syzbot


BUG: stack guard page was hit in sys_lsetxattr

Status: closed as invalid on 2022/02/28 16:11
Reported-by: syzbot+9496b02bafbd40aff86c@syzkaller.appspotmail.com
Fix commit: 6f915dd2af92 ANDROID: incremental-fs: remove index and incomplete dir on umount
First crash: 1032d, last: 1032d
Cause bisection: failed (error log, bisect log)
  
Fix bisection the fix commit could be any of (bisect log):
  aa1346113c75 KVM: VMX: switch blocked_vcpu_on_cpu_lock to raw spinlock
  c2e39d5df028 HID: uhid: Fix worker destroying device without any protection
  
Similar bugs (1)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-5-10 BUG: stack guard page was hit in sys_lsetxattr (2) 2 993d 996d 2/2 fixed on 2022/05/12 07:47
Last patch testing requests (1)
Created Duration User Patch Repo Result
2022/01/26 17:25 12m tadeusz.struk@linaro.org https://android.googlesource.com/kernel/common fd4c6594f5ce OK

Sample crash report:
BUG: stack guard page was hit at ffffc90000b5fff8 (stack is ffffc90000b60000..ffffc90000b67fff)
kernel stack overflow (double-fault): 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 365 Comm: syz-executor564 Not tainted 5.10.93-syzkaller-01028-g0347b1658399 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:avc_has_perm_noaudit+0x85/0x4d0 security/selinux/avc.c:1150
Code: 85 48 c7 44 24 50 b0 ba 2b 82 48 8d 5c 24 40 48 c1 eb 03 42 c7 04 3b f1 f1 f1 f1 42 c7 44 3b 0b f3 f3 f3 f3 42 c6 44 3b 0f f3 <e8> 46 30 41 ff ba 38 00 00 00 48 8d 7c 24 60 31 f6 e8 15 27 7b ff
RSP: 0018:ffffc90000b60000 EFLAGS: 00010a02
RAX: 93ef4605529ecc00 RBX: 1ffff9200016c008 RCX: 0000000000000005
RDX: 0000000000000079 RSI: 0000000000000079 RDI: ffffffff86f29520
RBP: ffffc90000b60108 R08: 0000000000200000 R09: 0000000000000000
R10: 0000000000000002 R11: ffff88811ce20000 R12: 0000000000200000
R13: ffffffff86f29520 R14: 0000000000000079 R15: dffffc0000000000
FS:  000055555602e300(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc90000b5fff8 CR3: 00000001071b8000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 cred_has_capability+0x1b5/0x420 security/selinux/hooks.c:1619
 selinux_capable+0x39/0x50 security/selinux/hooks.c:2137
 security_capable+0x69/0xd0 security/security.c:748
 ns_capable_common kernel/capability.c:375 [inline]
 ns_capable+0x6f/0xe0 kernel/capability.c:396
 cap_inode_setxattr+0xbb/0xe0 security/commoncap.c:951
 selinux_inode_setxattr+0x1d4/0x10a0 security/selinux/hooks.c:3187
 security_inode_setxattr+0xce/0x180 security/security.c:1268
 __vfs_setxattr_locked+0x96/0x210 fs/xattr.c:258
 vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
 incfs_setxattr fs/incfs/vfs.c:1702 [inline]
 incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
 __vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
 __vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
 __vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
 vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
 incfs_setxattr fs/incfs/vfs.c:1702 [inline]
 incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
 __vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
 __vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
 __vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
 vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
 incfs_setxattr fs/incfs/vfs.c:1702 [inline]
 incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
 __vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
 __vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
 __vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
 vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
 incfs_setxattr fs/incfs/vfs.c:1702 [inline]
 incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
 __vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
 __vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
 __vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
 vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
 incfs_setxattr fs/incfs/vfs.c:1702 [inline]
 incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
 __vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
 __vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
 __vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
 vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
 incfs_setxattr fs/incfs/vfs.c:1702 [inline]
 incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
 __vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
 __vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
 __vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
 vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
 incfs_setxattr fs/incfs/vfs.c:1702 [inline]
 incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
 __vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
 __vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
 __vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
 vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
 incfs_setxattr fs/incfs/vfs.c:1702 [inline]
 incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
 __vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
 __vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
 __vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
 vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
 incfs_setxattr fs/incfs/vfs.c:1702 [inline]
 incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
 __vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
 __vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
 __vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
 vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
 incfs_setxattr fs/incfs/vfs.c:1702 [inline]
 incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
 __vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
 __vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
 __vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
 vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
 incfs_setxattr fs/incfs/vfs.c:1702 [inline]
 incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
 __vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
 __vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
 __vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
 vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
 incfs_setxattr fs/incfs/vfs.c:1702 [inline]
 incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
 __vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
 __vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
 __vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
 vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
 incfs_setxattr fs/incfs/vfs.c:1702 [inline]
 incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
 __vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
 __vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
 __vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
 vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
 incfs_setxattr fs/incfs/vfs.c:1702 [inline]
 incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
 __vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
 __vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
 __vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
 vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
 incfs_setxattr fs/incfs/vfs.c:1702 [inline]
 incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
 __vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
 __vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
 __vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
 vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
 incfs_setxattr fs/incfs/vfs.c:1702 [inline]
 incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
 __vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
 __vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
 __vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
 vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
 incfs_setxattr fs/incfs/vfs.c:1702 [inline]
 incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
 __vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
 __vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
 __vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
 vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
 incfs_setxattr fs/incfs/vfs.c:1702 [inline]
 incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
 __vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
 __vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
 __vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
 vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
 incfs_setxattr fs/incfs/vfs.c:1702 [inline]
 incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
 __vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
 __vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
 __vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
 vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
 incfs_setxattr fs/incfs/vfs.c:1702 [inline]
 incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
 __vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
 __vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
 __vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
 vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
 incfs_setxattr fs/incfs/vfs.c:1702 [inline]
 incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
 __vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
 __vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
 __vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
 vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
 incfs_setxattr fs/incfs/vfs.c:1702 [inline]
 incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
 __vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
 __vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
 __vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
 vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
 incfs_setxattr fs/incfs/vfs.c:1702 [inline]
 incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
 __vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
 __vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
 __vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
 vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
 incfs_setxattr fs/incfs/vfs.c:1702 [inline]
 incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
 __vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
 __vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
 __vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
 vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
 incfs_setxattr fs/incfs/vfs.c:1702 [inline]
 incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
 __vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
 __vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
 __vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
 vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
 incfs_setxattr fs/incfs/vfs.c:1702 [inline]
 incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
 __vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
 __vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
 __vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
 vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
 incfs_setxattr fs/incfs/vfs.c:1702 [inline]
 incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
 __vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
 __vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
 __vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
 vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
 incfs_setxattr fs/incfs/vfs.c:1702 [inline]
 incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
 __vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
 __vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
 __vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
 vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
 incfs_setxattr fs/incfs/vfs.c:1702 [inline]
 incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
 __vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
 __vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
 __vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
 vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
 incfs_setxattr fs/incfs/vfs.c:1702 [inline]
 incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
 __vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
 __vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
 __vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
 vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
 incfs_setxattr fs/incfs/vfs.c:1702 [inline]
 incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
 __vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
 __vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
 __vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
 vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
 incfs_setxattr fs/incfs/vfs.c:1702 [inline]
 incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
 __vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
 __vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
 __vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
 vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
 incfs_setxattr fs/incfs/vfs.c:1702 [inline]
 incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
 __vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
 __vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
 __vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
 vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
 incfs_setxattr fs/incfs/vfs.c:1702 [inline]
 incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
 __vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
 __vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
 __vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
 vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
 incfs_setxattr fs/incfs/vfs.c:1702 [inline]
 incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
 __vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
 __vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
 __vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
 vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
 incfs_setxattr fs/incfs/vfs.c:1702 [inline]
 incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
 __vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
 __vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
 __vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
 vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
 incfs_setxattr fs/incfs/vfs.c:1702 [inline]
 incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
 __vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
 __vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
 __vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
 vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
 incfs_setxattr fs/incfs/vfs.c:1702 [inline]
 incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
 __vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
 __vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
 __vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
 vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
 incfs_setxattr fs/incfs/vfs.c:1702 [inline]
 incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
 __vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
 __vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
 __vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
 vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
 incfs_setxattr fs/incfs/vfs.c:1702 [inline]
 incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
 __vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
 __vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
 __vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
 vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
 incfs_setxattr fs/incfs/vfs.c:1702 [inline]
 incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
 __vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
 __vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
 __vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
 vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
 incfs_setxattr fs/incfs/vfs.c:1702 [inline]
 incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
 __vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
 __vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
 __vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
 vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
 incfs_setxattr fs/incfs/vfs.c:1702 [inline]
 incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
 __vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
 __vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
 __vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
 vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
 incfs_setxattr fs/incfs/vfs.c:1702 [inline]
 incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
 __vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
 __vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
 __vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
 vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
 incfs_setxattr fs/incfs/vfs.c:1702 [inline]
 incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
 __vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
 __vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
 __vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
 vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
 incfs_setxattr fs/incfs/vfs.c:1702 [inline]
 incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
 __vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
 __vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
 __vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
 vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
 incfs_setxattr fs/incfs/vfs.c:1702 [inline]
 incfs_handler_setxattr+0x101/0x330 fs/incfs/vfs.c:172
 __vfs_setxattr+0x3c6/0x420 fs/xattr.c:177
 __vfs_setxattr_noperm+0x11b/0x4e0 fs/xattr.c:208
 __vfs_setxattr_locked+0x1f9/0x210 fs/xattr.c:266
 vfs_setxattr+0x11e/0x2d0 fs/xattr.c:283
 setxattr+0x1ea/0x3f0 fs/xattr.c:548
 path_setxattr+0x164/0x240 fs/xattr.c:567
 __do_sys_lsetxattr fs/xattr.c:589 [inline]
 __se_sys_lsetxattr fs/xattr.c:585 [inline]
 __x64_sys_lsetxattr+0xc2/0xe0 fs/xattr.c:585
 do_syscall_64+0x31/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7ff3a6aa6089
Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 00 00 00 00 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 c0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffe5a896598 EFLAGS: 00000246 ORIG_RAX: 00000000000000bd
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3a6aa6089
RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000020000180
RBP: 00007ff3a6a6a070 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff3a6a6a100
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
Modules linked in:
---[ end trace 0910dfab201d7a5e ]---
RIP: 0010:avc_has_perm_noaudit+0x85/0x4d0 security/selinux/avc.c:1150
Code: 85 48 c7 44 24 50 b0 ba 2b 82 48 8d 5c 24 40 48 c1 eb 03 42 c7 04 3b f1 f1 f1 f1 42 c7 44 3b 0b f3 f3 f3 f3 42 c6 44 3b 0f f3 <e8> 46 30 41 ff ba 38 00 00 00 48 8d 7c 24 60 31 f6 e8 15 27 7b ff
RSP: 0018:ffffc90000b60000 EFLAGS: 00010a02
RAX: 93ef4605529ecc00 RBX: 1ffff9200016c008 RCX: 0000000000000005
RDX: 0000000000000079 RSI: 0000000000000079 RDI: ffffffff86f29520
RBP: ffffc90000b60108 R08: 0000000000200000 R09: 0000000000000000
R10: 0000000000000002 R11: ffff88811ce20000 R12: 0000000000200000
R13: ffffffff86f29520 R14: 0000000000000079 R15: dffffc0000000000
FS:  000055555602e300(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc90000b5fff8 CR3: 00000001071b8000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	85 48 c7             	test   %ecx,-0x39(%rax)
   3:	44 24 50             	rex.R and $0x50,%al
   6:	b0 ba                	mov    $0xba,%al
   8:	2b 82 48 8d 5c 24    	sub    0x245c8d48(%rdx),%eax
   e:	40                   	rex
   f:	48 c1 eb 03          	shr    $0x3,%rbx
  13:	42 c7 04 3b f1 f1 f1 	movl   $0xf1f1f1f1,(%rbx,%r15,1)
  1a:	f1
  1b:	42 c7 44 3b 0b f3 f3 	movl   $0xf3f3f3f3,0xb(%rbx,%r15,1)
  22:	f3 f3
  24:	42 c6 44 3b 0f f3    	movb   $0xf3,0xf(%rbx,%r15,1)
* 2a:	e8 46 30 41 ff       	callq  0xff413075 <-- trapping instruction
  2f:	ba 38 00 00 00       	mov    $0x38,%edx
  34:	48 8d 7c 24 60       	lea    0x60(%rsp),%rdi
  39:	31 f6                	xor    %esi,%esi
  3b:	e8 15 27 7b ff       	callq  0xff7b2755

Crashes (2):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2022/01/24 11:14 android12-5.10-lts 0347b1658399 214351e1 .config console log report syz C ci2-android-5-10 BUG: stack guard page was hit in sys_lsetxattr
2022/01/24 10:59 android12-5.10-lts 0347b1658399 214351e1 .config console log report info ci2-android-5-10 BUG: stack guard page was hit in sys_lsetxattr
* Struck through repros no longer work on HEAD.