syzbot


WARNING in vfs_setxattr

Status: upstream: reported on 2024/04/12 18:51
Reported-by: syzbot+0a6d97bf52d6fb2e9bbe@syzkaller.appspotmail.com
First crash: 63d, last: 1h32m
Similar bugs (3)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in vfs_setxattr fs 1 526d 522d 0/27 auto-obsoleted due to no activity on 2023/04/06 11:38
upstream WARNING in vfs_setxattr (2) fs 1 366d 362d 0/27 auto-obsoleted due to no activity on 2023/09/13 15:16
upstream WARNING in vfs_setxattr (3) fs 49 2d01h 59d 0/27 moderation: reported on 2024/04/17 05:51

Sample crash report:
------------[ cut here ]------------
DEBUG_RWSEMS_WARN_ON((rwsem_owner(sem) != current) && !rwsem_test_oflags(sem, RWSEM_NONSPINNABLE)): count = 0x0, magic = 0xffff8880516411f0, owner = 0x0, curr 0xffff88805bd11dc0, list empty
WARNING: CPU: 0 PID: 8731 at kernel/locking/rwsem.c:1372 __up_write kernel/locking/rwsem.c:1371 [inline]
WARNING: CPU: 0 PID: 8731 at kernel/locking/rwsem.c:1372 up_write+0x4f5/0x580 kernel/locking/rwsem.c:1626
Modules linked in:
CPU: 0 PID: 8731 Comm: syz-executor.2 Not tainted 6.1.93-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
RIP: 0010:__up_write kernel/locking/rwsem.c:1371 [inline]
RIP: 0010:up_write+0x4f5/0x580 kernel/locking/rwsem.c:1626
Code: 48 c7 c7 e0 f5 eb 8a 48 c7 c6 20 f8 eb 8a 48 8b 54 24 28 48 8b 4c 24 18 4d 89 e0 4c 8b 4c 24 30 53 e8 1f d7 e8 ff 48 83 c4 08 <0f> 0b e9 71 fd ff ff 48 c7 c1 e8 c6 73 8e 80 e1 07 80 c1 03 38 c1
RSP: 0018:ffffc900030ffa40 EFLAGS: 00010292
RAX: 305ece2fc5d08d00 RBX: ffffffff8aebf6c0 RCX: 0000000000040000
RDX: ffffc9000a409000 RSI: 000000000000bd2d RDI: 000000000000bd2e
RBP: ffffc900030ffb10 R08: ffffffff815292de R09: fffff5200061fea9
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: ffff8880516411f0 R14: 1ffff9200061ff50 R15: dffffc0000000000
FS:  00007f16484bd6c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2ea29000 CR3: 000000005e704000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 inode_unlock include/linux/fs.h:763 [inline]
 vfs_setxattr+0x22f/0x420 fs/xattr.c:311
 do_setxattr fs/xattr.c:594 [inline]
 setxattr+0x250/0x2b0 fs/xattr.c:617
 path_setxattr+0x1bc/0x2a0 fs/xattr.c:636
 __do_sys_lsetxattr fs/xattr.c:659 [inline]
 __se_sys_lsetxattr fs/xattr.c:655 [inline]
 __x64_sys_lsetxattr+0xb4/0xd0 fs/xattr.c:655
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f164767cea9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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:00007f16484bd0c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000bd
RAX: ffffffffffffffda RBX: 00007f16477b4050 RCX: 00007f164767cea9
RDX: 0000000020000000 RSI: 0000000020000040 RDI: 0000000020000140
RBP: 00007f16476ebff4 R08: 0000000000000000 R09: 0000000000000000
R10: 000000000000001c R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f16477b4050 R15: 00007ffc3ff2cd48
 </TASK>

Crashes (24):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/06/14 21:22 linux-6.1.y ae9f2a70d69e f429ab00 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in vfs_setxattr
2024/06/13 15:20 linux-6.1.y ae9f2a70d69e a9616ff5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in vfs_setxattr
2024/06/13 13:37 linux-6.1.y ae9f2a70d69e 2aa5052f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in vfs_setxattr
2024/06/13 13:20 linux-6.1.y ae9f2a70d69e 2aa5052f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in vfs_setxattr
2024/06/13 13:15 linux-6.1.y ae9f2a70d69e 2aa5052f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in vfs_setxattr
2024/06/02 04:26 linux-6.1.y 88690811da69 3113787f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in vfs_setxattr
2024/05/27 18:58 linux-6.1.y 88690811da69 761766e6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in vfs_setxattr
2024/05/27 17:28 linux-6.1.y 88690811da69 761766e6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in vfs_setxattr
2024/05/27 11:45 linux-6.1.y 88690811da69 761766e6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in vfs_setxattr
2024/05/27 01:54 linux-6.1.y 88690811da69 a10a183e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in vfs_setxattr
2024/05/24 05:21 linux-6.1.y 4078fa637fcd 8f98448e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in vfs_setxattr
2024/05/07 20:42 linux-6.1.y 909ba1f1b414 cb2dcc0e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in vfs_setxattr
2024/04/26 18:24 linux-6.1.y 6741e066ec76 059e9963 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in vfs_setxattr
2024/04/26 03:44 linux-6.1.y 6741e066ec76 8bdc0f22 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in vfs_setxattr
2024/04/24 10:54 linux-6.1.y 6741e066ec76 21339d7b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in vfs_setxattr
2024/04/16 22:16 linux-6.1.y cd5d98c0556c 18f6e127 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in vfs_setxattr
2024/04/13 19:11 linux-6.1.y cd5d98c0556c c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in vfs_setxattr
2024/06/15 14:42 linux-6.1.y ae9f2a70d69e f429ab00 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in vfs_setxattr
2024/06/10 20:58 linux-6.1.y 88690811da69 048c640a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in vfs_setxattr
2024/06/09 05:50 linux-6.1.y 88690811da69 82c05ab8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in vfs_setxattr
2024/05/31 14:48 linux-6.1.y 88690811da69 0c378259 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in vfs_setxattr
2024/05/27 17:45 linux-6.1.y 88690811da69 761766e6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in vfs_setxattr
2024/05/12 03:11 linux-6.1.y 909ba1f1b414 9026e142 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in vfs_setxattr
2024/04/12 18:51 linux-6.1.y bf1e3b1cb1e0 c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in vfs_setxattr
* Struck through repros no longer work on HEAD.