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DEBUG_RWSEMS_WARN_ON((rwsem_owner(sem) != current) && !rwsem_test_oflags(sem, RWSEM_NONSPINNABLE)): count = 0x0, magic = 0xffff0000eaa19508, owner = 0x0, curr 0xffff0000d4498000, list empty
WARNING: CPU: 0 PID: 4911 at kernel/locking/rwsem.c:1372 __up_write kernel/locking/rwsem.c:1371 [inline]
WARNING: CPU: 0 PID: 4911 at kernel/locking/rwsem.c:1372 up_write+0x5c4/0x76c kernel/locking/rwsem.c:1626
Modules linked in:
CPU: 0 PID: 4911 Comm: syz.0.146 Not tainted 6.1.106-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __up_write kernel/locking/rwsem.c:1371 [inline]
pc : up_write+0x5c4/0x76c kernel/locking/rwsem.c:1626
lr : __up_write kernel/locking/rwsem.c:1371 [inline]
lr : up_write+0x5c4/0x76c kernel/locking/rwsem.c:1626
sp : ffff8000206b7940
x29: ffff8000206b79c0 x28: 1ffff000040d6f4c x27: 1fffe0001d5432ae
x26: dfff800000000000 x25: 1fffe0001d5432a2 x24: ffff0000eaa19560
x23: 0000000000000000 x22: 0000000000000000 x21: ffff0000d4498000
x20: ffff0000eaa19508 x19: ffff0000eaa19508 x18: 1fffe00036864576
x17: ffff8000159bd000 x16: ffff800008305944 x15: ffff0001b4322bbc
x14: 1ffff00002b380b0 x13: dfff800000000000 x12: 0000000000000001
x11: 1fffe0001b2cc850 x10: 0000000000000000 x9 : 47cd967790084200
x8 : 47cd967790084200 x7 : ffff80000827d430 x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff80000826b108
x2 : 0000000000000001 x1 : 0000000000000004 x0 : 0000000000000001
Call trace:
 __up_write kernel/locking/rwsem.c:1371 [inline]
 up_write+0x5c4/0x76c kernel/locking/rwsem.c:1626
 inode_unlock include/linux/fs.h:763 [inline]
 vfs_removexattr+0xec/0x23c fs/xattr.c:538
 removexattr fs/xattr.c:878 [inline]
 path_removexattr+0x1ec/0x2ec fs/xattr.c:892
 __do_sys_removexattr fs/xattr.c:906 [inline]
 __se_sys_removexattr fs/xattr.c:903 [inline]
 __arm64_sys_removexattr+0x60/0x78 fs/xattr.c:903
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x168 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: 230
hardirqs last  enabled at (229): [<ffff80000827d4d0>] raw_spin_rq_unlock_irq kernel/sched/sched.h:1367 [inline]
hardirqs last  enabled at (229): [<ffff80000827d4d0>] finish_lock_switch+0xbc/0x1e8 kernel/sched/core.c:5000
hardirqs last disabled at (230): [<ffff800012285e14>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (210): [<ffff8000081c80cc>] softirq_handle_end kernel/softirq.c:414 [inline]
softirqs last  enabled at (210): [<ffff8000081c80cc>] handle_softirqs+0xb84/0xd58 kernel/softirq.c:599
softirqs last disabled at (81): [<ffff800008020174>] __do_softirq+0x14/0x20 kernel/softirq.c:605
---[ end trace 0000000000000000 ]---