/open.c:1375 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f03d848c169 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f03cedfe168 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f03d85ac050 RCX: 00007f03d848c169 RDX: 0000000000000000 RSI: 00000000200000c0 RDI: ffffffffffffff9c RBP: 00007f03d84e7ca1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc3a1034df R14: 00007f03cedfe300 R15: 0000000000022000