Hello, syzbot found the following issue on: HEAD commit: d4ddefee5160 Merge tag 'arm64-fixes' of git://git.kernel.o.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=1684c769a80000 kernel config: https://syzkaller.appspot.com/x/.config?x=9c37cc0e4fcc5f8d dashboard link: https://syzkaller.appspot.com/bug?extid=d123d9a1df4f9a897854 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1610933da80000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=14d81e5fa80000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/faa4473182fa/disk-d4ddefee.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/f12b676582f4/vmlinux-d4ddefee.xz kernel image: https://storage.googleapis.com/syzbot-assets/e8c9cea34485/bzImage-d4ddefee.xz mounted in repro: https://storage.googleapis.com/syzbot-assets/027d8c9977f5/mount_0.gz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+d123d9a1df4f9a897854@xxxxxxxxxxxxxxxxxxxxxxxxx DEBUG_RWSEMS_WARN_ON((rwsem_owner(sem) != current) && !rwsem_test_oflags(sem, RWSEM_NONSPINNABLE)): count = 0x0, magic = 0xffff8880715bea70, owner = 0x0, curr 0xffff88802212bb80, list empty WARNING: CPU: 1 PID: 5387 at kernel/locking/rwsem.c:1370 __up_write kernel/locking/rwsem.c:1369 [inline] WARNING: CPU: 1 PID: 5387 at kernel/locking/rwsem.c:1370 up_write+0x4f4/0x580 kernel/locking/rwsem.c:1626 Modules linked in: CPU: 1 PID: 5387 Comm: syz-executor310 Not tainted 6.5.0-rc6-syzkaller-00200-gd4ddefee5160 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 RIP: 0010:__up_write kernel/locking/rwsem.c:1369 [inline] RIP: 0010:up_write+0x4f4/0x580 kernel/locking/rwsem.c:1626 Code: 48 c7 c7 20 8c 0a 8b 48 c7 c6 60 8e 0a 8b 48 8b 54 24 28 48 8b 4c 24 18 4d 89 e0 4c 8b 4c 24 30 53 e8 30 59 e8 ff 48 83 c4 08 <0f> 0b e9 75 fd ff ff 48 c7 c1 88 ab 98 8e 80 e1 07 80 c1 03 38 c1 RSP: 0018:ffffc900042afd40 EFLAGS: 00010292 RAX: 083997afe1a51c00 RBX: ffffffff8b0a8d00 RCX: ffff88802212bb80 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc900042afe10 R08: ffffffff8152d442 R09: 1ffff92000855f20 R10: dffffc0000000000 R11: fffff52000855f21 R12: 0000000000000000 R13: ffff8880715bea70 R14: 1ffff92000855fb0 R15: dffffc0000000000 FS: 00007f472f84f6c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4737a71000 CR3: 000000002634e000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> inode_unlock include/linux/fs.h:776 [inline] done_path_create fs/namei.c:3937 [inline] do_symlinkat+0x25e/0x610 fs/namei.c:4505 __do_sys_symlink fs/namei.c:4524 [inline] __se_sys_symlink fs/namei.c:4522 [inline] __x64_sys_symlink+0x7e/0x90 fs/namei.c:4522 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: 0033:0x7f4737ab3d89 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 18 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f472f84f218 EFLAGS: 00000246 ORIG_RAX: 0000000000000058 RAX: ffffffffffffffda RBX: 00007f4737b5b6d8 RCX: 00007f4737ab3d89 RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000020000540 RBP: 00007f4737b5b6d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4737b27954 R13: 00007f4737b27850 R14: 0031656c69662f2e R15: 0030656c69662f2e </TASK> --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@xxxxxxxxxxxxxxxx. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. If the bug is already fixed, let syzbot know by replying with: #syz fix: exact-commit-title If you want syzbot to run the reproducer, reply with: #syz test: git://repo/address.git branch-or-commit-hash If you attach or paste a git patch, syzbot will apply it before testing. If you want to overwrite bug's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the bug is a duplicate of another bug, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup
